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/9404270 | Measurement of the Spin-Dependent Structure Function $g_1(x)$ of the
Proton | We have measured the spin-dependent structure function $g_1^p$ of the proton
in deep inelastic scattering of polarized muons off polarized protons, in the
kinematic range $0.003<x<0.7$ and $1\,\mbox{GeV}^2<Q^2<60\,\mbox{GeV}^2$. Its
first moment, $\int_0^1 g_1^p(x) dx $, is found to be $0.136 \pm
0.011\,(\mbox{stat.})\... | 1994-04-15 | 2010-01-15 | [
"hep-ph",
"hep-ex"
] | the SMC |
hep-ph/9404271 | Origin and Mechanisms of CP Violation | It is shown that the mechanism of spontaneous symmetry breaking provides not
only a mechanism for giving mass to the bosons and the fermions, but also a
mechanism for generating CP-phase of the bosons and the fermions. A two-Higgs
doublet model with Vacuum CP Violation and Approximate Global $U(1)$ Family
Symmetries (A... | 1994-04-15 | 2008-02-03 | [
"hep-ph"
] | Yue-Liang Wu |
hep-ph/9404269 | The Threshold Pion-Photoproduction of Nucleons In The Chiral Quark Model | In this paper, we show that the low energy theorem (LET) of the threshold
pion-photoproduction can be fully recovered in the quark model. An essential
result of this investigation is that the quark-pion operators are obtained from
the effective chiral Lagrangian, and the low energy theorem does not require
the constrai... | 1994-04-14 | 2009-10-28 | [
"hep-ph",
"nucl-th"
] | Zhenping Li |
hep-ph/9404268 | Vacuum stability in the singlet Majoron model | We study the vacuum stability of the singlet Majoron model using full
renormalization group improved scalar potential and Monte Carlo techniques. We
show that in the perturbative regime of the various free parameters, the vacuum
stability requirement together with LEP limits is passed by 18% of the
parameter space if t... | 1994-04-14 | 2009-10-28 | [
"hep-ph"
] | J. Sirkka and I. Vilja |
hep-ph/9404265 | Possible Extension of the Chiral Perturbation Theory Program | After a brief discussion of how chiral dynamics has evolved from the
``universal V-A theory of weak interactions'', we present some evidence that
symmetry breaking for the vector meson multiplet is not simpler than but rather
analogous to that for the pseudoscalar multiplet. This provides a motivation
for speculating o... | 1994-04-13 | 2016-11-03 | [
"hep-ph"
] | J. Schechter |
hep-ph/9404263 | Implications of a Heavy Top in Supersymmetric Theories | In the context of the radiative electroweak symmetry breaking scenario, we
investigate the implications of a heavy top quark mass, close to its infrared
fixed point, on the low energy parameters of the minimal supersymmetric
standard model. We use analytic expressions to calculate the Higgs masses as
well as the supers... | 1994-04-13 | 2011-07-19 | [
"hep-ph"
] | G.K. Leontaris and N.D. Tracas |
hep-ph/9404261 | CKM Matrix from Leptoquark-Quark Mixing in a String Model | We investigate a scenario in which the CKM matrix arises from
leptoquark--down quark mixing in a particular standard--like superstring model.
We find that for some choices of F and D flat directions realistic quark mixing
can be obtained without any phenomenological problems. This scenario predicts a
symmetric (in abso... | 1994-04-13 | 2010-11-01 | [
"hep-ph"
] | Edi Halyo |
hep-ph/9404260 | On collinearization of quarks in the quark-gluon decays of heavy
orthoquarkonia | The decay of heavy orthoquarkonium into quark-antiquark pair and two gluons
is considered. The differential probability of the decay in the tree
approximation is calculated and the probability distributions of quarks and
gluons are obtained. The collinear enhancement of the bottomonium decay is
shown to take place at t... | 1994-04-13 | 2015-06-25 | [
"hep-ph"
] | A.Ya.Parkhomenko and A.D.Smirnov |
hep-ph/9404264 | Breaking Electroweak Symmetry Strongly | The problem of electroweak symmetry breaking is reviewed with discussion of
future relevant experimentation at LHC and $e^+e^-$ linear colliders. The
possibility of strong electroweak symmetry breaking is examined in more detail,
using the BESS (Breaking Electroweak Symmetry Strongly) model as a basis for
the discussio... | 1994-04-13 | 2016-11-03 | [
"hep-ph"
] | N.Di Bartolomeo and R.Gatto |
hep-ph/9404262 | What is being calculated with Thermal Field Theory? | Thermal field theory is reviewed briefly. It is noted that, until recently,
it was not known what type of real-time Green function is being calculated in
the Euclidean approach. The formal answer to this question is then given and
the unexpectedly complicated answer is discussed. The physical implications of
the result... | 1994-04-13 | 2011-08-01 | [
"hep-ph"
] | T.S. Evans |
hep-ph/9404267 | From Multiloop Spinor Helicity Technique to String Reorganization | The success of the spinor helicity technique for tree processes is reviewed.
