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CERN Document Server Pronađeno je 109 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.91 sekundi 
1.
Complete measurement of three-body photodisintegration of $^{3}He$ for photon energies between 0.35 and 1.55 GeV / CLAS Collaboration
DAPNIA-2004-268. - 2004. - 22 p.
Fulltext
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2.
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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3.
The production of $\phi , \omega$ and $\rho$ mesons in $p$-, $d$-, S- and Pb- induced reactions at the CERN SPS / Jouan, D ; Alessandro, B ; Alexa, C ; Arnaldi, R ; Atayan, M ; Baglin, C ; Baldit, A ; Bedjidian, M ; Beolè, S ; Boldea, V et al.
From proton, deuteron, S- and Pb-induced reactions, experiments NA38 and NA50 have measured muon pair production with various targets. In particular, the production rates of the $\phi, \omega$ and $\rho$ mesons have been simultaneously extracted and compared. [...]
2004 - Published in : J. Phys. G 30 (2004) S277-82
In : 7th International Conference on Strangeness in Quark Matter, Atlantic Beach, NC, USA, 12 - 17 Mar 2003, pp.S277-82
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4.
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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5.
Results from the NA50 experiment on $J/\psi$ suppression and charged particle pseudorapidity distributions in Pb-Pb collisions / NA50 Collaboration
We report preliminary results on $J/\psi$ suppression in Pb-Pb collisions at 158 GeV/c incident momentum. The new study is based on the most recent data collected with improved experimental conditions and extending over a large centrality range. [...]
2003
In : 32nd International Symposium on Multiparticle Dynamics, Alushta, Ukraine, 7 - 13 Sep 2002, pp.115-20
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6.
Pseudorapidity distributions of charged particles in Pb-Pb collisions at super proton synchrotron energies from the NA50 experiment / NA50 Collaboration
We present the measurements of charged particle pseudorapidity distributions $dN\_{ch}/d \eta$ performed by the NA50 experiment in Pb-Pb collisions at the CERN SPS. Measurements were done at incident energies of 40 GeV ($\sqrt{s}$ = 8.77 GeV) and 158 GeV ($\sqrt{s}$ = 17.3 GeV) per nucleon over a broad impact parameter range. [...]
2003 - Published in : Pramana - J. Phys. 60 (2003) 1059-1065
In : 4th International Conference on Physics and Astrophysics of Quark-Gluon Plasma, Jaipur, India, 26 - 30 Nov 2001, pp.1059-1065
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7.
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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8.
Transverse-momentum fluctuations in $\pi^{+}p$ and $K^{+}p$ collisions at 250 GeV/c / NA22 Collaboration
We report results on event-by-event fluctuations of transverse momentum, Phi (p/sub t/), in pi /sup +/p and K/sup +/p collisions at 250 GeV/c. For the first time, their dependence on rapidity region, transverse momentum acceptance, multiplicity, mean transverse momentum per event, and on the correlation between transverse momentum and multiplicity are systematically presented. [...]
2002 - Published in : Phys. Rev. Lett. 89 (2002) 121802/1-4
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9.
Results on leptonic probes from NA50 / NA50 Collaboration
The NA50 Collaboration has performed a new measurement of the J/$\psi$ yield in Pb-Pb collisions at 158 GeV/nucleon in improved experimental conditions. Our preliminary analysis of the year 2000 data sample, while confirming the onset of anomalous suppression and the non saturation of the J/$\psi$ / Drell-Yan cross-section ratio, shows that peripheral Pb-Pb interactions follow the normal nuclear absorption pattern, which has in turn been established more precisely thanks to high statistics p-A data. [...]
2003 - Published in : Nucl. Phys. A 715 (2003) 243c-51c
In : 16th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions, Nantes, France, 18 - 24 Jul 2002, pp.243c-51c
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10.
Transverse momentum distribution of J/$\psi$ produced in Pb-Pb and p-A interactions at the CERN SPS / NA50 Collaboration
Muon pairs produced in Pb-Pb interactions at 158 GeV/c per nucleon and in p-A interactions at 400 GeV/c, together with older S-U results obtained at 200 GeV/c are used to study the transverse momentum and transverse mass distributions of the J/$\psi$. (13 refs)..
2003 - Published in : Nucl. Phys. A 715 (2003) 675c-8c
In : 16th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions, Nantes, France, 18 - 24 Jul 2002, pp.675c-8c
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CERN Document Server : Pronađeno je 109 zapisa   1 - 10slijedećikraj  idi na zapis:
Također vidi: slična imena autora
9 Hakobyan, R
9 Hakobyan, R.
3 Hakobyan, R.H.
16 Hakobyan, R.S.
3 Hakobyan, R.Sh.
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