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hep-ph1997

Top Quark Physics: Overview

Stephen Parke

In this presentation I will primarily focus on top quark physics but I will include a discussion of the W-boson mass and the possibility of discovering a light Higgs boson via asso…

astro-ph1997★ 234 cited

The Influence of Environment on the Star Formation Rates of Galaxies

Yasuhiro Hashimoto, Augustus Oemler, Huan Lin +1

We have used a sample of 15749 galaxies taken from the Las Campanas Redshift Survey to investigate the effects of environment on the rate of star formation (SFR) in galaxies. The s…

hep-ph1997★ 49 cited

Heavy Quark Hadroproduction in Perturbative QCD

Fredrick I. Olness, Randall J. Scalise, Wu-Ki Tung

Existing calculations of heavy quark hadroproduction in perturbative QCD are either based on the approximate conventional zero-mass perturbative QCD theory or on next-to-leading or…

hep-ex1997★ 69 cited

A Measurement of the W Boson Mass

B. Abbott, M. Abolins, B. S. Acharya

We present a measurement of the W boson mass using data collected by the D0 experiment at the Fermilab Tevatron during 1994--1995. We identify W bosons by their decays to fina…

hep-ex1997★ 33 cited

A Measurement of the W Boson Mass

B. Abbott, M. Abolins, B. S. Acharya

We report a measurement of the W boson mass based on an integrated luminosity of 82 pb from \ppbar collisions at TeV recorded in 1994--1995 by the \Dzero dete…

hep-th1997★ 23 cited

M(ore) on Chiral Gauge Theories from D-Branes

J. Lykken, E. Poppitz, S. P. Trivedi

We consider a brane configuration consisting of intersecting Neveu-Schwarz five-branes, Dirichlet four-branes, and an orientifold four-plane in a C^2/Z_3 orbifold background. We sh…

hep-ex1997★ 14 cited

The Search for Supersymmetry at the Tevatron Collider

M. Carena, R. L. Culbertson, S. Eno +2

We review the status of searches for Supersymmetry at the Tevatron Collider. After discussing the theoretical aspects relevant to the production and decay of supersymmetric particl…

hep-ph1997★ 82 cited

Clean CKM Information from Bd(t) -> D(*)+/- pi-/+

Isard Dunietz

It has been known for many years that the Bd(t) -> D(*)+/- {pi-/+, rho-/+, a1-/+} modes may involve observable CP violating effects. This note describes how to determine cleanly th…

hep-ex1997★ 13 cited

Observation of Hadronic W Decays in t-tbar Events with the Collider Detector at Fermilab

F. Abe

We observe hadronic W decays in t-tbar -> W (-> l nu) + >= 4 jet events using a 109 pb-1 data sample of p-pbar collisions at sqrt{s} = 1.8 TeV collected with the Collider Detector…

astro-ph1997★ 151 cited

Constraints on the Effects of Locally-biased Galaxy Formation

Robert J. Scherrer, David H. Weinberg

While it is well-known that "biased galaxy formation" can increase the strength of galaxy clustering, it is less clear whether straightforward biasing schemes can change the shape…

hep-ex1997

Measurements of Inclusive Lambda-bar Production with Large x_f at the SPS-Collider

The UA8 Collaboration, A. Brandt, J. B. Cheze +8

We report results of inclusive measurements of anti-Lambda, produced in the forward direction at the SPS with sqrt(s) = 630 GeV, using the UA8 small angle Roman Pot spectrometers.…

hep-ph1997★ 2 cited

Probabilistic Jet Algorithms

W. T. Giele, E. W. N. Glover

Conventional jet algorithms are based on a deterministic view of the underlying hard scattering process. Each outgoing parton from the hard scattering is associated with a hard, we…

hep-ex1997★ 31 cited

Branching Fractions for D0 -> K+K- and D0 -> pi+pi-, and a Search for CP Violation in D0 Decays

