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/9207264 | Leptons masses in an $SU(3)_L\otimes U(1)_N$ Gauge Model | The $SU(3)_c\otimes SU(3)_L\otimes U(1)_N$ model of Pisano and Pleitez
extends the Standard Model in a particularly nice way, so that for example the
anomalies cancel only when the number of generations is divisible by three. The
original version of the model has some problems accounting for the lepton
masses. We resol... | 1992-07-27 | 2009-07-28 | [
"hep-ph"
] | R. Foot, O.F. Hernandez, F. Pisano and V. Pleitez |
hep-ph/9207260 | Color Confinement, Abelian Gauge and Renormalization Group Flow | Under the assumption that the color charge can be written in a BRST exact
form, the color confinement mechanism proposed by Kugo and Ojima (KO) explains
the confinement of any colored particles including dynamical quarks and gluons.
This mechanism, however, is known to break down in the Abelian gauge which
treats the m... | 1992-07-27 | 2009-10-22 | [
"hep-ph",
"hep-th"
] | H. Hata and I. Niigata |
hep-ph/9207262 | Comment on $\tau$ decay puzzle | We analize the current data on $\tau$-lepton decays and show that they are
consistent with the Standard Model | 1992-07-27 | 2014-11-17 | [
"hep-ph"
] | C. Escobar, O. L. G. Peres, V. Pleitez and R. Zukanovich Funchal |
hep-ph/9207261 | Indirect detection of unstable heavy dark matter | Unstable relics with lifetime longer than the age of the Universe could be
the dark matter today. Electrons, photons and neutrinos are a natural outcome
of their decay and could be searched for in cosmic rays and in $\gamma$-ray and
neutrino detectors. I compare the sensitivities of these three types of
searches to the... | 1992-07-27 | 2009-10-22 | [
"hep-ph"
] | P. Gondolo |
hep-ph/9207263 | Three generations mixing and the $\tau$ decay puzzle | We consider the possibility that the $\tau$ decay puzzle, if it is confirmed
in future experiments, is a consequence of the Kobayashi-Maskawa mixing in the
leptonic sector | 1992-07-27 | 2007-05-23 | [
"hep-ph"
] | C. Escobar, O.L.G. Peres, V. Pleitez and R. Zukanovich Funchal |
hep-ph/9207265 | Hard Scattering in QCD with Polarized Beams | I show that factorization for hard processes in QCD is also valid when the
detected particles are polarized, and that the proof of the theorem determines
the operator form for the parton densities. Particular attention is given to
the case of transversely polarized incoming hadrons. | 1992-07-27 | 2009-10-22 | [
"hep-ph"
] | John C. Collins |
hep-ph/9207258 | LEP1 vs. Future Colliders: Effective Operators And Extended Gauge Group | In an effective Lagrangian approach to physics beyond the Standard Model, it
has been argued that imposing $SU(2) \times U(1)$ invariance severely restricts
the discovery potential of future colliders. We exhibit a possible way out in
an extended gauge group context. | 1992-07-24 | 2009-10-22 | [
"hep-ph"
] | J.-M. Fr\`ere J.M. Moreno M. Tytgat J. Orloff |
hep-ph/9207259 | Spin Structure Functions | I review the spin dependent structure functions which control dominant
(twist-2) and sub-dominant (twist-3) phenomena in hard processes. Novel effects
associated with chirally odd parton distributions and with transverse
polarization are emphasized. | 1992-07-24 | 2007-05-23 | [
"hep-ph"
] | R. L. Jaffe (Center for Theoretical Physics, MIT) |
hep-ph/9207255 | Large Scale Structure by Global Monopoles and Cold Dark Matter | A cosmological model in which the primordial perturbations are provided by
global monopoles and in which the dark matter is cold has several interesting
features. The model is normalized by choosing its single parameter within the
bounds obtained from gravitational wave constraints and by demanding coherent
velocity f1... | 1992-07-23 | 2009-10-22 | [
"hep-ph"
] | Leandros Perivolaropoulos |
hep-ph/9207256 | Nontopological Global Field Dynamics | We use arguments based on Derrick's theorem to show that the property of
collapse which is the key feature of global texture appears in several field
theory models with broken global O(N) symmetry. Such models do not necessarily
have nontrivial third homotopy group of the vacuum manifold but may give rise
to collapsing... | 1992-07-23 | 2009-10-22 | [
"hep-ph"
] | Leandros Perivolaropoulos |
hep-ph/9207253 | New Constraints on Neutralino Dark Matter in the Supersymmetric Standard
Model | We investigate the prospects for neutralino dark matter within the
Supersymmetric Standard Model (SSM) including the constraints from universal
soft supersymmetry breaking and radiative breaking of the electroweak symmetry.