To apply it to multiloop diagrams one is naturally led to the Schwinger
proper-time representation, whose properties are discussed. This representation
also serves as a useful link between field theories and string theories. | 1994-04-13 | 2009-09-25 | [
"hep-ph",
"hep-th"
] | C.S. Lam |
hep-ph/9404266 | SUSY Magnetic Moments Sum Rules and Supersymmetry Breaking | It was recently shown that unbroken N=1 Susy relates, in a model independent
way, the magnetic transitions between states of different spin within a given
charged massive supermultiplet. We verify explicitly these sum rules for a
vector multiplet in the case of massless and massive fermions. The purpose of
this analysi... | 1994-04-13 | 2009-10-28 | [
"hep-ph"
] | A. Culatti |
hep-ph/9404256 | Summary Talk at the 3rd KEK Topical Conference on CP Violation | A summary of the contributions to this topical conference is presented. The
topics discussed ranged from detailing what we know about CP violation, to what
we hope to learn in the future, to still unsolved mysteries in the subject. | 1994-04-12 | 2015-06-25 | [
"hep-ph"
] | R. D. Peccei |
hep-ph/9404257 | Can the Supersymmetric $\mu$ parameter be generated dynamically without
a light Singlet? | It is generally assumed that the dynamical generation of the Higgs mass
parameter of the superpotential, $\mu$, implies the existence of a light
singlet at or below the supersymmetry breaking scale, $\msusy$. We present a
counter-example in which the singlet field can receive an arbitrarily heavy
mass (\eg, of the orde... | 1994-04-12 | 2009-10-28 | [
"hep-ph"
] | Ralf Hempfling |
hep-ph/9404259 | $W^+-H^+$ Interference and Partial Width Asymmetry in Top and Antitop
Decays | We re-examine the question of a possible difference in the partial decay
widths of $t$ and $\overline t$, induced by an intermediate scalar boson $H^+$
with $CP$-violating couplings. The interference of $W^+$ and $H^+$ exchanges is
analysed by constructing the $2\times 2$ propagator matrix of the $W^+-H^+$
system, and ... | 1994-04-12 | 2010-11-01 | [
"hep-ph"
] | T. Arens and L.M. Sehgal |
hep-ph/9404258 | The forward-backward asymmetry with $Z'$ effects in the process $e^{+}$
$e^{-}$ $\rightarrow$ $\mu^{+}$ $\mu^{-}$ | Having taken the QED radiative correction and one-loop weak corrections into
account, we have computed the unpolarized forward-backward asymmetry in the
process $e^+e^- -> \mu^+\mu^-$ at a very reasonable accuracy. Special attention
to the effects around the LEP 200 energy, induced by the possible $Z'$ boson of
the lef... | 1994-04-12 | 2009-10-28 | [
"hep-ph"
] | Ma Wen-Gan, Sun La-Zhen, Liu Yao-Yang, Jiang Yi and Chao-Hsi Chang |
hep-ph/9404254 | Fragmentation Function Method for Charge Asymmetry Measurements in
$\e^+e^-$ Collisions | We propose a method for measuring the hadron charge asymmetry in $\ee$
collisions which is based upon the fragmentation function formalism, and is
largely independent of modelling of fragmentation effects. Furthermore, in this
method, QCD radiative corrections can be accounted for in a systematic way. | 1994-04-11 | 2009-10-28 | [
"hep-ph"
] | P. Nason and B.W. Webber |
hep-ph/9404251 | Curvature energy effects on strange quark matter nucleation at finite
density | We consider the effects of the curvature energy term on thermal strange quark
matter nucleation in dense neutron matter. Lower bounds on the temperature at
which this process can take place are given and compared to those without the
curvature term. | 1994-04-11 | 2009-10-28 | [
"hep-ph",
"astro-ph"
] | J.E.Horvath |
hep-ph/9404253 | Predictions for Constrained Minimal Supersymmetry with Bottom-Tau Mass
Unification | We examine the Constrained Minimal Supersymmetric Standard Model (CMSSM) with
an additional requirement of strict b - tau unification in the region of small
tan(beta). We find that the parameter space becomes completely limited below
about 1 TeV by physical constraints alone, without a fine-tuning constraint. We
study ... | 1994-04-11 | 2011-01-27 | [
"hep-ph"
] | Chris Kolda, Leszek Roszkowski, James D. Wells, and G.L. Kane |
hep-ph/9404248 | Ultraviolet-Renormalon Reexamined | We consider large-order perturbative expansions in QED and QCD. The
coefficients of the expansions are known to be dominated by the so called
ultraviolet (UV) renormalons which arise from inserting a chain of
vacuum-polarization graphs into photonic (gluonic) lines. In large orders the
contribution is associated with v... | 1994-04-11 | 2019-08-15 | [
"hep-ph",
"hep-th"
] | A.I. Vainshtein, V.I. Zakharov |
hep-ph/9404255 | Vacuum Structure in QCD with Quark and Gluon Condensates | We consider here the vacuum structure in QCD with both quark and gluon
condensates and a variational ansatz for the ground state. The method is
nonperturbative using only equal time algebra for the field operators. We then
find that a constrained energy minimisation of the Hamiltonian leads to a QCD
vacuum with both qu... | 1994-04-11 | 2015-06-25 | [
"hep-ph",
"nucl-th"
] | A. Mishra, H. Mishra, Varun Sheel, S.P. Misra and P.K. Panda |
hep-ph/9404249 | Residual long-range pseudoscalar forces between unpolarised macroscopic
bodies | In this paper we survey the effects of residual long-range forces associated
to $\gamma_5$-spin dependent-couplings of fermions to massless bosons exerted
by unpolarised bulk matter over macroscopic distances. We establish that such
forces with behaviour proportional to $R^{-6}$ do indeed exist. They arise as a
quantum... | 1994-04-11 | 2010-11-01 | [
"hep-ph"
] | J.A. Grifols and S. Tortosa (IFAE Institut de Fisica d'Altes Energies
Grup de Fisica Teorica Universitat Autonoma de Barcelona Bellaterra,
Barcelona, Catalonia, Spain) |
hep-ph/9404252 | The Indirect Detection of Halo Dark Matter | High energy particles are produced by the annihilation of dark matter
particles in our galaxy. These are presently searched for using balloon-borne
antiproton and positron detectors and large area, deep underground neutrino
telescopes. Dark matter particles, trapped inside the sun, are an abundant
source of such neutri... | 1994-04-11 | 2016-09-01 | [
"hep-ph",
"astro-ph"
] | F. Halzen and J.E Jacobsen |
hep-ph/9404250 | Heavy quark potential and the phase transitions in the continuum theory
at finite temperature | Heavy quark potential in the continuum theory at finite temperature is
calculated in different phases by using the Polyakov loop as the order
parameter. We find the linearly rising potential in the confinement phase, the
Debye screened potential in the deconfinement phase and the perturbative
$r^{-2}$ dependence at ver... | 1994-04-11 | 2009-10-28 | [
"hep-ph",
"hep-lat"
] | J. Bohacik and P. Presnajder |
hep-ph/9404247 | Associated Production of Higgs and Weak Bosons, with H -> b\bar b, at
Hadron Colliders | We consider the search for the Higgs boson at a high-luminosity Fermilab
Tevatron, an upgraded Tevatron of energy 3.5 TeV, and the CERN Large Hadron
Collider, via $WH/ZH$ production followed by H -> bb~ and leptonic decay of the
weak vector bosons. We show that each of these colliders can potentially
observe the standa... | 1994-04-10 | 2009-10-28 | [
"hep-ph"
] | A. Stange, W. Marciano and S. Willenbrock |
hep-ph/9404246 | `Natural Masslessness Conservation' for neutrinos in two Higgs-doublet
models | We present a model which supplements the Standard Electroweak Model with
three right-handed neutrinos and one extra scalar doublet which does not
develop a vacuum expectation value. With the aid of a discrete symmetry the
neutrinos are kept strictly massless. This model has several interesting
features. It has unsuppre... | 1994-04-10 | 2011-07-19 | [
"hep-ph"
] | A. Barroso and Joao P. Silva |
hep-ph/9404244 | Standard Model Higgs Physics at a 4 TeV Upgraded Tevatron | We compute an array of Standard Model Higgs boson ($\hsm$) signals and
backgrounds for a possible upgrade of the Tevatron to $E_{\rm cm}=4\tev$.
