Evidence for the onset of deconfinement and quest for the critical point by NA49 at the CERN SPS

G. L. Melkumov, T. Anticic, B. Baatar, D. Barna, J. Bartke, H. Beck, L. Betev, H. Bialkowska, C. Blume, M. Bogusz, B. Boimska, J. Book, M. Botje, P. Bunčić, T. Cetner, P. Christakoglou, P. Chung, O. Chvala, J. G. Cramer, V. EckardtZ. Fodor, P. Foka, V. Friese, M. Gaździcki, K. Grebieszkow, C. Höhne, K. Kadija, A. Karev, V. I. Kolesnikov, T. Kolleger, M. Kowalski, D. Kresan, A. László, R. Lacey, M. van Leeuwen, M. Mackowiak, M. Makariev, A. I. Malakhov, M. Mateev, M. Mitrovski, St Mrówczyński, N. Nicolic, G. Pálla, A. D. Planagiotou, W. Peryt, J. Pluta, D. Prindle, F. Pühlhofer, R. Renfordt, C. Roland, G. Roland, M. Rybczyński, A. Rybicki, A. Sandoval, N. Schmitz, T. Schuster, P. Seyboth, F. Siklér, E. Skrzypczak, M. Slodkowski, G. Stefanek, R. Stock, H. Ströbele, T. Susa, M. Szuba, M. Utvić, D. Varga, M. Vassiliou, G. I. Veres, G. Vesztergombi, D. Vranić, Z. Wlodarczyk, A. Wojtaszek-Szwarc

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The NA49 results on hadron production obtained in PbPb collisions at SPS energies from 20 to 158 A GeV are shown and discussed as evidence for the onset of deconfinement. The primary measures are the pion yield, the kaon-to-pion ratio and the slope parameter of transverse mass distributions. The possible indication of the QCD critical point signatures was investigated in the event-by-event fluctuations of various observables such as the mean transverse momentum, particle multiplicity and azimuthal angle distributions as well as in the particle ratio fluctuations. The energy dependence of these observables was measured in central PbPb collisions in the full SPS energy range while for analysis of the system size dependence data from pp, CC, SiSi, and PbPb collisions at the top SPS energy were used.

Original languageEnglish
Pages (from-to)556-566
Number of pages11
JournalPhysics of Atomic Nuclei
Volume75
Issue number5
DOIs
Publication statusPublished - May 2012

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critical point
collisions
pions
energy
mass distribution
transverse momentum
indication
quantum chromodynamics
signatures
slopes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics

Cite this

Melkumov, G. L., Anticic, T., Baatar, B., Barna, D., Bartke, J., Beck, H., ... Wojtaszek-Szwarc, A. (2012). Evidence for the onset of deconfinement and quest for the critical point by NA49 at the CERN SPS. Physics of Atomic Nuclei, 75(5), 556-566. https://doi.org/10.1134/S1063778812050158

Evidence for the onset of deconfinement and quest for the critical point by NA49 at the CERN SPS. / Melkumov, G. L.; Anticic, T.; Baatar, B.; Barna, D.; Bartke, J.; Beck, H.; Betev, L.; Bialkowska, H.; Blume, C.; Bogusz, M.; Boimska, B.; Book, J.; Botje, M.; Bunčić, P.; Cetner, T.; Christakoglou, P.; Chung, P.; Chvala, O.; Cramer, J. G.; Eckardt, V.; Fodor, Z.; Foka, P.; Friese, V.; Gaździcki, M.; Grebieszkow, K.; Höhne, C.; Kadija, K.; Karev, A.; Kolesnikov, V. I.; Kolleger, T.; Kowalski, M.; Kresan, D.; László, A.; Lacey, R.; van Leeuwen, M.; Mackowiak, M.; Makariev, M.; Malakhov, A. I.; Mateev, M.; Mitrovski, M.; Mrówczyński, St; Nicolic, N.; Pálla, G.; Planagiotou, A. D.; Peryt, W.; Pluta, J.; Prindle, D.; Pühlhofer, F.; Renfordt, R.; Roland, C.; Roland, G.; Rybczyński, M.; Rybicki, A.; Sandoval, A.; Schmitz, N.; Schuster, T.; Seyboth, P.; Siklér, F.; Skrzypczak, E.; Slodkowski, M.; Stefanek, G.; Stock, R.; Ströbele, H.; Susa, T.; Szuba, M.; Utvić, M.; Varga, D.; Vassiliou, M.; Veres, G. I.; Vesztergombi, G.; Vranić, D.; Wlodarczyk, Z.; Wojtaszek-Szwarc, A.

