par Chivukula, Sekhar R.S.;Farzinnia, Arsham;Simmons, Elizabeth E.H.;Foadi, Roshan 
Référence Physical review. D, Particles, fields, gravitation, and cosmology, 85, 5, 054005
Publication Publié, 2012-03
Référence Physical review. D, Particles, fields, gravitation, and cosmology, 85, 5, 054005
Publication Publié, 2012-03
Article révisé par les pairs
| Résumé : | We report the first complete calculation of QCD corrections to the production of a massive color-octet vector boson. Our next-to-leading-order (NLO) calculation includes both virtual corrections as well as corrections arising from the emission of gluons and light quarks, and we demonstrate the reduction in factorization-scale dependence relative to the leading-order approximation used in previous hadron collider studies. We show that the QCD NLO corrections to coloron production are as large as 30%, and that the residual factorization scale-dependence is reduced to of order 2%. We also calculate the K-factor and the p T spectrum for coloron production, since these are valuable for comparison with experiment. Our results apply directly to the production of the massive color-octet vector bosons in axigluon, topcolor, and coloron models, and approximately to the production of KK gluons in extra-dimensional models or color-octet technivector mesons in technicolor models. © 2012 American Physical Society. |
