Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6209
Title: Measurement of long-range near-side two-particle angular correlations in pp collisions at sqrt(s) = 13 TeV
Authors: CMS Collaboration
Karapınar, Güler
Keywords: Large Hadron Collider (LHC)
Compact Muon Solenoid
Charged particles
Issue Date: Apr-2016
Publisher: American Physical Society
Source: Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T.,...CMS Collaboration (2016). Measurement of long-range near-side two-particle angular correlations in pp collisions at √s =13 TeV. Physical Review Letters, 116(17). doi:10.1103/PhysRevLett.116.172302
Abstract: Results on two-particle angular correlations for charged particles produced in pp collisions at a center-of-mass energy of 13 TeV are presented. The data were taken with the CMS detector at the LHC and correspond to an integrated luminosity of about 270 nb-1. The correlations are studied over a broad range of pseudorapidity (|η|<2.4) and over the full azimuth (φ) as a function of charged particle multiplicity and transverse momentum (pT). In high-multiplicity events, a long-range (|Δη|>2.0), near-side (Δφ≈0) structure emerges in the two-particle Δη-Δφ correlation functions. The magnitude of the correlation exhibits a pronounced maximum in the range 1.0<pT<2.0 GeV/c and an approximately linear increase with the charged particle multiplicity, with an overall correlation strength similar to that found in earlier pp data at s=7 TeV. The present measurement extends the study of near-side long-range correlations up to charged particle multiplicities Nch∼180, a region so far unexplored in pp collisions. The observed long-range correlations are compared to those seen in pp, pPb, and PbPb collisions at lower collision energies. © 2016 CERN.
URI: http://doi.org/10.1103/PhysRevLett.116.172302
http://hdl.handle.net/11147/6209
ISSN: 0031-9007
1079-7114
Appears in Collections:Mathematics / Matematik
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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