Single top quark production via SUSY-QCD FCNC couplings at the CERN LHC in the unconstrained MSSM

We evaluate the t c ¯ and t u ¯ productions at the LHC within the general unconstrained MSSM framework. We find that these single top quark productions induced by SUSY-QCD FCNC couplings have remarkable cross sections for favorable parameter values allowed by current low energy data, which can be as...

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Bibliographic Details
Published in:Nuclear physics. B 2005-01, Vol.705 (1), p.3-32
Main Authors: Liu, Jian Jun, Li, Chong Sheng, Yang, Li Lin, Jin, Li Gang
Format: Article
Language:English
Subjects:
FCNC
MSSM
Top quark
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Summary:We evaluate the t c ¯ and t u ¯ productions at the LHC within the general unconstrained MSSM framework. We find that these single top quark productions induced by SUSY-QCD FCNC couplings have remarkable cross sections for favorable parameter values allowed by current low energy data, which can be as large as a few pb. Once large rates of the t c ¯ and t u ¯ productions are detected at the LHC, they may be induced by SUSY FCNC couplings. We show that the precise measurement of single top quark production cross sections at the LHC is a powerful probe for the details of the SUSY FCNC couplings.
ISSN:0550-3213
1873-1562
DOI:10.1016/j.nuclphysb.2004.10.048