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 |
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hep-ph/9309326 | Relation between $\sin^2\hat{\theta}_W(m_Z)$ and
$\sin^2\theta_{eff}^{lep}$ | The relation between $\sef$, frequently employed in LEP analyses, and the
$\rm{\overline{MS}}$--parameter $\scr$ is discussed and their difference
evaluated by means of an explicit calculation. | 1993-09-27 | 2009-12-30 | [
"hep-ph"
] | P. Gambino and A. Sirlin |
hep-ph/9309325 | New Physics Effects on CP Violation in $B$ Decays | We review new physics effects on CP violation in B decays. We describe the
Standard Model predictions for the various types of CP asymmetries and discuss
the theoretical cleanliness of these predictions. We point out the ingredients
in the analysis that are most sensitive to new physics and deduce the type of
new physi... | 1993-09-26 | 2007-05-23 | [
"hep-ph"
] | Yosef Nir |
hep-ph/9309324 | Vector boson Pair Production at Supercolliders; useful approximate
helicity amplitudes | We study vector boson pair production at $LHC$ and $SSC$, taking into account
the effects generated by the anomalous vector boson and Higgs couplings induced
by the operators ${\cal O}_W$ and ${\cal O}_{UW}$, which are the only dim=6
operators preserving $SU(2)_c$. These operators lead to enhanced production of
transve... | 1993-09-25 | 2019-08-17 | [
"hep-ph"
] | J. Layssac, F.M. Renard, G. Gounaris |
hep-ph/9309323 | On the Distribution of Neutral and Charged Pions through the Production
of a Classical Pion Field | High energy reactions may produce a state around the collision point that is
best described by a classical pion field. Such a field might be an isospin
rotated vacuum of the chiral $\sigma$-model or, as discussed in this work, a
solution of the equations of motion resultinng from the coupling of fields of
this model to... | 1993-09-24 | 2011-02-01 | [
"hep-ph"
] | A. A. Anselm and Myron Bander |
hep-ph/9309322 | Probing Three-Boson Anomalous Couplings in $e^+e^-\to W^+W^-$ at Future
Linear $e^+e^-$ Colliders with Polarized Beams | We study the potential of the next-generation $e^+ e^-$ linear colliders with
longitudinally polarized beams, to restrict the values of the anomalous
trilinear couplings $WW\gamma$ and $WWZ$ from the measurement of the process
$e^+ e^-\to W^+ W^-$. Along with initial $e^+e^-$ polarization, we account also
for the possi... | 1993-09-24 | 2009-09-25 | [
"hep-ph"
] | A.A.Likhoded, A.A.Pankov, N.Paver, M.V.Shevlyagin and O.P.Yushchenko |
hep-ph/9309321 | Chiral Lagrangian with higher resonances and flavour $ SU(3) $ breaking | A chiral Lagrangian with $ SU(3) $ breaking and higher resonances is
proposed. In this model, the $ SU(3) $ breaking structure in
vector-pseudoscalar sector is realized with the decay constants of pseudoscalar
mesons and the masses of vector mesons used as inputs. We examine whether the
resulting $ SU(3) $ breaking eff... | 1993-09-24 | 2017-02-01 | [
"hep-ph"
] | M.Hayakawa, T.Kurimoto and A.I.Sanda |
hep-ph/9309320 | Inhomogeneous Field Configurations and the Electroweak Phase Transition | We investigate the effects of inhomogeneous scalar field configurations on
the electroweak phase transition. For this purpose we calculate the leading
perturbative correction to the wave function correction term $Z(\vph,T)$, i.e.,
the kinetic term in the effective action, for the electroweak Standard Model at
finite te... | 1993-09-24 | 2009-10-22 | [
"hep-ph"
] | Dirk-Uwe Jungnickel and Dirk Walliser |
hep-ph/9309318 | Electroweak Physics at Current Accelerators and the Supercollider | The activities of the Electroweak Physics Working Group are summarized. Three
main issues are addressed: 1) prospects for measuring the $W$ mass at the
Tevatron using the inclusive electron energy spectrum, 2) constraining the
strange quark distribution function in $W$ + charm production, and 3)
possibilities to determ... | 1993-09-23 | 2007-05-23 | [
"hep-ph"
] | U. Baur |
hep-ph/9309319 | Topics in String Phenomenology | We consider two questions in string ``phenomenology.''
First, are there any generic string predictions? Second, are there any
general lessons which string theory suggests for thinking about low energy
models, particularly in the framework of supersymmetry? Among the topics we
consider are the squark and slepton spect... | 1993-09-23 | 2007-05-23 | [
"hep-ph"
] | Michael Dine |
hep-ph/9309316 | Stability of Neutrinos in the Singlet Majoron Model | We show that there is no one-loop enhancement of the rate for a light
neutrino to decay into a lighter neutrino plus a majoron, contrary to a recent
claim. Thus the light neutrinos must satisfy the cosmological bound of having
masses less than 35 eV in the singlet majoron model, or else violate the
constraint imposed b... | 1993-09-23 | 2009-10-22 | [
"hep-ph",
"astro-ph"
] | James M. Cline, Kimmo Kainulainen and Sonia Paban |
hep-ph/9309315 | Summary of the Extensions of the Standard Model Working Group | We summarize the results of the extended gauge group working group of the
Madison-Argonne Workshop on Present and Future Colliders. Contributions are
described on the previously unexamined two photon fusion production of heavy
leptons, new studies of $Z'$ couplings to $\nu \bar{\nu}$ and $q\bar{q}$, and
previously unex... | 1993-09-23 | 2007-05-23 | [
"hep-ph"
] | Stephen Godfrey (Carleton University) and T. G. Rizzo (Argonne
National Lab) |
hep-ph/9309314 | Pion Compton Scattering in Perturbative QCD | Pion Compton scattering is studied in perturbative QCD for real and
space--like initial photons. Different methods for the convolution of the hard
amplitude with the pion wave--functions, which have in the past led to
conflicting results, are compared. | 1993-09-23 | 2009-10-22 | [
"hep-ph"
] | E. Maina and R. Torasso |
hep-ph/9309313 | New Supersymmetric Electroweak Gauge Model with Natural Baryon-Number
Conservation | Baryon number (B) is automatically conserved in the standard SU(2) X U(1)
electroweak gauge model, but not in its supersymmetric extension where it must
be imposed as an extra condition. This undesirable feature is avoided in the
conventional left-right supersymmetric extension, but then flavor-changing
neutral current... | 1993-09-23 | 2009-10-22 | [
"hep-ph"
] | Ernest Ma |
hep-ph/9309317 | Physics of Polarized pp Collisions | I will summarize the physics that can be investigated with polarized pp
collisions. It is technically feasible to use the RHIC collider for
accelerating highly polarized protons to a center-of-mass energy of about 400
GeV, with high luminosity. Such collisions can be used to probe the
spin-dependence of hard collisions... | 1993-09-23 | 2007-05-23 | [
"hep-ph"
] | John C. Collins |
hep-ph/9309311 | QCD improved estimates to rare B-Decays at the heavy b-quark limit | The renormalization effects from the b-quark scale down to the
non-perturbative QCD regime are studied for rare $B$-decays at the heavy
b-quark limit. Phenomenological consequences of these effects are investigated.
