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 |
|---|---|---|---|---|---|---|
hep-ph/9303318 | Supersymmetric Higgs Bosons: a Theoretical Introduction | After an introduction to the Higgs sector of supersymmetric extensions of the
Standard Model, recent results on radiative corrections to Higgs boson masses
and couplings are reviewed. The phenomenology of supersymmetric Higgs searches
at large hadron colliders and at a possible linear $\epem$ collider is also
described... | 1993-03-30 | 2007-05-23 | [
"hep-ph"
] | F. Zwirner |
hep-ph/9303316 | Extracting W Boson Couplings from the $e^{+}e^{-}$ Production of Four
Leptons | We consider the processes $e^{+}e^{-}\rightarrow \ell^{+} \ell^{\prime -}\nu
\bar{\nu}^{\prime}$, including all possible charged lepton combinations, with
regard to measuring parameters characterizing the $W$ boson. We calculate at
what level these processes can be used to measure anamolous triple-boson
vertice couplin... | 1993-03-30 | 2019-08-17 | [
"hep-ph"
] | P.Kalyniak, P.Madsen, N.Sinha, and R.Sinha |
hep-ph/9303317 | On the electroweak phase transition in the Minimal Supersymmetric
Standard Model | We study the finite-temperature effective potential of the Minimal
Supersymmetric Standard Model, in the limit of only one light Higgs boson.
Because of the large top Yukawa coupling, there can be significant differences
with respect to the Standard Model case: for given values of the Higgs and top
masses, little super... | 1993-03-30 | 2009-10-22 | [
"hep-ph"
] | J.R. Espinosa, M. Quiros and F. Zwirner |
hep-ph/9303312 | Saha and the Dyon | Meghnad Saha occupies a special role in the history of Indian science, having
been a pioneer in its organization already from the oppressive colonial period
and having left important legacies to post-colonial India like the Saha
Institute of Nuclear Physics. He is famous for his research in astrophysics,
and has also m... | 1993-03-29 | 2009-09-25 | [
"hep-ph",
"hep-th"
] | A.P. Balachandran |
hep-ph/9303313 | Axion Miniclusters and Bose Stars | Evolution of inhomogeneities in the axion field around the QCD epoch is
studied numerically, including for the first time important non-linear effects.
It is found that perturbations on scales corresponding to causally disconnected
regions at $T \sim 1 \, {\rm GeV}$ can lead to very dense axion clumps, with
present den... | 1993-03-29 | 2009-10-22 | [
"hep-ph",
"astro-ph",
"gr-qc"
] | Edward W. Kolb and Igor I. Tkachev |
hep-ph/9303311 | Critical Analysis of Baryon Masses and Sigma-Terms in Heavy Baryon
Chiral Perturbation Theory | We present an analysis of the octet baryon masses and the $\pi N$ and $KN$
$\sigma$--terms in the framework of heavy baryon chiral perturbation theory. At
next-to-leading order, ${\cal O}(q^3)$, knowledge of the baryon masses and
$\sigma_{\pi N}(0)$ allows to determine the three corresponding finite
low--energy constan... | 1993-03-29 | 2016-08-14 | [
"hep-ph",
"nucl-th"
] | V\'eronique Bernard, Norbert Kaiser and Ulf-G. Mei{\ss}ner |
hep-ph/9303310 | Determination of pseudo-Goldstone boson-photon coupling by the
differential time delay of pulsar signals | Pseudo-Goldstone bosons couple with photons through a P and T violating
interaction of the form ${\cal {L_I}}=g_{a\gamma \gamma}~ a F\tilde F$. Strong
magnetic fields in rotating compact stars induce a non-zero ${\vec E}\cdot{\vec
B}$ outside the stellar surface which acts as a source for the pseudo-scalar
field. Pulsa... | 1993-03-27 | 2010-11-01 | [
"hep-ph"
] | Subhendra Mohanty and S.N.Nayak |
hep-ph/9303309 | Complete On-Shell Renormalization Scheme for the Minimal Supersymmetric
Higgs Sector | Systematic on-shell renormalization programme is carried out for the Higgs
and gauge boson sectors of the Minimal Supersymmetric Standard Model. Complete
1-loop results for the 2- and 3-point Green's functions are explicitly given.
The Higgs boson masses and the cross sections for the neutral scalar production
in the $... | 1993-03-26 | 2009-10-22 | [
"hep-ph"
] | P.Chankowski, S.Pokorski and J.Rosiek |
hep-ph/9303305 | Progress in QCD Using Lattice Gauge Theory | Review of results from lattice QCD of relevance to standard-model
phenomenology, to appear in Annual Review of Nuclear and Particle Science. KEY
WORDS: hadron masses, quark mixing (CKM) matrix, weak matrix elements, strong
coupling constant. | 1993-03-25 | 2010-11-01 | [
"hep-ph",
"hep-lat"
] | Andreas S, Kronfeld and Paul B. Mackenzie |
hep-ph/9303306 | Nuclear Shadowing in a Parton Recombination Model | Deep inelastic structure functions $F_2^A(x)$ are investigated in a $Q^2$
rescaling model with parton recombination effects. We find that the model can
explain experimentally measured $F_2^A(x)$ structure functions reasonably well
in the wide Bjorken$-x$ range ($0.005<x<0.8$). In the very small $x$ region
($x<0.02$), r... | 1993-03-25 | 2008-11-26 | [
"hep-ph",
"nucl-th"
] | S. Kumano (U. Mainz and Indiana U.) |
hep-ph/9303307 | Flipped Angles and Phases: A Systematic Study | We discuss systematically the fermion mass and mixing matrices in a generic
\linebreak field-theoretical flipped $SU(5)$ model, with particular
applications to neutrino and baryon number-changing physics. We demonstrate
that the different quark flavour branching ratios in proton decay are related
to the Cabibbo-Kobayas... | 1993-03-25 | 2009-09-11 | [
"hep-ph"
] | J. Ellis, J. Lopez, D. Nanopoulos, and K. Olive |
hep-ph/9303308 | Inclusive particle production at HERA: Higher-order QCD corrections to
the resolved quasi-real photon contribution | We calculate in next-to-leading order inclusive cross sections of
single-particle production via resolved photons in $ep$ collisions at HERA.
