Distinguishing split supersymmetry in Higgs signals at the Large Hadron Collider

Details Distinguishing split supersymmetry in Higgs signals at the Large Hadron Collider Distinguishing split supersymmetry in Higgs signals at the Large Hadron Collider

2005-10-23

arxiv.org/abs/hep-ph/0510306v2

Phys.Rev. D73 (2006) 075006

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 14eps figures, LateX, Changes in the figures and minor modifications in the text. Final version to appear in Physica

Scientific paper

10.1103/PhysRevD.73.075006

We examine the possibility of detecting signals of split supersymmetry in the loop-induced decay h --> gamma gamma of the Higgs boson at the Large Hadron Collider, where charginos, as surviving light fermions of the supersymmetric spectrum, can contribute in the loop. We perform a detailed study of uncertainties in various parameters involved in the analysis, and thus the net uncertainty in the standard model prediction of the rate. After a thorough scan of the parameter space, taking all constraints into account, we conclude that it will be very difficult to infer about split supersymmetry from Higgs signals alone.

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