The latter is enforced by using the one-loop Higgs effective potential which
automatically gives... | 1992-07-22 | 2008-11-26 | [
"hep-ph"
] | S. Kelley, J. Lopez, D. Nanopoulos, H. Pois, and K. Yuan |
hep-ph/9207254 | Supersymmetry and Tau Decay | The impact of the new tau decay data on the various $\tau$ puzzles and on the
possibility of approximate supersymmetry is discussed. The most economical
solution of the problems in $\tau$ decay and that favored by recent new data
supports the existence of gluinos below one GeV. | 1992-07-22 | 2007-05-23 | [
"hep-ph"
] | L. Clavelli, P.H. Cox and Kajia Yuan |
hep-ph/9208241 | Solar Neutrinos with Three Flavor Mixings | The recent 71Ga solar neutrino observation is combined with the 37Cl and
Kamiokande-II observations in an analysis for neutrino masses and mixings. The
allowed parameter region is found for matter enhanced mixings among all three
neutrino flavors. Distortions of the solar neutrino spectrum unique to three
flavors are p... | 1992-07-21 | 2009-10-22 | [
"hep-ph"
] | D. Harley(1), TK Kuo(2) and J. Pantaleone |
hep-ph/9207252 | Renormalization Group Improvement of the Effective Potential in Massive
O(N) Symmetric $\phi^4$ Theory | The renormalization group is used to improve the effective potential of
massive ${\rm O}(N)$ symmetric $\phi^4$ theory. Explicit results are given at
the two-loop level. | 1992-07-21 | 2009-10-22 | [
"hep-ph"
] | Boris Kastening |
hep-ph/9207250 | Once more on $\theta$-vacua in $2+1$ dimensional QED and 3+1 dimensional
gluodynamics | Two different but tightly connected problems, $U(1)$ and strong CP violation
problems, are discussed in two different models which exhibit both asymptotic
freedom and confinement. One of them is the 3d Polyakov's model of compact QED
and the other is 4d gluodynamics. It is shown that although both these models
possess ... | 1992-07-21 | 2010-11-01 | [
"hep-ph"
] | A. Zhitnitsky |
hep-ph/9207251 | I=3/2 $K \pi$ Scattering in the Nonrelativisitic Quark Potential Model | We study $I=3/2$ elastic $K\pi $ scattering to Born order using
nonrelativistic quark wavefunctions in a constituent-exchange model. This
channel is ideal for the study of nonresonant meson-meson scattering amplitudes
since s-channel resonances do not contribute significantly. Standard quark
model parameters yield good... | 1992-07-21 | 2009-10-22 | [
"hep-ph"
] | T. Barnes, E.S. Swanson, and J. Weinstein |
hep-ph/9207247 | Inflation and Large Scale Structure Formation After COBE | The simplest realizations of the new inflationary scenario typically give
rise to primordial density fluctuations which deviate logarithmically from the
scale free Harrison - Zeldovich spectrum. We consider a number of such examples
and, in each case we normalize the amplitude of the fluctuations with the
recent COBE m... | 1992-07-20 | 2011-05-12 | [
"hep-ph"
] | R. K. Schaefer and Q. Shafi |
hep-ph/9207246 | Phase Structure of QED3 at Finite Temperature | Dynamical symmetry breaking in three-dimensional QED with N fermion flavours
is considered at finite temperature, in the large $N$ approximation. Using an
approximate treatment of the Schwinger-Dyson equation for the fermion
self-energy, we find that chiral symmetry is restored above a certain critical
temperature whic... | 1992-07-20 | 2016-09-01 | [
"hep-ph",
"hep-th"
] | I.J.R. Aitchison, N. Dorey, M. Klein-Kreisler and N.E. Mavromatos |
hep-ph/9207249 | Electroweak Corrections in Technicolor Reconsidered | Radiative corrections to electroweak parameters in technicolor theories may
be evaluated by one of two techniques: either one estimates spectral function
integrals using scaled QCD data, or one uses naive dimensional analysis with a
chiral Lagrangian. The former yields corrections to electroweak parameters
proportional... | 1992-07-20 | 2009-10-22 | [
"hep-ph",
"hep-lat"
] | R. Sekhar Chivukula, M. Dugan and M. Golden |
hep-ph/9207257 | Long-Wavelength Oscillations and the Gallex Solar Neutrino Signal | The recently reported solar neutrino signal in the $^{71}$Ga GALLEX detector
adds a new dimension to the solar neutrino puzzle, complementing the previously
known signals in $^{37}$Cl and water-Cherenkov detectors. Possible explanations
for this new signal in terms of matter-enhanced neutrino oscillations (MSW
effect) ... | 1992-07-20 | 2009-09-15 | [
"hep-ph"
] | V. Barger, R. J. N. Phillips and K. Whisnant |
hep-ph/9207248 | Flavour Democracy Calls for the Fourth Generation | It is argued with the help of an illustrative model, that the inter--species
hierarchy among the fermion masses and the quark mixing angles can be
accommodated naturally in the standard model with (approximate) flavor
democracy provided there are four families of sequential quark--leptons with
all members of the fourth... | 1992-07-20 | 2010-11-01 | [
"hep-ph"
] | Amitava Datta |
hep-ph/9207245 | Natural Inflation: Particle Physics Models, Power Law Spectra for Large
Scale Structure, and Constraints from COBE | A pseudo-Nambu-Goldstone boson, with a potential of the form $V(\phi) =
\Lambda^4[1 \pm \cos(\phi/f)], naturally gives rise to inflation if $f \sim
M_{Pl}$ and $\Lambda \sim M_{GUT}$. We show how this can arise in
technicolor-like and superstring models, and work out an explicit string
example in the context of multipl... | 1992-07-17 | 2010-11-30 | [
"hep-ph",
"astro-ph"
] | Fred Adams, J. R. Bond, Katherine Freese, Joshua Frieman, Angela
Olinto |
hep-ph/9207243 | COBE, Inflation, and Light Scalars | Comparison of theobservedanisotropy with that predicted iadiabaticDM models
suggest that much of thserved signal may be due to long wavelenh gravitational
waves. In inflationary models this requires the generation of tensor
fluctuations to be at least comparable to scalar density fltuations. This i is
feasible, but dep... | 1992-07-16 | 2007-05-23 | [
"hep-ph",
"astro-ph"
] | Lawrence M. Krauss |
hep-ph/9207244 | COBE's Constraints on the Global Monopole and Texture Theories of Cosmic
Structure Formation | We report on a calculation of large scale anisotropy in the cosmic microwave
background radiation in the global monopole and texture models for cosmic
structure formation. We have evolved the six component linear gravitational
field along with the monopole or texture scalar fields numerically in an
expanding universe a... | 1992-07-16 | 2009-10-22 | [
"hep-ph",
"astro-ph"
] | David P. Bennett and Sun Hong Rhie |
hep-ph/9207241 | Autonomous Renormalization of the One-Loop Effective Potential and a 2
Tev Higgs in SU(2)xU(1) | Branchina et al and Consoli have recently shown that the one-loop effective
potential (1LEP) of massless lambda-phi**4 theory can be renormalized in two
distinct ways. One of these is the conventional renormalization of Coleman and
