Search for Contact Interactions and Lepton Flavour Violation at Hera

Details Search for Contact Interactions and Lepton Flavour Violation at Hera Search for Contact Interactions and Lepton Flavour Violation at Hera

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005iche.conf.1308n&link_type=abstract

HIGH ENERGY PHYSICS, ICHEP 2004. Proceedings of the 32nd International Conference. Held 16-22 August 2004 in Beijing, China. Edi

Physics

High Energy Physics

Scientific paper

In the years 1993-2000 the two experiments H1 and ZEUS at the ep collider HERA each have accumulated a luminosity of approximately 130 pb-1 at center of mass energies of 300 - 320 GeV. The data are used to search for physics beyond the Standard Model. No significant deviation of the measured cross section dσ/dQ2 from the Standard Model expectation is observed. In the framework of contact interactions this result is expressed as limits on mass scales for compositeness models or limits on leptoquark masses. Furthermore searches for lepton flavour violating processes ep → lX (l = μ, τ) are performed. No excess above the expectations from the Standard Model is observed. Limits on the Yukawa coupling λlq as function of leptoquark mass are derived.

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