Gravitino and Goldstino at Colliders

Details Gravitino and Goldstino at Colliders Gravitino and Goldstino at Colliders

2004-03-18

arxiv.org/abs/hep-ph/0403203v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 14 figures, Contribution to the LHC / LC study group report, eds. G. Weiglein et al

Scientific paper

We consider theories with spontaneously broken global or local supersymmetry where the pseudo-goldstino or the gravitino is the lightest superparticle (LSP). Assuming that the long-lived next-to-lightest superparticle (NSP) is a charged slepton, we study several supergravity predictions: the NSP lifetime, angular and energy distributions in 3-body NSP decays. The characteristic couplings of the gravitino, or goldstino, can be tested even for very small masses.

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