Weinberg. The other requires an infinite wavefunction renormalization, and is
very simil... | 1992-07-15 | 2009-10-22 | [
"hep-ph"
] | R. Ibanez-Meier and P.M. Stevenson |
hep-ph/9207242 | Are There Oscillations in the Baryon/Meson Ratio? | All available data indicate a surplus of baryon states over meson states for
energies greater than about 1.5 GeV. Since hadron-scale string theory suggests
that their numbers should become equal with increasing energy, it has recently
been proposed that there must exist exotic mesons with masses just above 1.7
GeV in o... | 1992-07-15 | 2009-10-22 | [
"hep-ph",
"hep-th"
] | Jean-Rene Cudell and Keith R. Dienes |
hep-ph/9207240 | Squarks Below the Z | We investigate the possibility that the difference between the measurements
of $\alpha_3(M_Z)$ from the hadronic branching ratio of the $Z^0$ and the world
average of other measurements is due to the decay of the $Z^0$ into quark,
anti-squark, and gluino. Consequences for supersymmetry breaking models are
discussed. | 1992-07-15 | 2009-10-22 | [
"hep-ph"
] | L. Clavelli, P.W. Coulter, B. Fenyi, C. Hester, Peter Povinec, and
Kajia Yuan |
hep-ph/9207236 | The Rule of Discarding $1/N_c$ in Inclusive Weak Decays | We continue to investigate the effects of the (dominant) subleading operator
of the $\vec\sigma\vec H$ type in the $1/N_c$ parts of the weak nonleptonic
amplitudes. If the previous work concentrated on exclusive decays now we
analyse inclusive widths in a certain kinematic limit. Deviations from the
parton model predic... | 1992-07-14 | 2009-10-22 | [
"hep-ph"
] | B. Blok and M. Shifman |
hep-ph/9207237 | The prospects for CHORUS and NOMAD in the light of COBE and GALLEX | The most natural MSW neutrino oscillation interpretation of the GALLEX and
other solar neutrino data, which invokes $m_{\nu_\mu}\sim3\times10^{-3}\eV$,
and a general GUT see-saw hierarchy of neutrino masses,
$m_{\nu_{e,\mu,\tau}}\sim (m_{u,c,t})^2/M_U$, suggest that
$m_{\nu_\tau}\sim10\eV$ in agreement with the prefere... | 1992-07-14 | 2009-09-11 | [
"hep-ph"
] | J. Ellis, J. Lopez, and D. Nanopoulos |
hep-ph/9207238 | Quark confinement , topological susceptibility and all that in 4
dimensional gluodynamics | We discuss a few tightly connected problems, such as the $U(1)$ problem,
confinement, the $\theta$ -dependence within a framework of the dynamical toron
approach. We calculate two fundamental characteristics of the theory: the
vacuum expectation value (vev) of the Wilson loop and the topological
susceptibility. The ana... | 1992-07-14 | 2009-10-22 | [
"hep-ph",
"hep-th"
] | A. Zhitnitsky |
hep-ph/9207239 | Contribution of Long Wavelength Gravitational Waves to the CMB
Anisotropy | We present an in depth discussion of the production of gravitational waves
from an inflationary phase that could have occurred in the early universe,
giving derivations for the resulting spectrum and energy density. We also
consider the large-scale anisotropy in the cosmic microwave background
radiation coming from the... | 1992-07-14 | 2016-09-01 | [
"hep-ph",
"astro-ph"
] | Martin White |
hep-ph/9207235 | Meson Decay Constants from Isospin Mass Splittings in the Quark Model | Decay constants of $D$ and $B$ mesons are estimated within the framework of a
heavy-quark approach using measured isospin mass splittings in the $D$, $D^*$,
and $B$ states to isolate the electromagnetic hyperfine interaction between
quarks. The values $f_D = (262 \pm 29)$ MeV and $f_B = (160 \pm 17)$ MeV are
obtained. ... | 1992-07-11 | 2009-10-22 | [
"hep-ph"
] | J.F. Amundson, J.L. Rosner, M.A. Kelly, N. Horowitz and S.L. Stone |
hep-ph/9207233 | The Rare Decays $\piee$, $\etaee$ and \etamumu$ in Chiral Perturbation
Theory | We calculate the decay rates for $\piee$, $\etaee$ and $\etamumu$ in chiral
perturbation theory. The linear combination of counterterms necessary to render
these amplitudes finite is fixed by the recently measured branching fraction
for $\etamumu$. We find $\Br(\piee ) = 7\pm 1\times 10^{-8}$ and $\Br(\etaee
)=5\pm 1\t... | 1992-07-10 | 2009-10-22 | [
"hep-ph"
] | Martin J. Savage, Michael Luke, and Mark B. Wise |
hep-ph/9207234 | The Neutralino Relic Density in Minimal N=1 Supergravity | We compute the cosmic relic (dark matter) density of the lightest
supersymmetric particle (LSP) in the framework of minimal $N=1$ Supergravity
models with radiative breaking of the electroweak gauge symmetry. To this end,
we re--calculate the cross sections for all possible annihilation processes for
a general, mixed n... | 1992-07-10 | 2008-11-26 | [
"hep-ph"
] | M. Drees and M. M. Nojiri |
hep-ph/9207231 | Discrete Symmetries from Broken $SU(N)$ and the MSSM | In order that discrete symmetries should not be violated by gravitational
effects, it is necessary to gauge them. In this paper we discuss the gauging of
$\Z_N$ from the breaking of a high energy $SU(N)$ gauge symmetry, and derive
consistency conditions for the resulting discrete symmetry fr om the
requirement of anoma... | 1992-07-10 | 2009-10-22 | [
"hep-ph"
] | P.L.White |
hep-ph/9207232 | QCD Corrections to Photon Production in Association with Hadrons in
$e^+e^-$ Annihilation | A detailed investigation of the theoretical ambiguities present in the QCD
description of photon production in $e^+e^-$ annihilation is given. It is
pointed out that in a well-defined perturbative analysis it is necessary to
subtract the quark-photon collinear singularities. This subtraction requires
the introduction o... | 1992-07-10 | 2009-10-22 | [
"hep-ph"
] | Zoltan Kunszt and Zolt\'an Tr\'ocs\'anyi |
hep-ph/9207227 | The Electroweak Phase Transition in a Nonminimal Supersymmetric Model | We study the electroweak phase transition in a supersymmetric version of the
Standard Model, in which a gauge singlet superfield is added to the Higgs
sector. We show that the order of the transition is determined by the trilinear
soft supersymmetry breaking terms rather than by the $O ( m^{3} T )$ term in
the 1-loop, ... | 1992-07-09 | 2009-10-22 | [
"hep-ph"
] | M. Pietroni |
hep-ph/9207224 | On the Unmixed 17 keV Neutrino | Recently, it was suggested that the 17 keV neutrino does not mix with the
electron neutrino in the weak interactions. Instead, the $\beta$ decay mode
involving the 17 keV neutrino is induced by a completely new interaction,
presumably mediated by leptoquarks. A previous model for the ``unmixed 17 keV
neutrino" suffers ... | 1992-07-09 | 2009-10-22 | [
"hep-ph"
] | Miriam Leurer (Weizmann Institute) |
hep-ph/9207228 | QCD Perturbation Theory at Low Energies | We apply the optimization procedure based on the Principle of Minimal
Sensitivity to the third-order calculation of $\R$. The effective couplant
remains finite, freezing to a value $\alpha_s/\pi = 0.26$ at low energies.
