Search for Leptoquark Bosons in ep Collisions at HERA

Details Search for Leptoquark Bosons in ep Collisions at HERA Search for Leptoquark Bosons in ep Collisions at HERA

2005-06-20

arxiv.org/abs/hep-ex/0506044v1

Phys.Lett.B629:9-19,2005

Physics

High Energy Physics

High Energy Physics - Experiment

15 pages, 1 table, 5 figures

Scientific paper

10.1016/j.physletb.2005.09.048

A search for scalar and vector leptoquarks coupling to first generation fermions is performed using the e^+p and e^-p scattering data collected by the H1 experiment between 1994 and 2000. The data correspond to a total integrated luminosity of 117 pb^{-1}. No evidence for the direct or indirect production of such particles is found in data samples with a large transverse momentum final state electron or with large missing transverse momentum. Constraints on leptoquark models are established. For leptoquark couplings of electromagnetic strength, leptoquarks with masses up to 275-325 GeV are ruled out. These limits improve and supercede earlier H1 limits based on subsamples of the data used here.

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