Enhanced antiproton production in Pb(160 A GeV)+Pb reactions: evidence for quark gluon matter?

The centrality dependence of the antiproton per participant ratio is studied in Pb(160 AGeV)+Pb reactions. Antiproton production in collisions of heavy nuclei at the CERN/SPS seems considerably enhanced as compared to conventional hadronic physics, given by the antiproton production rates in $pp$ an...

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Detalles Bibliográficos
Autores principales: Bleicher, M, Belkacem, M, Bass, S A, Soff, S, Stöcker, H
Lenguaje:eng
Publicado: 2000
Materias:
Particle Physics - Phenomenology
Acceso en línea:https://dx.doi.org/10.1016/S0370-2693(00)00643-2
http://cds.cern.ch/record/433772
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author Bleicher, M
Belkacem, M
Bass, S A
Soff, S
Stöcker, H
author_facet Bleicher, M
Belkacem, M
Bass, S A
Soff, S
Stöcker, H
author_sort Bleicher, M
collection CERN
description The centrality dependence of the antiproton per participant ratio is studied in Pb(160 AGeV)+Pb reactions. Antiproton production in collisions of heavy nuclei at the CERN/SPS seems considerably enhanced as compared to conventional hadronic physics, given by the antiproton production rates in $pp$ and antiproton annihilation in $\bar{p}p$ reactions. This enhancement is consistent with the observation of strong in-medium effects in other hadronic observables and may be an indication of partial restoration of chiral symmetry.
id cern-433772
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2000
record_format invenio
spelling cern-4337722019-09-30T06:29:59Zdoi:10.1016/S0370-2693(00)00643-2http://cds.cern.ch/record/433772engBleicher, MBelkacem, MBass, S ASoff, SStöcker, HEnhanced antiproton production in Pb(160 A GeV)+Pb reactions: evidence for quark gluon matter?Particle Physics - PhenomenologyThe centrality dependence of the antiproton per participant ratio is studied in Pb(160 AGeV)+Pb reactions. Antiproton production in collisions of heavy nuclei at the CERN/SPS seems considerably enhanced as compared to conventional hadronic physics, given by the antiproton production rates in $pp$ and antiproton annihilation in $\bar{p}p$ reactions. This enhancement is consistent with the observation of strong in-medium effects in other hadronic observables and may be an indication of partial restoration of chiral symmetry.hep-ph/0004045LBNL-45444oai:cds.cern.ch:4337722000-04-06
spellingShingle Particle Physics - Phenomenology
Bleicher, M
Belkacem, M
Bass, S A
Soff, S
Stöcker, H
Enhanced antiproton production in Pb(160 A GeV)+Pb reactions: evidence for quark gluon matter?
title Enhanced antiproton production in Pb(160 A GeV)+Pb reactions: evidence for quark gluon matter?
title_full Enhanced antiproton production in Pb(160 A GeV)+Pb reactions: evidence for quark gluon matter?
title_fullStr Enhanced antiproton production in Pb(160 A GeV)+Pb reactions: evidence for quark gluon matter?
title_full_unstemmed Enhanced antiproton production in Pb(160 A GeV)+Pb reactions: evidence for quark gluon matter?
title_short Enhanced antiproton production in Pb(160 A GeV)+Pb reactions: evidence for quark gluon matter?
title_sort enhanced antiproton production in pb(160 a gev)+pb reactions: evidence for quark gluon matter?
topic Particle Physics - Phenomenology
url https://dx.doi.org/10.1016/S0370-2693(00)00643-2
http://cds.cern.ch/record/433772
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AT belkacemm enhancedantiprotonproductioninpb160agevpbreactionsevidenceforquarkgluonmatter
AT basssa enhancedantiprotonproductioninpb160agevpbreactionsevidenceforquarkgluonmatter
AT soffs enhancedantiprotonproductioninpb160agevpbreactionsevidenceforquarkgluonmatter
AT stockerh enhancedantiprotonproductioninpb160agevpbreactionsevidenceforquarkgluonmatter

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