The Fermilab E791 Collaboration, E. M. Aitala

Using the large hadroproduced charm sample collected in experiment E791 at Fermilab, we have measured ratios of branching fractions for the two-body singly-Cabibbo-suppressed charg…

gr-qc1997★ 4 cited

Persistence Amplitudes from Numerical Quantum Gravity

Peter D'Eath, Andrew Sornborger

The Euclidean quantum amplitude to go between data specified on an initial and a final hypersurface may be approximated by the tree amplitude exp(-I_{classical}/\hbar), where I_{cl…

hep-ph1997★ 508 cited

Neutrino Beams from Muon Storage Rings: Characteristics and Physics Potential

S. Geer

High-intensity high-energy neutrino beams could be produced by exploiting a very intense future muon source, and allowing the muons to decay in a storage ring containing a long str…

hep-ex1997★ 44 cited

Measurement of the B0 B0-bar oscillation frequency using pi-B meson charge-flavor correlations in p p-bar collisions at sqrt{s} = 1.8 TeV

CDF Collaboration, F. Abe et. al

We present a measurement of the B0 B0-bar oscillation frequency using a flavor tagging method based on correlations of B meson flavor with the charge of other particles produced in…

hep-ph1997★ 260 cited

Electroweak Symmetry Breaking via Top Condensation Seesaw

Bogdan A. Dobrescu, Christopher T. Hill

We propose a new mechanism in which all of the electroweak symmetry breaking is driven by a natural top quark condensate, produced by topcolor interactions at a multi-TeV scale. Th…

astro-ph1997

AGAPEROS: Searches for microlensing in the LMC with the Pixel Method. I. Data treatment and pixel light curves production

A. -L. Melchior

Recent surveys monitoring millions of light curves of resolved stars in the LMC have discovered several microlensing events. Unresolved stars could however significantly contribute…

hep-th1997

Towards a String Formulation of Vortex Dynamics

Elsebeth Schroder, Ola Tornkvist

We derive an exact equation of motion for a non-relativistic vortex in two- and three-dimensional models with a complex field. The velocity is given in terms of gradients of the co…

hep-lat1997★ 9 cited

Spectroscopy of B_s and D_s Mesons

Paul B. Mackenzie, Sinead M. Ryan, James N. Simone

We study Bs and Ds spectroscopy in quenched lattice QCD using the Fermilab approach to heavy quarks. We obtain results at four lattice spacings, , using -improved Wilson q…

hep-ex1997★ 107 cited

Evidence for Parton kT Effects in High pT Particle Production

Fermilab E706 Collaboration, L. Apanasevich

Inclusive pizero and direct-photon cross sections in the kinematic range 3.5 < pT < 12 GeV/c with central rapidities are presented for 530 and 800 GeV/c proton beams and a 515 GeV/…

hep-ph1997★ 71 cited

B and D Meson Decay Constants in Lattice QCD

Aida X. El-Khadra, Andreas S. Kronfeld, Paul B. Mackenzie +2

We have calculated the decay constants of B and mesons with lattice QCD. We use an improved action that takes light quark actions as a starting point, tuned so that it c…

astro-ph1997★ 98 cited

Radio-loud Active Galaxies in the Northern ROSAT All-Sky Survey III: New Spectroscopic Identifications from the RGB BL Lac Survey

S. A. Laurent-Muehleisen, R. I. Kollgaard, R. B. Ciardullo +3

We present new spectroscopic identifications for 169 objects in the RASS-Green Bank (RGB) catalog of radio- and X-ray-emitting AGN. These data significantly increase the fraction o…

astro-ph1997★ 237 cited

Multiwavelength Observations of a Dramatic High Energy Flare in the Blazar 3C 279

A. E. Wehrle, E. Pian, C. M. Urry +3

The blazar 3C 279, one of the brightest identified extragalactic objects in the gamma-ray sky, underwent a flare of a factor 10 amplitude in gamma-rays towards the end of a 3-week…