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Production of deuterons, tritons, He-3 nuclei, and their antinuclei in pp collisions at root s=0.9, 2.76, and 7 TeV
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SYSNO ASEP 0488731 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Production of deuterons, tritons, He-3 nuclei, and their antinuclei in pp collisions at root s=0.9, 2.76, and 7 TeV Author(s) Acharya, S. (IN)
Adamová, Dagmar (UJF-V) RID, ORCID, SAI
Bielčík, J. (CZ)
Bielčíková, Jana (UJF-V) RID, ORCID, SAI
Broz, M. (CZ)
Contreras, J. G. (CZ)
Hladký, Jan (FZU-D) RID, ORCID, SAI
Horák, D. (CZ)
Křížek, Filip (UJF-V) RID, ORCID, SAI
Kučera, Vít (UJF-V) RID
Kushpil, Svetlana (UJF-V) RID, ORCID, SAI
Lavička, R. (CZ)
Mareš, Jiří A. (FZU-D) RID, ORCID
Petráček, V. (CZ)
Šumbera, Michal (UJF-V) RID, ORCID, SAI
Vaňát, Tomáš (UJF-V) ORCID, SAI
Závada, Petr (FZU-D) RID, ORCIDNumber of authors 1026 Article number 024615 Source Title Physical Review C. - : American Physical Society - ISSN 2469-9985
Roč. 97, č. 2 (2018)Number of pages 17 s. Publication form Print - P Language eng - English Country US - United States Keywords ALICE ; proton-proton collisions Subject RIV BG - Nuclear, Atomic and Molecular Physics, Colliders OECD category Nuclear physics Subject RIV - cooperation Institute of Physics - Elementary Particles and High Energy Physics R&D Projects LG15052 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UJF-V - RVO:61389005 ; FZU-D - RVO:68378271 UT WOS 000425604200004 EID SCOPUS 85043485656 DOI 10.1103/PhysRevC.97.024615 Annotation Invariant differential yields of deuterons and antideuterons in pp collisions at root s = 0.9, 2.76 and 7 TeV and the yields of tritons, He-3 nuclei, and their antinuclei at root s = 7 TeV have been measured with the ALICE detector at the CERN Large Hadron Collider. The measurements cover a wide transverse momentum (p(T)) range in the rapidity interval vertical bar y vertical bar < 0.5, extending both the energy and the pT reach of previous measurements up to 3 GeV/c for A = 2 and 6 GeV/c for A = 3. The coalescence parameters of (anti) deuterons and 3 He nuclei exhibit an increasing trend with pT and are found to be compatible with measurements in pA collisions at low p(T) and lower energies. The integrated yields decrease by a factor of about 1000 for each increase of the mass number with one (anti) nucleon. Furthermore, the deuteron-to-proton ratio is reported as a function of the average charged particle multiplicity at different center-of-mass energies. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2019
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