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Description
| - Abstract: The ALICE Collaboration has studied the inclusive production of the charmonium state psi(2S) in proton-lead (p-Pb) collisions at the nucleon-nucleon centre of mass energy (formula presented.) = 5.02 TeV at the CERN LHC. The measurement was performed at forward (2.03 < ycms< 3.53) and backward (4.46 < ycms< 2.96) centre of mass rapidities, studying the decays into muon pairs. In this paper, we present the inclusive production cross sections σψ(2S), both integrated and as a function of the transverse momentum pT, for the two ycms domains. The results are compared to those obtained for the 1S vector state (J/psi), by showing the ratios between the production cross sections, as well as the double ratios between p-Pb and proton-proton collisions. Finally, the nuclear modification factor for inclusive ψ(2S) is evaluated and compared to the measurement of the same quantity for J/ψ and to theoretical models including parton shadowing and coherent energy loss mechanisms. The results show a significantly larger suppression of the psi(2S) compared to that measured for J/ψ and to models. These observations represent a clear indication for sizeable final state effects on psi(2S) production
- Abstract: The ALICE Collaboration has studied the inclusive production of the charmonium state psi(2S) in proton-lead (p-Pb) collisions at the nucleon-nucleon centre of mass energy (formula presented.) = 5.02 TeV at the CERN LHC. The measurement was performed at forward (2.03 < ycms< 3.53) and backward (4.46 < ycms< 2.96) centre of mass rapidities, studying the decays into muon pairs. In this paper, we present the inclusive production cross sections σψ(2S), both integrated and as a function of the transverse momentum pT, for the two ycms domains. The results are compared to those obtained for the 1S vector state (J/psi), by showing the ratios between the production cross sections, as well as the double ratios between p-Pb and proton-proton collisions. Finally, the nuclear modification factor for inclusive ψ(2S) is evaluated and compared to the measurement of the same quantity for J/ψ and to theoretical models including parton shadowing and coherent energy loss mechanisms. The results show a significantly larger suppression of the psi(2S) compared to that measured for J/ψ and to models. These observations represent a clear indication for sizeable final state effects on psi(2S) production (en)
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Title
| - Suppression of psi(2S) production in p-Pb collisions at root s(NN)=5.02 TeV
- Suppression of psi(2S) production in p-Pb collisions at root s(NN)=5.02 TeV (en)
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skos:prefLabel
| - Suppression of psi(2S) production in p-Pb collisions at root s(NN)=5.02 TeV
- Suppression of psi(2S) production in p-Pb collisions at root s(NN)=5.02 TeV (en)
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skos:notation
| - RIV/61389005:_____/14:00440761!RIV15-AV0-61389005
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/61389005:_____/14:00440761
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - charm physics; heavy ions; ALICE collaboration (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Journal of High Energy Physics
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Adamová, Dagmar
- Bielčík, J.
- Bielčíková, Jana
- Brož, M.
- Kushpil, Svetlana
- Křížek, Filip
- Mareš, Jiří A.
- Wagner, V.
- Závada, Petr
- Špaček, M.
- Šumbera, Michal
- Abelev, B.
- Adam, J.
- Čepila, J.
- Hladký, Jan
- Pachr, M.
- Křelina, M.
- Petráček, V.
- Petráň, M.
- Vajzer, Michal
- Zach, Č.
- Kučera, Vít
- Schulc, M.
- Ferencei, Jozef
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issn
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number of pages
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http://bibframe.org/vocab/doi
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