Transverse-momentum and rapidity distributions are presented and the scale
dependence is studied. The results are compared with first experimental data
from the H1 Collaboration ... | 1993-03-25 | 2011-07-19 | [
"hep-ph"
] | F.M. Borzumati, B.A. Kniehl, G. Kramer |
hep-ph/9303303 | On the generality of certain predictions for quark mixing | The relations ${ {|V_{ub}|} \over {|V_{cb}|} } = \sqrt{ { m_u \over m_c } }$
and ${ {|V_{td}|} \over {|V_{ts}|} } = \sqrt{ { m_d \over m_s } }$ are
significant successes of some specific models for quark masses. We show that
these relations are more general, resulting from a much wider class of models.
Consequences of ... | 1993-03-24 | 2010-11-01 | [
"hep-ph"
] | Lawrence J. Hall and Andrija Ra\v{s}in |
hep-ph/9303298 | Electroweak Reactions in the Non-Perturbative Regime of QCD | In the first part of these lectures, I consider chiral perturbation theory in
the presence of matter fields. It allows to systematically work out the
consequences of the broken chiral symmetry of QCD. As examples, threshold pion
photo- and electroproduction and (spin-flip) nucleon Compton scattering are
considered. The... | 1993-03-24 | 2015-06-25 | [
"hep-ph",
"nucl-th"
] | Ulf-G. Mei{\ss}ner |
hep-ph/9303300 | Possible huge enhancement in the radiative decay of the weal W boson
into the charmed $D_{s} $ meson | We point out that the rare decay mode $W^{\pm} \rightarrow \gamma +
D^{\pm}_{s} $ could be spectacularly enhanced, with a branching ratio around
$10^{-6} $ which is three order of magnitude larger than previous predictions.
Its observation will determine the W boson mass with great accuracy, providing
additional high p... | 1993-03-24 | 2015-06-25 | [
"hep-ph"
] | Y. Y. Keum and X. Y. Pham |
hep-ph/9303302 | The Hunting of the MR Model | We consider experimental signatures of the standard model's minimal
supersymmetric extension with a continuous $U(1)_R$ symmetry (MR model). We
focus on the ability of existing and planned electron-positron colliders to
probe this model and to distinguish it from both the standard model and the
standard model's minimal... | 1993-03-24 | 2009-10-22 | [
"hep-ph"
] | Nuria Rius and Elizabeth H. Simmons |
hep-ph/9303299 | Determination of $Z'$ Gauge Couplings to Quarks and Leptons at Future
Hadron Colliders | We point out that at future hadron colliders the ratio of cross sections for
$pp\to Z'\to \ell^+\ell^-$ in two rapidity bins is a useful probe of the
relative couplings of the $Z'$ to $u$ and $d$ quarks. Combined with the
forward-backward asymmetry, the rare decay modes $Z'\to W \ell\nu_\ell$, and
three associated prod... | 1993-03-24 | 2009-09-17 | [
"hep-ph"
] | F. del Aguila, Mirjam Cvetic, and Paul Langacker |
hep-ph/9303297 | Detecting the Supersymmetric Higgs Bosons: An Overview and the Role of
$\gam\gam$ Collisions | I summarize the abilities of LEP-II, the SSC/LHC hadron colliders, and a
future high energy $\epem$ collider (NLC) to detect the Higgs bosons of the
Minimal Supersymmetric Model (MSSM). I then review the unique capabilities of a
back-scattered laser beam facility (BSLBF) at the NLC for detecting the heavier
neutral Hig... | 1993-03-24 | 2007-05-23 | [
"hep-ph"
] | J.F. Gunion |
hep-ph/9303296 | Supersymmetry and the Nelson-Barr Mechanism | One possible solution to the strong CP problem is that CP is an exact
symmetry, spontaneously broken at some scale. Some years ago, Nelson and Barr
suggested a mechanism for obtaining $\theta=0$ at tree level in this framework,
and showed that radiative corrections were small in some non-supersymmetric
models. Further ... | 1993-03-24 | 2010-11-01 | [
"hep-ph"
] | M. Dine, A. Kagan and R. G. Leigh |
hep-ph/9303301 | Flavor Democracy in Standard Models at High Energies | It is possible that the standard model (SM) is replaced around some
transition energy $\E_{tr}$ by a new, possibly Higgsless, ``flavor gauge
theory'' such that the Yukawa (running) parameters of SM at $E \sim \E_{tr}$
show up an (approximate) flavor democracy (FD). We investigate the latter
possibility by studying the ... | 1993-03-24 | 2010-11-01 | [
"hep-ph"
] | G. Cvetic and C.S. Kim |
hep-ph/9303304 | Precision Tests of the Standard Model | The implications of recent precision $Z$-pole, $W$ mass, and weak neutral
current data for testing the standard electroweak model, constraining the $t$
quark and Higgs masses, \alsz, and grand unification are discussed. A fit to
all data yields $\siz = 0.2328 \pm 0.0007$ (\msb) or $\sinn \equiv 1 -
\mw^2/\mz^2 = 0.2267... | 1993-03-24 | 2007-05-23 | [
"hep-ph"
] | Paul Langacker |
hep-ph/9303293 | Effects of scalar mixing in ${g}{g} \rightarrow \mbox{Higgs} \rightarrow
\ga\ga$ | We discuss the effects of mixing of scalars belonging to left-- and
right--chiral MSSM super--multiplets on the process ${g}{g}\rightarrow \hnl
\rightarrow \ga\ga$, which is a promising channel for the discovery of the
lightest CP--even MSSM Higgs boson at the LHC and the SSC. The effects of the
left--right scalar mixi... | 1993-03-23 | 2015-06-25 | [
"hep-ph"
] | Bjarte Kileng |
hep-ph/9303295 | Numerical Evolution of General Relativistic Voids | In this paper, we study the evolution of a relativistic, superhorizon-sized
void embedded in a Friedmann-Robertson-Walker universe. We numerically solve
the spherically symmetric general relativistic equations in comoving,
synchronous coordinates. Initially, the fluid inside the void is taken to be
homogeneous and none... | 1993-03-23 | 2009-10-22 | [
"hep-ph",
"astro-ph",
"gr-qc"
] | Sharon L. Vadas |
hep-ph/9303292 | Neutrino Interactions in Matter : | If a fermion is travelling through a medium, it can have matter-induced
magnetic and electric dipole moments. These contributions conserve chirality,
and can be non-vanishing even for a Majorana neutrino. Several implications for
neutrino physics are discussed. | 1993-03-23 | 2007-05-23 | [
"hep-ph"
] | Palash B Pal |
hep-ph/9303291 | One-Loop Analysis of the Electroweak Breaking in Supersymmetric Models
and the Fine-Tuning Problems | We examine the electroweak breaking mechanism in the minimal supersymmetric
standard model (MSSM) using the {\em complete} one-loop effective potential
