Formation of heavy quarks in ultrarelativistic heavy-ion collisions

We investigate the production of heavy quarks in continuum and bound states in nuclear collisions. Creation rates for free bb̅ and tt̅ quark pairs and for bottomonium and toponium in the ground state are comput
We investigate the production of heavy quarks in continuum and bound states in nuclear collisions. Creation rates for free bb̅ and tt̅ quark pairs and for bottomonium and toponium in the ground state are computed at energies of the BNL Relativistic Heavy Ion Collider, CERN Large Hadron Collider (LHC), and Superconducting Super Collider. Central and peripheral heavy-ion collisions are discussed. For top-quark creation we assumed a mass range of 90≤mt≤250 GeV. The creation rate for top quarks in peripheral collisions is estimated to be by a factor 40 to 130 smaller compared with corresponding central collisions. For mt=130 GeV we calculated a creation rate of about 4760 top-quark pairs per day at the LHC (3.5 TeV/nucleon) for Pb-Pb collisions.
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Metadaten
Author:S. M. Schneider, Walter Greiner, G. Soff
URN:urn:nbn:de:hebis:30-29865
Document Type:Article
Language:English
Date of Publication (online):2006/07/11
Year of first Publication:1992
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2006/07/11
Source:Phys. Rev. D 46, 2930~V2940 (1992), ©1992 The American Physical Society, http://link.aps.org/abstract/PRD/v46/p2930
HeBIS PPN:190091630
Institutes:Physik
Dewey Decimal Classification:530 Physik
PACS-Classification:14.40.Gx Mesons with <i>S</i>=<i>C</i>=<i>B</i>=0, mass > 2.5 GeV (including quarkonia)
24.85.+p Quarks, gluons, and QCD in nuclear reactions
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen

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