Title
Coherent photoproduction of ρ 0 vector mesons in ultra-peripheral Pb-Pb collisions at √sNN = 5.02 TeV
Date Issued
01 June 2020
Access level
open access
Resource Type
journal article
Author(s)
Acharya S.
Adamová D.
Adler A.
Adolfsson J.
Aggarwal M.M.
Aglieri Rinella G.
Agnello M.
Agrawal N.
Ahammed Z.
Ahmad S.
Ahn S.U.
Akindinov A.
Al-Turany M.
Alam S.N.
Albuquerque D.S.D.
Aleksandrov D.
Alessandro B.
Alfanda H.M.
Alfaro Molina R.
Ali B.
Ali Y.
Alici A.
Alkin A.
Alme J.
Alt T.
Altenkamper L.
Altsybeev I.
Anaam M.N.
Andrei C.
Andreou D.
Andrews H.A.
Andronic A.
Angeletti M.
Anguelov V.
Anson C.
Antičić T.
Antinori F.
Antonioli P.
Apadula N.
Aphecetche L.
Appelshäuser H.
Arcelli S.
Arnaldi R.
Arratia M.
Arsene I.C.
Arslandok M.
Augustinus A.
Averbeck R.
Aziz S.
Azmi M.D.
Badalà A.
Baek Y.W.
Bagnasco S.
Bai X.
Bailhache R.
Bala R.
Balbino A.
Baldisseri A.
Ball M.
Balouza S.
Banerjee D.
Barbera R.
Barioglio L.
Barnaföldi G.G.
Barnby L.S.
Barret V.
Bartalini P.
Barth K.
Bartsch E.
Baruffaldi F.
Bastid N.
Basu S.
Batigne G.
Batyunya B.
Bauri D.
Bearden I.G.
Beattie C.
Bedda C.
Behera N.K.
Belikov I.
Bell Hechavarria A.D.C.
Bellini F.
Bellwied R.
Belyaev V.
Bencedi G.
Beole S.
Bercuci A.
Berdnikov Y.
Berenyi D.
Bertens R.A.
Berzano D.
Besoiu M.G.
Betev L.
Bhasin A.
Bhat I.R.
Bhat M.A.
Bhatt H.
Bhattacharjee B.
Bianchi A.
Budker Institute for Nuclear Physics
Publisher(s)
Springer Science and Business Media Deutschland GmbH
Abstract
Cross sections for the coherent photoproduction of ρ0 vector mesons in ultra-peripheral Pb-Pb collisions at sNN = 5.02 TeV are reported. The measurements, which rely on the π+π− decay channel, are presented in three regions of rapidity covering the range |y| < 0.8. For each rapidity interval, cross sections are shown for different nuclear-breakup classes defined according to the presence of neutrons measured in the zero-degree calorimeters. The results are compared with predictions based on different models of nuclear shadowing. Finally, the observation of a coherently produced resonance-like structure with a mass around 1.7 GeV/c2 and a width of about 140 MeV/c2 is reported and compared with similar observations from other experiments.
Volume
2020
Issue
6
Language
English
Scopus EID
2-s2.0-85088861612
Source
Journal of High Energy Physics
ISSN of the container
10298479
Sources of information: Directorio de Producción Científica Scopus