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Abstract
The charged-particle pseudorapidity density measured over four units of pseudorapidity in nonsingle-diffractive p+Pb collisions at a center-of-mass energy per nucleon pair √sNN=5.02 TeV is presented. The average value at midrapidity is measured to be 16.81±0.71 (syst), which corresponds to 2.14±0.17 (syst) per participating nucleon, calculated with the Glauber model. This is 16% lower than in nonsingle-diffractive pp collisions interpolated to the same collision energy and 84% higher than in d+Au collisions at √sNN=0.2 TeV. The measured pseudorapidity density in p+Pb collisions is compared to model predictions and provides new constraints on the description of particle production in high-energy nuclear collisions.
Original language | English |
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Article number | 032301 |
Number of pages | 10 |
Journal | Physical Review Letters |
Volume | 110 |
Issue number | 3 |
DOIs | |
Publication status | Published - 18 Jan 2013 |
ASJC Scopus subject areas
- Nuclear and High Energy Physics
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Dive into the research topics of 'Pseudorapidity Density of Charged Particles in p+Pb Collisions at √sNN=5.02 TeV'. Together they form a unique fingerprint.Projects
- 1 Finished
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Birmingham Nuclear Physics Consolidated Grant
Freer, M., Evans, P., Jones, P., Wheldon, C. & Lazzeroni, C.
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
1/08/11 → 31/07/14
Project: Research Councils