Title
Multipion Bose-Einstein correlations in pp,p -Pb, and Pb-Pb collisions at energies available at the CERN Large Hadron Collider
Date Issued
18 May 2016
Access level
open access
Resource Type
journal article
Author(s)
Adam J.
Adamová D.
Aggarwal M.M.
Aglieri Rinella G.
Agnello M.
Agrawal N.
Ahammed Z.
Ahmad S.
Ahn S.U.
Aiola S.
Akindinov A.
Alam S.N.
Aleksandrov D.
Alessandro B.
Alexandre D.
Alfaro Molina R.
Alici A.
Alkin A.
Almaraz J.R.M.
Alme J.
Alt T.
Altinpinar S.
Altsybeev I.
Alves Garcia Prado C.
Andrei C.
Andronic A.
Anguelov V.
Antičić T.
Antinori F.
Antonioli P.
Aphecetche L.
Appelshäuser H.
Arcelli S.
Arnaldi R.
Arnold O.W.
Arsene I.C.
Arslandok M.
Audurier B.
Augustinus A.
Averbeck R.
Azmi M.D.
Badalà A.
Baek Y.W.
Bagnasco S.
Bailhache R.
Bala R.
Balasubramanian S.
Baldisseri A.
Baral R.C.
Barbano A.M.
Barbera R.
Barile F.
Barnaföldi G.G.
Barnby L.S.
Barret V.
Bartalini P.
Barth K.
Bartke J.
Bartsch E.
Basile M.
Bastid N.
Basu S.
Bathen B.
Batigne G.
Batista Camejo A.
Batyunya B.
Batzing P.C.
Bearden I.G.
Beck H.
Bedda C.
Behera N.K.
Belikov I.
Bellini F.
Bello Martinez H.
Bellwied R.
Belmont R.
Belmont-Moreno E.
Belyaev V.
Benacek P.
Bencedi G.
Beole S.
Berceanu I.
Bercuci A.
Berdnikov Y.
Berenyi D.
Bertens R.A.
Berzano D.
Betev L.
Bhasin A.
Bhat I.R.
Bhati A.K.
Bhattacharjee B.
Bhom J.
Bianchi L.
Bianchi N.
Bianchin C.
Bielčík J.
Bielčíková J.
Bilandzic A.
Biro G.
Publisher(s)
American Physical Society
Abstract
Three- and four-pion Bose-Einstein correlations are presented in pp,p-Pb, and Pb-Pb collisions at the LHC. We compare our measured four-pion correlations to the expectation derived from two- and three-pion measurements. Such a comparison provides a method to search for coherent pion emission. We also present mixed-charge correlations in order to demonstrate the effectiveness of several analysis procedures such as Coulomb corrections. Same-charge four-pion correlations in pp and p-Pb appear consistent with the expectations from three-pion measurements. However, the presence of non-negligible background correlations in both systems prevent a conclusive statement. In Pb-Pb collisions, we observe a significant suppression of three- and four-pion Bose-Einstein correlations compared to expectations from two-pion measurements. There appears to be no centrality dependence of the suppression within the 0%-50% centrality interval. The origin of the suppression is not clear. However, by postulating either coherent pion emission or large multibody Coulomb effects, the suppression may be explained.
Volume
93
Issue
5
Language
English
OCDE Knowledge area
Física de partículas, Campos de la Física Física atómica, molecular y química Astronomía
Scopus EID
2-s2.0-84971510372
Source
Physical Review C
ISSN of the container
24699985
Sponsor(s)
National Science Foundation - 1305280, 1307461. Science and Technology Facilities Council - 2014 STFC Nuclear Physics CG, ALICE, GRIDPP, ST/J000108/1, ST/L005670/1, ST/L005751/1, ST/M00158X/1, ST/M001598/1, ST/M001601/1, ST/M00340X/1, ST/N00261X/1. Japan Society for the Promotion of Science - 15H03664, 25287048, 26610071.
Sources of information: Directorio de Producción Científica Scopus