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We study the effects of chromoelectric and chromomagnetic dipole moments (CEDM and CMDM) on the production cross section of single top tW-channel at the LHC based on the effective Lagrangian approach. We show that the impact of CEDM and CMDM could be large. Using the experimental measurement of the tW-channel cross section, constraints on CEDM and CMDM are extracted. These constraints are comparable...
We study the production cross section of the t-channel single top quark at the LHC in the noncommutative space–time. It is shown that the deviation of the t-channel single top cross section from the Standard Model value because of noncommutativity is significant when |θ→|≳10−4 GeV−2. Using the present experimental precision in measurement of the t-channel cross section, we apply upper limit on the...
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