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13 papers · 2 filters
Associated Production of Upsilon and Weak Gauge Bosons at the Tevatron
Eric Braaten, Sean Fleming, Jungil Lee
We calculate the rate of production of W+Upsilon and Z+Upsilon at the Tevatron. We find the cross sections at a center-of-mass energy of 1.8 TeV to be roughly 450 pb for W+Upsilon…
Color and Spin in Quarkonium Production
Eric Braaten
I describe the NRQCD factorization approach to the inclusive production of heavy quarkonium, contrasting it with the color-singlet and color evaporation models. These approaches di…
Non-Perturbative QED and QCD at Finite Temperature
Michael Strickland
We present results of numerical solutions of Schwinger-Dyson equations for the finite-temperature quark and electron propagators. It is shown that both strongly coupled QED and QCD…
Composite model with neutrino large mixing
Naoyuki Haba
We suggest a simple composite model that induces the large flavor mixing of neutrino in the supersymmetric theory. This model has only one hyper-color in addition to the standard g…
The Phenomenology of SUSY models with a Gluino LSP
Stuart Raby, Kazuhiro Tobe
In this paper we study the experimental consequences of a theory which naturally has a heavy, stable (or almost stable) gluino. We define the boundary conditions at a messenger sca…
Renormalon Ambiguities in NRQCD Operator Matrix Elements
Geoffrey T. Bodwin, Yu-Qi Chen
We analyze the renormalon ambiguities that appear in factorization formulas in QCD. Our analysis contains a simple argument that the ambiguities in the short-distance coefficients…