We find that the anomalous scaling behavior plays a positive role in making
non-perturbative model calcu... | 1993-09-22 | 2007-05-23 | [
"hep-ph"
] | Dongsheng Liu |
hep-ph/9309312 | Discrete Gauge Symmetries in Supersymmetric Grand Unified Models | We investigate the presence of discrete gauge symmetries in Grand Unification
models based in $SO(10)$ and $E_6$. These models include {\it flipped} and {\it
unflipped} $SU(5)$, $SU(4)\!\times\! SU(2)_L\!\times\! SU(2)_R$,
$SU(3)_C\!\times\! SU(3)_L\!\times\! SU(3)_R$, and $SU(6)\!\times\! SU(2)$.
Using the Dynkin form... | 1993-09-22 | 2009-10-22 | [
"hep-ph"
] | M. De Montigny (McGill Univ.) and M. Masip (Univ. of Florida) |
hep-ph/9309310 | Model independent constraints on leptoquarks from rare processes | We present model independent constraints on the masses and couplings to
fermions of $B$ and $L$ conserving leptoquarks. Such vector or scalar particles
could have masses below 100 GeV and be produced at HERA; we list the generation
dependent bounds that can be calculated from rare lepton and meson decays,
meson-anti-me... | 1993-09-22 | 2008-11-26 | [
"hep-ph"
] | Sacha Davidson, David Bailey, Bruce A. Campbell |
hep-ph/9309303 | Search for Flavoured Multiquarks in a Simple Bag Model | We use a bag model to study flavoured mesonic $(Qq\bar q\bar q)$ and baryonic
$({\overline Q}qqqq)$ states, where one heavy quark $Q$ is associated with
light quarks or antiquarks, and search for possible stable multiquarks. No
bound state is found. However some states lie not too high above their
dissociation threshol... | 1993-09-21 | 2016-04-26 | [
"hep-ph"
] | S. Zouzou (Universit\'e de Constantine, Alg\'erie) and J.-M. Richard
(Institut des Sciences Nucl\'eaires, Grenoble) |
hep-ph/9309300 | Effective Lagrangian Approach to the Fermion Mass Problem | An effective theory is proposed, combining the standard gauge group
$SU(3)_{C}\otimes SU(2)_{L}\otimes U(1)_{Y}$ with a horizontal discrete
symmetry. By assigning appropriate charges under this discrete symmetry to the
various fermion fields and to (at least) two Higgs doublets, the broad spread
of the fermion mass and... | 1993-09-21 | 2009-10-22 | [
"hep-ph"
] | D. S. Shaw and R. R. Volkas |
hep-ph/9309307 | Oblique Corrections To The W Width | The lowest-order expression for the partial $W$ width to $e \nu ,~\Gamma (W
\to e \nu) = G_\mu M_W^3 /(6 \pi \sqrt{2})$, has no oblique radiative
corrections from new physics if the measured $W$ mass is used. Here $G_\mu =
(1.16639 \pm 0.00002) \times 10^{-5}$ GeV/$c^2$ is the muon decay constant. For
the present value... | 1993-09-21 | 2009-10-22 | [
"hep-ph"
] | Jonathan L. Rosner and Mihir P. Worah (Enrico Fermi Institute and
Department of Physics, University of Chicago) and Tatsu Takeuchi (Fermilab) |
hep-ph/9309304 | Calculating the Bound on the Light Higgs Mass in General SUSY Models | In the Minimal Supersymmetric Standard Model (MSSM) the existence of an upper
bound on the mass of the $CP=+1$ lightest Higgs boson, equal to $m_Z$ at
tree--level and $\simlt 120\ GeV$ after the inclusion of radiative corrections,
has important phenomenological consequences for Higgs searches. A similar
bound, independ... | 1993-09-21 | 2007-05-23 | [
"hep-ph"
] | J.R.Espinosa |
hep-ph/9309302 | Order \alpha^4 R_{\infty} corrections to positronium P levels | The order $\alpha^4 R_{\infty}$ corrections to positronium $P$ levels are
found. The calculation is reduced to the ordinary perturbation theory for the
nonrelativistic Schr\"odinger equation. The perturbation operators have the
Breit-type structure and are obtained by calculating on-mass-shell diagrams.
Found energy co... | 1993-09-21 | 2008-02-03 | [
"hep-ph"
] | I.B. Khriplovich, A.I. Milstein, and A.S. Yelkhovsky |
hep-ph/9309308 | Observable Consequences of a Scalar Boson Coupled only to Neutrinos | We have examined the consequences of assuming the existence of a light scalar
boson, weakly coupled to neutrinos, and not coupled to any other light
fermions. For a range of parameters, we find that this hypothesis leads to the
development of neutrino clusters which form in the early Universe and which
provide gravitat... | 1993-09-21 | 2007-05-23 | [
"hep-ph",
"astro-ph",
"nucl-th"
] | G. J. Stephenson Jr. and T. Goldman |
hep-ph/9309301 | Resonant and Non-Resonant Pieces of the $D\rightarrow \bar{K}\pi$
Semileptonic Transition Amplitude | We compare the resonant and non-resonant contributions in various regions of
phase space for the $D\rightarrow \bar{K}\p$ semileptonic transition amplitude,
computed in a chiral model which incorporates the heavy quark symmetry. Remarks
on the significance for experiment and for chiral perturbation theory are made.