$V_1$. First, we study what is the region of the whole MSSM parameter space
(i.e. $M_{1/2},m_o,\mu,...$) that leads to a succesful $SU(2)\times U(1)$
breaking with an a... | 1993-03-23 | 2008-11-26 | [
"hep-ph"
] | B. de Carlos and J.A. Casas |
hep-ph/9303294 | Angular and energy correlations in Higgs decay | We discuss how correlations among momenta of the decay products may yield
information about the CP-parity of the Higgs particle. These are correlations
of decay planes defined by the momenta of pairs of particles as well as
correlations between energy differences. Our study includes finite-width
effects. In the narrow-... | 1993-03-23 | 2010-11-01 | [
"hep-ph"
] | Arild Skjold and Per Osland |
hep-ph/9303287 | Sterile Neutrinos as Dark Matter | The simplest model that can accomodate a viable nonbaryonic dark matter
candidate is the standard electroweak theory with the addition of right-handed
or sterile neutrinos. We reexamine this model and find that the sterile
neutrinos can be either hot, warm, or cold dark matter. Since their only direct
coupling is to le... | 1993-03-22 | 2008-11-26 | [
"hep-ph",
"astro-ph"
] | Scott Dodelson and Lawrence M. Widrow |
hep-ph/9303290 | Exotic Fermions | I review the current limits on the mixing of ordinary and exotic fermions. | 1993-03-22 | 2007-05-23 | [
"hep-ph"
] | David London |
hep-ph/9303289 | Enhancing the heavy Higgs signal with jet-jet profile cuts | The jet-jet profile, or detailed manner, in which transverse energy and mass
are distributed around the jet-jet system resulting from the hadronic decay of
a $Z$ boson in the process Higgs$\to ZZ$ at a proton-proton collider energy of
$40\tev$ is carefully examined. Two observables are defined that can be used to
help ... | 1993-03-22 | 2009-10-22 | [
"hep-ph"
] | R. D. Field and P. A. Griffin |
hep-ph/9303288 | Reconstructing the Inflaton Potential---in Principle and in Practice | Generalizing the original work by Hodges and Blumenthal, we outline a
formalism which allows one, in principle, to reconstruct the potential of the
inflaton field from knowledge of the tensor gravitational wave spectrum or the
scalar density fluctuation spectrum, with special emphasis on the importance of
the tensor sp... | 1993-03-22 | 2009-10-22 | [
"hep-ph",
"astro-ph"
] | Edmund Copeland, Edward W. Kolb, Andrew R. Liddle, James E. Lidsey |
hep-ph/9303286 | Extraction of Coupling Information From $Z' \to jj$ | An analysis by the ATLAS Collaboration has recently shown, contrary to
popular belief, that a combination of strategic cuts, excellent mass
resolution, and detailed knowledge of the QCD backgrounds from direct
measurements can be used to extract a signal in the $Z' \to jj$ channel in
excess of $6\sigma$ for certain cla... | 1993-03-19 | 2009-10-22 | [
"hep-ph"
] | T.G. Rizzo |
hep-ph/9303283 | Ten Dimensional SO(10) G.U.T. Models with Dynamical Symmetry Breaking | We discuss the derivation of $SO(10)$ G.U.T. models from higher dimensional
theories with intermediate breaking scales. We then present models based on the
Coset Space Dimensional Reduction Scheme with intermediate symmetry breaking
induced by four fermion condensates. | 1993-03-19 | 2009-10-22 | [
"hep-ph"
] | B. E. Hanlon and G. C. Joshi |
hep-ph/9303285 | Post-COBE predictions for Inflationary Gravity Wave and Density
Perturbation spectra | We assess the relative contribution to the COBE - measured microwave
anisotropy arising both from relic gravity waves as well as primordial density
perturbations originating during inflation. We show that the gravity wave
contribution to the CMBR anisotropy depends sensitively upon $n$ -- the
primordial spectral index ... | 1993-03-19 | 2007-05-23 | [
"hep-ph"
] | Varun Sahni and Tarun Souradeep |
hep-ph/9303284 | The Anatomy of $\varepsilon'/\varepsilon$ Beyond Leading Logarithms with
Improved Hadronic Matrix Elements | We use the recently calculated two--loop anomalous dimensions of
current-current operators, QCD and electroweak penguin operators to construct
the effective Hamiltonian for $\Delta S=1$ transitions beyond the leading
logarithmic approximation. We solve the renormalization group equations and
give the numerical values o... | 1993-03-19 | 2010-11-01 | [
"hep-ph"
] | Andrzej J. Buras, Matthias Jamin, Markus E. Lautenbacher |
hep-ph/9303277 | Higgs-Boson Decay to Four Fermions Including a Single Top Quark Below $t
\bar t$ Threshold | The rare decay modes Higgs $\rightarrow$ four light fermions, and Higgs
$\rightarrow$ single top-quark + three light fermions for $m_t<M_H<2m_t$, are
presented, and phenomenologically interpreted. The angular correlation between
fermion planes is presented as a test of the spin and intrinsic parity of the
Higgs particl... | 1993-03-18 | 2009-10-22 | [
"hep-ph"
] | Heath Pois, Thomas J. Weiler, and Tzu Chiang Yuan |
hep-ph/9303282 | First Order Phase Transition in a Two Higgs-doublet Model with
$M_{h}>M_{W}$ | We study the 3d effective field theory of a weakly coupled two Higgs-doublet
scalar model at high temperature. Our model has three scalar quartic couplings
and an $O(4)$ symmetry which is spontaneously broken by a nonzero scalar field
$vev$ at zero temperature. Using high temperature perturbation theory,
renormalizatio... | 1993-03-18 | 2010-11-01 | [
"hep-ph"
] | Vidyut Jain and Aris Papadopoulos |
hep-ph/9303280 | Constraints on Supersymmetry due to b -> s \gamma : an Improved
Calculation | The calculation of the one-loop induced decay rate b -> s \gamma is improved
by including radiative corrections to the charged Higgs mass and to the
charged-Higgs-fermion-fermion vertex. It is shown how the radiative corrections
modify the excluded zone in the \tan\beta-m_A plane, imposed by the
non-observation of this... | 1993-03-18 | 2009-10-22 | [
"hep-ph"
] | Marco A. Diaz |
hep-ph/9303279 | Electroweak Corrections to the Supersymmetric Charged Higgs Fermionic
Decay | One-loop radiative corrections to the charged Higgs coupling to two fermions
and to the charged Higgs fermionic decay are studied. A renormalization scheme
is proposed including the definition of the parameter $\tan\beta$ through the
