Radiative return for heavy Higgs boson at a muon collider

Chakrabarty, Nabarun ; Han, Tao ; Liu, Zhen ; Mukhopadhyaya, Biswarup (2015) Radiative return for heavy Higgs boson at a muon collider Physical Review D - Particles, Fields, Gravitation and Cosmology, 91 (1). Article ID 015008. ISSN 1550-7998

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Official URL: https://journals.aps.org/prd/abstract/10.1103/Phys...

Related URL: http://dx.doi.org/10.1103/PhysRevD.91.015008


Higgs boson properties could be studied with a high accuracy at a muon collider via the s-channel resonant production. We consider the situation where the center-of-mass energy of the muon collider is off the resonance above the Higgs mass. We discuss the discovery potential for a generic heavy Higgs boson and compare different production mechanisms, including the “radiative return,” Z-boson associated production and heavy Higgs pair production. These production mechanisms do not sensitively rely on a priori knowledge of the heavy Higgs boson mass. We include various types of two-Higgs-doublet models for the comparison. We conclude that the radiative return process could provide an important option for both the heavy Higgs discovery and direct measurement of invisible decays at a high energy muon collider.

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