Using Poggio-Quinn-Weinberg smearing we find good agreement between theory and
experiment right down... | 1992-07-09 | 2009-10-22 | [
"hep-ph"
] | A.C. Mattingly and P.M. Stevenson |
hep-ph/9207225 | Testing the Standard Model and Schemes for Quark Mass Matrices with CP
Asymmetries in B Decays | The values of $\sin (2 \alpha)$ and $\sin (2 \beta)$, where $\alpha$ and
$\beta$ are angles of the unitarity triangle, will be readily measured in a B
factory (and maybe also in hadron colliders). We study the standard model
constraints in the $\sin (2 \alpha) - \sin (2 \beta)$ plane. We use the results
from recent ana... | 1992-07-09 | 2010-11-01 | [
"hep-ph"
] | Yosef Nir and Uri Sarid |
hep-ph/9207230 | Invariants Describing Quark Mixing and Mass Matrices | We introduce two new sets of invariant functions of quark mass matrices,
which express the constraints on these mass matrices due to knowledge of the
quark mixing matrix. These invariants provide a very simple method to test
candidate forms for mass matrices. | 1992-07-09 | 2007-05-23 | [
"hep-ph"
] | Alexander Kusenko |
hep-ph/9207226 | Technicolor Enhancement of $t \bar{t}$ Production at TeV-Colliders | It is shown that a technicolor theory containing a color-octet technipion,
usually denoted by $P^{0'}_{8}$, will give rise to an enhancement of $t \bar t$
production at the Tevatron, LHC and SSC, via the process $gg \rightarrow
P^{0'}_{8} \rightarrow t \bar t$. The relevant cross-sections are computed
taking into accou... | 1992-07-09 | 2009-10-22 | [
"hep-ph"
] | Thomas Appelquist and George Triantaphyllou |
hep-ph/9207229 | The Effects of Detector Descoping and Neutral Boson Mixing on New Gauge
Boson Physics at the SSC | We examine how the abilities of an SDC-like detector to discover and identify
the origin of a new neutral gauge boson are affected by $Z_1-Z_2 $ mixing and
by variations in detector parameters such as lepton pair mass resolution,
particle identification efficiency, and rapidity coverage. Also examined is the
sensitivit... | 1992-07-09 | 2007-05-23 | [
"hep-ph"
] | J.L. Hewett and T.G. Rizzo |
hep-ph/9207223 | Heavy quark symmetry: ideas and applications | This report is a combined version of two talks presented by the authors at
the Edinburgh $b$-physics Workshop, December 1991. It presents the ideas of
heavy quark symmetry and gives an introduction to some applications. The
references indicate where to go for more information: they are not intended to
be complete, nor ... | 1992-07-08 | 2010-11-01 | [
"hep-ph"
] | J M Flynn and N Isgur |
hep-ph/9207222 | Two Photon Contribution to Polarization in $K^+ \rightarrow \pi^+ \mu^+
\mu^-$ | Short distance physics involving virtual top and charm quarks contributes to
$\mu^+$ (and $\mu^-$) polarization in the decay $K^+ \rightarrow \pi^+ \mu^+
\mu^-$. Measurement of the parity violating asymmetry $(\Gamma_R -
\Gamma_L)/(\Gamma_R + \Gamma_L)$, where $\Gamma_R$ and $\Gamma_L$ are the rates
to produce right an... | 1992-07-08 | 2010-11-01 | [
"hep-ph"
] | Ming Lu, Mark B. Wise, and Martin J. Savage |
hep-ph/9207221 | Sphaleron Erasure of Primordial Baryogenesis | If the present baryon-asymmetry is due to a Planck or GUT-scale matter
asymmetry then baryon- or lepton-number violating processes are constrained by
the condition that they do not subsequently erase this asymmetry. We present a
revision of the analysis of sphaleron baryon-number violating processes in the
standard mod... | 1992-07-08 | 2009-10-22 | [
"hep-ph"
] | Herbert Dreiner and Graham G. Ross |
hep-ph/9207218 | Some Simple Criteria for Gauged R-parity | We catalog some simple conditions which are sufficient to guarantee that
R-parity survives as an unbroken gauged discrete subgroup of the continuous
gauge symmetry in certain supersymmetric extensions of the standard model. | 1992-07-07 | 2009-12-30 | [
"hep-ph"
] | Stephen P. Martin |
hep-ph/9207219 | Troubles with the Minimal SU(5) Supergravity Model | We show that within the framework of the minimal $SU(5)$ supergravity model,
radiatively-induced electroweak symmetry breaking and presently available
experimental lower bounds on nucleon decay, impose severe constraints on the
available parameter space of the model which correspond to fine-tuning of the
model paramete... | 1992-07-07 | 2009-08-25 | [
"hep-ph"
] | J. Lopez, D. Nanopoulos, and A. Zichichi |
hep-ph/9207220 | KROWIG Version 1.0: Interfacing KRONOS and HERWIG or Higher Order
Electromagnetic Radiative Corrections at HERA with Hadronic Final States | This manual describes version 1.0 of the Monte Carlo event generator KROWIG
for deep inelastic lepton hadron scattering at HERA. KROWIG combines the
implementation of QED radiative corrections in KRONOS with the QCD parton
showers and cluster fragmentation of HERWIG. | 1992-07-07 | 2007-05-23 | [
"hep-ph"
] | Thorsten Ohl |
hep-ph/9207217 | The Isgur-Wise Function in Small Velocity Limit | We discuss the Isgur-Wise function $\xi (y)$ in the small velocity (SV) limit
within the QCD sum rule method. The behavior of $\xi (y)$ in the SV limit is
sensitive to the particular form of the duality relations used to decontaminate
the sum rule predictions from the continuum contribution. Peculiarities of the
dualit... | 1992-07-07 | 2009-10-22 | [
"hep-ph"
] | B. Blok and M. Shifman |
hep-ph/9207216 | $V'Z$ and $V'W$ Production as Tests of Heavy Gauge Boson Couplings at
Future Hadron Colliders | We point out that the production cross section of $pp\to V'V$, with
$V'=W',Z'$ and $V=W,Z$ is a useful diagnostic of $V'$ gauge couplings at future
hadron colliders. For $M_{Z'}\simeq1$ TeV it would allow determination of
combinations of $Z'$ gauge couplings to the quarks to around 10 percent. An
analysis of the extrac... | 1992-07-05 | 2014-11-17 | [
"hep-ph"
] | Mirjam Cveti\v{c} and Paul Langacker |
hep-ph/9207214 | Nonperturbative Corrections to Inclusive Beauty and Charm Decays: QCD
versus Phenomenological Models | We present a selfconsistent method for treating nonperturbative effects in
inclusive nonleptonic and semileptonic decays of heavy flavour hadrons. These
effects give rise to powerlike corrections $\propto 1/m_Q^n\,$, $n \ge 2$ with
