Events with Isolated Leptons and Missing Transverse Momentum and Measurement of W Production at HERA

Details Events with Isolated Leptons and Missing Transverse Momentum and Measurement of W Production at HERA Events with Isolated Leptons and Missing Transverse Momentum and Measurement of W Production at HERA

2009-01-05

arxiv.org/abs/0901.0488v2

Eur.Phys.J.C64:251-271,2009

Physics

High Energy Physics

High Energy Physics - Experiment

41 pages, 13 figures

Scientific paper

10.1140/epjc/s10052-009-1160-6

Events with high energy isolated electrons, muons or tau leptons and missing transverse momentum are studied using the full e^\pm p data sample collected by the H1 experiment at HERA, corresponding to an integrated luminosity of 474 pb^{-1}. Within the Standard Model, events with isolated leptons and missing transverse momentum mainly originate from the production of single W bosons. The total single W boson production cross section is measured as 1.14 \pm 0.25 (stat.) \pm 0.14 (sys.) pb, in agreement with the Standard Model expectation. The data are also used to establish limits on the WW\gamma gauge couplings and for a measurement of the W boson polarisation.

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