id large_stringlengths 9 16 | title large_stringlengths 1 382 | abstract large_stringlengths 3 6.09k | publish_date date32 | update_date date32 | categories large listlengths 1 13 | authors large_stringlengths 3 62.8k |
|---|---|---|---|---|---|---|
nucl-th/9311001 | Thermo Field Dynamics for Quantum Fields with Continuous Mass Spectrum
applied to Nuclear Physics | Transport coefficients are obtained by incorporating a gauge principle into
thermo field dynamics of inhomogeneous systems. In contrast to previous
derivations, neither imaginary time arguments nor perturbation theory in powers
of a coupling constant are used in the calculation. Numerical values are
calculated for the ... | 1993-11-02 | 2009-09-25 | [
"nucl-th"
] | Peter A. Henning |
nucl-th/9310032 | In-medium relativistic kinetic theory and nucleon-meson systems | Within the $\sigma-\omega$ model of coupled nucleon-meson systems, a
generalized relativistic Lenard--Balescu--equation is presented resulting from
a relativistic random phase approximation (RRPA). This provides a systematic
derivation of relativistic transport equations in the frame of nonequilibrium
Green's function ... | 1993-10-29 | 2015-06-26 | [
"nucl-th"
] | K. Morawetz and D. Kremp (Universitaet Rostock) |
nucl-th/9310031 | Projected Linear Response Theory for Charge-Exchange Excitations and
Double Beta Decay | The projected random phase approximation (PRPA) for charge-exchange
excitations is derived from the time-dependent variational principle. Explicit
results for the unperturbed energies (including the self-energy corrections),
the PRPA matrices, and the transition matrix elements are presented. The effect
of the projecti... | 1993-10-28 | 2016-08-14 | [
"nucl-th"
] | F. Krmpoti\'c, A. Mariano, T.T.S. Kuo and K. Nakayama |
nucl-th/9310029 | Deep Inelastic Scattering of Polarized Electrons off Polarized $^3$HE:
Nuclear Effects and the Neutron Spin Structure Function | Nuclear effects in Deep Inelastic Scattering of polarized electrons off
polarized $^3$He are analyzed in terms of a spin dependent spectral function
taking into account $S'$ and $D$ waves in $^3$He, as well as Fermi motion and
binding effects. A simple and reliable equation relating the neutron and $^3$He
spin structur... | 1993-10-22 | 2009-09-25 | [
"nucl-th"
] | C. Ciofi degli Atti, E. Pace, G. Salme`, and S. Scopetta |
nucl-th/9310030 | Quasi-Two-Body Decays of Nonstrange Baryons | We examine the decays of nonstrange baryons to the final states $\Delta\pi$,
$N\rho$, $N\eta$, $N\eta^\prime$, $N\omega$, $N1/2^+(1440)\pi$, and
$\Delta3/2^+(1600)\pi$, in a relativized pair-creation($^3P_0$) model which has
been developed in a previous study of the $N\pi$ decays of the same baryon
states. As it is our... | 1993-10-22 | 2014-11-18 | [
"nucl-th",
"hep-ph"
] | Simon Capstick and Winston Roberts |
nucl-th/9310027 | Multinucleon Mechanisms in ($\gamma$,N) and ($\gamma$,NN) Reactions | The similarities in the experimental indications for multinucleon mechanisms
in $(\gamma,p)$ and $(e,e'p)$ processes are pointed out. For both types of
reactions, the substantial role of two-nucleon emission processes for
transitions to high excitation energies in the residual nucleus is stressed. A
microscopic model f... | 1993-10-21 | 2009-10-22 | [
"nucl-th"
] | J. Ryckebusch, L. Machenil, M. Vanderhaeghen, V. Van der Sluys and M.
Waroquier |
nucl-th/9310028 | An antiproton-proton partial wave analysis | Invited talk presented by the first author at the XIVth European Conference
of Few-Body Problems in Physics, Amsterdam, August 23-28, 1993 | 1993-10-21 | 2007-05-23 | [
"nucl-th"
] | R. Timmermans, Th.A. Rijken, and J.J. de Swart |
nucl-th/9310026 | Practical solution to the Monte Carlo sign problem: Realistic
calculations of 54Fe | We present a practical solution to the "sign problem" in the auxiliary field
Monte Carlo approach to the nuclear shell model. The method is based on
extrapolation from a continuous family of problem-free Hamiltonians. To
demonstrate the resultant ability to treat large shell-model problems, we
present results for 54Fe ... | 1993-10-19 | 2008-11-26 | [
"nucl-th",
"hep-lat"
] | Y. Alhassid, D.J. Dean, S.E. Koonin, G. Lang, and W.E. Ormand |
nucl-th/9310023 | Quasiparticle properties and the dynamics of high-density nuclear matter | The energy spectrum of nucleons in high-density nuclear matter is
investigated in the framework of relativistic meson-nucleon many-body theory,
employing the $1/N$ expansion method. The coupling of the nucleon with the
particle-hole excitations in the medium flattens the spectra in the vicinity of
the Fermi surface. Th... | 1993-10-18 | 2009-09-25 | [
"nucl-th"
] | Kazuhiro Tanaka |
nucl-th/9310025 | Coexistence of Regular Undamped Nuclear Dynamics with Intrinsic
Chaoticity | We study the conditions under which the nucleons inside a deformed nucleus
can undergo chaotic motion. To do this we perform self-consistent calculations
in semiclassical approximation utilizing a multipole-multipole interaction of
the Bohr-Mottelson type for quadrupole and octupole deformations. For the case
of harmon... | 1993-10-18 | 2009-10-22 | [
"nucl-th"
] | Wolfgang Bauer, Vladimir Zelevinsky, and Peter Schuck |
nucl-th/9310024 | Relations Between Isoscalar Charge Form Factors of Two- and
Three-Nucleon Systems | Theoretical predictions for the deuteron and the isoscalar trinucleon charge
form factors are compared. Correlations between them are found. Linear
relations hold for the position of the diffraction minimum and for the position
and height of the secondary maximum. The linear relation for the diffraction
minimum misses ... | 1993-10-18 | 2009-09-25 | [
"nucl-th"
] | H. Henning, J. Adam Jr., P.U. Sauer, and A. Stadler |
nucl-th/9310022 | Calculating Dilepton Rates from Monte Carlo Simulations of Parton
Production | To calculate dilepton rates in a Monte Carlo simulation of ultrarelativistic
heavy ion collisions, one usually scales the number of similar QCD processes by
a ratio of the corresponding differential probabilities. We derive the formula
for such a ratio especially for dilepton bremsstrahlung processes. We also
discuss t... | 1993-10-15 | 2009-10-22 | [
"nucl-th",
"hep-ph"
] | K. J. Eskola and Xin-Nian Wang |
nucl-th/9310021 | Minijet-associated Dilepton Production in Ultrarelativistic Heavy Ion
