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/9409225 | Higgs Boson Contributions to Neutrino Production in e-e+ Collisions in a
Left-Right Symmetric Model | In gauge models with bigger number of Higgs particles their couplings to
fermions are more complicated then in the standard model (SM). The influence of
the Higgs bosons exchange on the neutrino production cross section in $e^-e^+$
collision ($e^-e^+ \rightarrow \nu N$) is investigated. The study has been done
in the f... | 1994-09-05 | 2011-08-17 | [
"hep-ph"
] | J.Gluza & M.Zralek (Silesian University) |
hep-ph/9409226 | Some Prospects for the Determination of the Unitarity Triangle Before
the LHC Era | Anticipating improved determinations of $m_t$, $|V_{cb}|$, $|V_{ub}/V_{cb}|$,
$B_K$ and $F_B \sqrt{B_B}$ in the next five years we make an excursion into 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
thi... | 1994-09-05 | 2007-05-23 | [
"hep-ph"
] | M.E. Lautenbacher |
hep-ph/9409223 | New phenomena in the standard no-scale supergravity model | We revisit the no-scale mechanism in the context of the simplest no-scale
supergravity extension of the Standard Model. This model has the usual
five-dimensional parameter space plus an additional parameter $\xi_{3/2}\equiv
m_{3/2}/m_{1/2}$. We show how predictions of the model may be extracted over
the whole parameter... | 1994-09-05 | 2009-09-25 | [
"hep-ph"
] | S. Kelley, J. Lopez, D. Nanopoulos, and A. Zichichi |
hep-ph/9409227 | Singlet Charge $2/3$ Quark hiding the Top: Tevatron and LEP Implications | If $c$ and $t$ quarks are strongly mixed with a weak singlet charge $2/3$
quark, $BR(t\to \ell\nu + X)$ could be suppressed via the $t\to cH^0$ mode,
thereby the top quark could still hide below $M_W$, whereas the heavy quark
signal observed at the Tevatron is due to the dominantly singlet quark $Q$.
This may occur wit... | 1994-09-05 | 2009-10-28 | [
"hep-ph"
] | Wei-Shu Hou and Hsuan-Cheng Huang |
hep-ph/9409222 | QCD corrections to inclusive $\Delta S=1,2$ transitions | The talk summarises a calculation of the two-point functions for $\Delta S=1$
current-current and QCD-penguin operators, as well as for the $\Delta S=2$
operator, at the next-to-leading order. The size of the gluonic corrections to
current-current operators is large, providing a qualitative understanding of
the observe... | 1994-09-05 | 2009-10-28 | [
"hep-ph"
] | Matthias Jamin |
hep-ph/9409220 | Model independent determination of |Vub| in heavy meson effective thoery | We propose a strategy of the model-independent determination of the
Kobayashi-Maskawa matrix element $|V_{ub}|$ within the framework of the heavy
meson effective theory. The effective theory is model-independent, since no
assumption on the dynamics is introduced except for the symmetry of QCD.
Although the effective th... | 1994-09-05 | 2010-11-01 | [
"hep-ph"
] | Noriaki Kitazawa |
hep-ph/9409218 | Second-Order Scaling in the Two-Flavor QCD Chiral Transition | Scaling behavior is analyzed for the two-flavor QCD lattice gauge theory
chiral transition. Leading scaling behavior and correction to leading scaling
from lattice spacing effects are examined for the quark condensate. Scaling
predictions under the assumption of quark mass dominance are tested for the
longitudinal corr... | 1994-09-04 | 2009-10-28 | [
"hep-ph",
"hep-lat",
"hep-th"
] | Arjun Berera |
hep-ph/9409219 | High Density QCD and Entropy Production at Heavy Ion Colliders | The role of entropy production in the context of probing QCD properties at
high densities and finite temperatures in ultra-relativistic collisions of
heavy nuclei is inspected. It is argued that the entropy generated in these
reactions provides a powerful tool to investigate the space-time evolution and
the question wh... | 1994-09-04 | 2009-09-25 | [
"hep-ph"
] | Klaus Geiger |
hep-ph/9409215 | Implications of TeV Flavor Physics for the \Delta I =1/2 Rule and the
B-meson Semileptonic Branching Ratio | Two of the outstanding discrepancies between weak interaction phenomenology
and the standard model come in the large size of the $\Delta I={1\over 2}$
enhancement in $K$ decays and in the small value of the $B$ semileptonic
branching ratio. We argue that these discrepancies are naturally explained by
chromomagnetic dip... | 1994-09-03 | 2009-10-28 | [
"hep-ph"
] | Alexander L. Kagan |
hep-ph/9409217 | Comment on "The Phenomenology of a Nonstandard Higgs Boson in W_L W_L
Scattering" | We show that in Composite Higgs models, the coupling of the Higgs resonance
to a pair of $W$ bosons is weaker than the corresponding Standard Model
coupling, provided the Higgs arises from electroweak doublets only. This is
partly due to the effects of the nonlinear realization of the chiral symmetries
at the composite... | 1994-09-03 | 2009-10-28 | [
"hep-ph"
] | Dimitris Kominis and Vassilis Koulovassilopoulos |
hep-ph/9409213 | Finite Temperature Effective Potential for Spontaneously Broken $\lambda
\Phi^4$ Theory | We present a self-consistent calculation of the finite temperature effective
potential for $\lambda \Phi^4$ theory in four dimensions using a composite
operator effective action. We find that in a spontaneously broken theory not
only the so-called daisy and superdaisy graphs contribute to the
next-to-leading order ther... | 1994-09-02 | 2008-02-03 | [
"hep-ph"
] | Herbert Nachbagauer |
hep-ph/9409208 | Leptoproduction of Heavy Quarks in the Fixed and Variable Flavor Schemes | We compare the results of the fixed-flavor scheme calculation of Laenen,
Riemersma, Smith and van Neerven with the variable-flavor scheme calculation of
Aivazis, Collins, Olness and Tung for the case of neutral-current
(photon-mediated) heavy-flavor (charm and bottom) production. Specifically, we
examine the features o... | 1994-09-02 | 2011-01-25 | [
"hep-ph"
] | Fredrick I. Olness and Stephan T. Riemersma |
hep-ph/9409216 | Heavy Quark Hadronic Lagrangian for S-wave Quarkonium | We use Heavy Quark Effective Theory (HQET) techniques to parametrize certain
non-perturbative effects related to quantum fluctuations that put both heavy
quark and antiquark in quarkonium almost on shell.
