hep-ph/9807547


Could we learn more about HERA high Q**2 anomaly from LEP-200 and TEVATRON? R-parity violation scenario


Belyaev, A.S. (Moscow State U.) ; Gladyshev, A.V. (Dubna, JINR)

Pages: 14

Abstract: The excess of high $Q^2$ events at HERA reported in the early 1997 by H1 and ZEUS collaborations has become the subject of extensive studies in the framework of several models related to new physics. Here we concentrate on the most promising, from our point of view, model describing HERA anomaly. We update our previous analysis and take into account new HERA statistics of the 1997 year. HERA events are considered within the R-parity broken SUSY model for a specific scenario with several non-zero couplings. R-parity broken SUSY with several non-zero couplings could explain both high $Q^2 e^+ + jets$ and $\mu^+ + jets$ observed at HERA. The consequence of such a particular scenario is the excess of high $Q^2$ di- or tri-jet events at HERA. The relation of this scenario for LEP and TEVATRON colliders is considered. This study shows that if a squark resonance does take place at HERA, supersymmetry with broken R-parity can be revealed at either LEP200 or TEVATRON in the near future.

Web-Page: http://alice.cern.ch/format/showfull?sysnb=0286145

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 Record created 2010-10-28, last modified 2014-01-30


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