Collisions | Dilepton production associated with minijets is calculated in
ultrarelativistic heavy ion collisions using the first order approximation of
the dilepton fragmentation functions of quarks and gluons. The full QCD
evolution of the fragmentation functions is also studied. We find that the
dilepton pairs from the fragmenta... | 1993-10-15 | 2009-10-22 | [
"nucl-th",
"hep-ph"
] | K. J. Eskola and Xin-Nian Wang |
nucl-th/9310020 | Identical Bands in Superdeformed Nuclei: A Relativistic Description | Relativistic Mean Field Theory in the rotating frame is used to describe
superdeformed nuclei. Nuclear currents and the resulting spatial components of
the vector meson fields are fully taken into account. Identical bands in
neighboring Rare Earth nuclei are investigated and excellent agreement with
recent experimental... | 1993-10-15 | 2009-10-22 | [
"nucl-th"
] | J. K"onig and P. Ring (Physik-Department der Technischen Universit"at
M"unchen, D-8046 Garching, FRG) |
nucl-th/9310016 | Alpha Clustering and the stellar nucleosynthesis of carbon | The astrophysical S--factor and reaction rates for the triple--alpha process
are calculated in the direct--capture model. It is shown that the stellar
carbon production is extremely sensitive to small variations in the N--N
interaction. | 1993-10-14 | 2009-10-22 | [
"nucl-th"
] | H. Oberhummer, H. Krauss, K. Gr\"un, T. Rauscher, H. Abele, P. Mohr,
G. Staudt |
nucl-th/9310015 | Quasi-Elastic $d(\vec{p},\vec{n})2p$ Reaction and Spin Response
Functions of the Deuteron | We calculated response functions of the deuteron for charge exchange
processes, including the final state interaction between two protons. Using
them we evaluated the double differential cross section and polarization
observables of $d(\vec{p},\vec{n})2p$ by means of plane wave impulse
approximation with an optimal fac... | 1993-10-14 | 2011-08-12 | [
"nucl-th"
] | A.Itabashi, K.Aizawa and M.Ichimura (Institute of Physics, University
of Tokyo, Komaba) |
nucl-th/9310017 | Properties of $^{8}$Be and $^{12}$C deduced from the folding--potential
model | The $\alpha$--$\alpha$ differential cross sections are analyzed in the
optical model using a double--folded potential. With the knowledge of this
potential bound and resonance--state properties of $\alpha$--cluster states in
$^{8}$Be and $^{12}$C as well as astrophysical S--factors of
$^{4}$He($\alpha$,$\gamma$)$^{8}$B... | 1993-10-14 | 2016-09-08 | [
"nucl-th"
] | P. Mohr, H. Abele, V. K\"olle, G. Staudt, H. Oberhummer, H. Krauss |
nucl-th/9310019 | Simultaneous Microscopic Description of 16O(gamma,n) and 16O(gamma,p)
Including Delta Degrees of Freedom | The photonuclear reactions 16O(gamma,n)15O and 16O(gamma,p)15N are
simultaneously described within a coupled channels framework based on a
continuum shell model formulation. The inclusion of Delta(1232) isobar degrees
of freedom improves the description of the available data, however, complete
quantitative agreement is... | 1993-10-14 | 2009-01-23 | [
"nucl-th"
] | Thomas B. Bright and Stephen R. Cotanch |
nucl-th/9310018 | Compatibility of Correlation Dynamics of SU(N) Gauge Theories and Gauss
Law in Temporal Gauge | A constraint correlation dynamics up to 4-point Green's functions is proposed
for SU(N) gauge theories which reduces the N-body quantum field problem to the
two-body level. The resulting set of nonlinear coupled equations fulfills all
conservation laws including baryon number, linear and angular momenta as well
as the ... | 1993-10-14 | 2009-10-22 | [
"nucl-th",
"hep-ph"
] | S.J. Wang, W. Cassing, and M.H. Thoma |
nucl-th/9310012 | Asymmetry of the Missing Momentum Distribution in (e,e$'$p) Reactions
and Color Trnasparency | We suggest the measurement of the integrated asymmetry of teh missing
momentum distribution in (e,e$'$p)reactions to check color transparency effects
at intermediate momentum transfers. | 1993-10-13 | 2009-09-25 | [
"nucl-th"
] | A. Bianconi, S. Boffi and D.E. Kharzeev |
nucl-th/9310014 | Neutrino-Nucleus Reactions | Neutrino-nucleus reactions as applied to astrophysics are reviewed. | 1993-10-13 | 2010-12-28 | [
"nucl-th"
] | K.Kubodera & S.Nozawa |
nucl-th/9310011 | Long-Range Correlations in Closed Shell Nuclei | The effects of correlations on the bulk properties of nuclei are investigated
in large model spaces including up to 21 single-particle orbits. The evaluation
of the single-particle Green function is made feasible by means of the BAGEL
approximation. The spectral function for single-nucleon pick-up and removal is
invest... | 1993-10-13 | 2009-10-22 | [
"nucl-th"
] | H. M\"uther and L.D. Skouras |
nucl-th/9310013 | Convergence properties of the effective interaction | The convergence properties of two perturbative schemes to sum the so-called
folded diagrams are critically reviewed, with an emphasis on the intruder state
problem. The methods we study are the approaches of Kuo and co-workers and Lee
and Suzuki. The suitability of the two schemes for shell-model calculations are
discu... | 1993-10-13 | 2009-10-22 | [
"nucl-th"
] | Ellis, Engeland, Hjorth-Jensen, Holt and Osnes |
nucl-th/9310009 | Anomaly in the charge radii of Pb isotopes | The anomalous behaviour of the charge radii of the isotopic chain of Pb
nuclei has been studied in the relativistic mean field theory. It has been
shown that the relativistic mean field provides an excellent description of the
anomalous kink in the isotopic shifts about $^{208}$Pb. This contrasts strongly
from the Skyr... | 1993-10-11 | 2009-10-22 | [
"nucl-th"
] | M.M. Sharma, G.A. Lalazissis and P. Ring (Technical University Munich) |
nucl-th/9310010 | Shape-Independent Expansion for the $^3S_1-^3D_1$ Mixing Parameter | A low-energy shape-independent expansion is suggested for the function
$[tan(2\epsilon_{BB})/(2k^2)]$, where $\epsilon_{BB}$ is the Blatt-Biedenharn
mixing parameter for the $^3S_1 -$ $^3D_1$ channel. This expansion allows an
evaluation of the mixing parameter $\epsilon_{BB}$ from a knowledge of the
deuteron asymptotic... | 1993-10-11 | 2009-07-28 | [
"nucl-th"
] | Sadhan K. Adhikari, Lauro Tomio, J.P.B.C. DE Melo, and T. Frederico |
nucl-th/9310008 | The high-frequency finite-temperature quark dispersion relation | I calculate the dispersion relation for quarks of mass $m$ and momentum $k$