The large off-shell momentum contributions are calculated using Coulomb type
states. The almost on-shell momentum... | 1994-09-02 | 2016-09-01 | [
"hep-ph"
] | A. Pineda and J. Soto |
hep-ph/9409212 | QCD Sum Rule Calculation of Twist-3 Contributions to Polarized Nucleon
Structure Functions | Using the framework of QCD sum rules we predict the twist-3 contribution to
the second moment of the polarized nucleon structure function $g_2(x)$. As the
relevant local operator depends explicitely on the gluon field, we employ a
recently studied interpolating nucleon current which contains three quark field
and one g... | 1994-09-02 | 2011-08-11 | [
"hep-ph"
] | E. Stein, P. Gornicki, L. Mankiewicz, A. Schaefer, W. Greiner |
hep-ph/9409209 | Formation Time Scales for Quarkonia in a Deconfining Medium | Production of heavy quark antiquark systems in high energy heavy ion
collisions must involve relativistic momentum components in a quantum
mechanical approach. If the color forces are screened in a deconfining medium,
one can define the analog of a formation or separation time by an overlap
integral in the nonrelativis... | 1994-09-02 | 2007-05-23 | [
"hep-ph"
] | R. L. Thews |
hep-ph/9409211 | An Analysis of Non-Oblique Corrections to the $Z b \bar b$ Vertex | We present a model--independent analysis of the $Z b \bar b$ vertex, with the
aim of constraining contributions of new physics to the left- and right--handed
couplings of the $b$. We find that the left--handed coupling of the $b$ is
quite narrowly constrained by present data, but that the right--handed coupling
is stil... | 1994-09-02 | 2007-05-23 | [
"hep-ph"
] | Tatsu Takeuchi, Aaron K. Grant and Jonathan L. Rosner |
hep-ph/9409210 | Leptoproduction of Heavy Quarks in the Fixed and Variable Flavor Schemes
(CONFERENCE Version) | We compare the results of the fixed-flavor scheme calculation of Laenen,
Riemersma, Smith and van Neerven with the variable-flavor scheme calculation of
Aivazis, Collins, Olness and Tung for neutral-current (photon-mediated)
heavy-flavor (charm and bottom) production. We compare the structure function
$F_2(x,Q^2)$ thro... | 1994-09-02 | 2007-05-23 | [
"hep-ph"
] | Fredrick I. Olness and Stephan T. Riemersma |
hep-ph/9409214 | Recent Progress in One-Loop Multi-Parton Calculations | We describe techniques that simplify the calculation of one-loop QCD
amplitudes with many external legs, which are needed for next-to-leading-order
(NLO) corrections to multi-jet processes. The constraints imposed by
perturbative unitarity, collinear singularities and a supersymmetry-inspired
organization of helicity a... | 1994-09-02 | 2010-11-15 | [
"hep-ph"
] | Z. Bern, L. Dixon, D.C. Dunbar and D.A. Kosower |
hep-ph/9409203 | New Metastable Charmonium and the $\psi '$ Anomaly at CDF | Production of metastable charmonium states more massive than the $\psi(3685)$
is expected in models and could be the source of up to $50\%$ of the $\psi$
observed at large $p_T$ at the Tevatron.Narrow $2^{-+},2^{--} c\bar{c}$ are
predicted at around 3.8GeV and radially excited $2^3P_{1,2}$ may also have
suppressed hadr... | 1994-09-01 | 2009-10-28 | [
"hep-ph"
] | Frank Close |
hep-ph/9409206 | CP violation in the two-Higgs-doublet model: an example | In a general two-scalar-doublet model without fermions, there is a unique
source of CP violation, $ J_1 $, in the gauge interactions of the scalars. It
arises in the mixing of the three neutral physical scalars $ X_1 $, $ X_2 $ and
$ X_3 $. CP violation may be observed via different decay rates for $ X_1
\rightarrow H^... | 1994-09-01 | 2010-11-01 | [
"hep-ph"
] | L. Lavoura (Carnegie-Mellon University) |
hep-ph/9409207 | Heavy Mesons in a Random Instanton Gas | We analyze the correlation function of a meson with one heavy and one light
quark in inverse powers of the heavy quark mass $m_Q$ using a succession of
Foldy-Wouthuysen-type transformations prior to radiative corrections. We
evaluate the correlator to order $m_Q^0$ in a random and dilute gas of
instantons, using the pl... | 1994-09-01 | 2010-11-01 | [
"hep-ph",
"hep-lat",
"hep-th"
] | S. Chernyshev, M. A. Nowak and I. Zahed |
hep-ph/9409201 | Quark-Lepton Unification and Rare Meson Decays | We study meson decays mediated by the heavy gauge bosons of the Pati-Salam
model of quark-lepton unification. We consider the scenarios in which the tau
lepton is associated with the third, second, and first generation of quarks.