$m_Q$ denoting the heavy quark mass.The leading correction to the semileptonic
branching... | 1992-07-04 | 2011-07-18 | [
"hep-ph"
] | I.I.Bigi, N.G.Uraltsev, A.I.Vainshtein |
hep-ph/9207215 | Isospin Splitting in the Baryon Octet and Decuplet | Baryon mass splittings are analyzed in terms of a simple model with general
pairwise interactions. At present, the $\Delta$ masses are poorly known from
experiments. Improvement of these data would provide an opportunity to make a
significant test of our understanding of electromagnetic and quark-mass
contributions to ... | 1992-07-04 | 2009-10-22 | [
"hep-ph"
] | R. E. Cutkosky |
hep-ph/9207211 | Realistic Hadronic Matrix Element Approach to Color Transparency | Color transparency occurs if a small-sized wave packet, formed in a high
momentum transfer process, escapes the nucleus before expanding. The time
required for the expansion depends on the masses of the baryonic components of
the wave packet. Measured proton diffractive dissociation and electron deep
inelastic scatteri... | 1992-07-03 | 2009-10-22 | [
"hep-ph"
] | B.K. Jennings and G.A. Miller |
hep-ph/9207208 | Semiclassical Gravity and Invisible Axions | We show that charged Eguchi-Hanson instantons provide a concrete and
calculable new source of intrinsic Peccei-Quinn symmetry breaking by quantum
gravity. The size of this breaking is shown to depend sensitively on the short
distance details of a given theory, but is generically suppressed by fermion
zero modes. Demand... | 1992-07-03 | 2010-11-01 | [
"hep-ph",
"astro-ph",
"hep-th"
] | R. Holman, T.W. Kephart and Soo-Jong REY |
hep-ph/9207210 | Multiple-Scattering Series For Color Transparency | Color transparency CT depends on the formation of a wavepacket of small
spatial extent. It is useful to interpret experimental searches for CT with a
multiple scattering scattering series based on wavepacket-nucleon scattering
instead of the standard one using nucleon-nucleon scattering. We develop
several new techniqu... | 1992-07-03 | 2008-11-26 | [
"hep-ph"
] | W. R. Greenberg and G. A. Miller |
hep-ph/9207213 | Implication of Combined Solar Neutrino Observation and their Theoretical
Uncertainties | Constraints on the core temperature (T_c) of the Sun and on neutrino-
oscillation parameters are obtained from the existing solar neutrino data,
including the recent GALLEX and Kamiokande III results. (1) A purely
astrophysical solution to the solar neutrino problem is strongly disfavored by
the data: the best fit in a... | 1992-07-03 | 2009-04-13 | [
"hep-ph",
"astro-ph"
] | S. A. Bludman, N. Hata, D. C. Kennedy, and P. G. Langacker |
hep-ph/9207212 | Collider discovery limits for supersymmetric Higgs bosons | The prospects for discovery of the five Higgs bosons of the minimal
supersymmetric standard model are assessed for existing and planned future
colliders, including LEP\,I, LEP\,II, LHC and SSC. As a benchmark for
comparisons, we take a top-quark mass $m_t= 150\,$GeV and squark mass parameter
$\tilde m= 1\,$TeV in evalu... | 1992-07-03 | 2009-09-15 | [
"hep-ph"
] | V. Barger, Kingman Cheung, R. J. N. Phillips and A. L. Stange |
hep-ph/9207209 | Observable Majoron Emission in Neutrinoless Double Beta Decay | We consider a class of simplest Majoron models where neutrino- majoron
couplings can be in the range $g \sim 10^{-5}-10^{-3}$ leading to the
observability of neutrinoless double beta decay with majoron emission. The
majoron is a singlet of the electroweak gauge symmetry, thus avoiding conflict
with the LEP data on Z de... | 1992-07-03 | 2008-11-26 | [
"hep-ph"
] | Z Berezhiani, A Yu Smirnov and J W F Valle |
hep-ph/9207207 | Majorons from Double Beta Decay | Wrong preprint number changed on previous version. | 1992-07-02 | 2008-02-03 | [
"hep-ph"
] | C.P. Burgess and James M. Cline |
hep-ph/9207205 | What $e^+e^-$ collider could make a ``no-lose'' search for MSSM Higgs
bosons? | The lightest CP-even Higgs boson $h$ in the minimum supersymmetric standard
model (MSSM) has a mass upper bound depending on the top quark and squark
masses. An $e^+e^-$ collider with enough energy and luminosity to produce $h+Z$
at measurable rates up to the maximum $h$ mass would cover the entire MSSM
parameter space... | 1992-07-02 | 2009-09-15 | [
"hep-ph"
] | V. Barger, Kingman Cheung, R. J. N. Phillips and A. L. Stange |
hep-ph/9207204 | Thermal Hadron Production in High Energy Heavy Ion Collisions | We provide a method to test if hadrons produced in high energy heavy ion
collisions were emitted at freeze-out from an equilibrium hadron gas. Our
considerations are based on an ideal gas at fixed temperature $T_f$, baryon
number density $n_B$, and vanishing total strangeness. The constituents of this
gas are all hadro... | 1992-07-02 | 2009-10-22 | [
"hep-ph"
] | Jean Cleymans and Helmut Satz |
hep-ph/9207206 | Nonet Symmetry and Two-Body Decays of Charmed Mesons | The decay of charmed mesons into pseudoscalar (P) and vector (V) mesons is
studied in the context of nonet symmetry. We have found that it is badly broken
in the PP channels and in the P sector of the PV channels as expected from the
non-ideal mixing of the \eta and the \eta'. In the VV channels, it is also
found that ... | 1992-07-02 | 2009-10-22 | [
"hep-ph"
] | Waikwok Kwong and S. P. Rosen (Univ. of Texas at Arlington) |
hep-ph/9207203 | Non--decoupling, triviality and the $\rho$ parameter | The dependence of the $\rho$ parameter on the mass of the Higgs scalar and
the top quark is computed non--perturbatively using the $1/N_F$ expansion in
the standard model. We find an explicit expression for the $\rho$ parameter
that requires the presence of a physical cutoff. This should come as no
surprise since the t... | 1992-07-02 | 2009-10-22 | [
"hep-ph"
] | Kenichiro Aoki and Santiago Peris |
hep-ph/9207202 | Dilatonic Domain Walls | Eq.(19) is added and related issues are further clarified. Also some typos
and signs a re corrected. | 1992-07-01 | 2009-10-22 | [
"hep-ph",
"gr-qc",
"hep-th"
] | HoSeong La |
hep-ph/9207201 | Particle Physics Summary, Where are We and Where are We Going? | The XXVII$^{\rm th}$ Rencontres de Moriond featured approximately 84 talks on
