Associated production of Intermediate Higgs or Z-boson with t t pair in γγ collision
Cheung, Kingman
Original · EN
Photon-photon linear colliders can be realized by laser back-scattering technique on the next generation linear e+e- colliders. Here the associated productions of an intermediate mass Higgs (IMH) or Z-boson with t t pair in γγ collisions are studied. Since IMH is very unlikely to decay into t t pair, t tH production is the only direct channel to probe the Higgs-top Yukawa coupling in case of an IMH. t tZ production can be a potential background to t tH if the Higgs mass is close to mZ. As an alternative to its parent e+e- collider, γγ→ t tH(Z) productions are compared with the corresponding productions in the e+e- collisions.
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