In: Physics of Atomic Nuclei, Vol. 75, No. 5, 05.2012, p. 556-566.

Research output: Contribution to journalArticle

Melkumov, GL, Anticic, T, Baatar, B, Barna, D, Bartke, J, Beck, H, Betev, L, Bialkowska, H, Blume, C, Bogusz, M, Boimska, B, Book, J, Botje, M, Bunčić, P, Cetner, T, Christakoglou, P, Chung, P, Chvala, O, Cramer, JG, Eckardt, V, Fodor, Z, Foka, P, Friese, V, Gaździcki, M, Grebieszkow, K, Höhne, C, Kadija, K, Karev, A, Kolesnikov, VI, Kolleger, T, Kowalski, M, Kresan, D, László, A, Lacey, R, van Leeuwen, M, Mackowiak, M, Makariev, M, Malakhov, AI, Mateev, M, Mitrovski, M, Mrówczyński, S, Nicolic, N, Pálla, G, Planagiotou, AD, Peryt, W, Pluta, J, Prindle, D, Pühlhofer, F, Renfordt, R, Roland, C, Roland, G, Rybczyński, M, Rybicki, A, Sandoval, A, Schmitz, N, Schuster, T, Seyboth, P, Siklér, F, Skrzypczak, E, Slodkowski, M, Stefanek, G, Stock, R, Ströbele, H, Susa, T, Szuba, M, Utvić, M, Varga, D, Vassiliou, M, Veres, GI, Vesztergombi, G, Vranić, D, Wlodarczyk, Z & Wojtaszek-Szwarc, A 2012, 'Evidence for the onset of deconfinement and quest for the critical point by NA49 at the CERN SPS', Physics of Atomic Nuclei, vol. 75, no. 5, pp. 556-566. https://doi.org/10.1134/S1063778812050158
Melkumov, G. L. ; Anticic, T. ; Baatar, B. ; Barna, D. ; Bartke, J. ; Beck, H. ; Betev, L. ; Bialkowska, H. ; Blume, C. ; Bogusz, M. ; Boimska, B. ; Book, J. ; Botje, M. ; Bunčić, P. ; Cetner, T. ; Christakoglou, P. ; Chung, P. ; Chvala, O. ; Cramer, J. G. ; Eckardt, V. ; Fodor, Z. ; Foka, P. ; Friese, V. ; Gaździcki, M. ; Grebieszkow, K. ; Höhne, C. ; Kadija, K. ; Karev, A. ; Kolesnikov, V. I. ; Kolleger, T. ; Kowalski, M. ; Kresan, D. ; László, A. ; Lacey, R. ; van Leeuwen, M. ; Mackowiak, M. ; Makariev, M. ; Malakhov, A. I. ; Mateev, M. ; Mitrovski, M. ; Mrówczyński, St ; Nicolic, N. ; Pálla, G. ; Planagiotou, A. D. ; Peryt, W. ; Pluta, J. ; Prindle, D. ; Pühlhofer, F. ; Renfordt, R. ; Roland, C. ; Roland, G. ; Rybczyński, M. ; Rybicki, A. ; Sandoval, A. ; Schmitz, N. ; Schuster, T. ; Seyboth, P. ; Siklér, F. ; Skrzypczak, E. ; Slodkowski, M. ; Stefanek, G. ; Stock, R. ; Ströbele, H. ; Susa, T. ; Szuba, M. ; Utvić, M. ; Varga, D. ; Vassiliou, M. ; Veres, G. I. ; Vesztergombi, G. ; Vranić, D. ; Wlodarczyk, Z. ; Wojtaszek-Szwarc, A. / Evidence for the onset of deconfinement and quest for the critical point by NA49 at the CERN SPS. In: Physics of Atomic Nuclei. 2012 ; Vol. 75, No. 5. pp. 556-566.
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T1 - Evidence for the onset of deconfinement and quest for the critical point by NA49 at the CERN SPS

AU - Melkumov, G. L.

