https://doi.org/10.1140/epjc/s10052-006-0014-8
Theoretical Physics
Multi-photon signatures at the Fermilab Tevatron
1
Theory Group, KEK, 1-1 Oho, Tsukuba, 305-0801, Japan
2
Instituto de Física, Universidade de São Paulo, São Paulo, Brazil
3
Departamento de Física, Universidad Católica de Chile, Avenida Vicuña Mackenna 4860, Santiago, Chile
* e-mail: akeroyd@post.kek.jp
Received:
15
June
2006
Revised:
19
July
2006
Published online:
28
September
2006
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.
© Springer-Verlag Berlin Heidelberg, 2006