a wide range of topics. I will try to summarize the highlights under the
hypothesis that $SU_3 \x SU_2 \x U_1$ is correct to first approximation,
concentrating on probes for new physics at various scales. | 1992-07-01 | 2007-05-23 | [
"hep-ph"
] | Paul Langacker |
hep-ph/9206263 | Magnetic Monopoles As a New Solution to Strong CP Problem | A non-perturbative solution to strong CP problem is proposed. It is shown
that the gauge orbit space with gauge potentials and gauge tranformations
restricted on the space boundary in non-abelian gauge theories with a $\theta$
term has a magnetic monopole structure if there is a magnetic monopole in the
ordinary space.... | 1992-06-30 | 2009-10-22 | [
"hep-ph"
] | H. Zhang |
hep-ph/9206264 | On the Origin of Fermion Masses | We review some recent work on nonperturbative properties of fermions and
connections with chiral gauge theories. In particular, we consider one of the
ultimate goals of this program: the understanding of the actual fermion mass
spectrum. It is pointed out that if quarks and leptons are composite, their
masses may be se... | 1992-06-30 | 2009-10-22 | [
"hep-ph",
"hep-lat"
] | R. Shrock |
hep-ph/9206265 | Global Quantization in Gauge Orbit Space with Magnetic Monopoles As a
Solution to Strong CP Problem and the Relevance to $U_A(1)$ Problem | We generalize our discussions and give more general physical applications of
a new solution to the strong CP problem with magnetic monopoles as originally
proposed by the author$^1$. Especially, we will discuss about the global
topological structure in the relevant gauge orbit spaces to be clarified. As it
is shown tha... | 1992-06-30 | 2008-02-03 | [
"hep-ph"
] | Huazhong Zhang |
hep-ph/9206266 | Baryogenesis Constraints on the Minimal Supersymmetric Model | Requirement that the vacuum expectation values of Higgs fields immediately
after the phase transition be large enough imposes constraints upon the
parameters of the minimal supersymmetric model. In particular, one obtains the
upper bound on the lighter CP-even Higgs mass and the soft supersymmetry
breaking scale for di... | 1992-06-30 | 2009-10-22 | [
"hep-ph",
"astro-ph"
] | Stanley Myint |
hep-ph/9206259 | Progress in the Theory of the Electroweak Phase Transition | Recent progress in the theory of the electroweak phase transition is
discussed. For the Higgs boson mass smaller than the masses of W and Z bosons,
the phase transition is of the first order. However, its strength is
approximately 2/3 times less than what follows from the one-loop approximation.
This rules out baryogen... | 1992-06-29 | 2007-05-23 | [
"hep-ph"
] | Andrei Linde |
hep-ph/9206261 | Vector-Boson versus Gluon Fusion at Hadron Colliders | We use chiral perturbation theory to show that pseudo-Goldstone boson
scattering and gluon fusion probe different aspects of electroweak symmetry
breaking at hadron colliders. In particular, the physics responsible for
unitarizing the lowest-order pseudo-Goldstone boson scattering amplitudes need
not significantly affe... | 1992-06-29 | 2009-10-22 | [
"hep-ph"
] | J. Bagger, S. Dawson and G. Valencia |
hep-ph/9206262 | Using Back-Scattered Laser Beams to Detect CP Violation in the Neutral
Higgs Sector | We demonstrate that the ability to polarize the photons produced by
back-scattering laser beams at a TeV scale linear $\epem$ collider could make
it possible to determine whether or not a neutral Higgs boson produced in
photon-photon collisions is a CP eigenstate. The relative utility of different
types of polarization... | 1992-06-29 | 2010-11-01 | [
"hep-ph"
] | B. Grzadkowski and J.F. Gunion |
hep-ph/9206260 | Electroweak Baryogenesis with a Second Order Phase Transition | If stable electroweak strings are copiously produced during the electroweak
phase transition, they may contribute significantly to the presently observed
baryon to entropy ratio of the universe. This analysis establishes the
feasibility of implementing an electroweak baryogenesis scenario without a
first order phase tr... | 1992-06-29 | 2007-05-23 | [
"hep-ph",
"astro-ph"
] | Robert H. Brandenberger (Brown) and Anne-Christine Davis (DAMTP,
Cambridge) |
hep-ph/9206256 | Seesaw Neutrino Mass Ratios with Radiative Corrections | In the canonical up-quark seesaw, the ratios of light neutrino masses are
more easily predicted than the masses themselves. Under explicitly enumerated
neccesary but minimal assumptions, these ratios are obtained, including
radiative corrections. The predictions remain uncertain only by the top quark
mass and trivialit... | 1992-06-26 | 2009-10-22 | [
"hep-ph"
] | D. C. Kennedy |
hep-ph/9206257 | Radiative corrections to the Higgs boson decay rate $\Gamma(H\rightarrow
ZZ)$ in the minimal supersymmetric model | We consider radiative corrections to the decay rate $\Gamma(H\rightarrow ZZ)$
of the heavy {\it CP}-even Higgs boson of the minimal supersymmetric model to
two $Z$ bosons. We perform a one loop Feynman diagram calculation in the
on-mass-shell renormalization scheme, and include the third generation of
quarks and squark... | 1992-06-26 | 2009-08-12 | [
"hep-ph"
] | Damien Pierce and Aris Papadopoulos |
hep-ph/9206252 | A Comprehensive Coordinate Space Renormalization of Quantum
Electrodynamics to 2-Loop Order | We develop a coordinate space renormalization of massless Quantum
Electrodynamics using the powerful method of differential renormalization. Bare
one-loop amplitudes are finite at non-coincident external points, but do not
accept a Fourier transform into momentum space. The method provides a
systematic procedure to obt... | 1992-06-26 | 2009-10-22 | [
"hep-ph"
] | Peter E. Haagensen and Jose I. Latorre |
hep-ph/9206255 | The Phenomenology of a Hidden Symmetry Breaking Sector | We calculate the production rate of gauge-boson pairs at the SSC in a model
with a ``hidden'' electroweak symmetry breaking sector. We show that the signal
of electroweak symmetry breaking is lower than the background and that we
cannot necessarily rely on gauge boson pairs as a signal of the dynamics of
symmetry break... | 1992-06-26 | 2009-10-22 | [
"hep-ph"
] | R. Sekhar Chivukula, Mitchell Golden, Dimitrios Kominis, and M. V.
