Cargando…

Quarkonium interactions in hadronic matter

The cross section for the \J~and \U~interaction with light hadrons is calculated in short-distance QCD, based on the large heavy quark mass and the resulting large energy gap to open charm or beauty. The low energy form of the cross section is determined by the gluon structure functions at large x;...

Descripción completa

Detalles Bibliográficos
Autores principales: Kharzeev, Dima E, Satz, Helmut
Lenguaje:eng
Publicado: 1994
Materias:
Acceso en línea:https://dx.doi.org/10.1016/0370-2693(94)90604-1
http://cds.cern.ch/record/263820
_version_ 1780886463665143808
author Kharzeev, Dima E
Satz, Helmut
author_facet Kharzeev, Dima E
Satz, Helmut
author_sort Kharzeev, Dima E
collection CERN
description The cross section for the \J~and \U~interaction with light hadrons is calculated in short-distance QCD, based on the large heavy quark mass and the resulting large energy gap to open charm or beauty. The low energy form of the cross section is determined by the gluon structure functions at large x; hence it remains very small until quite high energies. This behaviour is experimentally confirmed by charm photoproduction data. It is shown to exclude \J~absorption in confined hadronic matter of the size or density attainable in nuclear collisions; in contrast, the harder gluon spectrum in deconfined matter allows break-up interactions.
id cern-263820
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1994
record_format invenio
spelling cern-2638202019-09-30T06:29:59Zdoi:10.1016/0370-2693(94)90604-1http://cds.cern.ch/record/263820engKharzeev, Dima ESatz, HelmutQuarkonium interactions in hadronic matterParticle Physics - PhenomenologyThe cross section for the \J~and \U~interaction with light hadrons is calculated in short-distance QCD, based on the large heavy quark mass and the resulting large energy gap to open charm or beauty. The low energy form of the cross section is determined by the gluon structure functions at large x; hence it remains very small until quite high energies. This behaviour is experimentally confirmed by charm photoproduction data. It is shown to exclude \J~absorption in confined hadronic matter of the size or density attainable in nuclear collisions; in contrast, the harder gluon spectrum in deconfined matter allows break-up interactions.hep-ph/9405414BI-TP-94-24CERN-TH-7274-94oai:cds.cern.ch:2638201994-05-30
spellingShingle Particle Physics - Phenomenology
Kharzeev, Dima E
Satz, Helmut
Quarkonium interactions in hadronic matter
title Quarkonium interactions in hadronic matter
title_full Quarkonium interactions in hadronic matter
title_fullStr Quarkonium interactions in hadronic matter
title_full_unstemmed Quarkonium interactions in hadronic matter
title_short Quarkonium interactions in hadronic matter
title_sort quarkonium interactions in hadronic matter
topic Particle Physics - Phenomenology
url https://dx.doi.org/10.1016/0370-2693(94)90604-1
http://cds.cern.ch/record/263820
work_keys_str_mv AT kharzeevdimae quarkoniuminteractionsinhadronicmatter
AT satzhelmut quarkoniuminteractionsinhadronicmatter