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    Title: Photonuclear vector meson production in ultra-peripheral Pb-Pb collisions studied by the ALICE experiment at the LHC
    Author: Nystrand, Joakim
    Subject: Nuclear Experiment ; High Energy Physics - Experiment
    Description: The strong electromagnetic fields surrounding the Pb-ions accelerated at the CERN Large Hadron Collider (LHC) allow two-photon and photonuclear interactions to be studied in a so far unexplored kinematic regime. Exclusive photoproduction of vector mesons can be studied in ultra-peripheral collisions, where the impact parameters are larger than the sum of the nuclear radii and hadronic interactions are strongly suppressed. During the heavy-ion runs at the LHC in 2010 and 2011, the ALICE collaboration used special triggers to select ultra-peripheral collisions. These triggers were based on the Muon spectrometer, the Time-of-Flight detector, the Silicon Pixel detector, and the VZERO scintillator array. Information from other detectors was also used in the analysis. The cross section for coherent photoproduction of J/Psi mesons at forward rapidities will be presented. The result will be compared to model calculations and its implications for nuclear gluon shadowing will be discussed. Comment: 7 pages, 3 figures. Presented at the Xth Quark Confinement and the Hadron Spectrum Conference, Munich, Germany, 8 - 12 October 2012
    Identifier: 1303.2009 (ARXIV ID)

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    Photonuclear vector meson production in ultra-peripheral Pb-Pb collisions studied by the ALICE experiment at the LHC

    Nystrand, Joakim
    arXiv.org, Mar 8, 2013
    © ProQuest LLC All rights reserved, Engineering Database, Publicly Available Content Database, ProQuest Engineering Collection, ProQuest Technology Collection, ProQuest SciTech Collection, Materials Science & Engineering Database, ProQuest Central (new), ProQuest Central Korea, SciTech Premium Collection, Technology Collection, ProQuest Central Essentials, ProQuest One Academic, Engineering Collection (ProQuest)
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    Title: Photonuclear vector meson production in ultra-peripheral Pb-Pb collisions studied by the ALICE experiment at the LHC
    Author: Nystrand, Joakim
    Contributor: Nystrand, Joakim (pacrepositoryorg)
    Subject: Photoproduction ; Collisions ; Scintillation Counters ; Vector Mesons ; Large Hadron Collider ; Mesons ; Electromagnetic Fields ; Particle Production
    Description: The strong electromagnetic fields surrounding the Pb-ions accelerated at the CERN Large Hadron Collider (LHC) allow two-photon and photonuclear interactions to be studied in a so far unexplored kinematic regime. Exclusive photoproduction of vector mesons can be studied in ultra-peripheral collisions, where the impact parameters are larger than the sum of the nuclear radii and hadronic interactions are strongly suppressed. During the heavy-ion runs at the LHC in 2010 and 2011, the ALICE collaboration used special triggers to select ultra-peripheral collisions. These triggers were based on the Muon spectrometer, the Time-of-Flight detector, the Silicon Pixel detector, and the VZERO scintillator array. Information from other detectors was also used in the analysis. The cross section for coherent photoproduction of J/Psi mesons at forward rapidities will be presented. The result will be compared to model calculations and its implications for nuclear gluon shadowing will be discussed.
    Is part of: arXiv.org, Mar 8, 2013
    Identifier: 2331-8422 (E-ISSN)

    • Several versions

    Photonuclear production of vector mesons in ultra-peripheral Pb-Pb collisions at the LHC

    Nystrand, Joakim
    arXiv.org, Oct 31, 2014 [Peer Reviewed Journal]

    • Several versions

    Pseudorapidity density of charged particles p-Pb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV

    Alme, Johan, Erdal, Hege Austrheim, Helstrup, Håvard, Hetland, Kristin Fanebust, Kileng, Bjarte, Altinpinar, Sedat, Djuvsland, Øystein, Fehlker, Dominik, Haaland, Øystein Senneset, Huang, Meidana, Langøy, Rune, Lien, Jørgen, Lønne, Per-Ivar, Nystrand, Joakim
    Physical review letters, 2013 [Peer Reviewed Journal]