The most sensitive probes, depending on the scenario, are rare K, pi, and B
decays. | 1994-09-01 | 2009-10-28 | [
"hep-ph"
] | G. Valencia and S. Willenbrock |
hep-ph/9409204 | From unpolarized to polarized quark distributions in the nucleon | Starting from Martin, Roberts and Stirling fit for unpolarized deep inelastic
structure functions and using the newest experimental data on spin asymmetries
we get a fit which provides polarized quark distributions. We analyze the
behaviour of such functions near $x$ equal to 1. The first moments of these
distributions... | 1994-09-01 | 2014-11-17 | [
"hep-ph"
] | J. Bartelski and S. Tatur |
hep-ph/9409202 | Kinetics of Bose-Condensation | The process of condensation in the system of scalar Bosons with weak $\lambda
\phi^4$ interaction is considered. Boltzmann kinetic equation is solved
numerically. Bose condensation proceeds in two stages: At the first stage
condensate is still absent but there is non-zero inflow of particles towards
$\vec{{\bf p}} = 0$... | 1994-09-01 | 2009-10-28 | [
"hep-ph",
"cond-mat"
] | D. Semikoz and I. Tkachev |
hep-ph/9408407 | Double charmed baryon production at B-factory | The cross-section for the double charmed baryon production at a $B$-factory
is estimated on the basis of the perturbative QCD calculations for the $c
c$-diquark production as well as of the quark-hadron duality. | 1994-09-01 | 2010-11-01 | [
"hep-ph"
] | V.V.Kiselev, A.K.Likhoded and M.V.Shevlyagin |
hep-ph/9409205 | Gluon Radiation Patterns in Pomeron Exchange Events | Color singlet two gluon exchange provides a perturbative model for the
pomeron. This mechanism is thought to explain the production of rapidity gaps
in hard dijet events at the Tevatron. It is shown that in $qQ$ scattering via
two gluon color singlet exchange the emission of soft gluons follows closely
the pattern foun... | 1994-09-01 | 2009-09-25 | [
"hep-ph"
] | D. Zeppenfeld |
hep-ph/9408406 | Signals For Supersymmetric Unification | Using the Yukawa couplings of the minimal supersymmetric SU(5) model, the
rates for $\mu \to e\gamma$, $\mu \to e$ conversion and $\tau \to \mu \gamma$
are computed. For a selectron mass of 100 GeV, and without exploring the full
parameter space, we find rates which are one order of magnitude beneath present
experiment... | 1994-09-01 | 2008-11-26 | [
"hep-ph"
] | R. Barbieri and L.J. Hall |
hep-ph/9408404 | Isospin Structure of Penguins And Their Consequences in $B$ Physics | Isospin structure of gluon mediated or strong penguin is significantly
altered when the full electroweak corrections are included. This has the
consequence that some previous analyses which relied on a simple isospin
structure in charmless $B$ decays become inapplicable. We present the general
Hamiltonian in next-to-le... | 1994-08-31 | 2010-11-01 | [
"hep-ph"
] | N.G. Deshpande and Xiao-Gang He |
hep-ph/9408401 | The determination of $|V_{cb}|$ from semileptonic inclusive decay rates | We report on the determination of $|V_{cb}|$ from the comparison of the
semileptonic inclusive decay rates of B-- and D--mesons using the heavy quark
symmetry of QCD. While the renormalization scale ambiguity does not allow for a
reliable estimate of the quark masses, it almost cancels in the prediction for
$|V_{cb}|$,... | 1994-08-31 | 2010-11-01 | [
"hep-ph"
] | U. Nierste |
hep-ph/9408399 | Dynamic Gluon Confinement in High Energy Processes within Effective QCD
Field Theory | An effective Lagrangian approach to describe the dynamics of confinement and
symmetry breaking in the process of quark-gluon to hadron conversion is
proposed. The deconfined quark and gluon degrees of freedom of the perturbative
QCD vacuum are coupled to color neutral condensate fields representing the
non-perturbative... | 1994-08-31 | 2007-05-23 | [
"hep-ph"
] | K. Geiger |
hep-ph/9408398 | Next-to-leading order short distance QCD corrections to the effective
$\Delta S = 2$ Hamiltonian, implications for the $K_L$-$K_S$ mass difference | We report on the results of a calculation of next-to leading order short
distance QCD corrections to the coefficient $\eta_1$ of the effective $\Delta S
= 2$ Lagrangian in the standard model and discuss the uncertainties inherent in
such a calculation. As a phenomenological application we comment on the
contributions o... | 1994-08-31 | 2009-10-28 | [
"hep-ph"
] | S. Herrlich |
hep-ph/9408403 | Skyrmions from a Born-Infeld Action | We consider a geometrically motivated Skyrme model based on a general
covariant kinetic term proposed originally by Born and Infeld. We introduce
this new term by generalizing the Born-Infeld action to a non-abelian $SU(2)$
gauge theory and by using the hidden gauge symmetry formalism. The static
properties of the Skyr... | 1994-08-31 | 2009-10-28 | [
"hep-ph"
] | B. Dion, L. Marleau and G. Simon |
hep-ph/9408400 | Structure Functions and Distributions in Semileptonic Tau Decays | Semileptonic decays of polarized $\tau$ leptons are investigated. The most
general angular distribution of three meson final states ($\tau\rightarrow
\pi\pi\nu,\,K\pi\nu,\, \pi\pi\pi\nu,\\ \,K\pi\pi\nu,\, KK\pi\nu,\, KKK\nu,\,
\eta\pi\pi\nu,\,\ldots{}$) is discussed. It is shown, that the most general
distribution can ... | 1994-08-31 | 2009-09-25 | [
"hep-ph"
] | J.H. K"uhn and E. Mirkes |
hep-ph/9408405 | QCD Potential Model for Light-heavy Quarkonia and the Heavy Quark
Effective Theory | We have investigated the spectra of light-heavy quarkonia with the use of a
quantum-chromodynamic potential model which is similar to that used earlier for
the heavy quarkonia. An essential feature of our treatment is the inclusion of
the one-loop radiative corrections to the quark-antiquark potential, which
contribute... | 1994-08-31 | 2007-05-23 | [
"hep-ph"
] | Suraj N. Gupta and James M. Johnson |
hep-ph/9408402 | Polarization Effects in Drell-Yan Type Processes h_1+h_2 ->
(W,Z,\gamma*,J/psi)+X | The measurement of the angular distribution of leptons from the decay of a
$W$, $Z$, $\gamma^{\ast}$, or $\Jpsi$ produced at high transverse momentum in
hadronic collisions provides a detailed test of the production and decay
mechanism of the spin one state. In the absence of cuts on the final state
leptons, the lepton... | 1994-08-31 | 2009-09-25 | [
"hep-ph"
] | E.Mirkes and J.Ohnemus |
hep-ph/9408390 | Reanalysis of the decay K_L -> pi0 e+ e- | The decay K_L -> pi0 e+ e- is being searched for as a signal of direct Delta
S = 1 CP violation. We provide a thorough updating of the analysis of the three
components of the decay: 1) Direct CP violation, 2) CP violation through the
mass matrix and 3) CP-conserving (two-photon) contributions. First the chiral
calculat... | 1994-08-30 | 2010-11-01 | [
"hep-ph"
] | John F. Donoghue and Fabrizio Gabbiani |
hep-ph/9408397 | Status of the Solar Neutrino Puzzle | Using the latest results from the solar neutrino experiments and a few
standard assumptions, I show that the popular solar models are ruled out at the
3$\sigma$ level or at least TWO of the experiments are incorrect.
