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32 papers · 1 filter
Meson Productions Via Induced Gluon Fragmentation
Kingman Cheung, Tzu Chiang Yuan
Gluons cannot directly fragment into mesons until at order . However, the Altarelli-Parisi evolution of the -quark fragmentation functions $D_{\bar b \to B_c}(…
Detecting the Decays of a Charged Higgs Boson at a Hadron Supercollider
J. F. Gunion
We demonstrate that detection of a charged Higgs boson decaying via $\hpm\rta t b$ will be possible at the LHC in $gg\rta \hm t \anti b+\hp b\anti t$ events, provided the $\hp\rta…
Equivalent Quantisations of (2+1)-Dimensional Gravity
S. Carlip, J. E. Nelson
For spacetimes with the topology $\IR\!\times\!T^2$, the action of (2+1)-dimensional gravity with negative cosmological constant $\La$ is written uniquely in terms of the time-inde…
The Bose--Hubbard Model and Superfluid Staircases in He Films
G. T. Zimanyi, P. A. Crowell, R. T. Scalettar +1
The recent experimental observation of step-like structure in the superfluid density of He films on graphite is interpreted in terms of passage close to Mott insulating lobes…
Symmetry transformations in Batalin-Vilkovisky formalism
Albert Schwarz
This short note is closely related to Sen-Zwiebach paper on gauge transformations in Batalin-Vilkovisky theory (hep-th 9309027). We formulate some conditions of physical equivalenc…
Evidence for Spin-Charge Separation in the Two-Dimensional T-J Model
W. O. Putikka, R. L. Glenister, R. R. P. Singh +1
We have calculated high temperature expansions for the momentum distribution function and the equal time spin and density correlation functions $S({\b…
Critical Exponent for the Density of Percolating Flux
J. Kiskis
This paper is a study of some of the critical properties of a simple model for flux. The model is motivated by gauge theory and is equivalent to the Ising model in three dimensions…
Tau functions for the Dirac operator on the Poincare' disk
John Palmer, Morris Beatty, Craig A. Tracy
Correlation functions for holonomic fields on the Poincare' disk are analyzed. The two point functions are shown to be expressible in terms of Painleve' functions of type VI.
Notes on the (2+1)-Dimensional Wheeler-DeWitt Equation
Steven Carlip
In contrast to other approaches to (2+1)-dimensional quantum gravity, the Wheeler-DeWitt equation appears to be too complicated to solve explicitly, even for simple spacetime topol…
Detecting an Invisibly Decaying Higgs Boson at a Hadron Supercollider
J. F. Gunion
We demonstrate that an invisibly decaying Higgs boson with Standard Model coupling strength to top--anti-top can be detected at the LHC for masses up to about 250 GeV.
Observation of D+ -> rho0(770) mu+ nu
Fermilab E653 Collaboration
We report the first observation of the Cabibbo disfavored semileptonic decay mode D+ -> rho0(770) mu+ nu, and measure its decay rate relative to the Cabibbo favored mode D+ -> K*0(…
Adjoint Wilson Line in SU(2) Lattice Gauge Theory
J. Kiskis, P. Vranas
The behavior of the adjoint Wilson line in finite-temperature, , lattice gauge theory is discussed. The expectation value of the line and the associated excess free energy r…
Phase diagram of the bose Hubbard model
J. K. Freericks, H. Monien
The first reliable analytic calculation of the phase diagram of the bose gas on a -dimensional lattice with on-site repulsion is presented. In one dimension, the analytic calcul…
Soft Photons in Production at LEP200
Yu. L. Dokshitzer, V. A. Khoze, L. H. Orr +1
The pattern of soft photon radiation in $\ee\to\ww$ has a rich structure, with contributions from photon emission off the initial state and off the final state particles both befor…
Quantum Critical Scaling in a Moderately Doped Antiferromagnet
Alexander Sokol, Rodney L. Glenister, Rajiv R. P. Singh
Using high temperature expansions for the equal time correlator and static susceptibility for the t-J model, we present evidence for quantum critical (QC), ,…
Guaranteed Detection of a Minimal Supersymmetric Model Higgs Boson at Hadron Supercolliders
J. Dai, J. F. Gunion, R. Vega
We demonstrate that expected efficiencies and purities for -tagging at SSC/LHC detectors should allow detection of at least one of the Higgs bosons of the Minimal Supersymmetric…
The Strongly Interacting System: Gold--Plated Modes
J. Bagger, V. Barger, K. Cheung +5
In this paper we survey the signals and backgrounds for a strongly-interacting electroweak symmetry breaking sector at hadron supercolliders in the TeV region. We study the process…
Fredholm Determinants, Differential Equations and Matrix Models
Craig A. Tracy, Harold Widom
Orthogonal polynomial random matrix models of NxN hermitian matrices lead to Fredholm determinants of integral operators with kernel of the form (phi(x) psi(y) - psi(x) phi(y))/x-y…
Using -Tagging to Detect $t\anti t$~Higgs Production with Higgs$\rta b\anti b$
J. Dai, J. F. Gunion, R. Vega
We demonstrate that expected efficiencies and purities for -tagging at SSC/LHC detectors may allow detection of the Standard Model Higgs in $t\anti t \hsm$ production, with $\hs…
Discovering Supersymmetry with Like-sign Dileptons
R. Michael Barnett, John F. Gunion, Howard E. Haber
Supersymmetry may be discovered at hadron colliders by searching for events similar to the top quark signal of two isolated leptons. In the case of gluino production, the most dist…
Convergence of Convective-Diffusive Lattice Boltzmann Methods
Bracy H. Elton, Garry H. Rodrigue, C. David Levermore
Lattice Boltzmann methods are numerical schemes derived as a kinetic approximation of an underlying lattice gas. A numerical convergence theory for nonlinear convective-diffusive l…
Salient Features of High-Energy Multiparticle Distributions Learned from Exact Solutions of 1-d Ising Model
Ling-Lie Chau, Ding-Wei Huang
We have derived explicit expressions in the 1-d Ising model for multiplicity distributions $P_{\delξ}(n)$ and factorial moments $F_q(\delξ)$. We identify the salient features of $P…
Chern-Simons States and Topologically Massive Gauge Theories
M. Asorey, S. Carlip, F. Falceto
In an abelian topologically massive gauge theory, any eigenstate of the Hamiltonian can be decomposed into a factor describing massive propagating gauge bosons and a Chern-Simons w…
Level-Spacing Distributions and the Bessel Kernel
Craig A. Tracy, Harold Widom
The level spacing distributions which arise when one rescales the Laguerre or Jacobi ensembles of hermitian matrices is studied. These distributions are expressible in terms of a F…