Two-pion femtoscopy in p-Pb collisions at √sN N = 5.02 TeV

We report the results of the femtoscopic analysis of pairs of identical pions measured in p-Pb collisions at sNN = 5.02 TeV. Femtoscopic radii are determined as a function of event multiplicity and pair momentum in three spatial dimensions. As in the pp collision system, the analysis is complicated by the presence of sizable background correlation structures in addition to the femtoscopic signal. The radii increase with event multiplicity and decrease with pair transverse momentum. When taken at comparable multiplicity, the radii measured in p-Pb collisions, at high multiplicity and low pair transverse momentum, are 10%–20% higher than those observed in pp collisions but below those observed in A-A collisions. The results are compared to hydrodynamic predictions at large event multiplicity as well as discussed in the context of calculations based on gluon saturation.

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Eser Adı
(dc.title)
Two-pion femtoscopy in p-Pb collisions at √sN N = 5.02 TeV
Özet
(dc.description.abstract)
We report the results of the femtoscopic analysis of pairs of identical pions measured in p-Pb collisions at sNN = 5.02 TeV. Femtoscopic radii are determined as a function of event multiplicity and pair momentum in three spatial dimensions. As in the pp collision system, the analysis is complicated by the presence of sizable background correlation structures in addition to the femtoscopic signal. The radii increase with event multiplicity and decrease with pair transverse momentum. When taken at comparable multiplicity, the radii measured in p-Pb collisions, at high multiplicity and low pair transverse momentum, are 10%–20% higher than those observed in pp collisions but below those observed in A-A collisions. The results are compared to hydrodynamic predictions at large event multiplicity as well as discussed in the context of calculations based on gluon saturation.
Yayın Tarihi
(dc.date.issued)
2015
Kayıt Giriş Tarihi
(dc.date.accessioned)
2019-07-05T11:23:56Z
Açık Erişim tarihi
(dc.date.available)
2019-07-05T11:23:56Z
Yayın Dili
(dc.language.iso)
eng
Konu Başlıkları
(dc.subject)
Femtoscopy
Konu Başlıkları
(dc.subject)
LHC
Konu Başlıkları
(dc.subject)
ALICE
Yayın Türü
(dc.type)
Makale
Yazar/lar
(dc.contributor.author)
KARASU UYSAL, Ayben
Yazar/lar
(dc.contributor.author)
ALICE Collaboration
Tek Biçim Adres
(dc.identifier.uri)
https://hdl.handle.net/20.500.12498/506
DOI Numarası
(dc.identifier.doi)
10.1103/PhysRevC.91.034906
Atıf Dizini
(dc.source.database)
Wos
Atıf Dizini
(dc.source.database)
Scopus
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