in a quark gluon plasma at temperature $T$, in the limit $m^2+k^2 \gg (gT)^2$,
where $g$ is the strong coupling constant. I find three contributions to the
dispersion relation: one that depends on $T$ but not $m$ or $k$, one that
depends on $m$... | 1993-10-07 | 2007-05-23 | [
"nucl-th",
"hep-ph"
] | David Seibert (Theory Division, CERN, CH-1211 Geneva 23, Switzerland) |
nucl-th/9310006 | In-medium relativistic kinetic theory and nucleon-meson systems | Within the $\sigma-\omega$ model of coupled nucleon-meson systems, a
generalized relativistic Lenard--Balescu--equation is presented resulting from
a relativistic random phase approximation (RRPA). This provides a systematic
derivation of relativistic transport equations in the frame of nonequilibrium
Green's function ... | 1993-10-05 | 2007-05-23 | [
"nucl-th"
] | Klaus Morawetz, Dietrich Kremp |
nucl-th/9310007 | The structure of the neutron deficient Sn isotopes | We calculate the spectra for the neutron deficient Sn isotopes with mass
numbers from A=102 to A=108, using standard many-body techniques. The G-matrix
used in the perturbative expansion was calculated using the Bonn potentials. A
good agreement with the available data is obtained. | 1993-10-05 | 2009-10-22 | [
"nucl-th"
] | A. Holt, T. Engeland, M. Hjorth-Jensen and E. Osnes |
nucl-th/9310005 | Nuclear Shadowing at Small x and Q^2 | Shadowing corrections to structure functions of heavy nuclei are calculated
at very low values of Bjorken-$x$ and at values of the momentum transfer
relevant to recent experiments. Good agreement is obtained with data from the
E665 Collaboration for Xe/D and Pb/D, and with the NMC data on Ca/D and C/D
structure functio... | 1993-10-05 | 2008-11-26 | [
"nucl-th",
"hep-ph"
] | W.Melnitchouk (U.Regensburg) and A.W.Thomas (U.Adelaide) |
nucl-th/9310004 | Spectroscopic Factors in $^{40}$Ca and $^{208}$Pb from $(e,e'p)$: Fully
Relativistic Analysis | We present results for spectroscopic factors of the outermost shells in
$^{40}$Ca and $^{208}$Pb, which have been derived from the comparison between
the available quasielastic ($e,e'p$) data from NIKHEF-K and the corresponding
calculated cross-sections obtained within a fully relativistic formalism. We
include exactly... | 1993-10-04 | 2009-09-25 | [
"nucl-th"
] | J.M. Udias, P. Sarriguren, E. Moya de Guerra, E. Garrido and J.A.
Caballero |
nucl-th/9310003 | Experimental Nuclear Masses and the Ground State of Cold Dense Matter | We study the consequences of recent progress in the experimental
determination of masses of neutron rich nuclei for our knowledge of the ground
state of cold dense matter. The most recent experimental data determine the
ground state of cold dense matter up to $ \rho \simeq 10^{11}~{\rm g~cm^{-3}}
$. The composition and... | 1993-10-04 | 2007-05-23 | [
"nucl-th",
"astro-ph"
] | Pawel HAENSEL and Bernard PICHON CNRS (Observatoire de Paris-Meudon) |
nucl-th/9310002 | General Behavior of Double Beta Decay Amplitudes in the Quasiparticle
Random Phase Approximation | Simple formulae for the $0^+\to 0^+$ double beta decay matrix elements, as a
function of the particle-particle strength $g^{pp}$, have been designed within
the quasiparticle random phase approximation. The $2\nu$ amplitude is a
bilinear function of $g^{pp}$, and all $0\nu$ moments behave as ratios of a
linear function ... | 1993-10-01 | 2016-08-16 | [
"nucl-th"
] | F. Krmpoti\'c |
nucl-th/9310001 | Manifestation of Infrared Instabilities in High-Energy Processes in
Nonabelian Gauge Theories | We show that a high frequency standing wave in SU(2) gauge theory is unstable
against decay into long wavelength modes. This provides a non-perturbative
mechanism for energy transfer from initial high momentum modes to final states
with low momentum excitations. The abelian case does not manifest such
instability. Our ... | 1993-10-01 | 2014-11-18 | [
"nucl-th",
"hep-ph",
"hep-th"
] | C. Gong, S. G. Matinyan, B. Mueller, and A. Trayanov |
nucl-th/9309027 | Shell model Monte Carlo calculations for Dy-170 | We present the first auxiliary field Monte Carlo calculations for a rare
earth nucleus, Dy-170. A pairing plus quadrupole Hamiltonian is used to
demonstrate the physical properties that can be studied in this region. We
calculate various static observables for both uncranked and cranked systems and
show how the shape d... | 1993-09-28 | 2016-09-08 | [
"nucl-th"
] | D. J. Dean, S. E. Koonin, G. H. Lang, P. B. Radha, and W. E. Ormand |
nucl-th/9309028 | Applications of a Global Nuclear-Structure Model to Studies of the
Heaviest Elements | We present some new results on heavy-element nuclear-structure properties
calculated on the basis of the finite-range droplet model and folded-Yukawa
single-particle potential. Specifically, we discuss calculations of nuclear
ground-state masses and microscopic corrections, $\alpha$-decay properties,
$\beta$-decay prop... | 1993-09-28 | 2007-05-23 | [
"nucl-th"
] | Peter M\"oller and J. Rayford Nix |
nucl-th/9309029 | NN Correlations and Relativistic Hartree Fock in Finite Nuclei | Two different approximation schemes for the self-consistent solution of the
relativistic Brueckner-Hartree-Fock equation for finite nuclei are discussed
using realistic One-Boson-Exchange potentials. In a first scheme, the effects
of correlations are deduced from a study of nuclear matter and parameterized in
terms of ... | 1993-09-28 | 2009-10-22 | [
"nucl-th"
] | R.Fritz and H. M\"uther |
nucl-th/9309025 | Combinatorial Study of Nuclear Level Density for Astrophysical
Applications | We present some results and remarks based on a combinatorial approach of the
evaluation of the nuclear level density. First, we show that it is possible to
extract some reliable information from the output of the program whose rough
data present a strong statistical fluctuation from bin to bin. This includes
smoothing ... | 1993-09-24 | 2007-05-23 | [
"nucl-th",
"astro-ph"
] | Bernard PICHON CNRS (Observatoire de Paris-Meudon) |
nucl-th/9309026 | Electromagnetic Currents and the Blankenbecler-Sugar Equation | The effective electromagnetic current density for a two-nucleon system that
is described by the Blankenbecler-Sugar equation is derived. In addition to the
single nucleon currents there are exchange currents of two different origins.
