Z0-tagged quark jets at the large hadron collider

The Large Hadron Collider will allow studies of hard probes in nucleus-nucleus collisions which were not accessible at the Relativistic Heavy Ion Collider—even the study of small cross-section Z 0 -tagged jets becomes possible. Going beyond the measurement of back-to-back correlations of two strongl...

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Hauptverfasser: Kunde, G. J., van Hecke, H., Hessler, K., Mironov, C.
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Hessler, K.
Mironov, C.
description The Large Hadron Collider will allow studies of hard probes in nucleus-nucleus collisions which were not accessible at the Relativistic Heavy Ion Collider—even the study of small cross-section Z 0 -tagged jets becomes possible. Going beyond the measurement of back-to-back correlations of two strongly interacting particles to measure plasma properties, we replace one side by an electromagnetic probe which propagates through the plasma undisturbed and therefore provides a measurement of the energy of the initial hard scattering. We show that at sufficiently high transverse momentum the Z 0 -tagged jets originate predominately from the fragmentation of quarks and anti-quarks while gluon jets are suppressed. We propose to use lepton-pair tagged jets to study medium-induced partonic energy loss and to measure in-medium parton fragmentation functions to determine the opacity of the quark gluon plasma.
doi_str_mv 10.1140/epjc/s10052-009-0955-9
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subjects Astronomy
Astrophysics and Cosmology
Elementary Particles
Exact sciences and technology
Hadrons
Heavy Ions
Measurement Science and Instrumentation
Nuclear Energy
Nuclear Physics
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Regular Article - Experimental Physics
String Theory
The physics of elementary particles and fields
title Z0-tagged quark jets at the large hadron collider
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