Taking $\mt\geq 140\gev$, and assuming a total accumulated luminosity of
$L=30\fbi$, we find that a Standard Model Higgs boson with $\mhsm\lsim 110\gev$
could almost certainly... | 1994-04-09 | 2009-10-28 | [
"hep-ph"
] | J.F. Gunion and T. Han |
hep-ph/9404245 | Polarization observables of the $\vec{d} \vec{p} \rightarrow \vec{p}d$
reaction and one-neutron-exchange approximation | The polarization observables in the elastic scattering of polarized deuterons
on a polarized hydrogen target, with measurement of the recoil proton
polarization, are considered. The observables are calculated in the one-neutron
exchange approximation, for the special case of backward scattering
($\theta_{c.m.} = 180^{\... | 1994-04-09 | 2007-05-23 | [
"hep-ph"
] | A. P. Kobushkin, A. I. Syamtomov, C. F. Perdrisat, V. Punjabi |
hep-ph/9404242 | The Rho-Meson as a Collective Excitation | A model of the rho-meson as a collective excitation of $q\bar{q}$ pairs in a
system that obeys the modified Nambu--Jona-Lasinio Lagrangian is proposed. The
rho emerges as a dormant Goldstone boson. The origin of the rho-meson mass is
understood as a result of spontaneous chiral symmetry breaking. The low-energy
dynamic... | 1994-04-08 | 2009-10-28 | [
"hep-ph",
"hep-th"
] | A.A.Osipov (Joint Institute for Nuclear Research, Dubna) |
hep-ph/9404237 | Multiplicities for LHC Nuclear Collisions Using HERA Structure Functions | We compute in QCD perturbation theory the transverse energy carried by
gluons, quarks and antiquarks with $p_T\ge p_0\approx 2$ GeV in Pb+Pb
collisions at $\sqrt{s}=5500$ $A$GeV by using structure functions compatible
with the small-$x$ increase observed at HERA. This gives a perturbative
estimate for the energy and en... | 1994-04-08 | 2009-10-28 | [
"hep-ph",
"nucl-th"
] | K.J. Eskola, K. Kajantie and P.V. Ruuskanen |
hep-ph/9404241 | A Model of CP Violation | It is shown that a two-Higgs doublet model with Vacuum CP Violation and
Approximate Global $U(1)$ Family Symmetries (AGUFS) may provide one of the
simplest and attractive models in understanding origin and mechanisms of CP
violation at the weak scale. The whole new interactions of the model are
explicitly presented her... | 1994-04-08 | 2008-02-03 | [
"hep-ph"
] | Yue-Liang Wu |
hep-ph/9404238 | Predictions for Proton Lifetime in Minimal Non-Supersymmetric SO(10)
Models: An Update | We present our best estimates of the uncertainties due to heavy particle
threshold corrections on the unification scale $M_U$, intermediate scale $M_I$
and coupling constant Alpha_U in the minimal non-supersymmetric SO(10) models.
Using these , we update the predictions for proton life-time in these models. | 1994-04-08 | 2009-10-28 | [
"hep-ph"
] | D.G.Lee, R.N.Mohapatra, M.K.Parida and M.Rani |
hep-ph/9404239 | The Equivalence Theorem for Chiral Lagrangians | In this work we derive the version of the Equivalence Theorem that applies
when the symmetry breaking sector of the Standard Model is described by a
general chiral lagrangian. The demonstration is valid for renormalized fields
for any value of the gauge parameter (in $R_{\xi}$ gauges) and any
parametrization of the cos... | 1994-04-08 | 2019-08-17 | [
"hep-ph"
] | A.Dobado, J.R.Pelaez (Departamento de Fisica Teorica, Universidad
Complutense de Madrid) |
hep-ph/9404236 | The Reaction $\pi N \to \pi \pi N$ at Threshold | We consider the chiral expansion for the reaction $\pi N \to \pi \pi N$ in
heavy baryon chiral perturbation theory. To order $M_\pi$ we derive novel
low--energy theorems that compare favorably with recent determinations of the
total cross sections for $\pi^+ p \to \pi^+ \pi^+ n$ and $\pi^- p \to \pi^0
\pi^0 n$. | 1994-04-08 | 2009-10-28 | [
"hep-ph",
"nucl-th"
] | V. Bernard, N. Kaiser and Ulf-G. Mei{\ss}ner |
hep-ph/9404240 | Remark on Charm Quark Fragmentation to $D^{**}$ Mesons | The observed $D^{**}$ mesons have $c\bar q$ flavor quantum numbers and
spin-parity of the light degrees of freedom $s_\ell^{\pi_{\ell}} = 3/2^+$. In
the $m_c \rightarrow \infty$ limit the spin of the charm quark is conserved and
the $c \rightarrow D^{**}$ fragmentation process is characterized by the
probability for th... | 1994-04-08 | 2009-10-28 | [
"hep-ph"
] | Yu-Qi Chen and Mark B. Wise |
hep-ph/9404243 | Proton Life-Time Problem In Finite Grand Unified Theories | We study proton decay in finite supersymmetric SU(5) grand unified theories.