Alternatively, one of the assumptions could be in error. These assumptions are
spelled out in detail as... | 1994-08-30 | 2008-11-26 | [
"hep-ph",
"astro-ph"
] | Stephen Parke |
hep-ph/9408396 | The Electromagnetic Pion Form Factor and Instantons | We calculate the electromagnetic pion form factor at intermediate space-like
momentum transfer from the QCD sum rule for the correlation function of two
{\it pseudoscalar } interpolating fields and the electromagnetic current. This
correlator receives essential contributions from direct ({\it i.e.}
small-scale) instant... | 1994-08-30 | 2009-10-28 | [
"hep-ph"
] | Hilmar Forkel and Marina Nielsen |
hep-ph/9408395 | Estimates of the higher-order QCD corrections: Theory and Applications | We consider the further development of the formalism of the estimates of
higher-order perturbative corrections in the Euclidean region, which is based
on the application of the scheme-invariant methods, namely the principle of
minimal sensitivity and the effective charges approach. We present the
estimates of the order... | 1994-08-30 | 2009-10-28 | [
"hep-ph"
] | A.L. Kataev and V.V. Starshenko |
hep-ph/9408392 | Amount of Antiprotons in Cosmic Rays due to Halo Neutralino Annihilation | We evaluate the antiproton--to--proton flux ratio which can be generated by
neutralino--neutralino annihilation in the galactic halo, considering the most
general compositions for the relic neutralinos and modelling the neutralino
local density according to its relic abundance. We find that in the case of
mixed neutral... | 1994-08-30 | 2014-11-17 | [
"hep-ph",
"astro-ph"
] | A.Bottino, C.Favero, N.Fornengo and G.Mignola |
hep-ph/9408384 | Dynamical Supersymmetry Breaking Simplified | We present a model in which supersymmetry is dynamically broken at
comparatively low energies. Previous efforts to construct simple models of this
sort have been hampered by the presence of axions. The present model, which
exploits an observation of Bagger, Poppitz and Randall to avoid this problem,
is far simpler than... | 1994-08-30 | 2019-08-17 | [
"hep-ph"
] | M. Dine, A.E. Nelson and Y. Shirman |
hep-ph/9408394 | Multiloop Calculations in QED by Superparticle Path Integrals | We use the worldline path integral approach to the Bern-Kosower formalism for
extending this formalism to the calculation of higher order corrections to N -
photon scattering. The case of the two-loop QED beta-function is considered in
detail. (Talk given by C. S. at the Workshop QCD 94, Montpellier, France, 7 -
13 Jul... | 1994-08-30 | 2009-10-28 | [
"hep-ph"
] | M.G. Schmidt and C. Schubert |
hep-ph/9408387 | Biased Discrete Symmetry Breaking and Fermi Balls | The spontaneous breaking of an approximate discrete symmetry is considered,
with the resulting protodomains of true and false vacuum being separated by
domain walls. Given a strong, symmetric Yukawa coupling of the real scalar
field to a generic fermion, the domain walls accumulate a gas of fermions,
which modify the d... | 1994-08-30 | 2014-11-17 | [
"hep-ph"
] | Alick L. Macpherson and Bruce A. Campbell |
hep-ph/9408388 | Spin Effects in High Energy Photon-Hadron Scattering in QCD | The spin effects at high energies and momenta transferred $|t|>1 GeV^2$ are
analysed for quark-photon scattering. The energy independence of the ratio of
spin-flip and spin-non-flip amplitudes in the same $\alpha_s$ order of QCD is
obtained. It is shown that the contribution of the spin-dependent quark-pomeron
vertex t... | 1994-08-30 | 2011-08-17 | [
"hep-ph"
] | S.V.Goloskokov and O.A.Listopadov |
hep-ph/9408393 | Principal-Value Resummation for Dilepton Production | We present a new method of resummation of QCD threshold distributions to the
hard scattering function of the dilepton production cross section in
hadron-hadron collisions. Our formulation by-passes the infrared singularities
of the QCD running coupling through a principal value prescription, and does
not require an exp... | 1994-08-30 | 2007-05-23 | [
"hep-ph"
] | H. Contopanagos, L. Alvero and G. Sterman |
hep-ph/9408389 | Exact Cancellation of Quadratic Divergences in Top Condensation Models | We discuss the hierarchy problem and the corresponding quadratic divergences
in the top mode Standard Model. Quadratic divergences appear at each order
1/N_c since fermionic and bosonic contributions are of different order 1/N_c.
It is shown that the full dynamical system to all orders in 1/N_c admits a
solution, where... | 1994-08-30 | 2009-10-28 | [
"hep-ph"
] | Andreas Blumhofer |
hep-ph/9408391 | Signals of Neutralino Dark Matter from Earth and Sun | We evaluate the fluxes of up--going muons detectable in a neutrino telescope
and due to the annihilation of relic neutralinos in the Earth and in the Sun,
taking realistically into account the fact that neutralinos might provide only
a fraction of the local (solar neighbourhood) dark matter (DM). We determine
the relat... | 1994-08-30 | 2011-05-23 | [
"hep-ph",
"astro-ph"
] | A.Bottino, N.Fornengo, G.Mignola and L.Moscoso |
hep-ph/9408386 | Where are the beryllium neutrinos? | We show that present experiments imply that neutrinos are nonstandard at the
87\% C.L., independently of solar or nuclear physics. Moreover, if neutrinos
are standard, the $^7$Be flux must be almost zero. Even if we arbitrarily
disregard one of the experiments, the neutrino flux must still be less than
half of the valu... | 1994-08-29 | 2011-01-04 | [
"hep-ph",
"astro-ph"
] | S. Degl'Innocenti, G. Fiorentini and M. Lissia |
hep-ph/9408383 | Projet: Jet Cross Sections in Deeply Inelastic Electron Proton
Scattering (VERSION 4.1) | PROJET is a parton level Monte Carlo program for the calculation of jet cross
sections in deeply inelastic electron proton scattering. In its present version
it contains the Born level diagrams for the production of (1+1), (2+1) and
(3+1) jets and the next-to-leading order corrections for the production cross
sections ... | 1994-08-29 | 2009-10-28 | [
"hep-ph"
] | Dirk Graudenz |
hep-ph/9408382 | Effects of new physics in the rare decays $B \to K \ell^+ \ell^-$ and $B
\to K^\ast \ell^+ \ell^-$ | We parametrize phenomenologically possible new physics effects and calculate
their influence on the invariant dilepton mass spectrum and the Dalitz plot for
the decays $B \to K \ell^+ \ell^-$ and $B \to K^\ast \ell^+ \ell^-$. Especially
the decay into $K^*$ yields a wealth of new information on the form of the new
inte... | 1994-08-29 | 2011-01-05 | [
"hep-ph"
] | C. Greub, A. Ioannissian and D. Wyler |
hep-ph/9408385 | Radiative Corrections to Nonleptonic Inclusive B Decays and the
Semileptonic Branching Ratio of B Mesons | We calculate the radiative corrections to the nonleptonic inclusive B decay
mode $b\to c ud$ taking into account the charm quark mass. The corrections
increase the decay rate by (4--8)\%, depending on the renormalization point.
