Journal
PHYSICAL REVIEW D
Volume 79, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.79.054003
Keywords
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Funding
- National Natural Science Foundation of China (NNSFC) [10505007, 10821504, 10725526, 10635030]
- HASTIT [2009HASTIT004]
- National Sciences and Engineering Research Council of Canada
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In the minimal supersymmetric model the R-parity violating top quark interactions, which are so far weakly constrained, can induce various flavor-changing neutral-current (FCNC) productions for the top quark at the large hadron collider (LHC). In this work we assume the presence of the B-violating couplings and examine their contributions to the FCNC productions proceeding through the parton processes cg -> t, gg -> t (c) over bar, cg -> t gamma, cg -> tZ and cg -> th. We find that all these processes can be greatly enhanced relative to the R-parity preserving predictions. In the parameter space allowed by current experiments, all the production channels except cg -> th can reach the 3 sigma sensitivity, in contrast to the R-parity preserving case in which only cg -> t can reach the 3 sigma sensitivity.
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