We find that the dimension-five operators due to color triplet higgsino induce
too rapid a proton decay. This behaviour can be traced to the large Yukawa
couplings to the first generation that are necessary for finiteness. | 1994-04-08 | 2011-07-19 | [
"hep-ph"
] | N. Deshpande, Xiao-Gang He and E. Keith |
hep-ph/9404235 | Transverse Polarization of Top Quarks Produced at a Photon-Photon
Collider | At future $\gamma \gamma$ colliders copious production of $t \bar{t}$ pairs
is possible. This would allow a detailed investigation of the interactions
involving the top quark. We propose some orrelations which are sensitive to $t
\bar{t}$ final state interactions and we compute the QCD and standard model
Higgs boson co... | 1994-04-08 | 2014-11-17 | [
"hep-ph"
] | W. Bernreuther, J.P. Ma and B.H.J. McKellar |
hep-ph/9404230 | A Light Scalar Top Quark in MSGUT | We reexamine a possibility for the existence of a light supersymmetric
partner of the top quark (stop) with mass 15$\sim$16GeV in the framework of the
minimal supergravity GUT model (MSGUT). Such a stop could explain the slight
excess of the high $p_{T}$ cross section of the $D^{*\pm}$-meson production in
the two-photo... | 1994-04-07 | 2009-09-25 | [
"hep-ph"
] | Tadashi Kon and Toshihiko Nonaka |
hep-ph/9404232 | Muon Number Violating Processes in Single Particle Extensions of the
Standard Model | We study the one-loop induced muon number processes when the standard model
is minimally extended to include a $\rm SU(2)$ singlet of a charged scalar
$h^+$ and a neutral fermion $N$. We find that $\mu \rightarrow e \gamma$ is
more sensitive for the former model whereas $\mu-e$ conversion in nuclei for
the latter. Effe... | 1994-04-07 | 2009-10-28 | [
"hep-ph"
] | Daniel Ng and John N. Ng |
hep-ph/9404234 | Closing the Light Gluino Window in Supersymmetric Grand Unified Models | We study the light gluino scenario giving special attention to constraints
from the masses of the light CP-even neutral Higgs $m_h$, the lightest chargino
$m_{\chi^{\pm}_1}$, and the second lightest neutralino $m_{\chi^0_2}$, and from
the $b\rightarrow s\gamma$ decay. We find that minimal $N=1$ supergravity, with
a rad... | 1994-04-07 | 2014-11-17 | [
"hep-ph"
] | Marco Aurelio Diaz |
hep-ph/9404233 | An improved effective potential for electroweak phase transitions | It is shown that improved potentials and corrected mass terms can be
introduced by using a quadratic source term in the path integral construction
for the effective action. The advantage of doing things this way is that we
avoid ever having to deal with complex propagators in the loop expansion. The
resulting effective... | 1994-04-07 | 2009-10-28 | [
"hep-ph"
] | Janaki Balakrishnan and Ian G. Moss |
hep-ph/9404227 | A Simple Way of Calculating Cosmological Relic Density | A simple procedure is presented which leads to a dramatic simplification in
the calculation of the relic density of stable particles in the Universe. | 1994-04-07 | 2013-11-13 | [
"hep-ph",
"astro-ph"
] | Leszek Roszkowski |
hep-ph/9404229 | Impact Picture Model for Pbar-P Elastic Scattering | The predictions of an impact-picture model for proton-antiproton elastic
scattering are compared with the new UA4 experimental data in the Coulomb
interference region at the center-of-mass energy of $541 GeV$. The predicted
differential cross section, the parameter $\rho$ and the forward slope are in
very good agreemen... | 1994-04-07 | 2009-09-25 | [
"hep-ph"
] | C. Bourrely |
hep-ph/9404231 | Finite temperature effective actions for double wells | The problem of calculating the effective potential for a real scalar field
with a double--well potential is a possible preliminary to understanding
symmetry breaking phase transitions in the early universe. It is argued here
that it is necessary to include multiple saddle points in the path integral
formalism and that ... | 1994-04-07 | 2007-05-23 | [
"hep-ph"
] | Ian G. Moss |
hep-ph/9404228 | Inclusive particle photoproduction to next-to-leading order | We study the inclusive photoproduction of neutral and charged pions and
$\eta$ at HERA, via the resolved photon mechanism, in QCD to next-to-leading
order. We present various distributions of phenomenological interest and study
the theoretical uncertainties due to the mass scales, and to photon and proton
sets of struc... | 1994-04-06 | 2009-09-25 | [
"hep-ph"
] | M. Greco, S. Rolli, A. Vicini |
hep-ph/9404221 | H dibaryon in the QCD sum rule | The QCD sum rule is applied to the H dibaryon and is compared to the flavor
non-singlet di-nucleon. We find that the H dibaryon is almost degenerate to the
di-nucleon in the $SU(3)_{flavor}$ limit and therefore is not deeply bound as
far as th\ e threshold parameter is adjusted not to have a di-nucleon bound
state. Aft... | 1994-04-06 | 2016-09-01 | [
"hep-ph",
"nucl-th"
] | N. Kodama, M. Oka and T. Hatsuda |
hep-ph/9404219 | Annihilation Cross Sections for Relic Densities in the Low Velocity
Limit | A simple method to calculate the total annihilation cross section of massive
cold relics is presented. Exact expressions for $\arel$, $\brel$, and $\crel$
of $\sigma \vrel=\arel+\brel \vrel^2+\crel \vrel^4$ are obtained from simple
derivatives of the squared annihilation amplitude. Three examples are given. In
one exam... | 1994-04-06 | 2016-09-01 | [
"hep-ph"
] | James D. Wells |
hep-ph/9404225 | Single $W_R$ Production in $e^-e^-$ Collisions at the NLC | Single $W_R$ production in $e^-e^-$ collisions at the NLC can be used to
probe the Majorana nature of the heavy neutrinos present in the Left-Right
Symmetric Model below the kinematic threshold for their direct production. For
colliders in the $\sqrt {s}=1-1.5$ TeV range, typical cross sections of order
$1-10 fb$ are o... | 1994-04-06 | 2009-10-28 | [
"hep-ph"
] | Thomas G. Rizzo |
hep-ph/9404226 | Top-Down Approach to Unified Supergravity Models | We introduce a new approach for studying unified supergravity models. In this
approach all the parameters of the grand unified theory (GUT) are fixed by
imposing the corresponding number of low energy observables. This determines
the remaining particle spectrum whose dependence on the low energy observables
can now be ... | 1994-04-06 | 2009-10-28 | [
"hep-ph"
] | Ralf Hempfling |
hep-ph/9404223 | A New Method for Computing Helicity Amplitudes | An helicity formalism for perturbative calculations is presented. It is based