AU - Anticic, T.

AU - Baatar, B.

AU - Barna, D.

AU - Bartke, J.

AU - Beck, H.

AU - Betev, L.

AU - Bialkowska, H.

AU - Blume, C.

AU - Bogusz, M.

AU - Boimska, B.

AU - Book, J.

AU - Botje, M.

AU - Bunčić, P.

AU - Cetner, T.

AU - Christakoglou, P.

AU - Chung, P.

AU - Chvala, O.

AU - Cramer, J. G.

AU - Eckardt, V.

AU - Fodor, Z.

AU - Foka, P.

AU - Friese, V.

AU - Gaździcki, M.

AU - Grebieszkow, K.

AU - Höhne, C.

AU - Kadija, K.

AU - Karev, A.

AU - Kolesnikov, V. I.

AU - Kolleger, T.

AU - Kowalski, M.

AU - Kresan, D.

AU - László, A.

AU - Lacey, R.

AU - van Leeuwen, M.

AU - Mackowiak, M.

AU - Makariev, M.

AU - Malakhov, A. I.

AU - Mateev, M.

AU - Mitrovski, M.

AU - Mrówczyński, St

AU - Nicolic, N.

AU - Pálla, G.

AU - Planagiotou, A. D.

AU - Peryt, W.

AU - Pluta, J.

AU - Prindle, D.

AU - Pühlhofer, F.

AU - Renfordt, R.

AU - Roland, C.

AU - Roland, G.

AU - Rybczyński, M.

AU - Rybicki, A.

AU - Sandoval, A.

AU - Schmitz, N.

AU - Schuster, T.

AU - Seyboth, P.

AU - Siklér, F.

AU - Skrzypczak, E.

AU - Slodkowski, M.

AU - Stefanek, G.

AU - Stock, R.

AU - Ströbele, H.

AU - Susa, T.

AU - Szuba, M.

AU - Utvić, M.

AU - Varga, D.

AU - Vassiliou, M.

AU - Veres, G. I.

AU - Vesztergombi, G.

AU - Vranić, D.

AU - Wlodarczyk, Z.

AU - Wojtaszek-Szwarc, A.

PY - 2012/5

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N2 - The NA49 results on hadron production obtained in PbPb collisions at SPS energies from 20 to 158 A GeV are shown and discussed as evidence for the onset of deconfinement. The primary measures are the pion yield, the kaon-to-pion ratio and the slope parameter of transverse mass distributions. The possible indication of the QCD critical point signatures was investigated in the event-by-event fluctuations of various observables such as the mean transverse momentum, particle multiplicity and azimuthal angle distributions as well as in the particle ratio fluctuations. The energy dependence of these observables was measured in central PbPb collisions in the full SPS energy range while for analysis of the system size dependence data from pp, CC, SiSi, and PbPb collisions at the top SPS energy were used.

AB - The NA49 results on hadron production obtained in PbPb collisions at SPS energies from 20 to 158 A GeV are shown and discussed as evidence for the onset of deconfinement. The primary measures are the pion yield, the kaon-to-pion ratio and the slope parameter of transverse mass distributions. The possible indication of the QCD critical point signatures was investigated in the event-by-event fluctuations of various observables such as the mean transverse momentum, particle multiplicity and azimuthal angle distributions as well as in the particle ratio fluctuations. The energy dependence of these observables was measured in central PbPb collisions in the full SPS energy range while for analysis of the system size dependence data from pp, CC, SiSi, and PbPb collisions at the top SPS energy were used.

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