The transverse momentum (p T ) distribution of primary charged particles is measured in minimum bias (non-single-diffractive) p+Pb collisions at √s NN =5.02 TeV with the ALICE detector at the LHC. The p T spectra measured near central rapidity in the range 0.5<p T <20 GeV/c exhibit a weak pseudorapidity dependence. The nuclear modification factor R pPb is consistent with unity for p T above 2 GeV/c. This measurement indicates that the strong suppression of hadron production at high p T observed in Pb+Pb collisions at the LHC is not due to an initial-state effect. The measurement is compared to theoretical calculations.

Transverse momentum distribution and nuclear modification factor of charged particles in p+Pb collisions at √s NN =5.02 TeV

CASULA, ESTER ANNA RITA;Cicalo C;COLLU, ALBERTO;DE FALCO, ALESSANDRO;FIONDA, FIORELLA MARIA CELESTE;INCANI, ELISA;PUDDU, GIOVANNA;SIDDHANTA, SABYASACHI;TERREVOLI, CRISTINA;USAI, GIANLUCA;
2013-01-01

Abstract

The transverse momentum (p T ) distribution of primary charged particles is measured in minimum bias (non-single-diffractive) p+Pb collisions at √s NN =5.02 TeV with the ALICE detector at the LHC. The p T spectra measured near central rapidity in the range 0.5

File in questo prodotto:
File Dimensione Formato  
PhysRevLett.110.082302-1.pdf

accesso aperto

Tipologia: versione editoriale
Dimensione 325.09 kB
Formato Adobe PDF
325.09 kB Adobe PDF Visualizza/Apri

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11584/89574
Citazioni
  • ???jsp.display-item.citation.pmc??? 3
  • Scopus 185
  • ???jsp.display-item.citation.isi??? 153
social impact