on the formal insertion in spinor lines of a complete set of states built up
with unphysical spinors. It is particularly convenient when massive spinors are
present. Its application to $e^+\,e^-\,\rightarrow b\,\bar b\,W^+W^-$ is
briefly disc... | 1994-04-06 | 2007-05-23 | [
"hep-ph"
] | A. Ballestrero and E. Maina |
hep-ph/9404220 | Production and decay of the Standard Model Higgs Bososn at LEP200 | We collect and update theoretical predictions for the production rate and
decay branching fractions of the Standard Model Higgs boson that will be
relevant for the Higgs search at LEP200. We make full use of the present
knowledge of radiative corrections. We estimate the systematics arising from
theoretical and experim... | 1994-04-06 | 2009-10-28 | [
"hep-ph"
] | Eilam Gross, Bernd A. Kniehl and Gustavo Wolf |
hep-ph/9404222 | Topologically non--trivial chiral transformations and their
representations in a finite model space | The role of chiral transformations in effective theories modeling Quantum
Chromo Dynamics is reviewed. In the context of the Nambu--Jona--Lasinio model
the hidden gauge and massive Yang--Mills approaches to vector mesons are
demonstrated to be linked by a special chiral transformation which removes the
chiral field fro... | 1994-04-06 | 2007-05-23 | [
"hep-ph"
] | R. Alkofer, H. Reinhardt, J. Schlienz and H. Weigel |
hep-ph/9404224 | Roles of Diquarks in the Nucleon for the Deep Inelastic Scattering and
the Non-leptonic Weak Transitions | We study roles of quark-quark correlations in the baryons for the deep
inelastic structure function and the ${\Delta}I=1/2$ rule of the non-leptonic
weak hyperon decay. The quark-quark correlation is incorporated
phenomenologically as diquarks within the Nambu and Jona-Lasinio model. The
strong diquark correlations in ... | 1994-04-06 | 2009-10-28 | [
"hep-ph"
] | Katsuhiko Suzuki |
hep-ph/9404216 | A Note on QED with Magnetic Field and Chemical Potentia | Using a generalized proper-time method, we obtain expressions for the fermion
density and the QED effective Lagrangian for an external magnetic field at
finite chemical potential. The effective Lagrangian and the density are here
written in terms of elementary functions, summed over a finite number of filled
Landau lev... | 1994-04-05 | 2009-10-28 | [
"hep-ph"
] | D.Persson and Vad.Zeitlin |
hep-ph/9404212 | Trileptons from Chargino-Neutralino Production at the CERN Large Hadron
Collider | We study direct production of charginos and neutralinos at the CERN Large
Hadron Collider. We simulate all channels of chargino and neutralino production
using ISAJET 7.07. The best mode for observing such processes appears to be
$pp\to\tw_1\tz_2\to 3\ell +\eslt$. We evaluate signal expectations and
background levels, ... | 1994-04-05 | 2009-10-28 | [
"hep-ph"
] | H. Baer, C. H. Chen, F. Paige and X. Tata |
hep-ph/9404214 | Instanton Contribution to $B \rightarrow X_u e \bar \nu $ Decay | We study instanton effects on inclusive semileptonic $b \rightarrow u$ decay
using the heavy quark effective field theory and the operator product
expansion. The effect contributes not only to the hadronic matrix element but
also to the coefficient functions in the operator product expansion. We find
that the coefficie... | 1994-04-05 | 2015-06-25 | [
"hep-ph"
] | Junegone Chay and Soo-Jong Rey |
hep-ph/9404213 | Large relativistic corrections to the positronium decay rate | Relativistic corrections to the positronium decay rate are calculated. They
are close to $40(\alpha /\pi)^2$ and $46(\alpha /\pi)^2$ for singlet and
triplet states respectively. | 1994-04-05 | 2007-05-23 | [
"hep-ph"
] | I.B. Khriplovich and A.I. Milstein |
hep-ph/9404215 | Quantum Decoherence, Entropy and Thermalization in Strong Interactions
at High Energy | Entropy is generated in high-multiplying events by a dynamical separation of
strongly interacting systems into partons and unobservable environment modes
(almost constant field configurations) due to confinement. | 1994-04-05 | 2011-08-04 | [
"hep-ph"
] | Hans-Thomas Elze |
hep-ph/9404218 | Large scale structure from biased non-equilibrium phase transitions -
percolation theory picture | We give an analytical description of the spatial distribution of domain walls
produced during a biased nonequilibrium phase transition in the vacuum state of
a light scalar field. We discuss in detail the spectrum of the associated
cosmological energy density perturbations. It is shown that the contribution
coming from... | 1994-04-05 | 2009-10-28 | [
"hep-ph"
] | Z. Lalak, S. Lola, B. A. Ovrut and G. G. Ross |
hep-ph/9404217 | Yukawa Coupling Thresholds: Application to the MSSM and the Minimal
Supersymmetric SU(5) GUT | We consider a particular class of threshold corrections to Yukawa couplings
and mass relations in the MSSM and supersymmetric grand unified models. We give
a complete treatment of Yukawa coupling thresholds at the unification scale
$\Mx$ and the effective supersymmetry scale $\Ms$ and apply them to corrections
to the t... | 1994-04-05 | 2009-09-25 | [
"hep-ph"
] | Brian D. Wright |
hep-ph/9404210 | Deriving The Standard Model From Superstring Theory | I outline a program to derive the Standard Model directly from superstring
theory. I present a class of three generation superstring standard--like models
in the free fermionic formulation. I discuss some phenomenological properties
of these models. In particular these models suggest an explanation for the top
quark ma... | 1994-04-04 | 2007-05-23 | [
"hep-ph",
"hep-th"
] | Alon E. Faraggi |
hep-ph/9404211 | Simple But Efficient Tests of QCD from Tau Decays$^{*)}$ | We review the determinations of the QCD coupling $\alpha_s$ from the
inclusive and exclusive modes of $\tau$-decays. The most recent $\tau$-data
provide the average value $ \alpha_ s \left(M^2_\tau \right)\simeq 0.347\pm
0.030 $ corresponding to $ \alpha_ s \left(M^2_Z \right) \simeq 0.121\pm 0.003
\pm 0.001.$ The valu... | 1994-04-04 | 2012-08-27 | [
"hep-ph"
] | S. Narison: |
hep-ph/9404209 | A Heavy Top Quark and the $Zb\bar{b}$ Vertex in Non-Commuting Extended
Technicolor | We explore corrections to electroweak parameters in the context of Extended
Technicolor (ETC) models in which the ETC gauge-boson which generates the
top-quark mass carries weak $SU(2)$ charge. For $m_t \sim 150$ GeV there exist
potentially large corrections to the $Z$ decay width to $b$-quarks.