hep... | 1993-09-21 | 2011-07-19 | [
"hep-ph"
] | J. Schechter, A. Subbaraman and S. Surya |
hep-ph/9309305 | Bound State Soliton Description of Low Partial Wave Octet Baryon
Resonances | A version of the bound state soliton model which allows both $\eta$ and $K$
bound states is used to study low partial wave octet baryon resonances. It is
found that negative parity $S-$wave resonances are well described within this
framework. A possible interpretation of the $P-$wave resonances is also
discussed. | 1993-09-21 | 2011-07-19 | [
"hep-ph"
] | C. Gobbi and N.N. Scoccola |
hep-ph/9309309 | B--Physics in Hadron Colliders | The possibility of exploring the systematics of the spectroscopy, strong
dynamics, and the weak and rare decay modes of b--quark systems at hadron
colliders such as Fermilab, LHC and SSC, is discussed. A copious yield of
$10^{10}$ detected $B$--mesons is readily accessible in a dedicated Fermilab
program, and implies a... | 1993-09-21 | 2016-10-26 | [
"hep-ph"
] | Christopher T. Hill |
hep-ph/9309306 | More on Symmetries in Heavy Quark Effective Theory | We present a general classification of all normal and ``chiral" symmetries of
heavy quark effective theories. Some peculiarities and conondrums associated
with the ``chiral" symmetries are discussed. | 1993-09-21 | 2009-10-22 | [
"hep-ph"
] | Ashok Das and V. S. Mathur |
hep-ph/9309292 | The Central Temperature of the Sun can be Measured via the $^7$Be Solar
Neutrino Line | A precise test of the theory of stellar evolution can be performed by
measuring the difference in average energy between the neutrino line produced
by ${\rm ^7Be}$ electron capture in the solar interior and the corresponding
neutrino line produced in a terrestrial laboratory. The high temperatures in
the center of the ... | 1993-09-20 | 2009-10-22 | [
"hep-ph",
"astro-ph",
"nucl-th"
] | John N. Bahcall |
hep-ph/9309297 | Effective Fermion Models in Symmetry-Breaking Phase and Quantum
Chromodynamics | In our lecture we discuss the fermion models with quasilocal interaction
implemented by derivatives and a momentum cutoff as substitutes of QCD at low
energies. They are investigated in the strong coupling regime when several
coupling constants are matched to their critical values. It is found that
around polycritical ... | 1993-09-20 | 2007-05-23 | [
"hep-ph"
] | Alexandr Andrianov and Vladimir Andrianov |
hep-ph/9309298 | Electroweak gauge bosons self--energies: complete QCD corrections | We present the (two--loop) QCD corrections to the longitudinal and transverse
components of the electroweak gauge bosons self--energies for arbitrary
momentum transfer and for different internal quark masses. Compact formulae for
both the real and imaginary parts are given in the general case as well as in
some physica... | 1993-09-20 | 2014-11-17 | [
"hep-ph"
] | A. Djouadi and P. Gambino |
hep-ph/9309296 | The Effect of Supersymmetric Particles on b -> s \gamma Decay in
Supergravity Models | The effect of loops involving charginos with up-type squarks, and gluinos
with down-type squarks, on the inclusive decay mode $b\rightarrow s\gamma$ is
studied in the context of minimal $N=1$ Supergravity models with a radiatively
broken electroweak symmetry group. It is confirmed that the strong constraints
imposed by... | 1993-09-20 | 2007-05-23 | [
"hep-ph"
] | Marco Aurelio Diaz |
hep-ph/9309294 | Higgs Bosons at the Fermilab Tevatron | The Wjj background has increased by 70%. This decreases the significance of
the WH signal somewhat. The significance of the ZH signal remains about the
same. | 1993-09-20 | 2009-10-22 | [
"hep-ph"
] | A. Stange, W. Marciano and S. Willenbrock |
hep-ph/9309295 | Violation Of The $\Delta I = 1/2$ Rule In $D \to \pi\pi$ Decays | A strong violation of the $\displaystyle{\Delta I = {1\over 2}} $ rule has
experimentally been found in the $\displaystyle{D \to \pi\pi}$ decays [1]. In
this letter we will show that the order of magnitude of this violation can be
understood in terms of the pure quantum chromo dynamics corrections to the weak
interacti... | 1993-09-20 | 2009-10-22 | [
"hep-ph"
] | Francesco Sannino |
hep-ph/9309291 | Theoretical Approaches to $B \to K^* \gamma$ | We describe two recent theoretical calculations of the $B \to K^* \gamma$
decay. The first method is based on an effective lagrangian incorporating
chiral symmetry for the light degrees of freedom and the heavy quark
spin-flavor symmetries for the heavy quarks. Using these symmetries, together
with the hypothesis of po... | 1993-09-20 | 2007-05-23 | [
"hep-ph"
] | G. Nardulli |
hep-ph/9309299 | R Symmetry Breaking Versus Supersymmetry Breaking | We point out a connection between R symmetry and \susy\ breaking. We show
that the existence of an R symmetry is a necessary condition for \susy\
breaking and a spontaneously broken R symmetry is a sufficient condition
provided two conditions are satisfied. These conditions are: {\it genericity},
\ie\ the effective Lag... | 1993-09-20 | 2009-09-15 | [
"hep-ph",
"hep-th"
] | Ann E. Nelson and Nathan Seiberg |
hep-ph/9309293 | Infrared Fixed Point Solution for the Top Quark Mass and Unification of
Couplings in the MSSM | We analyze the implications of the infrared quasi fixed point solution for
the top quark mass in the Minimal Supersymmetric Standard Model. This solution
could explain in a natural way the relatively large value of the top quark mass
and, if confirmed experimentally, may be suggestive of the onset of
nonperturbative ph... | 1993-09-20 | 2008-11-26 | [
"hep-ph"
] | W.A. Bardeen, M. Carena, S. Pokorski and C.E.M. Wagner |
hep-ph/9309290 | Large--order behavior of non--decoupling effects and triviality | We compute some non--decoupling effects in the standard model, such as the
$\rho$ parameter, to all orders in the coupling constant expansion. We analyze
their large order behavior and explicitly show how it is related to the
non--perturbative cutoff dependence of these non--decoupling effects due to the
triviality of ... | 1993-09-20 | 2009-12-30 | [
"hep-ph"
] | Kenichiro Aoki |
hep-ph/9309289 | Computing Quark and Gluon Distribution Functions for Very Large Nuclei | We argue that the distribution functions for quarks and gluons are computable
at small x for sufficiently large nuclei, perhaps larger than can be physically
realized. For such nuclei, we argue that weak coupling methods may be used. We
show that the computation of the distribution functions can be recast as a many
bod... | 1993-09-19 | 2011-05-05 | [
"hep-ph",
"nucl-th"
] | Larry McLerran and Raju Venugopalan |
hep-ph/9309288 | New Bounds on Leptoquarks | We show that FCNC processes are unavoidable for leptoquarks that couple to
left handed quarks, and derive new FCNC bounds from neutral meson mixing.