coupling of the CP-odd Higgs boson to a charged lepton pair. Loops including
top and b... | 1993-03-18 | 2009-08-12 | [
"hep-ph"
] | Marco A. Diaz |
hep-ph/9303278 | Schwinger-Dyson equations: Dynamical Chiral Symmetry Breaking and
Confinement | A representative but not exhaustive review of the Schwinger-Dyson equation
(SDE) approach to the nonperturbative study of QCD is presented. The main focus
is the SDE for the quark self energy but studies of the gluon propagator and
quark-gluon vertex are also discussed insofar as they are important to the
quark SDE. Th... | 1993-03-18 | 2007-05-23 | [
"hep-ph"
] | Craig D. Roberts |
hep-ph/9303281 | Emergence of Coherent Long Wavelength Oscillations After a Quench:
Application to QCD | To model the dynamics of the chiral order parameter in a far from equilibrium
phase transition, we consider quenching in the O(4) linear sigma model. We
argue, and present numerical evidence, that in the period immediately following
the quench long wavelength modes of the pion field are amplified. This results
in large... | 1993-03-18 | 2009-10-22 | [
"hep-ph",
"cond-mat",
"nucl-th"
] | Krishna Rajagopal and Frank Wilczek |
hep-ph/9303276 | Thermalisation of Longitudinal Gluons | In the usual real-time finite-temperature gauge theory both the physical and
the unphysical degrees of freedom are thermalised. We discuss the alternative
approach where only the physical transverse components of the gauge field have
bare thermal propagators, whereas the unphysical degrees of freedom are not
heated. We... | 1993-03-18 | 2009-10-22 | [
"hep-ph",
"hep-th"
] | P V Landshoff and A Rebhan |
hep-ph/9303272 | Twist-4 Matrix Elements of the Nucleon from Recent DIS Data at CERN and
SLAC | We analyse the recent precision measurements of the lepton-hadron deep
inelastic scattering at CERN and SLAC to extract model independent constraints
among the nucleon matrix elements of the twist-4 operators. We also study a
parameterization of these matrix elements and point out the possibility that
the matrix elemen... | 1993-03-17 | 2009-10-22 | [
"hep-ph",
"nucl-th"
] | S. Choi, T. Hatsuda, Y. Koike and Su H. Lee |
hep-ph/9303270 | $b \to s \gamma$ Decay and Supersymmetry | The inclusive radiative $B$-decay is a sensitive probe of new physics,
especially if related to the virtual exchange of a charged Higgs boson.
Supersymmetric models provide a particularly interesting example. In the limit
of exact supersymmetry, BR($b \to s\gamma$)~=~0, due to the vanishing of any
magnetic-moment trans... | 1993-03-17 | 2009-10-22 | [
"hep-ph"
] | R. Barbieri and G.F. Giudice |
hep-ph/9303273 | Perturbative QCD data are consistent with light gluinos | We discuss systematically the consistency of light gluinos with data on
perturbative QCD from deep inelastic scattering, quarkonia, jets at LEP, and
the total hadronic cross-section in ${e^+ e^-}$ annihilation on the $Z$ peak
and elsewhere. We demonstrate that, in addition to the well-known increase in
the value of $\a... | 1993-03-17 | 2009-09-11 | [
"hep-ph"
] | J. Ellis, D. Nanopoulos, and D. Ross |
hep-ph/9303275 | Leptonic Fritzsch Matrices and Neutrino Oscillations | It was recently shown by the authors that the Fritzsch ansatz for the quark
mass matrices prescribed at the supersymmetric grand unified scale is
compatible with a moderately heavy top quark ($m_t \simeq 120-150~GeV$). Here
we extend the ansatz to incorporate the charged leptons and the neutrinos. It
is found that the ... | 1993-03-17 | 2011-05-12 | [
"hep-ph"
] | K.S. Babu and Q. Shafi |
hep-ph/9303274 | Bottom-Up Approach to Uniefied Supergravity Models | A new approach is proposed to phenomenological study of a generic unified
supergravity model, which reduces to the minimal supersymmetric standard model.
The model is effectively parametrized in terms of five low energy observables.
In consequence, it is easy to investigate systematically the parameter space of
the mod... | 1993-03-17 | 2009-10-22 | [
"hep-ph"
] | M. Olechowski and S. Pokorski |
hep-ph/9303271 | The Chiral Soliton of the Nambu Jona-Lasinio Model with Vector and Axial
Vector Mesons | The self-consistent chiral soliton of the Nambu--Jona-Lasinio model including
the $\omega,\rho$ and $a_1$ (axial-) vector meson fields besides the chiral
angle is investigated. The resulting energy spectrum of the one particle Dirac
Hamiltonian is strongly distorted leading to a polarized Dirac sea which
carries the co... | 1993-03-17 | 2008-11-26 | [
"hep-ph"
] | U. Z\"uckert, R. Alkofer, H. Reinhardt and H. Weigel |
hep-ph/9303267 | W, Z and Higgs Scattering at SSC Energies | We examine the scattering of longitudinal $W$, $Z$ and Higgs bosons in the
Standard Model using the equivalent Goldstone-boson Lagrangian. Our
calculations include the full one-loop scattering matrix between the states
$W^+_LW^-_L$, $Z_LZ_L$ and $HH$ with no restrictions on the relative sizes of
$M_H$ and $\sqrt{s}$. I... | 1993-03-16 | 2007-05-23 | [
"hep-ph"
] | Suraj N. Gupta, James M. Johnson, and Wayne W. Repko |
hep-ph/9303269 | Finite temperature effective action and thermalization of perturbations | The effective action is computed for the \lphi--theory at finite temperature
for small perturbations about a constant background field, using a generalized
tadpole method. We find the complete effective action, including the real and
imaginary parts, to all orders in derivatives and to order ${\cal
O}(\lambda^2)$. We d... | 1993-03-16 | 2009-10-22 | [
"hep-ph"
] | Per Elmfors, Kari Enqvist, Iiro Vilja |
hep-ph/9303268 | Transverse Tau Polarization in Decays of the Top and Bottom Quarks in
the Weinberg Model of CP Non-conservation | We show that the transverse polarization asymmetry of the $\tau$-lepton in
the decay $t\rightarrow b \tau \nu$ is extremely sensitive to CP violating
phases arising from the charged Higgs exchange in the Weinberg model of CP
non-conservation. Qualitatively, the polarization asymmetries are enhanced over
rate or energy ... | 1993-03-16 | 2010-11-01 | [
"hep-ph"
] | D. Atwood G. Eilam A. Soni |
