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The recent excess over the Standard Model prediction in the \mu \gammamissing-E_T channel reported by CDF can be well-explained by resonant smuonproduction with a single dominant R-parity violating coupling \lambda'_{211},in the context of models where the gravitino is the lightest supersymmetricparticle. The slepton decays to the lightest neutralino and a muon followed byneutralino decaying to a gravitino and photon. The kinematical distributionsare fitted well by our hypothesis and we use them to constrain the availableparameter space. The model also provides an explanation for the ee\gamma\gammamissing-E_T event observed in Run I of the Tevatron by the CDF experiment. Ourmodel predicts an excess of between 5 and 35 events in a \gamma missing-E_Tchannel at Run I. We provide predictions for signatures expected by the modelat Run II.Comment: 23 pages, Latex file + 10 figures and 4 Tables (included) Includes  JHEP3.cls and axodraw.st

Investigating the supersymmetric explanation of anomalous CDF lepton(s) photon(s) missing-ETevents

Investigating the supersymmetric explanation of anomalous CDF lepton(s) photon(s) missing-E_Tevents