The first is the exchange current that is required to compensate for the
violation of ... | 1993-09-24 | 2009-10-22 | [
"nucl-th"
] | F. Coester and D.O. Riska |
nucl-th/9309024 | Microscopic description of the beta delayed deuteron emission from
\bbox{^6}He | The beta delayed deuteron emission from $^6$He is studied in a dynamical
microscopic cluster model. This model gives a reasonably good description for
all the subsystems of $^6$He and $^6$Li in a coherent way, without any free
parameter. The beta decay transition probability to the $^6$Li ground state is
underestimated... | 1993-09-22 | 2008-11-26 | [
"nucl-th"
] | Attila Csoto and Daniel Baye |
nucl-th/9309023 | Symmetry properties of SU3 vector coupling coefficients | A presentation of the problem of calculating the vector coupling coefficients
for $SU3 \supset SU2 \otimes U1$ is made, in the spirit of traditional
treatments of SU2 coupling. The coefficients are defined as the overlap matrix
element between product states and a coupled state with good SU3 quantum
numbers. A techniqu... | 1993-09-22 | 2007-05-23 | [
"nucl-th"
] | H. Thomas Williams (Washington and Lee University VA, USA) |
nucl-th/9309022 | Vector Color Transparency | Color transparency (CT) in high momentum transfer $(e,e' \vec p)$ reactions
is explored. The spin of the proton and photon are treated explicitly, hence
the name ``Vector CT". The Dirac distorted wave impulse approximation is used
as a starting point; then CT effects are embedded. A hadronic basis is used to
describe t... | 1993-09-20 | 2007-05-23 | [
"nucl-th"
] | W.R. Greenberg(2) and G.A. Miller(1), ((1)Department of Physics,
FM-15, University of Washington, Seattle, WA (2)Department of Physics,
University of Pennsylvania, Philadelphia, PA) |
nucl-th/9309021 | Neutron star properties from modern meson-exchange potential models | We calculate the total mass, radius, moment of inertia and surface
gravitational redshift for neutron stars using various equations of state. The
latter are derived from recent meson-exchange potential models, employing both
a relativistic and a non-relativistic Brueckner-Hartree-Fock approach. | 1993-09-17 | 2009-10-22 | [
"nucl-th"
] | Bao, Engvik, Hjorth-Jensen, Osnes and Oestgaard |
nucl-th/9309020 | Perturbation schemes for systems of nucleons and pions: The relationship
of covariant perturbation theory, the convolution integral and time-ordered
perturbation theory | This paper is the first in a series of three which attempt to resolve the
difficulties that have plagued the $NN-\pi NN$ problem for the past ten years.
Various theoretical inconsistencies in the current formulation have been
pointed out and this work aims to eliminate these inconsistencies and so, we
hope, produce agr... | 1993-09-17 | 2007-05-23 | [
"nucl-th",
"hep-ph"
] | D.R. Phillips and I.R. Afnan |
nucl-th/9309019 | Width of the $\Delta$ resonance in nuclei | In this work we evaluate the imaginary part of the isobar $\Delta$
self-energy $\Sigma_{\Delta}$ from the two-body absorption process
$\Delta+N\rightarrow 2N$. This contribution is calculated using a recently
developed non-relativistic scheme, which allows for an evaluation of the
self-energy with a basis of single-par... | 1993-09-16 | 2008-11-26 | [
"nucl-th"
] | M.Hjorth-Jensen, H.M\"uther, A.Polls |
nucl-th/9309017 | Fission Decay Rates Determined from a Quantal Transport Equation | The decay of a metastable system is described by extending Kramers' method to
the quantal regime. For temperatures above twice the crossover value we recover
the result known from applying Euclidean path integrals to solvable models. Our
derivation is not restricted to a linearly coupled heat bath of oscillators,
and t... | 1993-09-15 | 2009-10-22 | [
"nucl-th"
] | Helmut Hofmann, Gert-Ludwig Ingold, and Markus H. Thoma |
nucl-th/9309018 | Microscopic approach to collective motion | An overview of a microscopic framework based on the Hartree-Fock description
of the mean field is presented which, starting from an effective interaction
allows a description of collective motions. A study of the isotope shifts in
the Pb region illustrates the importance of the effective interactions and
points to thei... | 1993-09-15 | 2009-10-22 | [
"nucl-th"
] | P. Bonche, E. Chabanat, B.Q. Chen, J. Dobaczewski, H. Flocard, B.
Gall, P.H. Heenen, J. Meyer, N. Tajima, M.S. Weiss |
nucl-th/9309016 | Combinatorial nuclear level density by a Monte Carlo method | We present a new combinatorial method for the calculation of the nuclear
level density. It is based on a Monte Carlo technique, in order to avoid a
direct counting procedure which is generally impracticable for high-A nuclei.