hep-ph/9303264 | Rotational covariance and light-front current matrix elements | Light-front current matrix elements for elastic scattering from hadrons with
spin~1 or greater must satisfy a nontrivial constraint associated with the
requirement of rotational covariance for the current operator. Using a model
$\rho$ meson as a prototype for hadronic quark models, this constraint and its
implications... | 1993-03-16 | 2010-11-19 | [
"hep-ph",
"nucl-th"
] | B. D. Keister |
hep-ph/9303265 | The Trace Anomaly in Chiral Dynamics: $\gamma \gamma \to \pi^0\pi^0$
Scattering | The trace anomaly term in the low energy chiral Lagrangian is established by
deriving a low energy theorem for $\gamma \gamma \rightarrow \pi^0\pi^0$
scattering. It contributes to $\sigma(\gamma \gamma \rightarrow \pi^0\pi^0)$ in
the same order as the previously computed pion loop contribution. The coherent
sum of the ... | 1993-03-16 | 2008-02-03 | [
"hep-ph"
] | Michael S. Chanowitz |
hep-ph/9303266 | Phenomenological constraints on the flavour asymmetry of the nucleon sea | We study the possible flavour asymmetry, $\bar{u} \neq \bar{d}$, of the light
quark sea distributions of the proton. We discuss the information that is at
present available from data on deep-inelastic lepton-nucleon scattering and
from Drell-Yan production on various nuclear targets. We show that the ratio of
dilepton ... | 1993-03-16 | 2011-07-19 | [
"hep-ph"
] | A.D. Martin, R.G. Roberts and W.J. Stirling |
hep-ph/9303262 | The Schwinger Model and Perturbative Charge Screening | \noindent The well-known exact solution of the massless Schwinger model can
be simply obtained by perturbing around a vacuum without the Dirac sea of
filled negative energy states. The unusual vacuum structure changes the sign of
the $i\epsilon$ prescription at the negative energy pole of the free fermion
propagator. C... | 1993-03-16 | 2008-02-03 | [
"hep-ph",
"hep-th"
] | Paul Hoyer |
hep-ph/9303263 | Lee-Quigg-Thacker Bounds for Higgs Boson Masses in a Two-Doublet Model | Upper bounds for neutral as well as charged Higgs boson masses in a
two-doublet model are obtained on the basis of tree unitarity conditions \`a la
Lee, Quigg and Thacker. A wide variety of scattering processes are considered
so extensively that our bounds are more restrictive than those obtained
previously for neutral... | 1993-03-16 | 2008-11-26 | [
"hep-ph"
] | S. Kanemura, T. Kubota, and E. Takasugi |
hep-ph/9303261 | Effective Field Theory for Plasmas at all Temperatures and Densities | The solution of the plasmon problem and the subsequent development of an
effective field theory approach to ultrarelativistic plasmas are reviewed. The
effective lagrangians that summarize collective effects in ultrarelativistic
quark-gluon and electron-photon plasmas are presented. A generalization that
describes an e... | 1993-03-15 | 2015-06-25 | [
"hep-ph"
] | Eric Braaten |
hep-ph/9303260 | Higgs Mass Bound in the Minimal Standard Model | A brief review of the role of the Higgs mechanism and the ensuing Higgs
particle in the Minimal Standard Model is given. Then the property of
triviality of the scalar sector in the Minimal Standard Model and the upper
bound on the Higgs mass that follows is discussed. It is emphasized that the
bound is obtained by limi... | 1993-03-15 | 2009-09-25 | [
"hep-ph",
"hep-lat"
] | Urs M. Heller |
hep-ph/9303259 | Systematic Analysis Method for Color Transparency Experiments | We introduce a data analysis procedure for color transparency experiments
which is considerably less model dependent than the transparency ratio method.
The new method is based on fitting the shape of the A dependence of the nuclear
cross section at fixed momentum transfer to determine the effective attenuation
cross s... | 1993-03-15 | 2008-11-26 | [
"hep-ph"
] | Pankaj Jain and John P. Ralston |
hep-ph/9303258 | Low Energy Theorems of Hidden Local Symmetries | We prove to all orders of the loop expansion the low energy theorems of
hidden local symmetries in four-dimensional nonlinear sigma models based on the
coset space $G/H$, with $G$ and $H$ being arbitrary compact groups. Although
the models are non-renormalizable, the proof is done in an analogous manner to
the renormal... | 1993-03-14 | 2017-02-01 | [
"hep-ph"
] | Masayasu Harada, Taichiro Kugo and Koichi Yamawaki |
hep-ph/9303256 | Resolution of the lambda Phi^4 Puzzle and a 2 Tev Higgs Boson | We argue that massless (lambda Phi^4)_4 is "trivial" without being entirely
trivial. It has a non-trivial effective potential which leads to spontaneous
symmetry breaking, but the particle excitations above the broken vacuum are
non-interacting. The key to this picture is the realization that the constant
background fi... | 1993-03-14 | 2008-02-03 | [
"hep-ph",
"hep-lat"
] | M. Consoli and P.M. Stevenson |
hep-ph/9303255 | CTEQ Parton Distributions and Flavor Dependence of Sea Quarks | This paper describes salient features of new sets of parton distributions
obtained by the CTEQ Collaboration based on a comprehensive QCD global analysis
of all available data. The accuracy of the new data on deep inelastic
scattering structure functions obtained by the very high statistics NMC and
CCFR experiments pro... | 1993-03-14 | 2009-10-22 | [
"hep-ph"
] | James Botts, Jorge G. Morfin, Joseph F. Owens, Jianwei Qiu, Wu-Ki Tung
and Harry Weerts |
hep-ph/9303257 | Proving the Low Energy Theorem of Hidden Local Symmetry | Based on the Ward-Takahashi identity for the BRS symmetry, we prove to all
orders of the loop expansion the low energy theorem of hidden local symmetry
for the vector mesons (KSRF (I) relation) in the $U(N)_{\rm L}$ $\times$
$U(N)_{\rm R}$ / $U(N)_{\rm V}$ nonlinear chiral Lagrangian. | 1993-03-14 | 2009-10-22 | [
"hep-ph"
] | Masayasu Harada, Taichiro Kugo and Koichi Yamawaki |
hep-ph/9303254 | Direct Channel Dominance in Goldstone Boson Scattering in the Resonance
Region | We consider the scattering of Goldstone bosons in the range of intermediate
energies, and in particular focus our attention on the scattering of pions in
the $\rho$-resonance region. The chiral perturbation series is obtained to
order $E^4$ from a chiral $SU(2)\times SU(2)$ invariant effective Lagrangian.