Ramana |
hep-ph/9206254 | Can the Electroweak Symmetry-breaking Sector Be Hidden? | In a recent paper, Chivukula and Golden claimed that the electroweak
symmetry--breaking sector could be hidden if there were many inelastic channels
in the longitudinal $WW$ scattering process. They presented a model in which
the $W$'s couple to pseudo--Goldstone bosons, which may be difficult to detect
experimentally.... | 1992-06-26 | 2008-11-26 | [
"hep-ph"
] | S. G. Naculich and C.-P. Yuan |
hep-ph/9206258 | Probing New Gauge Boson Couplings at Hadron Supercolliders | Once it is discovered, the determination of the various couplings of a new
neutral gauge boson at a hadron supercollider will not be an easy task. We
review several recent studies that have begun to examine this issue for both
the SSC and LHC. | 1992-06-26 | 2007-05-23 | [
"hep-ph"
] | T.G. Rizzo |
hep-ph/9206253 | Wightman Functions in QCD | The constraint imposed by Gauss' law is used to show that the matrix elements
of n-point Wightman Functions of gluon field and quark current operators at
different space time points vanish when taken between physical states. | 1992-06-25 | 2008-02-03 | [
"hep-ph"
] | M.H. Friedman, Y.N. Srivastava, and A.Widom |
hep-ph/9206248 | Mass of Pseudoscalar Gluonium: A Higher-Loop QCD Sum-Rule Estimate | Higher-loop corrections to the pseudoscalar ($0^{-+}$) gluonium correlation
function will be used to obtain the leading gluon condensate contributions to
the subtraction-independent QCD sum-rules. The effect of these higher-loop
corrections on the sum-rule estimates of the pseudoscalar gluonium mass will be
investigate... | 1992-06-25 | 2021-07-01 | [
"hep-ph"
] | D. Asner, R.B. Mann, J.L. Murison and T.G. Steele |
hep-ph/9206249 | Inelastic Channels in the Electroweak Symmetry-Breaking Sector | It has been argued that if light Higgs bosons do not exist then the
self--interactions of $W$'s become strong in the TeV region and can be observed
in longitudinal $WW$ scattering. We present a model with many inelastic
channels in the $WW$ scattering process, corresponding to the creation of heavy
fermion pairs. The p... | 1992-06-25 | 2008-11-26 | [
"hep-ph"
] | S. G. Naculich and C.-P. Yuan |
hep-ph/9206251 | Comments on the Vacuum Orientations in QCD | We study the QCD vacuum orientation angles in correlation with the strong CP
phases. A vacuum alignment equation of the dynamical chiral symmetry breaking
is derived based on the anomalous Ward identity. It is emphasized that a chiral
rotation of the quark field causes a change of the vacuum orientation and a
change in... | 1992-06-25 | 2015-06-25 | [
"hep-ph"
] | Zheng Huang, K.S. Viswanathan, and D.D. Wu |
hep-ph/9206250 | Dynamical Self-mass for Massive Quarks | We examine dynamical mass generation in QCD with large current mass quarks. A
renormalization group analysis is performed to separate fermion self-mass into
a dynamical and a kinematical part. It is shown that the energy scale og the
Schwinger-Dyson (SD) equation and the effective gauge coupling are fixed by the
curren... | 1992-06-25 | 2007-05-23 | [
"hep-ph"
] | Zheng Huang and K.S. Viswanathan |
hep-ph/9206247 | Light Quark Masses and Quarkonium Decays | After discussing the intrinsic ambiguity in determining the light quark mass
ratio $m_u/m_d$, we reexamine the recent proposal that this ambiguity can be
resolved by applying the QCD multipole expansion for the heavy quarkonium
decays. It is observed that, due to instanton effects, some matrix elements
which have been ... | 1992-06-24 | 2008-11-26 | [
"hep-ph"
] | Kiwoon Choi |
hep-ph/9206246 | Structure Function Approach to Vector-Boson Scattering in pp Collisions | We discuss weak-vector-boson scattering, at next-to-leading order in QCD,
within the framework of hadronic structure functions. We use this approach to
calculate the Higgs-boson production cross section via vector-boson fusion at
the LHC/SSC; we find a modest increase over the leading-order prediction. We
also give exp... | 1992-06-24 | 2009-10-22 | [
"hep-ph"
] | T. Han, G. Valencia and S. Willenbrock (FNAL and BNL) |
hep-ph/9206245 | Remarks on the Electroweak Phase Transition | In the standard scenario, the electroweak phase transition is a first order
phase transition which completes by the nucleation of critical bubbles.
