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Study of double parton scattering using W + 2-jet events in proton-proton collisions at vs = 7 TeV

Abstract: Double parton scattering is investigated in proton-proton collisions at vs = 7 TeV where the final state includes a W boson, which decays into a muon and a neutrino, and two jets. The data sample corresponds to an integrated luminosity of 5 fb-1, collected with the CMS detector at the LHC. Observables sensitive to double parton scattering are investigated after being corrected for detector effects and selection efficiencies. The fraction of W + 2-jet events due to double parton scattering is measured to be 0.055 ± 0.002 (stat.) ± 0.014 (syst.). The effective cross section, seff, characterizing the effective transverse area of hard partonic interactions in collisions between protons is measured to be 20.7 ± 0.8(stat.) ± 6.6(syst.)mb.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Journal of High Energy Physics, Vol. 2014, Num. 3, Art. Num. 32

Editorial: Springer Verlag

 Fecha de publicación: 01/03/2014

Nº de páginas: 45

Tipo de publicación: Artículo de Revista

 DOI: 10.1007/JHEP03(2014)032

ISSN: 1126-6708,1029-8479

Proyecto español: FPA2014-55295-C3-1-R ; FPA 2011-28694-C02-01

Url de la publicación: https://doi.org/10.1007/JHEP03(2014)032