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

CMS Collaboration

نتاج البحث: المساهمة في مجلةArticleمراجعة النظراء

58 اقتباسات (Scopus)

ملخص

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 nb−1 at a nucleon–nucleon centre-of-mass energy of sNN=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/c, and as a function of the lepton pseudorapidity in the |ηlab|<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.

اللغة الأصليةEnglish
الصفحات (من إلى)565-586
عدد الصفحات22
دوريةPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
مستوى الصوت750
المعرِّفات الرقمية للأشياء
حالة النشرPublished - نوفمبر 12 2015
منشور خارجيًانعم

ASJC Scopus subject areas

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