Angular correlations of identified charged particles measured in pp collisions by ALICE at the LHC
PBN-AR
Instytucja
Wydział Fizyki (Politechnika Warszawska)
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Nuclear Physics A
ISSN
0375-9474
EISSN
Wydawca
DOI
URL
Rok publikacji
2014
Numer zeszytu
Strony od-do
205-212
Numer tomu
926
Liczba arkuszy
0.5
Autorzy
Streszczenia
Język
en
Treść
We report on studies of untriggered two-particle angular correlations of identified particles (pions, kaons and protons) measured in proton-proton collisions at center-of-mass energy sqrt(s) = 7 TeV recorded by ALICE at the LHC. These type of studies are sensitive to a wide range of correlations which arise from different physics mechanisms, each of them having a unique structure in Δ η Δ φ space. The correlations of particles with different quark content and flavor are sensitive to various conservation laws. The study of these correlations is the main goal of this analysis. The results confirm that these laws strongly influence the shape of the correlation functions for different particle types and must be taken into account while analyzing the data. Moreover, we verify their implementation using two Monte Carlo event generators and we found that the analyzed models do not reproduce the measured correlations for protons. © 2014 Elsevier B.V. All rights reserved.
Inne
System-identifier
WUTe222fed37f9b49a3bfb7b41d1866a5b7
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