Interestingly, in contr... | 1994-04-04 | 2008-11-26 | [
"hep-ph"
] | R.S. Chivukula, E.H. Simmons, and J. Terning |
hep-ph/9404208 | Top Quark As A Topological Color Soliton | In this paper I propose an scenario for the top quark as a topological color
soliton. I illustrate some features of the top quark as a soliton in a toy
model based on nonlinear realization of the $SU(3)_L \times SU(3)_R /
SU(3)_{L+R}$, with $SU(3)_{L+R}$ being the color gauge group. | 1994-04-03 | 2011-01-13 | [
"hep-ph"
] | Xinmin Zhang |
hep-ph/9404207 | SU(3) Breaking Effects in Charmed Meson Decays | The decay rates of $D^+\to\pi^+\pi^0$ and $D^0\to K^+\pi^-$ recently measured
by CLEO give the ratios $R_1=2|V_{cs}/V_{cd}|^2\Gamma(D^+\to
\pi^+\pi^0)/\Gamma(D^+\to\bar{K}^0 \pi^+)=3.29\pm 1.16$ and
$R_2=|V_{cs}^*V_{ud}/(V_{cd}^*V_{us})|^2\Gamma(D^0\to
K^+\pi^-)/\Gamma(D^0\to K^-\pi^+)=2.92\pm 1.34\,$. Both are about... | 1994-04-02 | 2009-10-28 | [
"hep-ph"
] | Ling-Lie Chau and Hai-Yang Cheng |
hep-ph/9404204 | Analytical and Numerical Contributions of Some Tenth-Order Graphs
Containing Vacuum Polarization Insertions to the Muon (G-2) in QED | The contributions to the g-2 of the muon from some tenth-order (five-loop)
graphs containing one-loop and two-loop vacuum polarization insertions have
been evaluated analytically in QED perturbation theory, expanding the results
in the ratio of the electron to muon mass (m_e /m_\mu). Some results contain
also terms kno... | 1994-04-01 | 2009-10-28 | [
"hep-ph"
] | S.Laporta |
hep-ph/9404202 | Clan Properties in Parton Showers | By considering clans as genuine elementary subprocesses, i.e., intermediate
parton sources in the Simplified Parton Shower model, a generalized version of
this model is defined. It predicts analytically clan properties at parton level
in agreement with the general trends observed experimentally at hadronic level
and in... | 1994-04-01 | 2009-09-25 | [
"hep-ph"
] | R. Ugoccioni, A. Giovannini and S. Lupia |
hep-ph/9404206 | Chiral Symmetry and the Constituent Quark Model: A Null-Plane Point of
View | In order to clarify the connection between {\it current} and {\it
constituent} quarks (of u,d,s flavors), several authors have used the lightlike
chiral $SU(3)\otimes SU(3)$ algebra as a central concept. This literature is
reviewed here with the goal of offering an introduction to the subject within a
convenient, unifi... | 1994-04-01 | 2007-05-23 | [
"hep-ph"
] | D. Mustaki |
hep-ph/9404201 | 3D Physics and the Electroweak Phase Transition: Perturbation Theory | We develop a method for the construction of the effective potential at high
temperatures based on the effective field theory approach and renormalization
group. It allows one to sum up the leading logarithms in all orders of
perturbation theory. The method reproduces the known one-loop and two-loop
results in a very si... | 1994-04-01 | 2009-10-28 | [
"hep-ph"
] | K. Farakos, K. Kajantie, K. Rummukainen and M. Shaposhnikov |
hep-ph/9404205 | Understanding the Standard Model | We explore to what extent the various assumptions behind the standard model
as well as the observed quantization of electric charges of quarks and leptons
can be understood using the Adler-Bell-Jackiw anomalies. The effect of
including a non-zero neutrino mass on these considerations is also discussed. | 1994-04-01 | 2016-11-03 | [
"hep-ph"
] | R. N. Mohapatra (University of Maryland) |
hep-ph/9403411 | Physics Beyond the Standard Model | In these lectures I describe some of the open questions in the standard model
relating to the nature and origin of mass, forces and matter and discuss some
of the speculative theoretical ideas put forth in this regard. Some of the
topics touched upon include supsersymmetry, dynamical symmetry breaking,
composite models... | 1994-04-01 | 2007-05-23 | [
"hep-ph"
] | Roberto Peccei |
hep-ph/9404203 | Hyperspherical Integration and the Triple-Cross Vertex Graphs | We have extended the hyperspherical variables method to the analytical
calculation of the angular integral of the box graph. We discuss the
applications of our results to the analytical calculation of the QED
contribution to the electron g-2 of the set of three-loop triple-cross vertex
graphs. | 1994-04-01 | 2009-09-25 | [
"hep-ph"
] | S.Laporta |
hep-ph/9403408 | Comment on Transverse Mass Dependence of Partonic Dilepton Production in
Ultra-Relativistic Heavy Ion Collisions | Comment on scale breaking effects in dilepton emission from partons during
the early stage of ultra-relativistic heavy ion collisions | 1994-03-31 | 2009-10-28 | [
"hep-ph"
] | K. Geiger |
hep-ph/9403410 | Jet Production in Polarized Lepton-Hadron Scattering | We calculate exact analytical expressions for \oas 3-jet and \oasz \\ 4-jet
cross sections in polarized deep inelastic lepton nucleon scattering.
Introducing an invariant jet definition scheme, we present differential
distributions of 3- and 4-jet cross sections in the basic kinematical variables
$x$ and $W^2$ as well ... | 1994-03-31 | 2009-10-28 | [
"hep-ph"
] | E. Mirkes and C. Ziegler |
hep-ph/9403409 | Analytic Solutions of QCD Evolution Equations for Parton Cascades Inside
Nuclear Matter at Small X | An analytical method is presented to solve generalized QCD evolution
equations for the time development of parton cascades in a nuclear environment.