The Monte Carlo simulation, making use of the Metropolis sampling scheme,
allows a computation... | 1993-09-14 | 2008-11-26 | [
"nucl-th"
] | N. Cerf |
nucl-th/9309015 | Nuclear Fragmentation and Its Parallels | A model for the fragmentation of a nucleus is developed. Parallels of the
description of this process with other areas are shown which include Feynman's
theory of the $\lambda$ transition in liquid Helium, Bose condensation, and
Markov process models used in stochastic networks and polymer physics. These
parallels are ... | 1993-09-13 | 2008-11-26 | [
"nucl-th"
] | K. Chase and A. Mekjian |
nucl-th/9309014 | First-Forbidden beta decay: Medium enhancement of the axial charge at
A=16 | Calculations are presented for four relatively strong first-forbidden $\beta$
decays in the region A=11-16 in order to study the very large
mesonic-exchange-current enhancement of the rank-zero components. The $\mu^-$
capture on $^{16}$O is considered on the same footing. The wave functions
utilized include up to 4$\hb... | 1993-09-10 | 2008-11-26 | [
"nucl-th"
] | E.K.Warburton, I.S.Towner, and B.A.Brown |
nucl-th/9309013 | Quantum fragmentation | Phenomenological and theoretical aspects of fragmentation for elementary
particles (resp. nuclei) are discussed. It is shown that some concepts of
classical fragmentation remain relevant in a microscopic framework, exhibiting
non-trivial properties of quantum relativistic field theory (resp. lattice
percolation). Email... | 1993-09-10 | 2007-05-23 | [
"nucl-th",
"hep-ph"
] | R. Peschanski |
nucl-th/9309012 | Nucleon polarization in three-body models of polarized \bbox{^6}Li | Just as $^3\roarrow{\rm He}$ can be approximately characterized as a
polarized neutron target, polarized \Li6D has been advocated as a good {\em
isoscalar} nuclear target for the extraction of the polarized gluon content of
the nucleon. The original argument rests upon a presumed ``alpha + deuteron''
picture of \Li6, w... | 1993-09-09 | 2014-11-18 | [
"nucl-th"
] | N.W. Schellingerhout, L.P. Kok, S.A. Coon, and R.M. Adam |
nucl-th/9309008 | Pairproduction in a semiclassical transport theory | In high-energy nucleon-nucleon-collisions large meson production rates are
observed. As an alternative to meson exchange models here we propose a
nonperturbative treatment of the quark-antiquark production from the mean field
of colliding nucleon bags. Source terms for particles and antiparticles are
developed in a sem... | 1993-09-08 | 2009-09-25 | [
"nucl-th"
] | S. Loh T.S. Biro U. Mosel |
nucl-th/9309011 | A combined mathematica--fortran program package for analytical
calculation of the matrix elements of the microscopic cluster model | We present a computer code that analytically evaluates the matrix elements of
the microscopic nuclear Hamiltonian and unity operator between Slater
determinants of displaced gaussian single particle orbits. Such matrix elements
appear in the generator coordinate model and the resonating group model
versions of the micr... | 1993-09-08 | 2009-10-22 | [
"nucl-th"
] | K. Varga |
nucl-th/9309007 | Roles of triaxiality and residual interaction in signature inversions of
A~130 odd-odd nuclei | Rotational bands with (neutron h_11/2)^1 (proton h_11/2)^1 configurations are
studied using a particle-rotor model in which a proton and a neutron
quasiparticles interacting through a zero-range force are coupled with a
triaxial rotor. It is shown for 124Cs that one can reproduce the signature
dependence of energy and ... | 1993-09-08 | 2009-10-22 | [
"nucl-th"
] | N. Tajima |
nucl-th/9309009 | Meson-Exchange Currents and the Strangeness Radius of 4he | Meson-exchange current contributions to the strangeness radius of $^4$He are
computed in the one-boson exchange approximation. It is found that these
contributions introduce a $\lapp$10\% correction to the one-body contribution.
They should not, therefore, hamper the extraction of the nucleon strangeness
radius from th... | 1993-09-08 | 2014-11-18 | [
"nucl-th",
"hep-ph"
] | M.J. Musolf and T.W. Donnelly |
nucl-th/9309010 | Two-body matrix elements of Pauli-projected excentric single-particle
orbits | We present explicit analytical formulae for two-body matrix elements between
Pauli-projected single-particle orbits generated by gaussians shifted from the
centre of a nuclear core, which is populated by nucleons occupying
harmonic-oscillator orbits. Such shifted gaussian orbits appear in the
generator-coordinate model... | 1993-09-08 | 2007-05-23 | [
"nucl-th"
] | K. Varga |
nucl-th/9309006 | Approximate Treatment of Hermitian Effective Interactions and a Bound on
the Error | The Hermitian effective interaction can be well-approximated by
(R+R^dagger)/2 if the eigenvalues of omega^dagger omega are small or
state-independent(degenerate), where R is the standard non-Hermitian effective
interaction and omega maps the model-space states onto the excluded space. An
error bound on this approximat... | 1993-09-08 | 2019-08-17 | [
"nucl-th"
] | R.Okamoto, K.Suzuki, P.J.Ellis, Jifa Hao, Zibang Li and T.T.S.Kuo |
nucl-th/9309005 | Hanbury-Brown--Twiss Analysis in a Solvable Model | The analysis of meson correlations by Hanbury-Brown--Twiss interferometry is
tested with a simple model of meson production by resonance decay. We derive
conditions which should be satisfied in order to relate the measured momentum
correlation to the classical source size. The Bose correlation effects are
apparent in b... | 1993-09-07 | 2008-11-26 | [
"nucl-th",
"hep-ph"
] | G.F. Bertsch, P. Danielewicz, and M. Herrmann |
nucl-th/9309003 | Local $^4$He--p potentials from RGM phase shifts | Phase shifts for $\alpha$ + nucleon scattering generated by a multichannel
RGM model of the five-nucleon system are subjected to iterative-perturbative
``mixed-case" inversion for energies below the reaction threshold. The
resulting phase-equivalent potentials are compared with local potentials
calculated from the inve... | 1993-09-06 | 2008-11-26 | [
"nucl-th"
] | S.G. Cooper, R.S. Mackintosh, A. Csoto, and R.G. Lovas |
nucl-th/9309004 | Relativistic description of electron scattering on the deuteron | Within a quasipotential framework a relativistic analysis is presented of the
deuteron current. Assuming that the singularities from the nucleon propagators
are important, a so-called equal time approximation of the current is
constructed. This is applied to both elastic and inelastic electron scattering.
As dynamical ... | 1993-09-06 | 2008-11-26 | [
"nucl-th"
] | E. Hummel and J. A. Tjon |
nucl-th/9309001 | Theory of Inclusive Scattering of Polarized Electrons by Polarized
$^{3}$He and the Neutron Form Factors | The theory of inclusive lepton scattering of polarized leptons by polarized J
= 1/2 hadrons is presented and the origin of different expressions for the
polarized nuclear response function appearing in the literature is explained.
