Anomalous events in e+e?→μ+μ?γ. excited states and/or new interactions? |
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Authors: | M Capdequi Peyranere J Layssac FM Renard |
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Institution: | 1. Laboratoire de Physique Mathématique (Unité Associée au CNRS No. 040768), France |
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Abstract: | We first show that the enhancement observed by Cello can neither be explained by real or virtual μ1 production through μ1μγ or μ1μZ couplings nor by μμγγ or μμγZ contact terms, when one imposes the usual constraints from . We then propose an explanation using an eeμμ1 contact term which is less constrained. In addition to this leads to a direct decay . Generalized to other types of fermion pairs we have here an interesting source of multifermion anomalous events. |
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