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Multi-photon signatures at the Fermilab Tevatron

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Abstract

Fermiophobic Higgs bosons (hf) exhibiting large branching ratios for decay to two photons can arise in models with two or more scalar doublets and/or triplets. In such models the conventional production mechanisms at hadron colliders, which rely on the hfVV coupling (V=W,Z), may be rendered ineffective due to severe mixing angle suppression. In this scenario, double hf production may proceed via the complementary mechanism qq’→H±hf with subsequent decay H±→hfW*, leading to events with up to four photons. We perform a simulation of the detection prospects of hf in the multi-photon (>3) channel at the Fermilab Tevatron and show that a sizeable region of the (mH±,mhf) parameter space can be probed during Run II.

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Authors and Affiliations

  1. Theory Group, KEK, 1-1 Oho, Tsukuba, 305-0801, Japan

    A.G. Akeroyd

  2. Instituto de Física, Universidade de São Paulo, São Paulo, Brazil

    A. Alves & O. Éboli

  3. Departamento de Física, Universidad Católica de Chile, Avenida Vicuña Mackenna 4860, Santiago, Chile

    M.A. Díaz

Authors
  1. A.G. Akeroyd
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  2. A. Alves
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  3. M.A. Díaz
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  4. O. Éboli
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Correspondence to A.G. Akeroyd.

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Akeroyd, A., Alves, A., Díaz, M. et al. Multi-photon signatures at the Fermilab Tevatron. Eur. Phys. J. C 48, 147–157 (2006). https://doi.org/10.1140/epjc/s10052-006-0014-8

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  • DOI: https://doi.org/10.1140/epjc/s10052-006-0014-8

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