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Study of W boson production in pPb collisions at √sNN = 5.02 Te (CROSBI ID 228016)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Khachatryan, Vardan ; ... ; Morović, Srećko ; Ferenček, Dinko ; Đurić, Senka ; Godinović, Nikola ; Lelas, Damir ; Polić, Dunja ; Puljak, Ivica ; Antunović, Željko et al. Study of W boson production in pPb collisions at √sNN = 5.02 Te // Physics letters. B, 750 (2015), 565-586. doi: 10.1016/j.physletb.2015.09.057

Podaci o odgovornosti

Khachatryan, Vardan ; ... ; Morović, Srećko ; Ferenček, Dinko ; Đurić, Senka ; Godinović, Nikola ; Lelas, Damir ; Polić, Dunja ; Puljak, Ivica ; Antunović, Željko ; Kovač, Marko ; Brigljević, Vuko ; Kadija, Krešo ; Luetić, Jelena ; Mekterović, Darko ; Sudić, Lucija ; ... ; Woods, Nate

engleski

Study of W boson production in pPb collisions at √sNN = 5.02 Te

The first study of W boson production in pPb collisions is presented, for bosons decaying to a muon or electron, and a neutrino. The measurements are based on a data sample corresponding to an integrated luminosity of 34.6 inverse nanobarns at a nucleon-nucleon centre-of-mass energy of sqrt(s[NN]) = 5.02 TeV, collected by the CMS experiment. The W boson differential cross sections, lepton charge asymmetry, and forward-backward asymmetries are measured for leptons of transverse momentum exceeding 25 GeV, and as a function of the lepton pseudorapidity in the abs(eta[lab]) < 2.4 range. Deviations from the expectations based on currently available parton distribution functions are observed, showing the need for including W boson data in nuclear parton distribution global fits.

high energy physics; experimental particle physics; LHC; CMS; standard model

CMS Collaboration

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Podaci o izdanju

750

2015.

565-586

objavljeno

0370-2693

10.1016/j.physletb.2015.09.057

Povezanost rada

Fizika

Poveznice
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