At order $E^4... | 1993-03-13 | 2007-05-23 | [
"hep-ph"
] | Silas R. Beane and Charles B. Chiu |
hep-ph/9303253 | The Search for the Dark Matter: WIMPs and MACHOs | Review talk presented at the Texas/PASCOS Symposium, Berkeley, CA, Dec 1992.
We review the status of experiments and ideas relevant for the detection of the
dark matter which is suspected to be the dominant constituent of the Universe.
Great progress is being made and the chances are non-negligible that one of the
many... | 1993-03-13 | 2009-10-22 | [
"hep-ph",
"astro-ph"
] | Kim Griest |
hep-ph/9303249 | Flavour Changing Neutral Currents, Weak-Scale Scalars and Rare Top
Decays | We examine the decays $t\rightarrow c\gamma$ and $c Z^0$ in the Standard
Model with an extra scalar doublet and no discrete symmetry preventing
tree-level flavour changing neutral currents. The Yukawa couplings of the new
scalars are assumed to be proportional to fermion masses, evading bounds on
FCNC's from the light ... | 1993-03-12 | 2009-10-22 | [
"hep-ph"
] | Michael Luke and Martin J. Savage |
hep-ph/9303252 | A Shadow Matter Universe | The cosmological and astrophysical implications of a shadow matter model
which could also have interesting experimental consequences are examined. The
model has identical microphysics for both the ordinary and shadow worlds but
requires a macroscopic asymmetry from nucleosynthesis constraints. It is
proposed that this ... | 1993-03-12 | 2007-05-23 | [
"hep-ph"
] | H. Lew |
hep-ph/9303250 | Domain Wall Formation In The Post-Inflationary Universe | We consider the evolution of the probability distribution $\pp (\chi ,\chib,
\t)$, associated with an inhomogeneous light scalar field $\chi$ in the
Robertson-Walker Universe, where the inhomogeneities are produced by quantum
fluctuations during an earlier inflationary epoch. For a specific choice of
scalar potential w... | 1993-03-12 | 2009-10-22 | [
"hep-ph",
"astro-ph"
] | Z.Lalak and S.Thomas |
hep-ph/9303251 | The weak electroweak phase transition | We present a detailed analysis of the phase transition in the standard model
at finite temperature. Using an improved perturbation theory, where plasma
masses are determined from a set of one-loop gap equations, we evaluate the
effective potential $V_{eff}(\varphi,T)$ in next-to-leading order, i.e.,
including terms cub... | 1993-03-12 | 2016-08-14 | [
"hep-ph"
] | W. Buchm\"uller, Z. Fodor T. Helbig, D. Walliser |
hep-ph/9303248 | Associated $J/\psi + \gamma$ production as a probe of the polarized
gluon distribution | Associated production of $J/\psi$ and a $\gamma$ has recently been proposed
as clean probe of the gluon distribution. The same mechanism can be used to
probe the polarized gluon content of the proton in polarized proton-proton
collisions. We study $J/\psi + \gamma$ production at both polarized fixed
target and polarize... | 1993-03-11 | 2009-10-22 | [
"hep-ph"
] | M. A. Doncheski and C. S. Kim |
hep-ph/9303247 | Determination of the reaction plane in ultrarelativistic nuclear
collisions | In the particles produced in a nuclear collision undergo collective flow, the
reaction plane can in principle be determined through a global event analysis.
We show here that collective flow can be identified by evaluating the reaction
plane independently in two separate rapidity intervals, and studying the
correlation... | 1993-03-11 | 2013-11-13 | [
"hep-ph"
] | Jean-Yves Ollitrault |
hep-ph/9303246 | Production of $\eta$ Mesons Near Threshold | It is argued that the strong energy dependence of the $p\, d \rightarrow
\,^{3\!}H\!e\, \eta$ cross section near threshold is due to a final state
interaction between the $\eta$ meson and the $^3$He nucleus. The large
scattering length that this implies is in accord with optical potential
predictions and is evidence fo... | 1993-03-11 | 2007-05-23 | [
"hep-ph",
"nucl-th"
] | Colin Wilkin |
hep-ph/9303242 | Peculiar Velocities and Microwave Background Anisotropopies from Cosmic
Strings | Using an analytic model we show that the predictions of the cosmic string
model for the peculiar velocities and the microwave background (MBR) anisotropy
depend on similar combinations of string evolution parameters. Normalizing from
the COBE detection of MBR anisotropy, and for certain reasonable values of
string netw... | 1993-03-11 | 2009-10-22 | [
"hep-ph",
"astro-ph"
] | L. Perivolaropoulos and T. Vachaspati |
hep-ph/9303241 | Flavor Changing Scalar Interactions | The smallness of fermion masses and mixing angles has recently been been
attributed to approximate global $U(1)$ symmetries, one for each fermion type.
