Productions of heavy charged leptons via gluon fusion at LHC: A revisit

Details Productions of heavy charged leptons via gluon fusion at LHC: A revisit Productions of heavy charged leptons via gluon fusion at LHC: A revisit

2010-05-09

arxiv.org/abs/1005.1362v2

Phys.Rev.D 81 (2010) 093009

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 7 figures; (v2) typos corrected, references added

Scientific paper

10.1103/PhysRevD.81.093009

Heavy charged lepton productions via gluon fusion at the LHC are revisited. Full loop calculations are adopted with an updated parton distribution function and electroweak data. Including contribution from new generation quarks in the loop, pair production of the sequential heavy lepton via gluon fusion at the LHC dominates over that via the Drell-Yan mechanism in some heavy lepton mass range. Exotic lepton single production of vector-like lepton extended models is also calculated. In the later case, the gluon fusion mechanism via the Higgs exchange is emphasized. Our numerical results for both pair and single production of heavy leptons are smaller than previous studies especially for a large heavy lepton mass as a result of full loop calculation and due to the mixing angles.

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