Despite being induced only at one loop, these processes lead to significant
bounds since the leptoquark contributions do not suffer from GIM cancellations.
Studying the im... | 1993-09-19 | 2007-05-23 | [
"hep-ph"
] | Miriam Leurer (Weizmann Institute) |
hep-ph/9309286 | Can Stop be Light Enough ? | \def\nle{{\stackrel{<}{\sim}}} We examine a possibility for existence of a
light supersymmetric partner of the top quark (stop) with mass 15 $\sim$ 20 GeV
in the framework of the minimal supergravity GUT model. Such light stop could
explain the slight excess of the high $p_{T}$ cross section of the
$D^{*\pm}$-meson pro... | 1993-09-18 | 2009-10-22 | [
"hep-ph"
] | Tadashi Kon and Toshihiko Nonaka |
hep-ph/9309287 | Muonium Hyperfine Structure and the Decay $ \mu ^+\to e^+ +\overline \nu
_e +\nu _{\mu}$ in Models with Dilepton Gauge Bosons | We examine the muonium ($\mu ^+e^-$)-antimuonium ($\mu ^-e^+$) system in the
models which accomodate the dilepton gauge bosons, and study their
contributions to the ground state hyperfine splitting in ``muonium''. We also
consider the exotic muon decay $\mu ^+\to e^+ +\overline \nu _e +\nu _{\mu}$
mediated by the dilep... | 1993-09-18 | 2010-11-01 | [
"hep-ph"
] | H.Fujii, Y.Mimura, K.Sasaki and T.Sasaki |
hep-ph/9309281 | Threshold Effects And Perturbative Unification | We discuss the effect of the renormalization procedure in the computation of
the unification point for running coupling constants. We explore the effects of
threshold--crossing on the $\beta$--functions. We compute the running of the
coupling constants of the Standard Model, between $m_Z$ and $M_P$, using a mass
depend... | 1993-09-17 | 2016-08-14 | [
"hep-ph"
] | M. Bastero-Gil (1), V. Man\'ias (2), J. P\'erez-Mercader (1)
((1)Laboratorio de Astrof\'isica Espacial y F\'isica Fundamental, Madrid,
Spain; (2) Departamento de F\'isica, Facultad de C. Exactas, UNLP C.C. 67,
1900 La Plata, Argentina) |
hep-ph/9309284 | Generalized Relativistic Meson Wave Function | We study the most general, relativistic, constituent $q{\overline q}$ meson
wave function within a new covariant framework. We find that by including a
tensor wave function component, a pure valence quark model is now capable of
reproducing not only all static pion data ($f_\pi$, $\langle r_\pi^2 \rangle$)
but also the... | 1993-09-17 | 2009-10-22 | [
"hep-ph"
] | A. Szczepaniak, C-R. Ji, and S. R. Cotanch |
hep-ph/9309280 | Scaling Violation in the Fragmentation Functions in e+e- Annihilation | A determination of the hadronic fragmentation functions of the Z-boson is
presented from a study of the inclusive hadron production wit the DELPHI
detector at LEP. These fragmentation functions were compared with the ones at
lower energies, thus covering data in a large kinematic range:
196 <= Q^2 <= 8312 GeV^2 and x... | 1993-09-17 | 2016-09-01 | [
"hep-ph"
] | W. de Boer and T. Kussmaul, IEKP Karlsruhe |
hep-ph/9309279 | Light Quark Energy Distribution in Heavy Quark Symmetry | Using heavy quark symmetry we construct an energy sum rule relating the form
factor of a heavy flavored meson $\xi(w)$ to the light quark energy
distribution. We find that the current available data for $\xi(w)$ is
consistent with a broad energy distribution rather than with that of a pure
quark/anti-quark bound state,... | 1993-09-17 | 2007-05-23 | [
"hep-ph"
] | A. Szczepaniak, C-R. Ji, and S.R. Cotanch |
hep-ph/9309278 | An $O(3)$ Global Anomaly in 0+1 Dimension | We present a simple exactly solvable quantum mechanical example of the global
anomaly in an $O(3)$ model with an odd number of fermionic triplets coupled to
a gauge field on a circle. Because the fundamental group is non-trivial, $\pi_1
(O(3)) ={\bf Z}_2$, fermionic level crossing or circling occur in the
eigenvalue sp... | 1993-09-17 | 2019-08-17 | [
"hep-ph"
] | Minos Axenides, Andrei Johansen and Holger Bech Nielsen |
hep-ph/9309283 | Determining the Penguin Effect on CP Violation in $B^0 \rightarrow \pi^+
\pi^-$ | A major goal in B physics is measuring the CP-violating asymmetry in the
decay $B^0 \rightarrow \pi^+ \pi^-$. In order to determine one of the phase
angles in the CKM matrix from this decay it is necessary to determine the
influence of the penguin amplitude. Here we show how, using $SU(3)$ symmetry,
the penguin effect ... | 1993-09-17 | 2010-01-06 | [
"hep-ph"
] | Joao P. Silva and L. Wolfenstein |
hep-ph/9309285 | Evidence for Color Fluctuations in Hadrons from Coherent Nuclear
Diffraction} | A QCD-based treatment of projectile size fluctuations is used to compute
inelastic diffractive cross sections $\sigma_{diff}$ for coherent
hadron-nuclear processes. We find that fluctuations near the average size give
the major contribution to the cross section with $ \le few \%$ contribution
from small size configurat... | 1993-09-17 | 2009-10-22 | [
"hep-ph",
"nucl-th"
] | L. Frankfurt (Tel Aviv University, Ramat Aviv, Israe)l, G.A. Miller
(Department of Physics, FM-15, University of Washington, Seattle, Washington,
USA) and M. Strikman (Department of Physics, Pennsylvania State University,
University Park, PA, USA) |
hep-ph/9309282 | Covariant Variable Front Quark Model | We study the implications of Lorentz symmetry for hadronic structure by
formulating a manifestly covariant constituent quark model and find full
covariance for any Lorentz transformation requires utilizing a variable
quantization surface. Even though time-reversal invariance mandates a unique
orientation for the surfac... | 1993-09-17 | 2007-05-23 | [
"hep-ph"
] | A. Szczepaniak, C-R. Ji, and S.R. Cotanch |
hep-ph/9309276 | Pion Form Factors at Intermediate Momentum Transfer in a Covariant
Approach | We study the pion electromagnetic and $\gamma^* + \pi^0 \to \gamma$
transition form factors at intermediate momentum transfer. We calculate soft,
nonperturbative corrections to the leading perturbative amplitudes which arise
from the $q\bar q$-component of the pion wave function. We work in Minkowski
space and use a Lo... | 1993-09-16 | 2010-03-04 | [
"hep-ph"
] | A. Szczepaniak and A.G. Williams |
hep-ph/9309273 | Is Heavy Quark Axion Necessarily Hadronic Axion? | We show that heavy quark axion is not necessarily a hadronic axion, which
manifests in the quark and lepton seesaw mechanism. We introduce a heavy
$SU(2)$ singlet fermion for each known fermion in order to unify the axion
scale and the seesaw scale. The light quarks and leptons gain their masses by
the seesaw mechanism... | 1993-09-16 | 2009-12-30 | [
"hep-ph"
] | Sanghyeon Chang and Jihn E. Kim |
hep-ph/9309277 | Supersymmetry and Supergravity: Phenomenology and Grand Unification | A survey is given of supersymmetry and supergravity and their phenomenology.