The parameters associated with these symmetry breakings are estimated here
directly from observed masses and mixing angles. It turns out that although
flavor changing r... | 1993-03-11 | 2009-12-30 | [
"hep-ph"
] | Lawrence Hall and Steven Weinberg |
hep-ph/9303245 | NJL breaking of supersymmetric GUTs | We analyze the breakdown of SUSY GUTs driven by Nambu--Jona--Lasinio
condensates. Starting with the most general gauge invariant and pure
K\"ahlerian Lagrangian up to quartic order we solve the one loop gap equation
and determine the breaking direction. This is done for various classes of
groups and spectra of fundamen... | 1993-03-11 | 2009-10-22 | [
"hep-ph"
] | E. J. Chun and A. Lukas |
hep-ph/9303243 | Constraints from Nucleosynthesis and SN1987A on Majoron Emitting Double
Beta Decay | We examine whether observable majoron emission in double beta decay can be
compatible with the big-bang nucleosynthesis (NS) and the observed neutrino
flux from SN1987A. It is found that the NS upper bound on $^4$He abundance
implies that the majoron-neutrino Yukawa coupling constant $g\leq 9\times
10^{-6}$ and its max... | 1993-03-11 | 2009-12-30 | [
"hep-ph",
"astro-ph"
] | Sanghyeon Chang, Kiwoon Choi |
hep-ph/9303244 | The Weak Mixing Angle in String Theory and the Green-Schwarz Mechanism | Four-dimensional strings with the standard model gauge group $SU(3)\times
SU(2)\times U(1)$ give model-dependent predictions for the tree level weak
mixing-angle. In the presence of an extra pseudo-anomalous gauged- ${U(1)}_X$,
the value of the weak angle may be computed purely in terms of the charges of
the massless f... | 1993-03-11 | 2007-05-23 | [
"hep-ph",
"hep-th"
] | Luis E. Ibanez |
hep-ph/9303240 | Solar Neutrinos | The status of solar neutrino experiments and their implications for both
nonstandard astrophysics ({\it e.g.,} cool sun models) and nonstandard neutrino
properties ({\it e.g.,} MSW conversions) are discussed. Assuming that all of
the experiments are correct, the relative rates observed by Kamiokande and
Homestake are h... | 1993-03-10 | 2007-05-23 | [
"hep-ph"
] | Paul Langacker |
hep-ph/9303238 | Leptoquarks at $e\gamma$ Colliders | We consider single production of leptoquarks (LQ's) at $e\gamma$ colliders,
for two values of the centre-of-mass energy, $\sqrt{s}=500$ GeV and 1 TeV. LQ's
with masses essentially up to the kinematic limit can be seen, even for
couplings as weak as $O(10^{-3})$-$O(10^{-2})\alpha_{em}$. It is possible to
detect LQ's of ... | 1993-03-10 | 2009-10-22 | [
"hep-ph"
] | Helene Nadeau and David London |
hep-ph/9303239 | Gauge boson masses dominantly generated by Higgs-triplet contributions? | We discuss a model in which the Standard Model (SM) Higgs sector has been
extended by additional real and complex triplets. The $\rho\approx 1$
constraint is satisfied by restricting the potential to have an enlarged
$\hisym $ global symmetry. This is fine tuning, which leads to a decreased
predictability in next-to-le... | 1993-03-10 | 2009-10-22 | [
"hep-ph"
] | P. Bamert and Z. Kunszt |
hep-ph/9303232 | Fermions in Instanton Anti-Instanton Background | We consider the behaviour of fermions in the background of
instanton-anti\-instanton type configurations. Several different physics
problems, from the high energy electroweak interactions to the study of vacuum
structure of QCD and of large orders of perturbation theory are related to this
problem. The spectrum of the ... | 1993-03-09 | 2011-07-19 | [
"hep-ph"
] | Riccardo Guida and Kenichi Konishi |
hep-ph/9303235 | The Non-Trivial Phase of $\PHI ^4$-Theory in a Renormalisation Group
Invariant Approach | Massless $\phi^{4}$-theory is investigated in zero and four space-time
dimensions. Path-integral linearisation of the $\phi ^{4}$-interaction defines
an effective theory, which is investigated in a loop-expansion around the mean
field. In zero dimensions this expansion converges rapidly to the exact
potential obtained ... | 1993-03-09 | 2009-10-22 | [
"hep-ph"
] | K. Langfeld, L.v. Smekal, H. Reinhardt |
hep-ph/9303236 | $\order(\Gamma)$ Corrections to $W$ pair production in $e^+e^-$ and
$\gamma\gamma$ collisions | Several schemes to introduce finite width effects to reactions involving
unstable elementary particles are given and the differences between them are
investigated. The effects of the different schemes is investigated numerically
for $W$ pair production. In $e^+e^-\to W^+W^-$ we find that the effect of the
non-resonant ... | 1993-03-09 | 2009-10-22 | [
"hep-ph"
] | Andre Aeppli, Frank Cuypers and Geert Jan van Oldenborgh |
hep-ph/9303234 | Two-loop unitarity constraints on the Higgs boson coupling | We use the results of Maher {\em et al.\/} (preceding paper) to construct the
matrix of $j=0$ partial-wave two-body and $2\rightarrow3$ scattering amplitudes
for the scattering of longitudinally polarized gauge bosons $W_L^\pm$, $Z_L$
and Higgs bosons $H$ correct to two loops in the high-energy, heavy-Higgs limit
$\sqr... | 1993-03-09 | 2009-10-22 | [
"hep-ph"
] | Loyal Durand, Peter N. Maher, and Kurt Riesselmann |
hep-ph/9303233 | Two-loop renormalization constants and high energy $2\rightarrow 2$
scattering amplitudes in the Higgs sector of the standard model | We calculate the complete matrix of two-body scattering amplitudes for the
scattering of longitudinally polarized gauge bosons $W_L^\pm$, $Z_L$ and Higgs
bosons to two loops in the high-energy, heavy-Higgs limit $\sqrt{s}\gg M_H\gg
M_W$. Use of the Goldstone boson equivalence theorem reduces the problem to one
involvin... | 1993-03-09 | 2014-11-17 | [
"hep-ph"
] | Peter N. Maher, Loyal Durand, and Kurt Riesselmann |
hep-ph/9303237 | Computation of Mini-Jet Inclusive Cross Sections | We apply the theory of parton-parton total cross sections at large ``s", due
to Lipatov and collaborators, to compute the inclusive cross section for jets
which accompany a large ``s" parton scattering process. | 1993-03-09 | 2009-10-22 | [
"hep-ph"
] | Vittorio Del Duca, Michael E. Peskin and Wai-Keung Tang |
hep-ph/9303231 | Sparticle and Higgs Production and Detection at LEPII in two
Supergravity Models | We study the most promising signals for supersymmetry at LEPII in the context
of two well motivated supergravity models: (i) the minimal $SU(5)$ supergravity
model including the stringent constraints from proton stability and a not too
young Universe, and (ii) a recently proposed string-inspired no-scale flipped
$SU(5)... | 1993-03-08 | 2009-09-25 | [
"hep-ph"
