Higgs Boson Exchange Effects in $l^+l^-\to W^+W^-$ at High Energy

Details Higgs Boson Exchange Effects in $l^+l^-\to W^+W^-$ at High Energy Higgs Boson Exchange Effects in $l^+l^-\to W^+W^-$ at High Energy

2009-02-27

arxiv.org/abs/0903.0015v1

Phys.Rev.D79:073013,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 9 figures, 5 tables, revtex 4

Scientific paper

10.1103/PhysRevD.79.073013

We consider the prospects for detecting effects due to the Higgs exchange diagram in high energy mu^+ mu^-$, e^+ e^-, and tau^+ tau^- collisions producing a pair of W bosons. The processes l^+l^- -> W^+W^- (with l=mu,e,tau) are analyzed, analytically and via numerical simulations, to determine the center of mass energy, sqrt{s}_H, where the effects from Higgs exchange become relevant. The scaling of sqrt{s}_H with the mass of the incoming leptons is also studied. Special consideration is given to the W^+W^- -> l^pm} nu_l jj final state after experimental acceptance cuts are imposed. Angular cuts are shown to be able to significantly lower sqrt{s}_H.

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