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101 papers · 1 filter

cmp-lg1997★ 11 cited

Speech Repairs, Intonational Boundaries and Discourse Markers: Modeling Speakers' Utterances in Spoken Dialog

Peter A. Heeman

In this thesis, we present a statistical language model for resolving speech repairs, intonational boundaries and discourse markers. Rather than finding the best word interpretatio…

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★ 27 cited

Finite Temperature Perturbation Theory and Large Gauge Invariance

Ashok Das, Gerald Dunne

We examine finite temperature perturbation theory for Chern-Simons theories, in the context of an analogue 0+1-dimensional model. In particular, we show how nonextensive terms aris…

hep-ex1997★ 11 cited

Measurement of using Partila Reconstruction of

CLEO Collaboration, M. Artuso et al

We present a measurement of the absolute branching fraction for using the reconstruction of the decay chain , wh…

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…

hep-ex1997★ 7 cited

Study of Semileptonic Decays of B Mesons to Charmed Baryons

CLEO Collaboration, G. Bonvicini et al

Using data collected by the CLEO II detector at the center-of-mass energy on or near the Upsilon(4S) resonance, we have determined the 90% confidence level upper limit B(Bbar --> L…

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-th1997★ 11 cited

Symmetry Algebras of Large-N Matrix Models for Open Strings

C. -W. H. Lee, S. G. Rajeev

We have discovered that the gauge invariant observables of matrix models invariant under U() form a Lie algebra, in the planar large-N limit. These models include Quantum Chromo…

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/…

astro-ph1997★ 73 cited

Effects of Cooling on the Propagation of Magnetized Jets

A. Frank, D. Ryu, T. W. Jones +1

We present multi-dimensional simulations of magnetized radiative jets appropriate to Young Stellar Objects. Magnetized jets subject to collisionally excited radiative losses have n…

hep-ex1997★ 18 cited

Observation of the Radiative Decay

CLEO Collaboration, J. Bartelt et al

We have observed a signal for the decay D*+ -> D+ gamma at a significance of 4 standard deviations. From the measured branching ratio B(D*+ -> D+ gamma)/B(D*+ -> D+ pi0)=0.055 +- 0…

hep-ex1997★ 66 cited

Observation of Exclusive Two-Body B Decays to Kaons and Pions

CLEO Collaboration, R. Godang et al

We have studied two-body charmless hadronic decays of B mesons into the final states , , and . Using 3.3 million pairs collected with the CLEO-II detector,…

hep-ph1997

Constraints on Heavy Meson Form Factors Derived from QCD Analyticity, Unitarity and Heavy Quark Spin Symmetry

C. Macesanu

Using the analytic properties of two-point functions in QCD, as well as unitarity, bounds on the B meson form factor F(q^2) can be derived. Heavy quark spin symmetry, correctly tak…

hep-ex1997★ 52 cited

Search for First Generation Scalar Leptoquark Pairs in ppbar Collisions at sqrt(s)=1.8 TeV

DZERO Collaboration, B. Abbott

We have searched for first generation scalar leptoquark (LQ) pairs in the enu+jets channel using ppbar collider data (integrated luminosity= 115 pb^-1) collected by the DZero exper…

hep-th1997★ 15 cited

Symmetries of Large N Matrix Models for Closed Strings

C. - W. H. Lee, S. G. Rajeev

We obtain the symmetry algebra of multi-matrix models in the planar large N limit. We use this algebra to associate these matrix models with quantum spin chains. In particular, cer…

solv-int1997

Integrable Models and the Higher Dimensional Representations of Graded Lie Algebras

J. C. Brunelli, Ashok Das

We construct a zero curvature formulation, in superspace, for the sTB-B hierarchy which naturally reduces to the zero curvature condition in terms of components, thus solving one o…

hep-ex1997★ 31 cited

Zgamma Production in pbarp Collisions at sqrt(s)=1.8 TeV and Limits on Anomalous ZZgamma and Zgammagamma Couplings

D0 Collaboration

We present a study of Z +gamma + X production in p-bar p collisions at sqrt{S}=1.8 TeV from 97 (87) pb^{-1} of data collected in the eegamma (mumugamma) decay channel with the D0 d…

solv-int1997★ 18 cited

The sAKNS Hierarchy

Henrik Aratyn, Ashok Das

We study, systematically, the properties of the supersymmetric AKNS (sAKNS) hierarchy. In particular, we discuss the Lax representation in terms of a bosonic Lax operator and some…

math-ph1997

Angular Momentum, Quaternion, Octonion, and Lie-Super Algebra osp(1,2)

Susumu Okubo

We will derive both quaternion and octonion algebras as the Clebsch-Gordan algebras based upon the su(2) Lie algebra by considering angular momentum spaces of spin one and three. I…

astro-ph1997★ 39 cited

Outflow collimation in young stellar objects

Garrelt Mellema, Adam Frank

In this paper we explore the effect of radiative losses on purely hydrodynamic jet collimation models applicable to Young Stellar Objects (YSOs). In our models aspherical bubbles f…

cond-mat.supr-con1997★ 53 cited

Critical Behavior of the Meissner Transition in the Lattice London Superconductor

Peter Olsson, S. Teitel

We carry out Monte Carlo simulations of the three dimensional (3D) lattice London superconductor in zero applied magnetic field, making a detailed finite size scaling analysis of t…

physics.optics1997★ 10 cited

Propagation of a short laser pulse in a plasma

Borge Nodland, C. J. McKinstrie

The propagation of an electromagnetic pulse in a plasma is studied for pulse durations that are comparable to the plasma period. When the carrier frequency of the incident pulse is…

hep-ex1997★ 25 cited

Determination of the Mass of the W Boson Using the D0 Detector at the Tevatron

B. Abbott

A measurement of the mass of the W boson is presented which is based on a sample of 5982 W -> e nu decays observed in pbar-p collisions at sqrt(s) = 1.8 TeV with the D0 detector du…