] | J. Lopez, D. Nanopoulos, H. Pois, X. Wang, and A. Zichichi |
hep-ph/9303229 | g-modes and the Solar Neutrino Problem | We show that low-order g-modes with large enough amplitudes to affect
significantly the solar neutrino fluxes would produce surface velocities that
are $10^4$ times larger than the observed upper limits and hence are ruled out
by existing data. We also demonstrate that any large-amplitude, short-period
oscillations tha... | 1993-03-08 | 2009-10-22 | [
"hep-ph"
] | John N. Bahcall and Pawan Kumar |
hep-ph/9303230 | Dynamical Supersymmetry Breaking at Low Energies | Conventional approaches to supersymmetric model building suffer from several
naturalness problems: they do not explain the large hierarchy between the weak
scale and the Planck mass, and they require fine tuning to avoid large flavor
changing neutral currents and particle electric dipole moments. The existence
of model... | 1993-03-08 | 2009-10-22 | [
"hep-ph"
] | Michael Dine and Ann E. Nelson |
hep-ph/9303228 | The Emc Spin Crisis: Comparing Proton and Photon | The "kinematical" resolution of the $U_A(1)$ problem is proposed. The
cancellation of photonic and gluonic anomalies suggested by the t'Hooft
consistency principle naturally explains the zero singlet contributions to the
first moments of proton and photon spin structure functions. The new sum rule
for the photon spin s... | 1993-03-07 | 2007-05-23 | [
"hep-ph"
] | O.V. Teryaev |
hep-ph/9303227 | Gluon Condensates at Finite Baryon Densities and Temperature | We derive here the equation of state for quark matter with a nontrivial
vacuum structure in QCD at finite temperature and baryon density. Using
thermofield dynamics, the parameters of thermal vacuum and the gluon condensate
function are determined through minimisation of the thermodynamic potential,
along with a self-c... | 1993-03-06 | 2015-06-25 | [
"hep-ph"
] | A. Mishra H. Mishra and S.P. Misra |
hep-ph/9303226 | CP--odd Correlation in the Decay of Neutral Higgs Boson into $ZZ$,
$W^+W^-$, or $t{\bar t}$ | We investigate the possibility of detecting CP--odd angular correlations in
the various decay modes of the neutral Higgs boson including the modes of a
$ZZ$ pair, a $W^+W^-$ pair, or a heavy quark pair. It is a natural way to probe
the CP character of the Higgs boson once it is identified. Final state
interactions (i.e... | 1993-03-05 | 2009-09-01 | [
"hep-ph"
] | Darwin Chang, Wai-Yee Keung, and Ivan Phillips |
hep-ph/9303223 | $B_c$ Physics at Hadron Colliders | In this paper we summarize the results of the theory working group dedicated
to the analysis of $B_c$ production at hadron colliders. | 1993-03-04 | 2008-11-26 | [
"hep-ph"
] | A.K. Likhoded, S.R. Slabospitsky, M.Mangano and G.Nardulli |
hep-ph/9303218 | Valley Bifurcation in an $O(3)$ $\sigma$ Model: Implications for
High-Energy Baryon Number Violation | The valley method for computing the total high-energy anomalous cross section
$S_{anom}$ is the extension of the optical theorem to the case of
instanton-antiinstanton backgrounds. As a toy model for baryon number violation
in Electroweak theory, we consider a version of the $O(3)$ $\sigma$ model in
which the conformal... | 1993-03-04 | 2009-10-22 | [
"hep-ph"
] | Jeffrey M. Grandy and Michael P. Mattis |
hep-ph/9303219 | Mirror fermions and LEP precision data | The three generation mirror fermion model is compared with LEP precision and
low energy data. While for zero mixing of ordinary and mirror fermions the
model is not favoured, for non zero mixing very low $\chi ^2 $ fits have been
obtained, in particular when right handed leptonic mixings are small and left
handed lepto... | 1993-03-04 | 2009-09-17 | [
"hep-ph"
] | C. Cs\'aki and F. Csikor |
hep-ph/9303221 | The Breathing Mode in Extended Skyrme Model | We study an extended Skyrme model which includes fourth and sixth-order
terms. We explore some static properties like the $\Delta$-nucleon mass
splitting and investigate the Skyrmion breathing mode in the framework of the
linear response theory. We find that the monopole response function has a
pronounced peak located ... | 1993-03-04 | 2009-10-22 | [
"hep-ph"
] | Abdellatif Abada and Houari Merabet |
hep-ph/9303222 | Theory Review of CP Violations in B Decays at Hadron Colliders | CP violations in B meson decays at hadron colliders are reviewed. In
particular I examine: $B^0-\bar{B^0}$ mixing and oscillations within Standard
Model and the Cabibbo-Kobayashi-Maskawa picture for CP violations; $B^0$ decays
into CP eigenstates and the measurements of the angles in the unitarity
triangle; finally I c... | 1993-03-04 | 2010-11-01 | [
"hep-ph"
] | G.Nardulli |
hep-ph/9303224 | Unimagined Imaginary Parts in Heavy Quark Effective Field Theory | We argue that the imaginary parts of the anomalous dimensions in the
multiparticle sectors of heavy quark effective field theory may be removed by a
suitable redefinition of the multiparticle states. The connection between the
imaginary parts of the anomalous dimensions and the interquark potential is
pointed out | 1993-03-04 | 2010-11-01 | [
"hep-ph"
] | Wolfgang Kilian, Thomas Mannel, and Thorsten Ohl |
hep-ph/9303220 | QCD Sum Rules and B Decays | We review some recent applications of QCD sum rules to $B$-decays. These
include the determination of the leptonic constant $f_B$ and of the
semileptonic transition amplitudes of the $B$-meson into negative and positive
parity charmed states. | 1993-03-04 | 2007-05-23 | [
"hep-ph"
] | P.Colangelo, G.Nardulli and N.Paver |
hep-ph/9303225 | Rare and Radiative Kaon Decays | We review the status of theory and experiment of very rare and forbidden kaon
decays. We then review the radiative non-leptonic decays, and the associated
Dalitz pair modes. We pay particular attention to the study of long distance
physics in radiative decays within the framework of chiral perturbation theory
($\chi$PT... | 1993-03-04 | 2009-10-22 | [
"hep-ph"
] | L.Littenberg and G. Valencia |
hep-ph/9303211 | Baryons as solitons in Effective Chiral Quark - Meson Theory | The Nambu - Jona-Lasinio model in its SU(2) and SU(3) versions with scalar
and pseudoscalar coupling are applied to baryons. The parameters of the model
are fixed in the meson sector. The baryons arise as a soliton of three valence
quarks coupled to the Dirac sea (quark-antiquarks pairs). Within the SU(2)
version the n... | 1993-03-03 | 2007-05-23 | [
"hep-ph"
] | Chr.V.Christov, et al |
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