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Heavy Quark Production in Pb-Pb Collisions at the LHC with the ATLAS Detector
Bottom quarks are important probes to study the hot, dense medium produced in the heavy ion collisions. These heavier quarks are produced at a relatively early stage of the nucleus-nucleus collisions and may have reduced gluon radiation due to the suppression of small angle gluon radiation known as...
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Lenguaje: | eng |
Publicado: |
2013
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Materias: | |
Acceso en línea: | http://cds.cern.ch/record/1503523 |
Sumario: | Bottom quarks are important probes to study the hot, dense medium produced in the heavy ion collisions. These heavier quarks are produced at a relatively early stage of the nucleus-nucleus collisions and may have reduced gluon radiation due to the suppression of small angle gluon radiation known as the `dead cone effect’. Because of the heavy mass of b-hadrons, muons from semi-leptonic b-hadron decays tend to have a larger angle with respect to the jet axis. This information can be used to tag b-jets. In this talk, we present the inclusive heavy flavor suppression in Pb+Pb collisions at 2.76 TeV, which was obtained by studying single muons decaying semi-leptonically from the b- and c-quark containing hadrons. |
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