The sensitivity of the longitudinal asymmetry upon the neutron form factors is
investigat... | 1993-09-03 | 2007-05-23 | [
"nucl-th"
] | C. Ciofi degli Atti, E. Pace and G. Salm\'e |
nucl-th/9309002 | Chaotic Scattering in Heavy--Ion Reactions | We discuss the relevance of chaotic scattering in heavy--ion reactions at
energies around the Coulomb barrier. A model in two and three dimensions which
takes into account rotational degrees of freedom is discussed both classically
and quantum-mechanically. The typical chaotic features found in this
description of heav... | 1993-09-03 | 2009-10-22 | [
"nucl-th"
] | M. Baldo, E.G. Lanza and A. Rapisarda |
nucl-th/9308022 | Nuclear Ground-State Masses and Deformations | We tabulate the atomic mass excesses and nuclear ground-state deformations of
8979 nuclei ranging from $^{16}$O to $A=339$. The calculations are based on the
finite-range droplet macroscopic model and the folded-Yukawa single-particle
microscopic model. Relative to our 1981 mass table the current results are
obtained w... | 1993-08-30 | 2009-10-22 | [
"nucl-th"
] | P. M\"oller, J. R. Nix, W. D. Myers, and W. J. Swiatecki |
nucl-th/9308020 | Self-Consistent Relativistic Calculation of Nucleon Mean Free Path | We present a fully self-consistent and relativistic calculation of the
nucleon mean free path in nuclear matter and finite nuclei. Starting from the
Bonn potential, the Dirac-Brueckner-Hartree-Fock results for nuclear matter are
parametrized in terms of an effective $\sigma$-$\omega$ Lagrangian suitable for
the relativ... | 1993-08-27 | 2011-07-19 | [
"nucl-th"
] | G. Q. Li, R. Machleidt, and Y. Z. Zhuo |
nucl-th/9308021 | Nuclear recoil measurements in Superheated Superconducting Granule
detectors | The response of Superheated Superconducting Granule (SSG) devices to nuclear
recoils has been explored by irradiating SSG detectors with a 70Me$\!$V neutron
beam. In the past we have tested Al SSG and more recently, measurements have
been performed with Sn and Zn detectors. The aim of the experiments was to test
the se... | 1993-08-27 | 2011-01-17 | [
"nucl-th"
] | K. Schmiemann, et al |
nucl-th/9308019 | On the Analytic Structure of the Quark Self-Energy in Nambu-Jona-
Lasinio Models | The self-energy of quarks is investigated for various models which are
inspired by the Nambu--Jona-Lasinio (NJL) model. Including, beyond the
Hartree-Fock approximation, terms up to second-order in the quark interaction,
the real and imaginary parts of scalar and vector components of the self-energy
are discussed. The ... | 1993-08-25 | 2009-10-22 | [
"nucl-th"
] | P.P. Domitrovich and H. M\"uther |
nucl-th/9308018 | Microscopic description of nuclei in the middle of the pf-shell by a
shell model calculation with G-matrix interaction | Energy levels and electromagnetic properties of with $N=28\sim 30$ nuclides
are studied in terms of a large-scale shell model calculation, which contains
no newly adjusted parameters. The Kuo-Brown $G$-matrix interaction is shown to
reproduce energy levels of 205 low-lying states of these nuclei. We evaluate
effective ... | 1993-08-23 | 2015-06-26 | [
"nucl-th"
] | Hitoshi Nakada, Takashi Sebe and Takaharu Otsuka |
nucl-th/9308017 | Effective Masses and Sizes of N(939), $\Delta\!\!\mbox{\boldmath(1232)}$
and N(1440) in Nuclear Medium | The effective masses and sizes of N(939), $\Delta(1232)$ and N(1440) in
nuclear medium are calculated for a model in which quarks are subjected to a
confinement force quenched by the scalar part of nuclear interactions. At the
nuclear matter density, the nucleon swells by 50\% relative to the free
nucleon. The masses o... | 1993-08-20 | 2007-05-23 | [
"nucl-th"
] | Hiroko Ichie, Arata Hatashigaki, Akira Suzuki, and Masahiro Kimura |
nucl-th/9308016 | Microscopic Calculation of in-Medium Proton-Proton Cross Sections | We derive in-medium PROTON-PROTON cross sections in a microscopic model based
upon the Bonn nucleon-nucleon potential and the Dirac-Brueckner approach for
nuclear matter. We demonstrate the difference between proton-proton and
neutron-proton cross sections and point out the need to distinguish carefully
between the two... | 1993-08-20 | 2008-11-26 | [
"nucl-th"
] | G. Q. Li and R. Machleidt (University of Idaho) |
nucl-th/9308015 | Bose-condensation through resonance decay | We show that a system described by an equation of state which contains a high
number of degrees of freedom (resonances) can create a considerable amount of
superfluid (condensed) pions through the decay of short-lived resonances, if
baryon number and entropy are large and the dense matter decouples from
chemical equili... | 1993-08-19 | 2009-10-22 | [
"nucl-th",
"hep-ph"
] | Udo Ornik, M. Pluemer and D. Strottman |
nucl-th/9308014 | A Gauge Invariant Unitary Theory for Pion Photoproduction | A covariant, unitary and gauge invariant theory for pion photoproduction on a
single nucleon is presented. To achieve gauge invariance at the operator level
one needs to include both the $\pi N$ and $\gamma\pi N$ thresholds. The final
amplitude can be written in terms of a distorted wave in the final $\pi N$
channel pr... | 1993-08-18 | 2007-05-23 | [
"nucl-th"
] | C. H. M. van Antwerpen and I. R. Afnan |
nucl-th/9308012 | Low-energy M1 and E3 excitations in the proton-rich Kr-Zr region | Low-energy intrinsic $K^\pi$=1$^+$, $0^-$, $1^-$, $2^-$, and $3^-$ states in
the even-even proton-rich Sr, Kr, and Zr nuclei are investigated using the
quasiparticle random phase approximation. In the Z$\simeq$N nuclei the
lowest-lying 1$^+$ states are found to carry unusually large $B(M1)$ strength.
It is demonstrated... | 1993-08-12 | 2009-10-22 | [
"nucl-th"
] | T. Nakatsukasa, K. Matsuyanagi, I. Hamamoto and W. Nazarewicz |
nucl-th/9308013 | Relativistic Microscopic Description of Proton-Nucleus Scattering at
Intermediate Energies | We study elastic proton-nucleus scattering at intermediate energies. The
nucleon-nucleus optical potential is derived from the Bonn nucleon-nucleon
potential and the Dirac-Brueckner approach for nuclear matter. Our
calculations, which do not contain any adjustable parameters, yield good
agreement with experiment. | 1993-08-12 | 2008-11-26 | [
"nucl-th"
] | G. Q. Li, R. Machleidt, R. Fritz, H. M\"uther, and Y. Z. Zhuo |
nucl-th/9308011 | How important is the three-nucleon force? | By calculating the contribution of the $\pi-\pi$ three-body force to the
three-nucleon binding energy in terms of the $\pi N$ amplitude using
perturbation theory, we are able to determine the contribution of the different
$\pi N$ partial waves to the three-nucleon force. The division of the $\pi N$
amplitude into a pol... | 1993-08-11 | 2008-11-26 | [
"nucl-th"
] | T-Y. Saito and I.R. Afnan |
