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Transverse momentum spectra of charged particles in proton-proton collisions at root s=900 GeV with ALICE at the LHC

SYSNO ASEP	0355546
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Transverse momentum spectra of charged particles in proton-proton collisions at root s=900 GeV with ALICE at the LHC
Author(s)	Aamodt, K. (NO) Abel, N. (DE) Abeysekara, U. (US) Quintana, A.A. (KP) Abramyan, A. (AM) Adamová, Dagmar (UJF-V)_{RID, ORCID, SAI} Bielčík, Jaroslav (UJF-V) Bielčíková, Jana (UJF-V)_{RID, ORCID, SAI} Kapitán, Jan (UJF-V) Kushpil, Svetlana (UJF-V)_{RID, ORCID, SAI} Kushpil, Vasilij (UJF-V)_{ORCID, SAI} Pachr, M. (CZ) Petráček, Vojtěch (UJF-V) Rak, Jan (UJF-V) Šumbera, Michal (UJF-V)_{RID, ORCID, SAI} Tlustý, David (UJF-V) Wagner, Vladimír (UJF-V)_{RID, ORCID, SAI}
Number of authors	1062
Source Title	Physics Letters. B. - : Elsevier - ISSN 0370-2693 Roč. 693, č. 2 (2010), s. 53-68
Number of pages	16 s.
Language	eng - English
Country	NL - Netherlands
Keywords	ALICE ; LHC ; Transverse momentum
Subject RIV	BG - Nuclear, Atomic and Molecular Physics, Colliders
CEZ	AV0Z10480505 - UJF-V (2005-2011)
UT WOS	000283020100001
DOI	10.1016/j.physletb.2010.08.026
Annotation	The inclusive charged particle transverse momentum distribution is measured in proton-proton collisions at root s = 900 GeV at the LHC using the ALICE detector. The measurement is performed in the central pseudorapidity region (vertical bar eta vertical bar < 0.8) over the transverse momentum range 0.15 < p(T) < 10 GeV/c. The correlation between transverse momentum and particle multiplicity is also studied. Results are presented for inelastic (INEL) and non-single-diffractive (NSD) events. The average transverse momentum for vertical bar eta vertical bar < 0.8 is p(T)(INEL) = 0.483 +/- 0.001 (stat.) +/- 0.007 (syst.) GeV/c and p(T)(NSD) = 0.489 +/- 0.001 (stat.) +/- 0.007 (syst.) GeV/c, respectively. The data exhibit a slightly larger p(T) than measurements in wider pseudorapidity intervals. The results are compared to simulations with the Monte Carlo event generators PYTHIA and PHOJET.
Workplace	Nuclear Physics Institute
Contact	Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228
Year of Publishing	2011

Number of the records: 1