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  Event-by-event fluctuations of the mean transverse momentum in 40, 80, and 158 A GeV/c Pb---Au collisions

Adamová, D., Agakichiev, G., Appelshäuser, H., Belaga, V., Braun-Munzinger, P., Campagnolo, R., et al. (2003). Event-by-event fluctuations of the mean transverse momentum in 40, 80, and 158 A GeV/c Pb---Au collisions. Nuclear Physics A, 727(1-2): 0207005, pp. 97-119.

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Adamová, D.1, Author
Agakichiev, G.1, Author
Appelshäuser, H.1, Author
Belaga, V.1, Author
Braun-Munzinger, P.1, Author
Campagnolo, R.1, Author
Castillo, A.1, Author
Cherlin, A.1, Author
Damjanovic, S.1, Author
Dietel, T.1, Author
Dietrich, L.1, Author
Drees, A.1, Author
Esumi, S.I.1, Author
Filimonov, K.1, Author
Fomenko, K.1, Author
Fraenkel, Z.1, Author
Garabatos, C.1, Author
Glässel, P.1, Author
Hering, G.1, Author
Holeczek, J.1, Author
Kushpil, V.1, AuthorLenkeit, B.1, AuthorLudolphs, W.1, AuthorMaas, A.1, AuthorMarín, A.1, AuthorMilosevic, J.1, AuthorMilov, A.1, AuthorMiskowiec, D.1, AuthorMusa, L.1, AuthorPanebrattsev, Yu.1, AuthorPetchenova, O.1, AuthorPetrácek, V.1, AuthorPfeiffer, A.1, AuthorRak, J.2, Author              Ravinovich, I.1, AuthorRehak, P.1, AuthorRichter, M.1, AuthorSako, H.1, AuthorSchmitz, W.1, AuthorSchukraft, J.1, AuthorSedykh, S.1, AuthorSeipp, W.1, AuthorSharma, A.1, AuthorShimansky, S.1, AuthorSlívová, J.1, AuthorSpecht, H. J.1, AuthorStachel, J.1, AuthorSumbera, M.1, AuthorTilsner, H.1, AuthorTserruya, I.1, AuthorWessels, J. P.1, AuthorWienold, T.1, AuthorWindelband, B.1, AuthorWurm, J. P.2, Author              Xie, W.1, AuthorYurevich, S.1, AuthorYurevich, V.1, Author more..
Affiliations:
11NPI ASCR, e, Czech Republic 2GSI, 64220 Darmstadt, Germany 3Physikalisches Institut der Universität Heidelberg, 69120 Heidelberg, Germany 4JINR, Dubna, Russia 5Weizmann Institute, Rehovot 76100, Israel 6State University of New York at Stony Brook, Stony Brook, New York 11794, USA 7CERN, 1211 Geneva 23, Switzerland 8Brookhaven National Laboratory, Upton, New York 11973, USA, ou_persistent22              
2Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society, ou_904550              

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 Abstract: Measurements of event-by-event fluctuations of the mean transverse momentum in Pb–Au collisions at 40, 80, and 158 AGeV/c are presented. A significant excess of mean pT fluctuations at mid-rapidity is observed over the expectation from statistically independent particle emission. The results are somewhat smaller than recent measurements at RHIC. A possible non-monotonic behavior of the mean pT fluctuations as function of collision energy, which may have indicated that the system has passed the critical point of the QCD phase diagram in the range of µB under investigation, has not been observed. The centrality dependence of mean pT fluctuations in Pb–Au is consistent with an extrapolation from pp collisions assuming that the non-statistical fluctuations scale with multiplicity. The results are compared to calculations by the RQMD and URQMD event generators.

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Language(s): eng - English
 Dates: 2003-11
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 63098
 Degree: -

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Title: Nuclear Physics A
  Alternative Title : Nucl. Phys. A
Source Genre: Journal
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Pages: - Volume / Issue: 727 (1-2) Sequence Number: 0207005 Start / End Page: 97 - 119 Identifier: -