Transverse energy and neutral pion spectra obtained from /sup 16/O- and /sup 32/S-induced reactions at 200 GeV/nucleon

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The main goal of the CERN heavy-ion experiments is the search for an indication that the predicted state of deconfined quarks and gluons, the quark-gluon plasma (QGP), has been produced. The most promising indication that this may, in fact, be the case comes from the NA38 dimuon measurements, which are focused on the question of J//psi/ suppression. This effect was predicted to be one of the signatures of QGP formation before any measurements were made, and it is the subject of the two other talks at this conference that deal with nucleus-nucleus reactions at ultrarelativistic energies. In this presentation we ... continued below

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Pages: 11

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Plasil, F.; Albrecht, R.; Awes, T.C.; Baktash, C.; Beckmann, P.; Berger, F. et al. January 1, 1989.

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Description

The main goal of the CERN heavy-ion experiments is the search for an indication that the predicted state of deconfined quarks and gluons, the quark-gluon plasma (QGP), has been produced. The most promising indication that this may, in fact, be the case comes from the NA38 dimuon measurements, which are focused on the question of J//psi/ suppression. This effect was predicted to be one of the signatures of QGP formation before any measurements were made, and it is the subject of the two other talks at this conference that deal with nucleus-nucleus reactions at ultrarelativistic energies. In this presentation we consider the general (global) features of heavy-ion reactions at CERN energies, and we examine the degree to which they differ from mere superpositions of nucleon-nucleon collisions. We discuss the present status of our data analysis and our main conclusions from the first round of CERN experiments with emphasis on transverse energy measurements, on attained energy densities, and on the spectra of produced neutral pions. Because of time limitations we will not discuss our measurements of distributions of charged particles and the analysis of these distributions in terms of fluctuations nor the results that we have obtained with the Plastic Ball on the behavior of target spectator matter. 20 refs., 5 figs.

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Pages: 11

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NTIS, PC A03/MF A01 - OSTI; 1.

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  • 27. international winter meeting on nuclear physics, Bormio, Italy, 23 Jan 1989

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  • Other: DE89013058
  • Report No.: CONF-8901120-3
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 6129141
  • Archival Resource Key: ark:/67531/metadc1108005

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  • January 1, 1989

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  • Feb. 22, 2018, 7:45 p.m.

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  • May 23, 2018, 1:28 p.m.

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Plasil, F.; Albrecht, R.; Awes, T.C.; Baktash, C.; Beckmann, P.; Berger, F. et al. Transverse energy and neutral pion spectra obtained from /sup 16/O- and /sup 32/S-induced reactions at 200 GeV/nucleon, article, January 1, 1989; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1108005/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.