Observing doubly charged higgs bosons in photon-photon collisions

Chakrabarti, Surajit ; Choudhury, Debajyoti ; Godbole, Rohini M. ; Mukhopadhyay, Biswarup (1998) Observing doubly charged higgs bosons in photon-photon collisions Physics Letters B, 434 (3-4). pp. 347-353. ISSN 0370-2693

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S03702...

Related URL: http://dx.doi.org/10.1016/S0370-2693(98)00743-6


We discuss the possibility of observing doubly charged Higgs bosons in γγ collisions. We find that one can increase the range of observability close to the kinematic limit by a judicious choice of the polarisations of the initial e-/e+ beams as well as the initial laser beam photons which are made to back-scatter from the former. We also note that, in a large region of parameter space, the generally used lepton number violating decay mode is dominated by the decay into a singly charged Higgs and a real or virtual W-boson, giving rise to a large number of fermions in the final state. This can qualitatively alter the strategy for discovering doubly-charged scalars.

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