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Observing Doubly Charged Higgs Bosons in Photon-Photon Collisions

Surajit Chakrabarti·Debajyoti Choudhury·Rohini M. Godbole·Biswarup Mukhopadhyaya
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Abstract

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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Surajit Chakrabarti, Debajyoti Choudhury, Rohini M. Godbole, Biswarup Mukhopadhyaya. 1998-04-15. Observing Doubly Charged Higgs Bosons in Photon-Photon Collisions. https://doi.org/10.1016/s0370-2693(98)00743-6

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