Closing the Low-mass Axigluon Window
Abstract
In this report, I will present the current status of the low-mass axigluon. The axigluon is a massive, color octet, axial vector boson, predicted in, e.g., chiral color models and some technicolor models, with a mass of order the electroweak scale. Axigluons with a mass larger than about 125 GeV to nearly 1 TeV can be eliminated by di-jet production at hadron colliders like the TEVATRON, but a low-mass window exists that the di-jet search can not probe. Upsilon decays can rule out axigluons with a mass up to 25 GeV, and low energy e^+ e^- (PEP and PETRA) can rule out axigluons with a mass up to 50 GeV using a measurement of R. Top production at the TEVATRON disfavors a light axigluon. A measurement of R at LEP strongly disfavors a light axigluon, and rules out an axigluon with mass < 365 GeV.
Keywords
Cite
@article{arxiv.hep-ph/9906537,
title = {Closing the Low-mass Axigluon Window},
author = {Michael A. Doncheski},
journal= {arXiv preprint arXiv:hep-ph/9906537},
year = {2009}
}
Comments
8 pages, LaTeX, 4 .eps figures, uses aipproc.sty and psfig