Some of the topics discussed are the basic ideas of global supersymmetry, the
minimal supersymmetric Standard Model (MSSM) and its phenomenology, the basic
ideas of local supersymmetry (supergravity), grand unification, supersymmetry
breaking ... | 1993-09-16 | 2007-05-23 | [
"hep-ph"
] | R. Arnowitt and Pran Nath |
hep-ph/9309274 | Fermion Doubling and a Natural Solution of the Strong CP Problem | We suggest the fermion doubling for all quarks and leptons. It is a
generalization of the neutrino doubling of the seesaw mechanism. The new quarks
and leptons are $SU(2)$ singlets and carry the electromagnetic charges of their
lighter counterparts. An $SU(3)$ {\it anomaly free global symmetry} or a
discrete symmetry c... | 1993-09-16 | 2010-11-01 | [
"hep-ph"
] | Sanghyeon Chang and Jihn E. Kim |
hep-ph/9309275 | The $\tau$ neutrino as a Majorana particle | A Majorana mass term for the $\tau$ neutrino would induce neutrino -
antineutrino mixing and thereby a process which violates fermion number by two
units. We study the possibility of distinguishing between a massive Majorana
and a Dirac $\tau$ neutrino, by measuring fermion number violating processes in
a deep inelasti... | 1993-09-16 | 2008-11-26 | [
"hep-ph"
] | M. Carena, B. Lampe and C.E.M. Wagner |
hep-ph/9309270 | Subleading Heavy Quark Effects in a Nonrelativistic Quark Model | I present a very simple model, based on the model of Isgur, Scora, Grinstein
and Wise \cite{ISGW}, which can be used to calculate the effects which appear
at subleading order in heavy quark effective theory. I include both general
formalism and specific results. The formalism transparently reproduces the
results of hea... | 1993-09-15 | 2009-10-22 | [
"hep-ph"
] | James F. Amundson |
hep-ph/9309272 | The Decay $B\to\pi\ell\nu$ in Heavy Quark Effective Theory | We present a systematic analysis of the $B^{(*)}\to\pi\,\ell\,\nu$ weak decay
form factors to order $1/m_b$ in the heavy quark effective theory, including a
discussion of renormalization group effects. These processes are described by a
set of ten universal functions (two at leading order, and eight at order
$1/m_b$), ... | 1993-09-15 | 2010-11-01 | [
"hep-ph"
] | Gustavo Burdman, Zoltan Ligeti, Matthias Neubert, and Yosef Nir |
hep-ph/9309269 | Effective Lagrangian Approach to Electroweak Baryogenesis: Higgs mass
limit and Electric dipole moments of fermion | A natural solution to the hierachy problem of the standard model is to assume
new physics to appear at the TeV scale. We parametrize the effects of this new
physics in terms of an effective lagrangian and examine its impacts on
electroweak baryogenesis. We point out that with such an effective lagrangian
successful ele... | 1993-09-15 | 2009-10-22 | [
"hep-ph"
] | X. Zhang and B.-L. Young |
hep-ph/9309264 | Criticality, Fractality and Intermittency in Strong Interactions | Assuming a second-order phase transition for the hadronization process, we
attempt to associate intermittency patterns in high-energy hadronic collisions
to fractal structures in configuration space and corresponding intermittency
indices to the isothermal critical exponent at the transition temperature. In
this approa... | 1993-09-15 | 2009-10-22 | [
"hep-ph"
] | N.G.Antoniou, F.K.Diakonos, I.S.Mistakidis and C.G.Papadopoulos |
hep-ph/9309271 | Review of Z' Physics at Future Colliders | We present recent developments in the diagnostic study of heavy gauge bosons
at future colliders with the emphasis on the determination of gauge couplings
of $Z'$ to quarks and leptons. Proposed diagnostic probes at future hadron
colliders are discussed. The study of statistical uncertainties expected for
the above pro... | 1993-09-15 | 2007-05-23 | [
"hep-ph"
] | M. Cvetic, F. del Aguila, and P. Langacker |
hep-ph/9309268 | The standard model at low energies | The hadronic sector of the standard model at low energies is described by a
non--decoupling effective field theory, chiral perturbation theory. An
introduction is given to the construction of effective chiral Lagrangians, both
in the purely mesonic sector and with inclusion of baryons. The connection
between the relati... | 1993-09-15 | 2011-04-15 | [
"hep-ph"
] | G. Ecker |
hep-ph/9309267 | Relativistic Two-Body Bound-State Calculations Beyond the Ladder
Approximation | In this work the Feynman-Schwinger representation for the two-body Greens
function is studied. After having given a brief introduction to the formalism,
we report on the first calculations based on this formalism. In order to
demonstrate the validity of the method, we consider the static case where the
mass of one of t... | 1993-09-15 | 2007-05-23 | [
"hep-ph"
] | Taco Nieuwenhuis, J. A. Tjon and Yu. A. Simonov |
hep-ph/9309265 | Quark and Pole Models of Nonleptonic Decays of Charmed Baryons | Quark and pole models of nonleptonic decays of charmed baryons are analysed
from the point of view of their symmetry properties. The symmetry structure of
the parity conserving amplitudes that corresponds to the contribution of the
ground-state intermediate baryons is shown to differ from the one hitherto
employed in t... | 1993-09-15 | 2009-10-22 | [
"hep-ph"
] | P.Zenczykowski |
hep-ph/9309266 | A Comprehensive Study of Leptoquark Bounds | We make a comprehensive study of indirect bounds on scalar leptoquarks that
couple chirally and diagonally to the first generation by examining available
