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CERN Document Server 2,050 записей найдено  1 - 10следующийконец  перейти к записи: Поиск длился 0.86 секунд. 
1.
(100)
Charmonia suppression in nucleus-nucleus interactions at CERN SPS / Arnaldi, R ; Alessandro, B ; Alexa, C ; Arnaldi, R ; Atayan, M ; Baglin, C ; Baldit, A ; Bedjidian, M ; Beolè, S ; Boldea, V et al.
The NA50 experiment at CERN SPS has studied charmonium production in Pb-Pb collisions at 158 GeV/c per nucleon. According to the theoretical predictions the observation of the suppression of the $J/\psi$ production yield is expected to be an unambiguous probe for a phase transition from ordinary nuclear matter towards a state in which quarks and gluons are deconfined. [...]
2004 - Published in : Acta Phys. Hung. A 19 (2004) 337-41
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2.
(91)
J/$\psi$ suppression in Pb+Pb collisions at CERN SPS / Abreu, M C ; Alessandro, B ; Alexa, C ; Arnaldi, R ; Ataian, M R ; Baglin, C ; Baldit, A ; Bedjidian, Marc ; Beolè, S ; Boldea, V et al.
The NA38 and NA50 experiments at the CERN SPS have measured charmonium production in different colliding systems with the aim of observing a phase transition from ordinary hadronic matter towards a state in which quarks and gluons are deconfined (Quark Gluon Plasma, QGP). In fact it was predicted that the J/$\psi$ yield should be suppressed in deconfined matter. [...]
2001
In : 30th International Symposium on Multiparticle Dynamics, Tihany, Lake Balaton, Hungary, 9 - 15 Oct 2000, pp.492-500
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3.
(85)
J/$\psi$ production in proton-nucleus and nucleus-nucleus interactions at the CERN SPS / NA50 Collaboration
The NA38 and NA50 experiments at the CERN SPS have measured charmonium production in different colliding systems with the aim of observing a phase transition from ordinary hadronic matter towards a state in which quarks and gluons are deconfined (quark-gluon plasma, QGP). This experimental research is based on the prediction that the J/$\psi$ yield should be suppressed in deconfined matter. [...]
Geneva : CERN, 2002
In : 30th International Workshop on Gross Properties of Nuclei and Nuclear Excitations : Ultrarelativistic Heavy Ion Collisions, Hirschegg, Austria, 13 - 19 Jan 2002, pp.254-263
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4.
(82)
Charmonia absorption in p-A collisions at the CERN SPS : results and implications for Pb-Pb interactions / NA50 Collaboration
The NA50 experiment has measured charmonia and Drell-Yan production in proton-nucleus collisions at 450 GeV incident energy. We present results on the nuclear absorption cross section for J/$\psi$ and $\psi^{\prime}$, extracted with the Glauber model. [...]
2003 - Published in : Nucl. Phys. A 715 (2003) 679c-82c
In : 16th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions, Nantes, France, 18 - 24 Jul 2002, pp.679c-82c
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5.
(75)
Evidence for deconfinement from the J/$\psi$ suppression pattern in Pb- Pb collisions by the NA50 experiment / Abreu, M C ; Alessandro, B ; Alexa, C ; Arnaldi, R ; Ataian, M R ; Baglin, C ; Baldit, A ; Bedjidian, Marc ; Beolè, S ; Boldea, V et al.
The NA50 experiment at CERN has found evidence for deconfinement in central Pb-Pb collisions at 158 A GeV/c at the CERN SPS. The anomalous (with respect to ordinary nuclear absorption) suppression of J/$\psi$ has been observed in 1995 and 1996 data and has been confirmed with the 1998 data analysis, where a detailed study of the suppression pattern vs. [...]
2002
In : Conference on Quark Confinement and the Hadron Spectrum Iv, Vienna, Austria, 3 - 8 Jul 2000, pp.357-360
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(74)
Study of deconfinement in NA50 / NA50 Collaboration
The J/$\psi$ production in 158 A GeV Pb-Pb interactions is studied, in the dimuon decay channel, as a function of centrality, as measured with the electromagnetic or, alternatively, with the very forward hadronic calorimeters. After a first sharp variation at mid- centrality, both patterns continue to fall down and-exhibit a curvature change at high centrality values. [...]
2003 - Published in : Pramana - J. Phys. 60 (2003) 817-28
In : 4th International Conference on Physics and Astrophysics of Quark-Gluon Plasma, Jaipur, India, 26 - 30 Nov 2001, pp.817-28
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Centrality behaviour of J/$\psi$ production in NA50 / NA50 Collaboration
The J/$\psi$ production in 158 A GeV Pb-Pb interactions is studied, in the dimuon decay channel, as a function of centrality, as measured with the electromagnetic or with the very forward calorimeters. After a first sharp variation at midcentrality, both patterns continue to fall down and exhibit a curvature change at high centrality values. [...]
2002
In : 31st International Symposium on Multiparticle Dynamics, Datong, China, 1 - 7 Sep 2001, pp.127-31
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8.
(69)
Study of $J/\psi$ suppression in Pb-Pb collisions at the CERN SPS / NA50 Collaboration
We report on a search for a phase transition from ordinary nuclear matter to a state of deconfined quarks and gluons as predicted by lattice QCD calculations. One of the most clean signatures of this state of matter is predicted to be the suppression of the J/$\psi$ production. [...]
Geneva : CERN, 2000
In : International Europhysics Conference on High-Energy Physics, Tampere, Finland, 15 - 21 Jul 1999, pp.959-61
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9.
(68)
Centrality dependence of $J/\psi$ suppression in Pb-Pb collisions at 158 GeV/c / Arnaldi, R (INFN Torino) /NA50 Collaboration
2001
In : International Conference on Hadron Structure 2000, Stará Lesná, Slovakia, 2 - 7 Oct 2000, pp.66-73
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10.
(67)
Charmonium production in Pb-Pb collisions / De Marco, N ; Abreu, M C ; Alessandro, B ; Alexa, C ; Arnaldi, R ; Astruc, J ; Atayan, M ; Baglin, C ; Baldit, A ; Bedjidian, Marc et al.
The NA50 Collaboration studies the J/psi, psi' and Drell-Yan production via their dimuon decay in Pb-Pb interactions at 158 GeV per nucleon at the CERN SPS: the most recent results on charmonium production are presented here..
Geneva : CERN, 2000 - Published in : Czechoslov. J. Phys. 50 (2000) 114-19
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