Pseudorapidity Distributions of Charged Hadrons in Proton-Lead Collisions at sNN????=5.02sNN=5.02 and 8.16 TeV
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Tarih
2018
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Springer Link
Erişim Hakkı
Özet
The pseudorapidity distributions of charged hadrons in proton-lead collisions at nucleon-nucleon center-of-mass energies sNN????=5.02sNN=5.02 and 8.16 TeV are presented. The measurements are based on data samples collected by the CMS experiment at the LHC. The number of primary charged hadrons produced in non-single-diffractive proton-lead collisions is determined in the pseudorapidity range |?lab| < 2.4. The charged-hadron multiplicity distributions are compared to the predictions from theoretical calculations and Monte Carlo event generators. In the center-of-mass pseudorapidity range |?cm| < 0.5, the average charged-hadron multiplicity densities ?dNch/d?cm?|?cm|?<?0.5 are 17.31 ± 0.01 (stat) ± 0.59 (syst) and 20.10 ± 0.01 (stat) ± 0.85(syst) at sNN????=5.02sNN=5.02 and 8.16 TeV, respectively. The particle densities per participant nucleon are compared to similar measurements in proton-proton, proton-nucleus, and nucleus-nucleus collisions.
Açıklama
Anahtar Kelimeler
Hadron-Hadron scattering, Heavy-ion collision
Kaynak
WoS Q Değeri
Q1
Scopus Q Değeri
Q1
