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Femtoscopy with identified charged pions in proton-lead collisions at √.sup.s./sup.NN=5.02 TeV with ATLAS
- 1.0501225 - FZÚ 2019 RIV US eng J - Článek v odborném periodiku
Aaboud, M. - Aad, G. - Abbott, B. - Chudoba, Jiří - Havránek, Miroslav - Hejbal, Jiří - Jakoubek, Tomáš - Kepka, Oldřich - Kupčo, Alexander - Kůs, Vlastimil - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Penc, Ondřej - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek … celkem 2847 autorů
Femtoscopy with identified charged pions in proton-lead collisions at √sNN=5.02 TeV with ATLAS.
Physical Review C. Roč. 96, č. 6 (2017), s. 1-38, č. článku 064908. ISSN 2469-9985. E-ISSN 2469-9993
Grant CEP: GA MŠMT LM2015058
Institucionální podpora: RVO:68378271
Klíčová slova: ATLAS * CERN LHC Coll * experimental results * 5020 GeV-cms * impact parameter: dependence * scaling
Obor OECD: Particles and field physics
Impakt faktor: 3.304, rok: 2017
Bose-Einstein correlations between identified charged pions are measured for p+Pb collisions at sNN=5.02TeV using data recorded by the ATLAS detector at the CERN Large Hadron Collider corresponding to a total integrated luminosity of 28nb−1. Pions are identified using ionization energy loss measured in the pixel detector. Two-particle correlation functions and the extracted source radii are presented as a function of collision centrality as well as the average transverse momentum (kT) and rapidity (yππ★) of the pair. Pairs are selected with a rapidity −2<yππ★<1 and with an average transverse momentum 0.1<kT<0.8GeV. The effect of jet fragmentation on the two-particle correlation function is studied, and a method using opposite-charge pair data to constrain its contributions to the measured correlations is described. The measured source sizes are substantially larger in more central collisions and are observed to decrease with increasing pair kT.
Trvalý link: http://hdl.handle.net/11104/0293224
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