Using these results, we obtain an improved theoretical prediction for the
semileptonic branc... | 1994-08-29 | 2009-10-28 | [
"hep-ph"
] | P. Ball |
hep-ph/9408381 | A Gauge Field Model On $SU(2)_L\times SU(2)_R\times U(1)_Y \times
\pi_4(G_{YM})$ | We construct a gauge field model based on $SU(2)_L\times SU(2)_R\times U(1)_Y
\times \pi_4(SU(2)_L\times SU(2)_R\times U(1)_Y) $ from the principle that both
the original gauge group $G_{YM}$ and the discrete group $\pi_4(G_{YM})$ should
be taken as gauge groups in the sense of non-commutative geometry. We show that
th... | 1994-08-28 | 2007-05-23 | [
"hep-ph"
] | Bin Chen, Han-Ying Guo and Hong-Bo Teng |
hep-ph/9408379 | Light Gluinos | Gluino and lightest neutralino masses are naturally less than a few GeV if
dimension-3 susy-breaking operators are absent from the low energy theory. In
this case gaugino masses come from loops and are calculable in terms of known
particle masses and two mass parameters, $\mu$ and $\tilde{m}$. The
phenomenology of such... | 1994-08-26 | 2008-02-03 | [
"hep-ph"
] | Glennys R. Farrar |
hep-ph/9408380 | More on ambiguities in the pole mass | The relation between the pole quark mass and the $\overline{MS}$-renormalized
mass is governed by an infrared renormalon singularity, which leads to an
ambiguity of order $\Lambda_{QCD}$ in the definition of the pole mass. We use
the renormalization group and heavy quark effective theory to determine the
exact nature o... | 1994-08-26 | 2009-10-28 | [
"hep-ph"
] | M. Beneke |
hep-ph/9408378 | Nucleon-Antinucleon Annihilation at the Open Charm Threshold | We discuss the $p\bar{p}$ annihilation into a pair of charmed $D$ mesons not
far from the threshold of the reaction. An interesting interference pattern in
the differential cross section is predicted to arise from the existence of both
$t$-channel charmed-baryon exchange and $s$-channel $\Psi^{''}$ charmonium
resonance... | 1994-08-26 | 2009-10-28 | [
"hep-ph"
] | B. Kerbikov and D. Kharzeev |
hep-ph/9408375 | The effect of new physics on R_b = \Gamma(Z->b bbar) /
\Gamma(Z->hadrons) | Motivated by the $\sim 2\sigma$ discrepancy between the experimental value
for $R_b$ and the theoretical prediction of the Standard Model, we examine the
effect of new physics on the $Z$-$b$-$\overline{b}$ vertex. Using general
results for both new scalars and gauge bosons, we show that two conditions must
be satisfied... | 1994-08-26 | 2009-10-28 | [
"hep-ph"
] | J. T. Liu and D. Ng |
hep-ph/9408377 | Small $x$ Contributions to the Structure Function $F_L(x,Q^2)$ | The gluon contributions to $F_L(x,Q^2)$ in ${\cal O}(\alpha_s)$ are
calculated taking into account the transverse momentum of the initial state
parton. In comparison with collinear factorization $F_L(x,Q^2)$, is not
affected at large $x$ but takes smaller values in the small $x$ range. The
onset of the $k_{\perp}$ effe... | 1994-08-26 | 2009-10-28 | [
"hep-ph"
] | Johannes Bl\"umlein |
hep-ph/9408376 | A fresh look into the heavy quark-mass values | Using the recent {\it world average} $\alpha_s(M^2_Z)= 0.118 \pm 0.006$, we
give the {\it first direct extraction} from the $\Psi$ and $\Upsilon$ data of
the values of the {\it running heavy quark masses} within QCD spectral sum
rules to two-loops in the $\overline {MS}$-scheme: $\mr_b(M^{PT2}_b)$ =
$(4.23~^{+0.03}_{-0... | 1994-08-26 | 2011-01-27 | [
"hep-ph",
"hep-lat"
] | S. Narison |
hep-ph/9408370 | Uncertainties from Long Range Effects in $B \to K^* \gamma | We reconsider the `long-range' component of the radiative transition $B \to
K^* \gamma$. A careful analysis of the vector dominance amplitude $B \to V_1
V_2 \to V_1 \gamma$ is carried out, with emphasis on the role of gauge
invariance. The procedure for incorporating phenomenological $B\to V_1 V_2$
data is identified a... | 1994-08-25 | 2009-10-28 | [
"hep-ph"
] | Eugene Golowich and Sandip Pakvasa |
hep-ph/9408372 | Anomalous Charm Production at Large $x_{F}$ | We show that the new QCD production mechanisms which were proposed by S. J.
