R-parity violation and uses of the rare decay sneutrino-->gamma+gamma in hadron and photon colliders

Details R-parity violation and uses of the rare decay sneutrino-->gamma+gamma in hadron and photon colliders R-parity violation and uses of the rare decay sneutrino-->gamma+gamma in hadron and photon colliders

1998-09-03

arxiv.org/abs/hep-ph/9809253v1

Phys.Rev. D59 (1999) 035010

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages using REVTEX, 3 figures embadded in the text using epsfig

Scientific paper

10.1103/PhysRevD.59.035010

We consider implications of the loop process sneutrino -> gamma gamma in the MSSM with R-parity violation for future experiments, where the sneutrino is produced as the only supersymmetric particle. We present a scenario for the R-parity violating couplings, where this clean decay, although rare with Br(sneutrino -> gamma gamma) ~ 10^{-6}, may be useful for sneutrino detection over a range of sneutrino masses at the LHC. Furthermore, the new sneutrino-gamma-gamma effective coupling may induce detectable sneutrino resonant production in gamma gamma collisions, over a considerably wide mass range. We compare sneutrino -> gamma gamma, gg throughout the paper with the analogous yet quantitatively very different, Higgs -> gamma gamma, gg decays and comment on the loop processes sneutrino -> WW, ZZ.

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