A new method for extracting the bottom quark Yukawa coupling at the CERN Large Hadron Collider

Details A new method for extracting the bottom quark Yukawa coupling at the CERN Large Hadron Collider A new method for extracting the bottom quark Yukawa coupling at the CERN Large Hadron Collider

2000-04-13

arxiv.org/abs/hep-ph/0004119v2

Phys.Lett. B503 (2001) 320-324

Physics

High Energy Physics

High Energy Physics - Phenomenology

added background, updated/added references, additional comments

Scientific paper

10.1016/S0370-2693(01)00229-5

We propose a new method for measuring the H -> bb rate at the CERN LHC in a manner which would allow extraction of the b quark Yukawa coupling. Higgs boson production in purely electroweak WHjj events is calculated. The Standard Model signal rate including decays W -> l nu and H -> bb is 11 fb for M_H = 120 GeV. It is possible to suppress the principal backgrounds, Wbbjj and ttjj, to approximately the level of the signal. As the top quark Yukawa coupling does not appear in this process, it promises a reliable extraction of g_Hbb in the context of the Standard Model or some extensions, such as the MSSM.

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