Brodsky, P. Hoyer, A. H. Mueller and the author can explain at least some of
the anomalous behavior of open and/or closed charm production at large $x_{F}$. | 1994-08-25 | 2009-09-25 | [
"hep-ph"
] | W.-K. Tang |
hep-ph/9408371 | Polarization as a Probe to the Production Mechanisms of Charmonium in
$\pi N$ Collisions | Measurements of the polarization of $\jp$ produced in pion-nucleus collisions
are in disagreement with leading twist QCD prediction where $\jp$ is observed
to have negligible polarization whereas theory predicts substantial
polarization. We argue that this discrepancy cannot be due to poorly known
structure functions n... | 1994-08-25 | 2009-09-25 | [
"hep-ph"
] | W.-K. Tang, S. J. Brodsky, M. V\"anttinen and P. Hoyer |
hep-ph/9408374 | Pion Observables and QCD | The nonperturbative, Dyson-Schwinger equation approach to solving QCD
provides a straightforward, microscopic description of dynamical chiral
symmetry breaking and confinement. It is an ideal tool for the study of pion
observables. This is illustrated via its application to the calculation of: the
$\pi$-$\pi$ scatterin... | 1994-08-25 | 2009-10-28 | [
"hep-ph",
"nucl-th"
] | Craig D. Roberts |
hep-ph/9408369 | Baryon Number Transport in a Cosmic QCD-Phase Transition | We investigate the transport of baryon number across phase boundaries in a
putative first order QCD-phase transition. Two independent phenomenological
models are employed to estimate the baryon penetrability at the phase boundary:
chromoelectric flux tube models; and an analogy to baryon-baryon coalescence in
nuclear p... | 1994-08-25 | 2009-09-25 | [
"hep-ph"
] | K. Jedamzik and G.M. Fuller |
hep-ph/9408373 | Feasibility of Extracting V_td from Radiative B(B_s) Decays | We use existing measurements of $D^-\to K^{\ast0}\rho^-$ and $B\to
\psi+K^\ast$, coupled with flavor independence of QCD, and with vector meson
dominance to show that long distance contributions to $B\to \rho +\gamma$ are
potentially very serious. We note that long distance (LD) contributions can be
appreciably differe... | 1994-08-25 | 2010-11-11 | [
"hep-ph"
] | D. Atwood, B. Blok and A. Soni |
hep-ph/9408368 | An Effective Chiral Meson Lagrangian at $O(P^6)$ from the NJL Model | In this work we present a strong chiral meson Lagrangian up to and including
$O(p^6)$ in the momentum expansion. It is derived from the Nambu--Jona-Lasinio
(NJL) model using the heat-kernel method. Identities related to the properties
of covariant derivatives of the chiral matrix $U$ as well as field
transformations ha... | 1994-08-25 | 2007-05-23 | [
"hep-ph"
] | A.A.Bel'kov, A.V.Lanyov, A.Schaale, S.Scherer |
hep-ph/9408366 | Order $\alpha_s^{2}$ contributions to the Drell-Yan cross section at
fixed target energies | {}From the literature one infers that the bulk of the order $\alpha_{s}$
corrections to the Drell-Yan cross sections $d\sigma/dm$ and
$m^{3}d^{2}\sigma/dmdx_{F}$ is constituted by the soft plus virtual gluon part
of the coefficient function. In the case of $d\sigma/dm$ it can be shown that
at fixed target energies the ... | 1994-08-25 | 2009-10-28 | [
"hep-ph"
] | P.J. Rijken and W.L. van Neerven |
hep-ph/9408367 | Heavy Sterile Neutrinos and Neutrinoless Double Beta Decay | We investigate the possibility of producing neutrinoless double beta decay
without having an electron neutrino with a mass in the vicinity of 1 eV. We do
so by having a much lighter electron neutrino mix with a much heavier (m > 1
GeV) sterile neutrino. We study the constraints on the masses and mixings of
such heavy s... | 1994-08-25 | 2009-10-28 | [
"hep-ph"
] | P. Bamert, C.P. Burgess and R.N. Mohapatra |
hep-ph/9408364 | New Universality of Baryon Isgur--Wise Form Factor in the Large $N_c$
limit | New universality appears for the baryon Isgur--Wise form factor in the large
$N_c$ limit. It is found that the semileptonic $\Lambda_b \rightarrow
\Lambda_c$ and $\Sigma_b^{(*)} \rightarrow \Sigma^{(*)}_c$ decays are described
by the same form factor, which can be calculated analytically. In the exact
chiral $SU(3)$ li... | 1994-08-25 | 2009-10-28 | [
"hep-ph"
] | Chi-Keung Chow |
hep-ph/9408365 | SMATASY - A program for the model independent description of the Z
resonance | SMATASY is an interface for the ZFITTER package and may be used for the model
independent description of the Z resonance at LEP 1 and SLC. It allows the
determination of the Z mass and width and its resonance shape parameters r and
j for cross-sections and their asymmetries. The r describes the peak height and
j the in... | 1994-08-25 | 2009-10-28 | [
"hep-ph"
] | S. Kirsch, T. Riemann |
hep-ph/9408361 | Single Spin Asymmetry of Vector Meson Production as a Probe of Asymmetry
of Parton Scattering | Azimuthal asymmetry of vector-meson production in single-transversely
polarized proton-proton collisions ($p\up p$) is calculated in the string model
of particle production. The asymmetry is generated only during fragmentation of
a high-energy quark into hadrons. The obtained asymmetry of the $\rho^\pm$ is
opposite in ... | 1994-08-24 | 2009-09-25 | [
"hep-ph"
] | J. Czyzewski |
hep-ph/9408362 | Dips in Partial Wave Amplitudes from Final State Interactions | We consider the dip-peak structures in the J=0 partial wave amplitudes for
processes $\gamma\gamma\rightarrow W^+W^-~
\mbox{and}~\gamma\gamma,gg\rightarrow t\overline{t}$ taking into account the
corresponding Born term process and the rescattering process where the
intermediate state is rescattered through the exchange... | 1994-08-24 | 2009-10-28 | [
"hep-ph"
] | Charles B. Chiu and Duane A. Dicus |
hep-ph/9408359 | Determination of Fundamental Supersymmetry Parameters from Chargino
Production at Lepii | If accessible at LEP II, chargino production is likely to be one of the few
available supersymmetric signals for many years. We consider the prospects for
the determination of fundamental supersymmetry parameters in such a scenario.
