Transverse Momentum and Pseudorapidity Distributions of Charged Hadronsin pp Collisions at root s 7 TeV
Yazarlar (1)
Doç. Dr. Mustafa Numan BAKIRCI Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Makale Türü Açık Erişim Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı Physical Review Letters (Q1)
Dergi ISSN 0031-9007 Dergi Bilgileri (2010)
Dergi Tarandığı Indeksler SCI
Makale Dili İngilizce Basım Tarihi 01-2010
Kabul Tarihi – Yayınlanma Tarihi 06-07-2010
Cilt / Sayı / Sayfa 105 / 2 / – DOI 10.1103/PhysRevLett.105.022002
Makale Linki http://link.aps.org/pdf/10.1103/PhysRevLett.105.022002
UAK Araştırma Alanları
Yüksek Enerji ve Parçacık Fiziği
Özet
Charged-hadron transverse-momentum and pseudorapidity distributions in proton-proton collisions at root s = 7 TeV are measured with the inner tracking system of the CMS detector at the LHC. The charged-hadron yield is obtained by counting the number of reconstructed hits, hit pairs, and fully reconstructed charged-particle tracks. The combination of the three methods gives a charged-particle multiplicity per unit of pseudorapidity dN(ch)/d eta vertical bar(vertical bar eta vertical bar<0.5) = 5.78 +/- 0.01(stat) +/- 0.23(stat) for non-single-diffractive events, higher than predicted by commonly used models. The relative increase in charged-particle multiplicity from root s = 0.9 to 7 TeV is [66.1 +/- 1.0(stat) +/- 4.2(syst)]%. The mean transverse momentum is measured to be 0.545 +/- 0.005(stat) +/- 0.015(syst) GeV/c. The results are compared with similar measurements at lower energies.
Anahtar Kelimeler
BM Sürdürülebilir Kalkınma Amaçları
Atıf Sayıları
Web of Science 430
Scopus 521
Google Scholar 1
Transverse Momentum and Pseudorapidity Distributions of Charged Hadronsin pp Collisions at root s 7 TeV