Closed solutions for the spectra of produced partons with respect to the
variables time, longitudinal momentum and virtuality are obtained under some
idealizing assumption... | 1994-03-31 | 2011-07-19 | [
"hep-ph"
] | K. Geiger |
hep-ph/9403407 | The Mass Definition in Hqet and a New Determination of V$_{\text{cb}}$ | Positive powers of the mass parameter in a physical quantity calculated with
the help of heavy quark effective theory originate from a Wilson coefficient in
the matching of QCD and HQET Green function. We show that this mass parameter
enters the calculation as a well--defined running current mass. We further
argue that... | 1994-03-31 | 2010-11-01 | [
"hep-ph"
] | P. Ball, U. Nierste |
hep-ph/9403405 | Isospin Symmetry Breaking in Hadrons and Nuclei | A brief review of the isospin symmetry breaking in hadrons and nuclei is
given with emphasis on the $u-d$ quark mass difference. The off-shell
$\rho^0-\omega$ mixing is studied as a typical example of the symmetry
breaking, and its relevance to the nuclear force and nuclei is discussed. | 1994-03-31 | 2009-10-28 | [
"hep-ph",
"nucl-th"
] | Tetsuo Hatsuda |
hep-ph/9403406 | Electroweak Radiative Corrections, Born Approximation, and Precision
Tests of the Standard Model at LEP | We have examined the evidence for the electroweak radiative corrections in
the LEP precision data along with the intriguing possibility that the QED
corrections only may be sufficient to fit the data. We find that the situation
is very sensitive to the precise value of $M_W$. While the world average value
of $M_W$ stro... | 1994-03-31 | 2009-09-25 | [
"hep-ph"
] | Kyungsik Kang and Sin Kyu Kang |
hep-ph/9403403 | Deriving the Hard Thermal Loops of QCD from Classical Transport Theory | Classical transport theory is employed to analyze the hot quark-gluon plasma
at the leading order in the coupling constant. A condition on the (covariantly
conserved) color current is obtained. {}From this condition, the generating
functional of hard thermal loops with an arbitrary number of soft external
bosonic legs ... | 1994-03-31 | 2011-05-05 | [
"hep-ph",
"hep-th"
] | P.F. Kelly, Q. Liu, C. Lucchesi and C. Manuel |
hep-ph/9403398 | Flavour-Violating Charged Lepton Decays in Seesaw-Type Models | Analytic expressions of lepton-flavour- and lepton-number-violating decays of
charged leptons are derived in the context of general $SU(2)_L\otimes U(1)_Y$
seesaw scenarios that are motivated by grand unified theories (GUT's) or
superstring models, in which left-handed and/or right-handed neutral singlets
are present. ... | 1994-03-30 | 2009-10-28 | [
"hep-ph"
] | A. Ilakovac and A. Pilaftsis |
hep-ph/9403391 | Gauge Invariant Treatment of the Electroweak Phase Transition | We evaluate the gauge invariant effective potential for the composite field
$\sigma=2\Phi^{\dagger}\Phi$ in the SU(2)-Higgs model at finite temperature.
Symmetric and broken phases correspond to the domains $\sigma\leq T^2/3$ and
$\sigma > T^2/3$, respectively. The effective potential increases very steeply
at small va... | 1994-03-30 | 2009-09-25 | [
"hep-ph"
] | W. Buchmuller, Z. Fodor and A. Hebecker |
hep-ph/9403392 | On Axially Symmetric Solutions in the Electroweak Theory | We present the general ansatz, the energy density and the Chern-Simons charge
for static axially symmetric configurations in the bosonic sector of the
electroweak theory. Containing the sphaleron, the multisphalerons and the
sphaleron-antisphaleron pair at finite mixing angle, the ansatz further allows
the construction... | 1994-03-30 | 2010-11-19 | [
"hep-ph"
] | Yves Brihaye and Jutta Kunz |
hep-ph/9403390 | $K_{l4}$ - Decays Beyond One Loop | The matrix elements for $K\rightarrow \pi \pi \l \nu$ decays are described by
four form factors $F,G,H$ and $R$. We complete previous calculations by
evaluating $R$ at next-to-leading order in the low-energy expansion. We then
estimate higher order contributions using dispersion relations and determine
the low-energy c... | 1994-03-30 | 2009-09-25 | [
"hep-ph"
] | J. Bijnens, G. Colangelo and J. Gasser |
hep-ph/9403404 | Structural Vertices of Extended SU(3)-Chiral Lagrangians in the
Large-N_c Approach | The main goal of this paper is to elaborate the model-framework
parametrization of effective coupling constants of the extended chiral
lagrangian which is suitable for the description of the low-energy matrix
elements of vector, axial-vector, scalar and pseudoscalar currents as well as
of the matrix elements of the pse... | 1994-03-30 | 2009-10-28 | [
"hep-ph"
] | A. Andrianov, V. Andrianov and V. Yudichev |
hep-ph/9403396 | J/Psi Production from Electromagnetic Fragmentation in Z decay | The rate for $ Z^{0}\to J/ \psi + \ell^{+}\ell^{-} $ is suprisingly large
with about one event for every million $Z^{0}$ decays. The reason for this is
that there is a fragmentation contribution that is not suppressed by a factor
of $M^{2}_{\psi}/M^{2}_{Z}$. In the fragmentation limit $ M_{Z}\to\infty$ with
$E_{\psi}/M... | 1994-03-30 | 2009-10-28 | [
"hep-ph"
] | Sean Fleming |
hep-ph/9403402 | Structure of the Chiral Scalar Superfield in Ten Dimensions | We describe the tensors and spinor-tensors included in the $\theta$-expansion
of the ten-dimensional chiral scalar superfield. The product decompositions of
all the irreducible structures with $\theta$ and the $\theta^2$ tensor are
provided as a first step towards the obtention of a full tensor calculus for
the superfi... | 1994-03-30 | 2009-10-28 | [
"hep-ph"
] | P. S. Kwon and M. Villasante |
hep-ph/9403397 | Supersymmetric predictions for the inclusive $b\to s\gamma$ decay | We study the penguin induced transition $b\to s\ \gamma$ in the minimal N=1
supersymmetric extension of the Standard Model with radiative breaking of the
electroweak group. We include the effects of one-loop corrections to the Higgs
potential and scalar masses. We show that the present upper and lower
experimental limi... | 1994-03-30 | 2009-10-28 | [
"hep-ph"
] | Stefano Bertolini and Francesco Vissani |
hep-ph/9403395 | Cosmic Rays From Cosmic Strings | It has been speculated that cosmic string networks could produce ultra-high
energy cosmic rays as a by-product of their evolution. By making use of recent
work on the evolution of such networks, it will be shown that the flux of
cosmic rays from cosmologically useful, that is GUT scale strings, is too small
to be used ... | 1994-03-30 | 2014-11-17 | [
"hep-ph",
"astro-ph"
] | A.J. Gill and T.W.B. Kibble |
hep-ph/9403394 | Colour Correlations and Multiplicities in Top Events | In events of the type e+ e- -> t tbar -> b W+ bbar W-, particle production
could depend in a non-trivial way on the kinematics of the process. Energetic
perturbative gluon radiation can be generated (when kinematically allowed) by
the original t tbar system and by the t -> b W+ and tbar -> bbar W- decays,
with negligib... | 1994-03-30 | 2011-02-15 | [
"hep-ph"
] | Valery A. Khoze and Torbjorn Sjostrand |
hep-ph/9403401 | Gluon Fragmentation into P-wave Heavy Quarkonium | The fragmentation functions for gluons to split into P-wave heavy quarkonium
states are calculated to leading order in the QCD coupling constant.
