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Single (anti-)top production in association with a lightest neutralino at LHeC | | Li Xiao-Peng
; Guo Lei
; Ma Wen-Gan
; Zhang Ren-You
; Han Liang
; Song Mao
; | | Date: |
9 Jul 2013 | | Abstract: | In this paper we examine thoroughly the single (anti-)top quark production
associated with a lightest neutralino at the possible CERN Large Hadron
Electron Collider (LHeC). We calculate the full next-to-leading (NLO) QCD
corrections to the process including all the non-resonant diagrams and do not
assume the production and decay factorization for the possible resonant scalar
top (stop) quarks in the R-parity violating minimal supersymmetric standard
model (MSSM) with 19 unrelated parameters. We investigate numerically the
effects of the relevant supersymmetry (SUSY) parameters on the cross section,
and present the transverse momentum distributions of final (anti-)top quark at
both the leading-order (LO) and the QCD NLO. We find that the NLO QCD
corrections enhance the LO cross sections in most chosen parameter space, and
the NLO QCD impacts on the transverse momentum distributions of final
(anti-)top quark might be resolvable in some cases. We conclude that even if
with recently known experimental constraints the SUSY parameters, the
production rate could still achieve notable value in the admissible parameter
space. | | Source: | arXiv, 1307.2308 | | Services: | Forum | Review | PDF | Favorites | |
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