Coherent J/ψ photoproduction in ultra-peripheral PbPb collisions at √sNN=2.76 TeV with the CMS experiment
Yazarlar (1)
Prof. Dr. Hasan OĞUL Sinop Üniversitesi, Türkiye
Makale Türü Açık Erişim Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı Physics Letters Section B Nuclear Elementary Particle and High Energy Physics (Q1)
Dergi ISSN 0370-2693 Dergi Bilgileri (2017)
Makale Dili İngilizce Basım Tarihi 09-2017
Cilt / Sayı / Sayfa 772 / 1 / 489–511 DOI 10.1016/j.physletb.2017.07.001
Makale Linki https://www.sciencedirect.com/science/article/am/pii/S0370269317305488?via%3Dihub
UAK Araştırma Alanları
Fen Bilimleri ve Matematik
Özet
The cross section for coherent J/ψ photoproduction accompanied by at least one neutron on one side of the interaction point and no neutron activity on the other side, X n 0 n, is measured with the CMS experiment in ultra-peripheral PbPb collisions at s N N= 2.76 TeV. The analysis is based on a data sample corresponding to an integrated luminosity of 159 μb− 1, collected during the 2011 PbPb run. The J/ψ mesons are reconstructed in the dimuon decay channel, while neutrons are detected using zero degree calorimeters. The measured cross section is d σ X n 0 n coh/d y (J/ψ)= 0.36±0.04 (stat)±0.04 (syst) mb in the rapidity interval 1.8<| y|< 2.3. Using a model for the relative rate of coherent photoproduction processes, this X n 0 n measurement gives a total coherent photoproduction cross section of d σ coh/d y (J/ψ)= 1.82±0.22 (stat)±0.20 (syst)±0.19 (theo) mb. The data strongly disfavor the impulse approximation …
Anahtar Kelimeler
CMS | Heavy ion collisions | J/Psi | Physics | Ultra-peripheral collisions | UPC
Science Direct
BM Sürdürülebilir Kalkınma Amaçları
Atıf Sayıları
Web of Science 65
Scopus 136
Google Scholar 259
Coherent J/ψ photoproduction in ultra-peripheral PbPb collisions at √sNN=2.76 TeV with the CMS experiment

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