Journal
PHYSICS LETTERS B
Volume 763, Issue -, Pages 313-336Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2016.10.053
Keywords
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Funding
- ANPCyT, Argentina
- YerPhI, Armenia
- ARC, Australia
- BMWFW Austria
- FWF, Austria
- ANAS, Azerbaijan
- SSTC, Belarus
- CNPq, Brazil
- FAPESP, Brazil
- NSERC, Canada
- NRC, Canada
- CFI, Canada
- CERN
- CONICYT, Chile
- CAS, China
- MOST, China
- NSFC, China
- COLCIENCIAS, Colombia
- MSMT CR, Czech Republic
- MPO CR
- VSC CR, Czech Republic
- DNRF, Denmark
- DNSRC, Denmark
- IN2P3-CNRS
- CEA-DSM/IRFU, France
- GNSF, Georgia
- BMBF, Germany
- HGF, Germany
- MPG, Germany
- GSRT, Greece
- RGC, Hong Kong SAR, China
- ISF, Israel
- I-CORE, Israel
- Benoziyo Center, Israel
- INFN, Italy
- MEXT, Japan
- JSPS, Japan
- CNRST, Morocco
- FOM, Netherlands
- NWO, Netherlands
- RCN, Norway
- MNiSW Poland
- NCN, Poland
- FCT, Portugal
- MNE/IFA, Romania
- MES of Russia
- NRC KI
- Russian Federation
- JINR
- MESTD, Serbia
- MSSR, Slovakia
- ARRS, Slovenia
- MIZS, Slovenia
- DST/NRF, South Africa
- MINECO, Spain
- SRC
- Knut and Alice Wallenberg Foundation, Sweden
- SERI
- SNSF
- Canton of Bern, Switzerland
- Canton of Geneva, Switzerland
- MOST, Taiwan
- TAEK, Turkey
- STFC, United Kingdom
- DOE, United States of America
- NSF, United States of America
- BCKDF
- Canada Council
- CANARIE
- CRC
- Compute Canada
- FQRNT
- Ontario Innovation Trust, Canada
- EPLANET
- ERC
- FP7
- Horizon
- Marie Sklodowska Curie Actions, European Union
- Investissements d'Avenir Labex
- Idex
- ANR
- Region Auvergne
- Fondation Partager le Savoir, France
- DFG
- AvH Foundation, Germany
- Herakleitos, Thales
- Aristeia programmes - EU-ESF
- Greek NSRF
- BSF, Israel
- GIF, Israel
- Minerva, Israel
- BRF, Norway
- Generalitat de Catalunya
- Generalitat Valenciana, Spain
- Royal Society
- Leverhulme Trust, United Kingdom
- ICREA Funding Source: Custom
- STFC [ST/L001144/1, ST/L005662/1, ST/K003666/1, ST/M006417/1, ST/L006162/1, ST/I005846/1, ST/J004804/1, ST/J005533/1, ST/N000307/1, ST/M000753/1, ST/L000997/1, ST/N000463/1, ST/N000331/1, ST/K001361/1, ST/N000277/1, ST/N000234/1, ST/L003449/1, ST/K001329/1, ST/M001431/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/I005846/1, 1366825, ST/K001361/1, ST/L000997/1, ST/M006417/1, ST/K001329/1 ATLAS, ST/L006162/1, ST/J005533/1, ST/J004804/1, ST/N000234/1, ST/M001431/1, ST/M000753/1, ST/N000463/1, ST/N000277/1, ATLAS, ST/K001329/1, ST/L003449/1, ST/K003666/1, GRIDPP, ST/L005662/1, ST/N000331/1, ST/N000307/1, ST/L001144/1, PP/E000444/1] Funding Source: researchfish
- Division Of Physics
- Direct For Mathematical & Physical Scien [1410972, 1119200] Funding Source: National Science Foundation
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Measurements of the per-event charged-particle yield as a function of the charged-particle transverse momentum and rapidity are performed using p + Pbcollision data collected by the ATLAS experiment at the LHC at a centre-of-mass energy of root sNN= 5.02 TeV. Charged particles are reconstructed over pseudorapidity |eta| < 2.3and transverse momentum between 0.1GeVand 22GeVin a dataset corresponding to an integrated luminosity of 1 mu b(-1). The results are presented in the form of chargedparticle nuclear modification factors, where the p + Pbcharged-particle multiplicities are compared between central and peripheral p + Pbcollisions as well as to charged-particle cross sections measured in ppcollisions. The p + Pbcollision centrality is characterized by the total transverse energy measured in -4.9<-3.1, which is in the direction of the outgoing lead beam. Three different estimations of the number of nucleons participating in the p + Pbcollision are carried out using the Glauber model and two Glauber-Gribov colour-fluctuation extensions to the Glauber model. The values of the nuclear modification factors are found to vary significantly as a function of rapidity and transverse momentum. Abroad peak is observed for all centralities and rapidities in the nuclear modification factors for chargedparticle transverse momentum values around 3GeV. The magnitude of the peak increases for more central collisions as well as rapidity ranges closer to the direction of the outgoing lead nucleus. (C) 2016 The Author(s). Published by Elsevier B.V.
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