The study is complicated by the dependence of observables on a large number of
these pa... | 1994-08-24 | 2009-12-30 | [
"hep-ph"
] | Jonathan L. Feng and Matthew J. Strassler |
hep-ph/9408360 | Lambda(1405) in the Bound State Soliton Model | The strong and electromagnetic properties of the Lambda(1405) hyperon are
studied in the framework of the bound state soliton model. We explicitly
evaluate the strong coupling constant g(Lambda^*-N-K), the Lambda^* magnetic
moment, mean square radii and radiative decay amplitudes. The results are shown
to be in general... | 1994-08-24 | 2009-10-28 | [
"hep-ph"
] | C.L. Schat, N.N. Scoccola and C. Gobbi |
hep-ph/9408358 | Phenomenological Determination of the Beauty Meson Decay Parameter $f_B$
and the CP-Violating Angle $\delta$ | We fit the ${\cal CKM}$-matrix to all recent data with the following free
parameters: three mixing angles, the CP-violating angle $\delta$ in the Maiani
parametrisation, the top quark mass $m_t$, and the product $f_B{\cal
B}_{\B}^{1/2}$, where $f_B$ is the $B$-meson decay parameter and ${\cal
B}_{\B}$ is the bag parame... | 1994-08-24 | 2010-11-01 | [
"hep-ph"
] | J.Maalampi and M. Roos |
hep-ph/9408363 | Polarised parton distributions | We analyze spin dependent parton distributions consistent with the most
recent measurements of the spin dependent deep inelastic scattering structure
functions and obtained in the framework of the spin dilution model. Predictions
for the doubly polarised proton-proton Drell-Yan asymmetry, for the high
$p_{T}$ photon pr... | 1994-08-24 | 2009-10-28 | [
"hep-ph"
] | D.de Florian, L.N.Epele, H.Fanchiotti, C.A.Garcia Canal, R.Sassot |
hep-ph/9408357 | New solution for dynamical symmetry breaking with top and bottom quark
condensates | Starting from a general $\rm SU_2\times U_1$ invariant interaction Lagrangian
${\cal L}_{\rm int}$ with four-fermion interactions between top $t$ and bottom
$b$ quarks and working in the bubble approximation, we get a single Higgs as a
bound state of quark pairs by allowing both $\langle \bar tt\rangle$ and
$\langle\ba... | 1994-08-23 | 2007-05-23 | [
"hep-ph"
] | Bernice Durand and Tu Zhang |
hep-ph/9408356 | Chiral Dynamics, Deconfinement and Thermal Dileptons | We show that in a hot hadron gas, chiral symmetry restoration and
deconfinement lead to a strong suppression of dilepton production by pion
annihilation in the continuum above the $\rho-\omega-\phi$ peak. The
suppression due to deconfinement persists also for annihilation reactions
involving heavier mesons. | 1994-08-23 | 2009-10-28 | [
"hep-ph"
] | D. Kharzeev and H. Satz |
hep-ph/9408355 | Connected Green function approach to ground state symmetry breaking in
$\Phi^4_{1+1}$-theory | Using the cluster expansions for n-point Green functions we derive a closed
set of dynamical equations of motion for connected equal-time Green functions
by neglecting all connected functions higher than $4^{th}$ order for the
$\lambda \Phi^4$-theory in $1+1$ dimensions. We apply the equations to the
investigation of s... | 1994-08-23 | 2009-10-28 | [
"hep-ph"
] | J.M. Haeuser, W. Cassing, A. Peter and M.H. Thoma |
hep-ph/9408352 | Gluon fragmentation into polarized charmonium | Gluon fragmentation to $\chicJ(1P)$ followed by single photon emission
represents the dominant source of prompt $J/\Psi$'s at the Tevatron for
$p_\perp \gtap 6 \GeV$. Since fragmenting gluons are approximately transverse,
their products are significantly polarized. We find that gluon fragmentation
populates the helicit... | 1994-08-23 | 2010-01-06 | [
"hep-ph"
] | Peter Cho, Sandip Trivedi and Mark Wise |
hep-ph/9408354 | Spin Structure Function $g_2$ and Twist-3 Operators in QCD | We investigate the spin structure function $g_2 (x, Q^2 )$ in the framework
of the operator product expansion and the renormalization group. The twist-3
operators appearing in QCD are examined and their relations are studied. It is
noted that operators proportional to equation of motion appear in the operator
mixing th... | 1994-08-23 | 2009-10-28 | [
"hep-ph"
] | Jiro KODAIRA, Tsuneo UEMATSU and Yoshiaki Yasui |
hep-ph/9408351 | Recalculation of QCD Corrections to $b \to s \gamma$ Decay | We give a more complete calculation of $b \to s\gamma $ decay, including
leading log QCD corrections from $m_{top}$ to $M_W$ in addition to corrections
from $M_{W}$ to $m_b$. We have included the full set of dimension-6 operators
and corrected numerical mistakes of anomalous dimensions in a previous
paper\cite{Cho}. Co... | 1994-08-23 | 2009-10-28 | [
"hep-ph"
] | Chong-Shong Gao, Jing-Liang Hu, Cai-Dian Lu, Zhao-Ming Qiu |
hep-ph/9408353 | More on the Burkhardt-Cottingham Sum Rule in QCD | The QCD higher order effects to the polarized structure function $g_2(x, Q^2
)$ are reanalyzed for massive quarks in the context of the operator product
expansion. We confirm that the lowest moment of $g_2 (x, Q^2 )$ which
corresponds to the Burkhardt-Cottingham sum rule does {\sl not} suffer from
radiative corrections... | 1994-08-23 | 2009-10-28 | [
"hep-ph"
] | Jiro Kodaira, Satoshi Matsuda, Tsuneo Uematsu and Ken Sasaki |
hep-ph/9408337 | Threshold Multiparticle Amplitudes in Phi^4 Theories at Large N | I review some recent work on the problem of multiparticle production in a
phi^4-theory with an O(N) symmetry. Threshold amplitudes with fixed number of
produced particles are exactly calculated at large-N to all loops and vanish on
mass shell for 2->n when n>2 due to a dynamical symmetry. I consider an
extension to the... | 1994-08-22 | 2007-05-23 | [
"hep-ph",
"hep-th"
] | Yu. Makeenko |
hep-ph/9408338 | Heavy Quarkonium in the dual Ginzburg-Landau theory of QCD | We study the masses and the leptonic decay widths of heavy quarkonium in the
dual Ginzburg-Landau (DGL) theory of QCD, in which the abelian monopole
condensation plays an essential role for color confinement. The effect of color
screening due to the light quark pair creation is introduced by the infrared
momentum cutof... | 1994-08-22 | 2015-06-25 | [
"hep-ph"
] | Katsuhiko Suzuki and Hiroshi Toki |
hep-ph/9408348 | Exact Sum Rules at Finite Temperature and Chemical Potential and their
Application to QCD | Within the framework of the operator product expansion (OPE) and the
renormalization group equation (RGE), we show that the temperature and chemical
potential dependence of the zeroth moment of a spectral function (SF) in an
asymptotically free theory is completely determined by the one-loop structure
of the theory. Th... | 1994-08-22 | 2007-05-23 | [
"hep-ph",
"hep-lat",
"nucl-th"
] | S. Huang and M. Lissia |
hep-ph/9408343 | Estimate of Quantum corrections to the Mass of the Chiral Soliton in the
Nambu--Jona--Lasinio Model | The Bethe--Salpeter equation for pion fluctuations off the chiral soliton in
the Nambu--Jona--Lasinio model is constructed. By Goldstone's theorem this
equation has rotational and translational zero modes because the classical
