Measurement of differential cross sections in the kinematic angular variable phi* for inclusive Z boson production in pp collisions at root s=8 TeV
JOURNAL OF HIGH ENERGY PHYSICS, cilt.2018, sa.3, 2018 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 2018 Sayı: 3
- Basım Tarihi: 2018
- Doi Numarası: 10.1007/jhep03(2018)172
- Dergi Adı: JOURNAL OF HIGH ENERGY PHYSICS
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Anahtar Kelimeler: Hadron-Hadron scattering (experiments), Particle correlations and fluctuations, proton-proton scattering, TRANSVERSE-MOMENTUM, LEPTON PAIRS, DISTRIBUTIONS, RESUMMATION, RAPIDITY, QCD
- Açık Arşiv Koleksiyonu: AVESİS Açık Erişim Koleksiyonu
- İstanbul Üniversitesi-Cerrahpaşa Adresli: Hayır
Özet
Measurements of differential cross sections d sigma/d phi* and double-differential cross sections d(2)sigma/ld phi*d/y/ for inclusive Z boson production are presented using the dielectron and dimuon final states. The kinematic observable phi* correlates with the dilepton transverse momentum but has better resolution, and y is the dilepton rapidity. The analysis is based on data collected with the CMS experiment at a centre-of-mass energy of 8 TeV corresponding to an integrated luminosity of 19.7 fb(-1). The normalised cross section (1/sigma) d sigma/d phi*, within the fiducial kinematic region, is measured with a precision of better than 0.5% for phi* < 1. The measurements are compared to theoretical predictions and they agree, typically, within few percent.