data from low energy experiments as well as from high energy e+ e- and p pbar
accelerators. The strongest bounds turn out to arise from low energy data: For
leptoquar... | 1993-09-15 | 2008-11-26 | [
"hep-ph"
] | Miriam Leurer (Weizmann Institute) |
hep-ph/9309260 | Leptonic Decay Constants of Charm and Beauty Mesons in QCD: An Update | An update is given of the determination of leptonic decay constants of charm
and beauty mesons in the framework of relativistic Hilbert moments and Laplace
transform QCD sum rules. | 1993-09-14 | 2007-05-23 | [
"hep-ph"
] | C. A. Dominguez |
hep-ph/9309262 | Making the small oblique parameters large | We compute the oblique parameters, including the three new parameters $ V $,
$ W $ and $ X $ introduced recently by the Montreal group, for the case of one
scalar multiplet of arbitrary weak isospin $ J $ and weak hypercharge $ Y $. We
show that, when the masses of the heaviest and lightest components of the
multiplet ... | 1993-09-14 | 2009-10-22 | [
"hep-ph"
] | L. Lavoura and Ling-Fong Li |
hep-ph/9309263 | Dynamical chiral symmetry breaking and confinement with an
infrared-vanishing gluon propagator? | We study a model Dyson-Schwinger equation for the quark propagator closed
using an {\it Ansatz} for the gluon propagator of the form \mbox{$D(q) \sim
q^2/[(q^2)^2 + b^4]$} and two {\it Ans\"{a}tze} for the quark-gluon vertex: the
minimal Ball-Chiu and the modified form suggested by Curtis and Pennington.
Using the quar... | 1993-09-14 | 2010-03-04 | [
"hep-ph",
"nucl-th"
] | Frederick T. Hawes, Craig D. Roberts and Anthony G. Williams |
hep-ph/9309259 | Phenomenology of Multi-W Processes in Cosmic Rays | We report on a study of the potential of various cosmic ray physics
experiments to search for Standard Model processes involving the
nonperturbative production of O(30) weak gauge bosons. Whereas present and
near-future experiments are insensitive to proton-induced processes,
neutrino-induced processes give rise to pro... | 1993-09-14 | 2007-05-23 | [
"hep-ph"
] | D.A. Morris and A. Ringwald |
hep-ph/9309261 | Existence of Double Vortex Solutions | We show analytically and numerically the existence of double vortex solutions
in two-Higgs systems. These solutions are generalizations of the \no vortices
and exist for all values of the parameters in the Lagrangians considered.
We derive analytically the asymptotic behavior of the solutions and confirm
it numerical... | 1993-09-14 | 2009-10-22 | [
"hep-ph",
"astro-ph"
] | Leandros Perivolaropoulos (Harvard-Smithsonian CfA) |
hep-ph/9309258 | Planck-Scale Unification and Dynamical Symmetry Breaking | We explore the possibility of unification of gauge couplings near the Planck
scale in models of extended technicolor. We observe that models of the form G X
SU(3)_c X SU(2)_L X U(1)_Y cannot be realized, due to the presence of massless
neutral Goldstone bosons (axions) and light charged pseudo-Goldstone bosons;
thus, u... | 1993-09-13 | 2013-11-13 | [
"hep-ph"
] | Joseph D. Lykken and Scott Willenbrock |
hep-ph/9309257 | High Temperature Phase Transitions without Infrared Divergences | Resubmitted due to LATEXing problems | 1993-09-13 | 2011-04-15 | [
"hep-ph"
] | N. Tetradis and C. Wetterich |
hep-ph/9309256 | Star Integrals and Unbiased Estimators | We review in brief the development and implementation of the Star integral, a
tool yielding measurements of correlations much superior to conventional
methods. A version for use in pion interferometry is explained. We also show
how effects of non-poissonian overall multiplicity distributions may be
eliminated if desire... | 1993-09-12 | 2007-05-23 | [
"hep-ph"
] | H.C. Eggers and P. Lipa |
hep-ph/9309255 | Photoproduction Cross Sections at HERA Energies | We show that photoproduction cross sections recently measured by ZEUS and H-1
at HERA energies$^1$ are in agreement with our earlier prediction based on
high-energy hadronic structure of the photon in the QCD minijet-type model$^2$.
We present results of an improved calculation of the photoproduction cross
section, in ... | 1993-09-11 | 2007-05-23 | [
"hep-ph"
] | L. Durand, K. Honjo, R. Gandhi, H. Pi and I. Sarcevic |
hep-ph/9309254 | On-shell Supersymmetry Anomalies and the Spontaneous Breaking of Gauge
Symmetry | A search for supersymmetry anomalies requires an examination of the BRS
cohomology of supersymmetric Yang-Mills coupled to chiral matter, and the
physically interesting (on-shell) anomalies are those which cannot be
eliminated using the equations of motion. An analysis of this cohomology
problem shows that the simplest... | 1993-09-10 | 2007-05-23 | [
"hep-ph",
"hep-th"
] | J. A. Dixon |
hep-ph/9309252 | Testing Supergravity Grand Unification at Future Accelerator and
Underground Experiments | The full parameter space of supergravity grand unified theory with $SU(5)$
type $p \rightarrow \bar{\nu} K$ proton decay is analysed using renormalization
group induced electroweak symmetry breaking under the restrictions that the
universal scalar mass $m_o$ and gluino mass are $\leq 1$ TeV (no extreme fine
tuning) and... | 1993-09-10 | 2008-11-26 | [
"hep-ph"
] | R. Arnowitt and Pran Nath |
hep-ph/9309253 | Braaten-Pisarski Action, Disoriented Chiral Condensate, and Chiral
Symmetry Non-Restoration | The QCD effective action at high T shows a manifest global chiral symmetry.
And calculations show that the order parameter \psibarpsi vanishes above T_c.