Recently, there has been speculation that the standard picture of the
electroweak phase transition is incorrect. Instead, it has been proposed that
throughout the phase tra... | 1992-06-23 | 2007-05-23 | [
"hep-ph"
] | Greg W. Anderson |
hep-ph/9206244 | Dilepton Production in $e^- p$ and $e^+ e^-$ Colliders | In an $e^- p$ collider, a striking signature for a dilepton gauge boson is
\ep \ ; this cross-section is calculated by using the helicity amplitude
technique. At HERA, with center-of-mass energy $\sqrt s = 314 GeV$, a dilepton
mass above $150 GeV$ is inaccessible but at LEPII-LHC, with a center-of-mass
energy $\sqrt s ... | 1992-06-23 | 2009-10-22 | [
"hep-ph"
] | Jyoti Agrawal, Paul H. Frampton and Daniel Ng |
hep-ph/9206243 | Complex Effective Potentials and Critical Bubbles | The Higgs contribution to the effective potential appears to be complex. How
do we interpret this, and how should we modify the calculation to calculate
physical quantities such as the critical bubble free energy? | 1992-06-23 | 2007-05-23 | [
"hep-ph"
] | David E. Brahm |
hep-ph/9206241 | Strong Decays of Excited Heavy Mesons In Chiral Perturbation Theory | We construct an effective Lagrangian describing the interaction of soft pions
and kaons with mesons containing a heavy quark and light degrees of freedom in
an orbital $p$ wave. The formalism is easily extended to heavy mesons and
baryons in arbitrary excited states. We calculate the leading contributions to
the strong... | 1992-06-22 | 2010-11-01 | [
"hep-ph"
] | Adam F. Falk and Michael Luke |
hep-ph/9206242 | $SU(3)\otimes U(1)$ Model for Electroweak Interactions | We consider a gauge model based on $SU(3)\otimes U(1)$ symmetry in which the
lepton number is violated explicitly by charged scalar and gauge bosons,
including a vector field with double electric charge.
Although there exist in the literature several models based on a
$SU(3)\otimes U(1)$ gauge symmetry, our model has... | 1992-06-22 | 2009-07-28 | [
"hep-ph"
] | F. Pisano and V. Pleitez |
hep-ph/9206240 | Finite Temperature Renormalization of the $(\phi^3)_6$- and
$(\phi^4)_4$-Models at Zero Momentum | A self-consistent renormalization scheme at finite temperature and zero
momentum is used together with the finite temperature renormalization group to
study the temperature dependence of the mass and the coupling to one-loop order
in the $(\phi^3)_6$- and $(\phi^4)_4$-models. It is found that the critical
temperature i... | 1992-06-22 | 2009-10-22 | [
"hep-ph"
] | Per Elmfors |
hep-ph/9206239 | Gauge Dependence of the Resummed Thermal Gluon Self Energy | The gauge dependence of the hot gluon self energy is examined in the context
of Pisarski's method for resumming hard thermal loops. Braaten and Pisarski
have used the Ward identities satisfied by the hard corrections to the n-point
functions to argue the gauge fixing independence of the leading order resummed
QCD plasm... | 1992-06-21 | 2009-10-22 | [
"hep-ph"
] | R.Baier, G.Kunstatter, and D.Schiff |
hep-ph/9206237 | Perturbative QCD Corrections to the Soft Pomeron | We study the interface between soft and hard QCD at high energy and small
momentum transfer. At LHC and SSC energies, we find that a cutoff BFKL equation
leads one to expect a measurable perturbative component in traditionally soft
processes. We show that the total cross section could become as large as 175 mb
(122 mb)... | 1992-06-19 | 2007-05-23 | [
"hep-ph"
] | J.R. Cudell and B. Margolis |
hep-ph/9206236 | Nambu Jona-Lasinio Like Models and the Low Energy Effective Action of
QCD | We present a derivation of the low energy effective action of an extended
Nambu Jona-Lasinio (ENJL) model to $O(p^4)$ in the chiral counting. Two
alternative scenarios are considered on how the ENJL model could originate as a
low energy approximation to QCD. The low energy effective Lagrangian we derive
includes the us... | 1992-06-19 | 2011-07-19 | [
"hep-ph"
] | Johan Bijnens, Christophe Bruno and Eduardo de Rafael |
hep-ph/9206238 | Comment On ``Grand Unification and Supersymmetric Threshold" | Barbieri and Hall have argued that threshold effects at the scale of
grand-unification wipe out predictions on the SUSY scale, M_S. Using triviality
arguments we give upper bounds on ultraheavy particles, while proton stability
gives lower bounds on the mass of the higgs color-triplet. We find no useful
lower bound on ... | 1992-06-19 | 2009-10-22 | [
"hep-ph"
] | Alon E. Faraggi, Benjamin Grinstein and Sydney Meshkov |
hep-ph/9206235 | Corrections to the Electroweak Effective Action at Finite Temperature | We calculate contributions to the finite temperature effective action for the
electroweak phase transition (EWPT) at $\O(g^4)$, {\it i.e.} at second order in
$(g^2 T/\M)$ and all orders in $(g^2 T^2/\M^2)$. This requires plasma-mass
corrections in the calculation of the effective potential, inclusion of the
``lollipop'... | 1992-06-19 | 2009-10-22 | [
"hep-ph"
] | C.G. Boyd, D.E. Brahm, & S.D.H. Hsu |
hep-ph/9206232 | Superconducting Cosmc Strings and Primordial Magnetic Fields | We consider grand unified theories with superconducting cosmic strings and
which admit the mechanism for generating primordial magnetic fields recently
discussed by Vachaspati. We show that these models are severely constrained by
cosmological arguments. Quite generically, either stable springs or vortons
will form. Pr... | 1992-06-18 | 2009-10-22 | [
"hep-ph",
"astro-ph"
] | Robert H. Brandenberger (Brown), Anne-Christine Davis (DAMTP,
Cambridge), Andrew M. Matheson (Brown) and Mark Trodden (Cambridge) |
hep-ph/9206233 | The Implications of the COBE-DMR Results for Cosmic Strings | We compare the anisotropies in the cosmic microwave background radiation
measured by the COBE experiment to the predictions of cosmic strings. We use an
analytic model for the $\Delta T/T$ power spectrum that is based on our
previous numerical simulations to show that the COBE results imply a value for
the string mass ... | 1992-06-18 | 2009-10-22 | [
"hep-ph",
"astro-ph"
] | David P. Bennett, Albert Stebbins, and Francois R. Bouchet |
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