soliton is a localized stationary field configuration which violates rotational
and translati... | 1994-08-22 | 2009-09-25 | [
"hep-ph"
] | H. Weigel, R. Alkofer and H. Reinhardt |
hep-ph/9408347 | Dimensional Reduction for Fermions | We generalize the concept of dimensional reduction to operators involving
fermion fields in high temperature field theories. It is found that the
ultraviolet behavior of the running coupling constant plays a crucial role. The
general concept is illustrated explicitly in the Gross-Neveu model. | 1994-08-22 | 2007-05-23 | [
"hep-ph",
"hep-lat",
"nucl-th"
] | S. Huang and M. Lissia |
hep-ph/9408342 | Higher-Order Lipatov Kernels and the QCD Pomeron | Three closely related topics are covered. The derivation of $O(g^4)$ Lipatov
kernels in pure glue QCD. The significance of quarks for the physical Pomeron
in QCD. The possible inter-relation of Pomeron dynamics with Electroweak
symmetry breaking. | 1994-08-22 | 2009-09-25 | [
"hep-ph"
] | Alan R. White |
hep-ph/9408349 | Status of the Standard Model | The standard model of electroweak interactions is reviewed, stressing the top
quark's impact on precision tests and on determination of parameters of the
Cabibbo-Kobayashi-Maskawa (CKM) matrix. Some opportunities for the study of CP
violation in the decays of $b$-flavored mesons are mentioned, and the
possibility of a ... | 1994-08-22 | 2009-09-25 | [
"hep-ph"
] | J. Rosner (University of Chicago) |
hep-ph/9408339 | Electroweak Baryogenesis from a Classical Force | We describe a new effect which produces baryons at a first order electroweak
phase transition. It operates when there is a CP-violating field present on
propagating bubble walls. The novel aspect is that it involves a purely
classical force, which alters the motion of particles across the wall and
through diffusion cre... | 1994-08-22 | 2010-11-01 | [
"hep-ph"
] | Michael Joyce, Tomislav Prokopec, and Neil Turok |
hep-ph/9408344 | The LPM effect in QCD and Radiative energy loss in a quark-gluon plasma | The non-abelian analog of the Landau-Pomeranchuk-Migdal effect is
investigated in perturbative QCD. Extending our previous studies, the
suppression of induced soft bremsstrahlung due to multiple scatterings of
quarks in the spinor representation is considered. The effective formation time
of gluon radiation due to the ... | 1994-08-22 | 2009-10-09 | [
"hep-ph",
"nucl-th"
] | Xin-Nian Wang, Miklos Gyulassy and Michael Pl\"umer |
hep-ph/9408340 | Diffractive Photoproduction of Jets with a Direct Pomeron Coupling at
HERA | We investigate in detail the effect of a direct pomeron coupling to quarks on
the production of jets in $ep$ scattering with almost real photons. Jet
production via a direct pomeron coupling is compared with the resolved--pomeron
mechanism. We consider both direct and resolved photoproduction. Rapidity and
transverse m... | 1994-08-22 | 2011-07-19 | [
"hep-ph"
] | B.A. Kniehl, H.-G. Kohrs and G. Kramer |
hep-ph/9408350 | Infrared effects and the asymptotics of perturbation theory in weak
decays of heavy particles | I discuss the interplay of infrared sensitivity in large order perturbative
expansions with the presence of explicit nonperturbative corrections in the
context of heavy quark expansions. The main focus is on inclusive decays and
the status of the kinetic energy of the heavy quark. This talk summarizes work
done with Br... | 1994-08-22 | 2010-11-01 | [
"hep-ph"
] | M.Beneke |
hep-ph/9408345 | Experimental consequences of one-parameter no-scale supergravity models | We consider the experimental predictions of two {\em one-parameter} no-scale
$SU(5)\times U(1)$ supergravity models with string-inspired moduli and dilaton
seeds of supersymmetry breaking. These predictions have been considerably
sharpened with the new information on the top-quark mass from the Tevatron, and
the actual... | 1994-08-22 | 2009-08-25 | [
"hep-ph"
] | J. Lopez, D. Nanopoulos, and A. Zichichi |
hep-ph/9408341 | Renormalization of four-quark operators, effective theory, and the role
of evanescent operators | We present, in the context of dimensional regularization, a prescription to
renormalize Feynman diagrams with an arbitrary number of external fermions.
This prescription, which is based on the original t'Hooft-Veltman proposal to
keep external particles in four dimensions, is particularly useful to define
the 'renormal... | 1994-08-22 | 2009-10-28 | [
"hep-ph"
] | Kassa Adel and York-Peng Yao |
hep-ph/9408346 | Extension of the Chiral Perturbation Theory Meson Lagrangian to Order
$P^6$ | We have derived the most general chirally invariant Lagrangian ${\cal L}_6$
for the meson sector at order $p^6$. The result provides an extension of the
standard Gasser-Leutwyler Lagrangian ${\cal L}_4$ to one higher order,
including as well all the odd intrinsic parity terms in the Lagrangian. The
most difficult part ... | 1994-08-22 | 2009-10-28 | [
"hep-ph",
"hep-th",
"nucl-th"
] | H. W. Fearing and S. Scherer |
hep-ph/9408335 | SUSY QCD Corrections to the t-->H+b Decay | In this talk I present the contribution of gluinos and scalar quarks to the
decay rate of the top quark into a charged Higgs boson and a bottom quark
within the minimal supersymmetric standard model, including the mixing of the
scalar partners of the left- and right-handed top quark. | 1994-08-21 | 2009-09-25 | [
"hep-ph"
] | Heinz K\"onig |
hep-ph/9408333 | Custodial nonabelian gauge symmetries in realistic superstring derived
models | A well known problem in supersymmetric models is the presence of, lepton and
baryon number violating, dimension four operators. The traditional R parity
solution may not be suitable if one tries to incorporate supersymmetry into a
Planck scale theory. I propose a different solution in the context of realistic
string mo... | 1994-08-21 | 2009-10-28 | [
"hep-ph",
"hep-th"
] | Alon E. Faraggi |
hep-ph/9408332 | Implications of the Top Quark Mass Measurement for the CKM Parameters,
$x_s$ and CP Asymmetries | Motivated by the recent determination of the top quark mass by the CDF
collaboration, $\mt =174 \pm 10 ^{+13}_{-12}$ GeV, we review and update the
constraints on the parameters of the quark flavour mixing matrix $V_{CKM}$ in
the standard model. In performing our fits, we use inputs from the measurements
of the followin... | 1994-08-21 | 2010-11-01 | [
"hep-ph"
] | A. Ali and D. London |
hep-ph/9408334 | SUSY Contributions to the Z--->3 Photon Decay | In this talk I comment on the contributions of all three types of particles
(scalars, fermions and bosons) to the three--photon Z decay within the standard
model (SM) and its extensions to the 2 Higgs doublet model (2 HDM) and the
minimal supersymmetric extension of the standard model (MSSM). I also comment
briefly on ... | 1994-08-21 | 2007-05-23 | [
"hep-ph"
] | Heinz Konig |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.