Search for Lepton Flavor Violation in ep Collisions at HERA

Reference ICHEP04, Summer 2004
Document Conference paper
Figures  (1)  (2a)  (2b)  (2c)  (2d)  (3a)  (3b)  (3c)  (3d)  (4a)  (4b)  (5a)  (5b)  (5c)  (5d)  (6a)  (6b)  (7)
Contact L Lindfeld, M Ismail
Abstract #A search for lepton flavor violating (LFV) processes mediated by leptoquarks (LQ) is performed with the H1 experiment at HERA. Final states with #a muon or a tau and a hadronic jet are searched for in a data sample collected in the period 1999-2000 corresponding to an integrated luminosity #of 66 pb^-1. No evidence for LFV is found. Limits are derived on the Yukawa coupling of LQs to a muon or tau and a light quark, lambda_{mu q, tau #q}, in the Buchmueller-Rueckl-Wyler effective model, as well as on the branching ratio, BR_{LQ -> mu q, tau q}, for the LQ decaying to a muon or #tau and a light quark.
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