nucl-th/9308009 | Variational Methods for Nuclear Systems with Dynamical Mesons | We derive a model Hamiltonian whose ground state expectation value of any
two-body operator coincides with that obtained with the Jastrow correlated wave
function of the many-body Fermi system. Using this Hamiltonian we show that the
variational principle can be extended to treat systems with dynamical mesons,
even if ... | 1993-08-06 | 2009-10-22 | [
"nucl-th"
] | R.Cenni and S.Fantoni |
nucl-th/9308010 | Pionic Bound States in Momentum Space | Bound states of the pion--nucleus system are investigated in momentum space
using a microscopic optical potential with inherent energy dependences and
nonlocalities arising from elementary potential models. The wave equation and
computational techniques are tested, shallow levels are calculated, and a
comparison is mad... | 1993-08-06 | 2007-05-23 | [
"nucl-th"
] | Dinghui H. Lu and Rubin H. Landau |
nucl-th/9308008 | Momentum-Dependent Mean Field Based Upon the Dirac-Brueckner Approach
for Nuclear Matter | A momentum-dependent mean field potential, suitable for application in the
transport-model description of nucleus-nucleus collisions, is derived in a
microscopic way. The derivation is based upon the Bonn meson-exchange model for
the nucleon-nucleon interaction and the Dirac-Brueckner approach for nuclear
matter. The p... | 1993-08-06 | 2008-11-26 | [
"nucl-th"
] | G. Q. Li and R. Machleidt (University of Idaho) |
nucl-th/9308007 | On the Relativistic Description of the Nucleus | We discuss a relativistic theory of the atomic nuclei in the framework of the
hamiltonian formalism and of the mesonic model of the nucleus. Attention is
paid to the translational invariance of the theory. Our approach is centered on
the concept of spectral amplitude, a function in the Dirac spinor space. We
derive a L... | 1993-08-05 | 2008-11-26 | [
"nucl-th"
] | R. Cenni, A. Molinari and G. Vagradov |
nucl-th/9308006 | Finite Volume Effect of Nucleons and the Formation of the Quark-Gluon
Plasma | We study a thermodynamically consistent implementation of the nucleon volume
in the mean field theory, and find that this volume has large consequences on
the properties of hadronic matter under extreme conditions such as in
astrophysical objects and high energy heavy-ion collisions. It is shown that we
can reproduce t... | 1993-08-04 | 2012-06-26 | [
"nucl-th",
"hep-ph"
] | Bo-Qiang Ma, Qi-Ren Zhang, D.H.Rischke, and W.Greiner |
nucl-th/9308005 | Inclusive scattering of electrons from nuclear matter in the few GeV
range | We study Final State Interaction effects (FSI) in inclusive electron
scattering of several GeV from nuclear matter. We consider separately the cases
of 'elastic' and 'inelastic' knockout of respectively a nucleon and a
non-nucleonic particle. For the former category FSI have been calculated, using
the first cumulant ap... | 1993-08-04 | 2009-10-22 | [
"nucl-th"
] | A.S. Rinat and M.F. Taragin |
nucl-th/9308004 | Nucleon Flow and Fragment Flow in Heavy Ion Reactions | The collective flow of nucleons and that of fragments in the 12C + 12C
reaction below 150 MeV/nucleon are calculated with the antisymmetrized version
of molecular dynamics combined with the statistical decay calculation. Density
dependent Gogny force is used as the effective interaction. The calculated
balance energy i... | 1993-08-03 | 2009-10-22 | [
"nucl-th"
] | Akira Ono, Hisashi Horiuchi and Toshiki Maruyama |
nucl-th/9308001 | Finite Temperature Many-Body Theory with the Lipkin Model | We have compared exact numerical results for the Lipkin model at finite
temperature with Hartree-Fock theory and with the results of including in
addition the ring diagrams. In the simplest version of the Lipkin model the
Hartree-Fock approach shows a ``phase transition" which is absent in the exact
results. For more r... | 1993-08-02 | 2009-10-22 | [
"nucl-th"
] | S.Y. Tsay Tzeng, P.J. Ellis, T.T.S. Kuo and E. Osnes |
nucl-th/9308003 | A Cloudy Bag Model for the S-D Wave $\Kbar-N$ System | The cloudy quark bag model is applied to the coupled ($\Kbar N$, $\Sigma
\pi$, $\Lambda \pi$) system for $S-D$ partial waves. Energy--dependent
separable potentials are derived, as are new numerical algorithms for solving
the coupled Lippmann-Schwinger equations. The parameters are fit to $K^-p$
scattering and reaction... | 1993-08-02 | 2009-10-22 | [
"nucl-th"
] | Guangliang He and Rubin. H. Landau |
nucl-th/9308002 | An Effective Lagrangian with Broken Scale and Chiral Symmetry Applied to
Nuclear Matter and Finite Nuclei | We study nuclear matter and finite nuclei with a chiral Lagrangian which
generalizes the linear $\sigma$ model and also accounts for the QCD trace
anomaly by means of terms which involve the $\sigma$ and $\vmg{\pi}$ fields as
well as the glueball field $\phi$. The form of the scale invariant term leading
to an omega me... | 1993-08-02 | 2009-10-22 | [
"nucl-th"
] | E.K. Heide, S. Rudaz and P.J. Ellis |
nucl-th/9307029 | K$^+$-nucleus quasielastic scattering | K$^+$--nucleus quasielastic cross sections measured for a laboratory kaon
beam momentum of 705 MeV/$c$ are presented for 3--momentum transfers of 300 and
500 MeV/$c$. The measured differential cross sections for C, Ca and Pb at 500
MeV/$c$ are used to deduce the effective number of nucleons participating in
the scatter... | 1993-07-30 | 2009-10-22 | [
"nucl-th"
] | C.M.Kormanyos, R.J.Peterson, J.R.Shepard, J.E.Wise, S.Bart,
R.E.Chrien, L.Lee, B.L.Clausen, J.Piekarewicz, M.B.Barakat, R.A.Michael, and
T. Kishimoto |
nucl-th/9307028 | Microscopic Calculation of in-Medium Nucleon-Nucleon Cross Ssections | We derive in-medium nucleon-nucleon (NN) cross sections in a microscopic
model. Our calculations are based upon the Bonn NN potential and the
Dirac-Brueckner approach for nuclear matter. We consider energies up to 300 MeV
(in the laboratory frame) and densities up to twice nuclear matter density. Our
results deviate su... | 1993-07-30 | 2008-11-26 | [
"nucl-th"
] | G. Q. Li and R. Machleidt (University of Idaho) |
nucl-th/9307026 | Analysis of the instantaneous Bethe-Salpeter equation for
\(q\bar{q}\)-bound-states | We investigate the structure of the instantaneous Bethe-Salpeter equation for
\(q\bar{q}\)-bound states in the general case of unequal quark masses and
develop a numerical scheme for the calculation of mass spectra and
Bethe-Salpeter amplitudes. In order to appreciate the merits of the various
competing models beyond t... | 1993-07-28 | 2009-10-22 | [
"nucl-th",
"hep-ph"
] | J.Resag, C.R.M\"unz, B.C.Metsch, H.R.Petry |
nucl-th/9307027 | A Bethe-Salpeter model for light mesons: spectra and decays | The spectra and electroweak decay properties of light mesons are analyzed