Long-distance effects are factored into two nonperturbative parameters: the
derivative of the radial wavefunction at the origin and a second parameter
related to the probabil... | 1994-03-30 | 2013-11-13 | [
"hep-ph"
] | Eric Braaten and Tzu Chiang Yuan |
hep-ph/9403389 | CP violating polarizations in semileptonic heavy meson decays | We study the $T$-violating lepton transverse polarization ($P^\perp_l$) in
three body semileptonic heavy meson decays to pseudoscalar mesons and to vector
mesons. We calculate these polarizations in the heavy quark effective limit,
which simplifies the expressions considerably. After examining constraints from
$CP$ con... | 1994-03-30 | 2010-11-01 | [
"hep-ph"
] | Robert Garisto |
hep-ph/9403399 | Gauge invariance of massless QED | A simple general proof of gauge invariance in QED is given in the framework
of causal perturbation theory. It illustrates a method which can also be used
in non-abelian gauge theories. | 1994-03-30 | 2009-10-28 | [
"hep-ph",
"hep-th"
] | Michael Duetsch, Tobias Hurth, Guenter Scharf |
hep-ph/9403400 | Rigourous QCD Evaluation of Spectrum and Other Properties of Heavy
Quarkonium Systems; II Bottomium with n=2, l=0,1 | We calculate the Lamb, fine and hyperfine shifts in $b\bar b$ with $n=2$,
$l=0,1$. Radiative corrections as well as leading nonperturbative corrections
(known to be due to the gluon condensate) are taken into account. The
calculation is parameter-free, as we take $\Lambda$, ${\langle \alpha_s G^2
\rangle}$ from indepen... | 1994-03-30 | 2009-10-28 | [
"hep-ph"
] | S. Titard and F. J. Yndurain |
hep-ph/9403393 | gamma-gamma and gamma-p Events at High Energies | A real photon has a complicated nature, whereby it may remain unresolved or
fluctuate into a vector meson or a perturbative q-qbar pair. Based on this
picture, we previously presented a model for gamma-p events that is based on
the presence of three main event classes: direct, VMD and anomalous. In
gamma-gamma events, ... | 1994-03-30 | 2007-05-23 | [
"hep-ph"
] | Gerhard A. Schuler and Torbjorn Sjostrand |
hep-ph/9403382 | Measurement of the Branching Fraction for D^+ \to K^- \pi^+ \pi^+ | Using the CLEO-II detector at CESR we have measured the ratio of branching
fractions, ${\cal B}(D^+\rightarrow K^- \pi^+ \pi^+)/{\cal B}(D^0 \rightarrow
K^-\pi^+) = 2.35 \pm 0.16 \pm 0.16$. Our recent measurement of ${\cal B}(D^0
\rightarrow K^-\pi^+)$ then gives ${\cal B}(D^+\rightarrow K^- \pi^+ \pi^+) =
(9.3 \pm 0.6... | 1994-03-29 | 2012-08-27 | [
"hep-ph",
"hep-ex"
] | The CLEO collaboration |
hep-ph/9403388 | Confinement in Three Dimensions and the Electroweak Phase Transition | The infrared behaviour of the standard model at finite temperature is
determined by the confining phase of the SU(2)-Higgs model in three dimensions.
Due to the Landau singularity of the three-dimensional gauge theory the
perturbative treatment of the electroweak phase transition breaks down for
Higgs masses above a cr... | 1994-03-29 | 2009-10-28 | [
"hep-ph"
] | W. Buchmuller and Z. Fodor |
hep-ph/9403386 | Dependence of Electroweak Parameters on the Definition of the Top-Quark
Mass | The QCD corrections to electroweak parameters depend on the renormalization
scheme and scales used to define the top-quark mass. We analyze these
dependences for the W-boson mass predicted via Delta r to O(alpha alpha_s) and
O(alpha alpha_s^2) in the on-shell and MS-bar schemes. These variations provide
us with a hint ... | 1994-03-29 | 2015-06-25 | [
"hep-ph"
] | B.A. Kniehl (FNAL) |
hep-ph/9403383 | The next-to-leading QCD approximation to the Ellis-Jaffe sum rule | The \alpha_s^2 correction to the Ellis-Jaffe sum rule for the structure
function g_1 of polarized deep inelastic lepton-nucleon scattering is
calculated. | 1994-03-29 | 2009-10-28 | [
"hep-ph"
] | S.A. Larin |
hep-ph/9403385 | Short and Long Distance Effects in the Decay $\tau \to \pi \nu_\tau
(\gamma)$ | We calculate the radiative corrections to the decays $\tau\to M \nu_\tau$ and
$\pi \to l \nu_\l$, where the meson $M$ is $M=\pi$ or $K$ and the lepton $l$ is
$l = e$ or $\mu$. We perform a complete calculation, which includes internal
bremsstrahlung and structure dependent radiation in the radiative decays and
point me... | 1994-03-29 | 2009-10-28 | [
"hep-ph"
] | Roger Decker and Markus Finkemeier |
hep-ph/9403384 | Waiting for the Top Quark Mass, K^+ --> \pi^+ \nu \bar\nu,
B_s^0-\bar{B}_s^0 Mixing and CP Asymmetries in B-Decays | Anticipating improved determinations of m_t, |V_ub/V_cb|, B_K and F_B
\sqrt{B_B} in the next five years we make an excursion in the future in order
to find a possible picture of the unitarity triangle, of quark mixing and of
CP-violation around the year 2000. We then analyse what impact on this picture
will have the me... | 1994-03-29 | 2008-11-26 | [
"hep-ph"
] | A.J. Buras, M.E. Lautenbacher and G. Ostermaier |
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