Can we distinguish between h^{SM} and h^0 in split supersymmetry?

Details Can we distinguish between h^{SM} and h^0 in split supersymmetry? Can we distinguish between h^{SM} and h^0 in split supersymmetry?

2004-12-05

arxiv.org/abs/hep-ph/0412066v4

J.Phys.G31:563-569,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 3 Figures, typos fixed, version published in J.Phys. G31 (2005) 563-569

Scientific paper

10.1088/0954-3899/31/7/003

We investigate the possibility to distinguish between the Standard Model Higgs boson and the lightest Higgs boson in Split Supersymmetry. We point out that the best way to distinguish between these two Higgs bosons is through the decay into two photons. It is shown that there are large differences of several percent between the predictions for \Gamma(h\to\gamma\gamma) in the two models, making possible the discrimination at future photon-photon colliders. Once the charginos are discovered at the next generation of collider experiments, the well defined predictions for the Higgs decay into two photons will become a cross check to identify the light Higgs boson in Split Supersymmetry.

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