    • Several versions

    Pion, Kaon, and Proton Production in Central Pb--Pb Collisions at $\sqrt{s_{NN}}$ = 2.76 TeV

    Alme, Johan, Erdal, Hege Austrheim, Helstrup, Håvard, Hetland, Kristin Fanebust, Kileng, Bjarte, Altinpinar, Sedat, Djuvsland, Øystein, Fehlker, Dominik, Haaland, Øystein Senneset, Huang, Meidana, Langøy, Rune, Lien, Jørgen, Liu, Lijiao, Nystrand, Joakim, Røed, Ketil
    Physical review letters, 2012 [Peer Reviewed Journal]

    • Several versions

    Transverse Momentum Distribution and Nuclear Modification Factor of Charged Particles in p-Pb Collisions at $\sqrt{s_{NN}}$ = 5.02 TeV

    Alme, Johan, Erdal, Hege Austrheim, Helstrup, Håvard, Hetland, Kristin Fanebust, Kileng, Bjarte, Altinpinar, Sedat, Djuvsland, Øystein, Fehlker, Dominik, Haaland, Øystein Senneset, Huang, Meidana, Langøy, Rune, Lien, Jørgen, Lønne, Per-Ivar, Nystrand, Joakim
    Physical review letters, 2013 [Peer Reviewed Journal]

    • Several versions

    Particle-yield modification in jet-like azimuthal dihadron correlations in Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV

    Aamodt, Kenneth, Altinpinar, Sedat, Djuvsland, Øystein, Fehlker, Dominik, Haaland, Øystein Senneset, Huang, Meidana, Kanaki, Kalliopi, Larsen, Dag Toppe, Lien, Jørgen, Liu, Lijiao, Lønne, Per-Ivar, Nystrand, Joakim, Øvrebekk, Gaute, Richter, Matthias, Røhrich, Dieter
    Physical review letters, 2012 [Peer Reviewed Journal]

    • Several versions

    Directed flow of charged particles at mid-rapidity relative to the spectator plane in Pb-Pb collisions at $\sqrt{s_{NN}}$=2.76 TeV

    Alme, Johan, Erdal, Hege Austrheim, Helstrup, Håvard, Hetland, Kristin Fanebust, Kileng, Bjarte, Altinpinar, Sedat, Djuvsland, Øystein, Fehlker, Dominik, Haaland, Øystein Senneset, Huang, Meidana, Langøy, Rune, Lien, Jørgen, Lønne, Per-Ivar, Nystrand, Joakim
    Physical review letters, 2013 [Peer Reviewed Journal]

    • Several versions

    J/$\psi$ Elliptic Flow in Pb-Pb Collisions at $\sqrt{s_{NN}}$=2.76 TeV

    Alme, Johan, Erdal, Hege Austrheim, Helstrup, Håvard, Hetland, Kristin Fanebust, Kileng, Bjarte, Altinpinar, Sedat, Djuvsland, Øystein, Fehlker, Dominik, Haaland, Øystein Senneset, Huang, Meidana, Langøy, Rune, Lien, Jørgen, Lønne, Per-Ivar, Nystrand, Joakim
    Physical review letters, 2013 [Peer Reviewed Journal]

    • Several versions

    Charge separation relative to the reaction plane in Pb-Pb collisions at $\sqrt{s_{NN}}$= 2.76 TeV

    Alme, Johan, Erdal, Hege Austrheim, Helstrup, Håvard, Hetland, Kristin Fanebust, Kileng, Bjarte, Altinpinar, Sedat, Djuvsland, Øystein, Fehlker, Dominik, Haaland, Øystein Senneset, Huang, Meidana, Langøy, Rune, Lien, Jørgen, Liu, Lijiao, Nystrand, Joakim, Røed, Ketil
    Physical review letters, 2013 [Peer Reviewed Journal]