Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-02-07
JHEP0509:005,2005
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTeX, 27 pages, 15 figures
Scientific paper
10.1088/1126-6708/2005/09/005
We study combined leptoquark (LQ) single and pair production at LHC at the level of detector simulation. A set of kinematical cuts has been worked out to maximize significance for combined signal events. It was shown that combination of signatures from LQ single and pair production not only significantly increases the LHC reach, but also allows us to give the correct signal interpretation. In particular, it was found that the LHC has potential to discover LQ with a mass up to 1.2 TeV and 1.5 TeV for the case of scalar and vector LQ, respectively, and LQ single production contributes 30-50% to the total signal rate for LQ-l-q coupling, taken equal to the electromagnetic coupling. This work is based on implementation of the most general form of scalar and vector LQ interactions with quarks and gluons into CalcHEP/CompHEP packages. This implementation, which authors made publicly available, was one the most important aspects of the study.
Belyaev Alexander
Leroy Claude
Mehdiyev Rashid
Pukhov Alexander
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