within the framework of the instantaneous Bethe-Salpeter equation. The
interaction kernel comprises alternative spin-structures for a parameterization
of confinement and a residual quark-antiquark interaction based on instanton
effects. It is sho... | 1993-07-28 | 2011-07-19 | [
"nucl-th",
"hep-ph"
] | C.R.M\"unz, J.Resag, B.C.Metsch, H.R.Petry |
nucl-th/9307025 | Perturbative Gluon Shadowing in Heavy Nuclei | We study how much gluon shadowing can be perturbatively generated through the
modified QCD evolution in heavy nuclei. The evolution of small-$x$ gluons is
investigated within the semiclassical approximation. The method of
characteristics is used to evaluate the shadowed distributions in low-$Q$ and
small-$x$ region. In... | 1993-07-26 | 2010-11-01 | [
"nucl-th",
"hep-ph"
] | K.J. Eskola, Jianwei Qiu and Xin-Nian Wang |
nucl-th/9307024 | Study of High Energy Heavy-Ion Collisions in a Relativistic BUU-Approach
with Momentum-Dependent Mean-Fields | We introduce momentum-dependent scalar and vector fields into the Lorentz
covariant relativistic BUU- (RBUU-) approach employing a polynomial ansatz for
the relativistic nucleon-nucleon interaction. The momentum-dependent
parametrizations are shown to be valid up to about 1 GeV/u for the empirical
proton-nucleus optica... | 1993-07-23 | 2015-06-26 | [
"nucl-th"
] | Tomoyuki Maruyama, Wolfgang Cassing, Ulrich Mosel, Stefan Teis and
Klaus Weber (Institut fuer Theoretische Physik, Universitaet Giessen, D-35392
Giessen, F. R. Germany) |
nucl-th/9307022 | Intermediate-Energy Semileptonic Probes of the Hadronic Neutral Current | The present and future prospects of intermediate-energy semileptonic neutral
current studies are reviewed. Possibilities for using neutrino and
parity-violating electron scattering from nucleons and nuclei to study hadron
structure and nuclear dynamics are emphasized, with particular attention paid
to probes of the nuc... | 1993-07-22 | 2009-10-22 | [
"nucl-th",
"hep-ph"
] | M. J. Musolf, T. W. Donnelly, J. Dubach, S. J. Pollock, S. Kowalski,
and E. J. Beise |
nucl-th/9307023 | Particle-drip lines from the Hartree-Fock-Bogoliubov theory with Skyrme
interaction | We calculate positions of one- and two-particle, proton and neutron drip
lines within the Hartree-Fock-Bogoliubov theory using Skyrme interaction. We
also determine an approximate $r$-process path defined as a line where the
neutron binding energy is equal to 2~MeV. A weakening of the nuclear shell
structure at drip li... | 1993-07-22 | 2008-11-26 | [
"nucl-th"
] | R. Smola\'nczuk and J. Dobaczewski |
nucl-th/9307021 | Classical mappings of the symplectic model and their application to the
theory of large-amplitude collective motion | We study the algebra Sp(n,R) of the symplectic model, in particular for the
cases n=1,2,3, in a new way. Starting from the Poisson-bracket realization we
derive a set of partial differential equations for the generators as functions
of classical canonical variables. We obtain a solution to these equations that
represen... | 1993-07-21 | 2008-11-26 | [
"nucl-th"
] | Abraham Klein and Niels R. Walet |
nucl-th/9307020 | Thermal phenomenology of hadrons from 200 AGeV S+S collisions | We develop a complete and consistent description for the hadron spectra from
heavy ion collisions in terms of a few collective variables, in particular
temperature, longitudinal and transverse flow. To achieve a meaningful
comparison with presently available data, we also include the resonance decays
into our picture. ... | 1993-07-20 | 2008-11-26 | [
"nucl-th"
] | Ekkard Schnedermann, Josef Sollfrank, and Ulrich Heinz |
nucl-th/9307019 | Study of the Three-Nucleon (e,e') Longitudinal Response Function with a
New Approach | A new method for studying the many-body response functions is elaborated and
first applied to the $^3$He longitudinal response. An integral transform of the
response function is calculated from the bound-state-type equations for several
versions of the N-N force. The equations are solved with the help of the
hyperspher... | 1993-07-17 | 2007-05-23 | [
"nucl-th"
] | V. Yu. Dobretsov, V. D. Efros and Bin Shao |
nucl-th/9307015 | The Skyrme model description of the spin-orbit force | We examine the derivation of the spin-orbit force from the Skyrme model. We
find substantial agreement with phenomenological potentials. We show that a
systematic and simultaneous treatment of all components of the kinetic energy
introduces a minus sign relative to previous calculations for the iso-spin
independent par... | 1993-07-14 | 2009-10-22 | [
"nucl-th"
] | R. D. Amado, Bin Shao and Niels R. Walet |
nucl-th/9307013 | Parity-Violating Electron Scattering from the Pion-Correlated
Relativistic Fermi Gas | Parity-violating quasielastic electron scattering is studied within the
context of the relativistic Fermi gas and its extensions to include the effects
of pionic correlations and meson-exchange currents. The work builds on previous
studies using the same model; here the part of the parity-violating asymmetry
that conta... | 1993-07-14 | 2009-10-22 | [
"nucl-th"
] | M.B. Barbaro, A. De Pace, T.W. Donnelly and A. Molinari |
nucl-th/9307016 | Inertial parameters of the Skyrmion-Skyrmion system with the product
ansatz | The kinetic energy of the Skyrmion-Skyrmion system is calculated in the
product ansatz. The energy is expanded in a set of rotationally invariant
quadratic functions of translational and iso-rotational velocities in the
product ansatz and all inertial parameters are evaluated. Most of the iso-spin
dependent parameters ... | 1993-07-14 | 2014-11-18 | [
"nucl-th"
] | Bin Shao, Niels R. Walet, and R. D. Amado |
nucl-th/9307017 | Masses of Multiquark Droplets | The mass formulae for finite lumps of strange quark matter with $u$, $d$ and
$s$ quarks, and non-strange quark matter consisting of $u$ and $d$ quarks are
derived in a non-relativistic potential model. The finite-size effects
comprising the surface, curvature and even, the Gauss curvature were
consistently obtained, wh... | 1993-07-14 | 2007-05-23 | [
"nucl-th"
] | L. Satpathy, P.K. Sahu and V.S. Uma Maheswari |
nucl-th/9307018 | Demonstration of the auxiliary-field Monte Carlo approach for sd-shell
nuclei | We apply the auxiliary-field Monte Carlo approach to the nuclear shell model
in the 1s-0d configuration space. The Hamiltonian was chosen to have isovector
pairing and isoscalar multipole-multipole interactions, and the calculations
were performed within the fixed-particle, canonical ensemble. The results
demonstrate t... | 1993-07-14 | 2008-11-26 | [
"nucl-th"
] | W. E. Ormand, D. J. Dean, C. W. Johnson, G. H. Lang, and S. E. Koonin |
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