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Indications for the Onset of Deconfinement in Pb + Pb Collisions at the CERN SPS from NA49

Authors :
Alt, C.
Antičić, Tome
Baatar, B.
Barna, D.
Bartke, J.
Betev, L.
Bialkowska, H.
Blume, C.
Boimska, B.
Botje, M.
Bracinik, J.
Bramm, R.
Brun, R.
Buncic, P.
Cerny, V.
Christakoglou, P.
Chvala, O.
Cramer, J.G.
Csato, P.
Darmenov, N.
Dimitrov, A.
Dinkelaker, P.
Eckardt, V.
Farantatos, G.
Flierl, D.
Fodor, Z.
Foka, P.
Freund, P.
Friese, V.
Gal, J.
Gazdzicki, M.
Georgopoulos, G.
Gladysz, E.
Grebieszkow, K.
Hegyi, S.
Hohne, C.
Kadija, Krešo
Karev, A.
Kliemant, M.
Kniege, S.
Kolesnikov, V.I.
Kollegger, T.
Kornas, E.
Korus, R.
Kowalski, M.
Kraus, I.
Kreps, M.
van Leeuwen, M.
Levai, P.
Litov, L.
Lungwitz, B.
Makariev, M.
Malakhov, A.I.
Markert, C.
Mateev, M.
Mayes, B.W.
Melkumov, G.L.
Meurer, C.
Mischke, A.
Mitrovski, M.
Molnar, J.
Mrowczynski, St.
Palla, G.
Panagiotou, A.D.
Panayotov, D.
Petridis, A.
Pikna, M.
Pinsky, L.
Puhlhofer, F.
Renfordt, R.
Richard, A.
Roland, C.
Roland, G.
Rybczynski, M.
Rybicki, A.
Sandoval, A.
Sann, H.
Schmitz, N.
Sikler, F.
Sitar, B.
Skrzypczak, E.
Stefanek, G.
Stock, R.
Strobele, H.
Šuša, Tatjana
Szentpetery, I.
Sziklai, J.
Trainor, T.A.
Varga, D.
Vassiliou, M.
Veres, G.I.
Vesztergombi, G.
Vranic, D.
Wetzler, A.
Wlodarczyk, Z.
Yoo, I.K.
Zaranek, J.
Zimanyi, J.
Publication Year :
2005

Abstract

Particle production in central Pb+Pb collisions was studied with the NA49 large acceptance spectrometer at the CERN SPS at the beam energies 20, 30, 40, 80 and 158 GeV per nucleon. A change of the energy dependence is observed around 30A GeV for the yields of pions and strange particles as well as for the shapes of the transverse mass spectra. At present only a reaction scenario with onset of deconfinement is able to reproduce the measurements.

Subjects

Subjects :
Nuclear Theory
High Energy Physics::Experiment
particle production
energy scan
NA49
CERN
deconfinement
Nuclear Experiment

Details

Language :
English
Database :
OpenAIRE
Accession number :
edsair.57a035e5b1ae..367adad04b1c4dd793e2da7b1bbfab18

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