It has been popular to refer to this T_c as chiral symmetry restoration
temperature because it fits into our prejudice that chiral symmetry is like an
`ordered' state... | 1993-09-10 | 2007-05-23 | [
"hep-ph"
] | Ngee-Pong Chang |
hep-ph/9309250 | Collider Physics 1993 | These lectures survey the present situation and future prospects in selected
areas of particle physics phenomenology: (1) the top quark, (2) the Higgs boson
in the Standard Model, (3) strong $WW$ scattering, (4) supersymmetry, (5) the
Higgs sector in minimal supersymmetry, and (6) low-energy constraints on
supersymmetr... | 1993-09-09 | 2007-05-23 | [
"hep-ph"
] | V.Barger and R.J.N.Phillips |
hep-ph/9309251 | Zeroing in on more photons and gluons | We discuss radiation zeros that are found in gauge tree amplitudes for
processes involving multi-photon emission. Previous results are clarified by
examples and by further elaboration. The conditions under which such amplitude
zeros occur are identical in form to those for the single-photon zeros, and all
radiated phot... | 1993-09-09 | 2009-10-22 | [
"hep-ph"
] | R.W.Brown, M.E.Convery, M.A.Samuel |
hep-ph/9309249 | A Solution to the Small Phase Problem of Supersymmetry | It is a well--known problem that in supersymmetric models there are new
CP--violating phases which, if unsuppressed, would give a neutron electric
dipole moment $10^2$ to $10^3$ times the present experimental limit. Here we
propose that these new phases are suppressed by CP invariance, which is broken
spontaneously at ... | 1993-09-09 | 2010-11-01 | [
"hep-ph"
] | K.S. Babu and S.M. Barr |
hep-ph/9309248 | Probing the Scalar Sector in $e^+ e^- \rightarrow f \bar{f} H$ | We study possible deviations from the Standard Model in the reaction $e^+e^-
\to Z\phi$, where $\phi$ denotes a spinless neutral boson. We show how the $Z$
decay angular correlation can be used to extract detailed information on the
$\phi$ couplings, such as the parity of $\phi$, radiatively induced form factor
effects... | 1993-09-09 | 2008-11-26 | [
"hep-ph"
] | K.Hagiawara and M.L.Stong |
hep-ph/9309246 | Light Gluinos in Four-Jet Events at LEP | The light gluino hypothesis can explain the apparent incompatibility between
the measurements of $\as$ at low- and high-energy. Such gluinos are produced
directlyin four-jet events, for which we perform a detailed analysis. Because
the jet energies are not large, the effect of the non-zero gluino mass is
important. We ... | 1993-09-09 | 2009-10-22 | [
"hep-ph"
] | R. Mu\~noz-Tapia and W.J. Stirling |
hep-ph/9309247 | Annihilation Diagrams in Two-Body Nonleptonic Decays of Charmed Mesons | In the pole-dominance model for the two-body nonleptonic decays of charmed
mesons $D \rightarrow PV$ and $D \rightarrow VV$, it is shown that the
contributions of the intermediate pseudoscalar and the axial-vector meson poles
cancel each other in the annihilation diagrams in the chiral limit. In the same
limit, the ann... | 1993-09-09 | 2008-11-26 | [
"hep-ph"
] | P. Bedaque, A. Das and V. S. Mathur |
hep-ph/9309242 | Bubble Growth as a Detonation | Bubble growth as a detonation is studied in the context of cosmological phase
transitions. It is proved that the so called Chapman-Jouguet hypothesis, which
restricts the types of detonations that can occur in spherically symmetric
chemical burning, does not hold in the case of phase transitions. Therefore a
much large... | 1993-09-08 | 2009-10-22 | [
"hep-ph"
] | M. Laine |
hep-ph/9309245 | Two-loop renormalization group analysis of hadronic decays of a charged
Higgs boson | We calculate next-to-leading QCD corrections to the decay $H^+ \to u\bar d$
for generic up and down quarks in the final state. A recently developed
algorithm for evaluation of massive two-loop Feynman diagrams is employed to
calculate renormalization constants of the charged Higgs boson. The origin and
summation of lar... | 1993-09-08 | 2016-09-01 | [
"hep-ph"
] | Andrzej Czarnecki and Andrei I. Davydychev |
hep-ph/9309241 | $b \rightarrow s \gamma$ and $Z \rightarrow b \overline b$ Constraints
on Two Higgs Doublet Model | We perform a combined analysis of two stringent constraints on two Higgs
doublet model, coming from the recently announced CLEO II bound on $B(b
\rightarrow s \gamma)$ and $Z \rightarrow b \overline b$ and from the recent
LEP data on the ratio $\Gamma(Z\rightarrow b\overline
b)\over{\Gamma(Z\rightarrow hadrons)}$. We i... | 1993-09-08 | 2009-10-22 | [
"hep-ph"
] | Gye T. Park |
hep-ph/9309244 | THE $t\bar t\gamma$ BACKGROUND TO $pp\rightarrow W\gamma + X$ AT THE SSC | We calculate the $pp\rightarrow t\bar t\gamma+X\rightarrow W\gamma + X$ cross
section at SSC energies. Approximately 40\% of the total cross section
originates from photon bremsstrahlung off the final state jet in $t\bar tj$
production. Without cuts restricting the hadronic activity, the $t\bar t\gamma$
rate is a facto... | 1993-09-08 | 2007-05-23 | [
"hep-ph"
] | U. Baur and A. Stange |
hep-ph/9309243 | Single Leptoquark Production | The single production of leptoquarks in $e^+e^-$, $e\gamma$ and $\gamma
\gamma$ linear colliders is discussed. We show that these new particles could
be seen in such machines even if their mass is close to the kinematic limit.
(Invited talk given by G.B. at the ``Workshop on Physics and Experiments at
Linear $e^+e^-$ C... | 1993-09-08 | 2009-09-25 | [
"hep-ph"
] | G. Belanger, D. London and H. Nadeau |
hep-ph/9309233 | Effects of new physics to the the $\rho$--parameter in the
supersymmetric standard model | The contribution to the $\rho$--parameter of the quark--Higgs sector of the
supersymmetric standard model is computed non--perturbatively using the
large--$\nf$ expansion for the case tan$\beta$=0. An explicit formula is found
for the $\rho$--parameter which is ill-defined unless the triviality cutoff is
taken into acc... | 1993-09-07 | 2015-06-25 | [
"hep-ph"
] | Kenichiro Aoki |
hep-ph/9309239 | Signals of Unconventional E$_6$ Models at $e^+e^-$ Colliders | Generation dependent discrete symmetries often appear in models derived from
superstring theories. In particular, in the framework of E$_6$ models the
presence of such symmetries is required in order to allow for the radiative
generation of naturally small neutrino masses. Recently it was shown that by
imposing suitabl... | 1993-09-07 | 2009-10-22 | [
"hep-ph"
] | Enrico Nardi |
hep-ph/9309236 | On The Dimensional Methods in Rare b Decays | Since several years there exists a question whether the dimensional reduction
and the usual dimensional regularization give different results for the
QCD-improved $b \rightarrow s \gamma$ and $b \rightarrow s$ $gluon$ decay
rates. Here it is demonstrated explicitly that this is not the case: As long as
physically meani... | 1993-09-07 | 2009-10-22 | [
"hep-ph"
] | Mikolaj Misiak |
hep-ph/9309240 | Approximate Flavor Symmetries in the Lepton Sector | Approximate flavor symmetries in the quark sector have been used as a handle
on physics beyond the Standard Model. Due to the great interest in neutrino
masses and mixings and the wealth of existing and proposed neutrino experiments
it is important to extend this analysis to the leptonic sector. We show that in
the see... | 1993-09-07 | 2016-08-14 | [
"hep-ph"
] | Andrija Ra\v{s}in and Jo\~ao P. Silva |
hep-ph/9309232 | Direct Instantons in QCD Nucleon Sum Rules | We study the role of direct (i.e. small-scale) instantons in QCD correlation
functions for the nucleon. They generate sizeable, nonperturbative corrections
to the conventional operator product expansion, which improve the quality of
both QCD nucleon sum rules and cure the long-standing stability problem, in
particular,... | 1993-09-07 | 2009-10-22 | [
"hep-ph"
] | Hilmar Forkel and Manoj K. Banerjee |
hep-ph/9309235 | Observing Disoriented Chiral Condensates | We speculate that, in very high energy hadronic collisions, large fireballs
may be produced with interiors which have anomalous chiral order parameters.
Such a process would result in radiation of pions with distinctive momentum and
isospin distributions, and may provide an explanation of Centauro and related
phenomena... | 1993-09-07 | 2009-09-25 | [
"hep-ph"
] | J.D. Bjorken, K.L. Kowalski and C.C. Taylor |
hep-ph/9309234 | How suppressed are the radiative interference effects in heavy unstable
particle production? | We present a \lq\lq theorem" which quantifies, for inclusive processes, the
level of suppression of the radiative interference effects between the
production and decay stages of heavy {\it unstable} particles. The theorem,
which is based on very general physical arguments, is applicable to all orders
in the coupling. | 1993-09-07 | 2009-10-22 | [
"hep-ph"
] | V.S. Fadin, V.A. Khoze and A.D. Martin |
hep-ph/9309238 | Dynamics of Cosmological Phase Transitions | The dynamics of typical phase transitions is studied out of equilibrium in
weakly coupled inflaton-type scalar field theories in Minkowski space. The
shortcomings of the effective potential and equilibrium descriptions are
pointed out. A case of a rapid supercooling from $T_i>T_c$ to $T_f \ll T_c$ is
considered.
The ... | 1993-09-07 | 2007-05-23 | [
"hep-ph"
] | D. Boyanovsky, H. J. de Vega and R. Holman |
hep-ph/9309237 | Catalyzed decay of false vacuum in four dimensions | The probability of destruction of a metastable vacuum state by the field of a
highly virtual particle with energy $E$ is calculated for a (3+1) dimensional
theory in the leading WKB approximation in the thin-wall limit. It is found
that the induced nucleation rate of bubbles, capable of expansion, is
exponentially smal... | 1993-09-07 | 2009-10-22 | [
"hep-ph"
] | M.B. Voloshin |
hep-ph/9309228 | Constraints on the anomalous $WW\gamma$ couplings from $b\rightarrow
s\gamma$ | We study contributions to $b \rightarrow s \gamma$ from anomalous $WW\gamma$
interactions. Although these anomalous interactions are not renormalizable, the
contributions are cut-off independent. Using recent results from the CLEO
collaboration on inclusive radiative B decays, we obtain bounds for the
anomalous CP cons... | 1993-09-06 | 2010-11-01 | [
"hep-ph"
] | Xiao-Gang He and B. McKellar |
hep-ph/9309231 | Effects of Amplitude Nullification in the Standard Model | Delicate cancellations among diagrams can result in the vanishing of
threshold amplitudes in the standard model. This phenomenon is investigated for
multi-Higgs production by scalar, vector, and fermionic fields. A surprising
gap is found where although the tree-level amplitude for $2$ incoming gauge
bosons to produce ... | 1993-09-06 | 2009-10-22 | [
"hep-ph"
] | Brian Hendee Smith |
hep-ph/9309229 | The Low-Energy Theorem of Pion Photoproduction in Soliton Models of the
Nucleon | We derive an analytic expression for the Kroll-Ruderman amplitude up to the
order 1/N_C for general Skyrme-type models of the nucleon. Due to the
degeneracy of intermediate N- and Delta-states we find deviations from the
standard low-energy theorem for the photoproduction of neutral pions. | 1993-09-06 | 2009-10-22 | [
"hep-ph"
] | B. Schwesinger and H. Walliser |
hep-ph/9309230 | Semileptonic Decays and CKM Matrix Elements in a TCF | We argue that a Tau-Charm factory (TCF) could improve our knowledge of CKM
matrix elements since it is an incomparable tool to check the models and
methods applied to extract $V_{bu}$ from $B$ decay partial widths.
We report on some recent proposals to improve on parton model. Turning to
exclusive decays, we compare ... | 1993-09-06 | 2007-05-23 | [
"hep-ph"
] | A.Le Yaouanc and O.P\`ene |
hep-ph/9309227 | Measuring Three Vector Boson Couplings in $qq\to qqW$ at the SSC | We investigate the electroweak process $qq\to qqW$, {\it i.e.} $W$ production
via $W\gamma$ and $WZ$ fusion, as a probe for nonstandard $WW\gamma$ and $WWZ$
vertices at hadron supercolliders. Triggering on events with one very forward
and one very backward jet while requiring the $W$ decay lepton to be central,
strongl... | 1993-09-04 | 2007-05-23 | [
"hep-ph"
] | U. Baur and D. Zeppenfeld |
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