Hard Probes 2012

Session

Parallel VB: Jet quenching and energy loss

31 May 2012, 16:30

Cagliari - Italy

92. Measurement of isolated photon-jet correlations in PbPb collisions at sqrt(s)=2.76TeV with CMS

Lai Yue Shi (MIT)

31/05/2012, 16:30

Oral presentation

Modification of jets transitioning through the quark–gluon plasma (QGP), or quenching, has been well established by the RHIC and LHC data, using particle correlation and recently, reconstructed jets. At LHC, the first measurement of the jet quenching employed dijets. However, the advantage of the large yield of dijets is offset by loss of the perturbative final state information, as both jets...

125. Jet-Tagged Back-Scattering Photons For Quark Gluon Plasma Tomography

Rainer Fries (Texas A&M University)

31/05/2012, 16:50

Oral presentation

We investigate the correlations of photons produced by Compton back scattering and annihilation of fast quarks in quark gluon plasma with their away-side jets. Compton back scattering and quark annihilation into photons effectively act as jet-photon conversion mechanisms and were originally proposed as novel electromagnetic sources in heavy ion collisions in Phys. Rev. Lett. 90, 132301 (2003)....

131. Realistic medium-averaging in radiative energy loss

Molnar Denes (Purdue University)

31/05/2012, 17:10

Oral presentation

There has been a lot of interest in testing radiative energy loss calculations against data from RHIC and the LHC. It is customary, as in the Gyulassy-Levai-Vitev (GLV) approach, to formulate the energy loss of a jet parton as a line integral from the production point along a straight-line trajectory. Calculations then account for variations in pathlength with jet origin and direction, and...

65. Jet Flavor Tomography at RHIC and LHC

Alessandro Buzzatti (Columbia University)

31/05/2012, 17:30

Oral presentation

Jet Flavor Tomography is a powerful tool used to probe the properties of Quark Gluon Plasma formed in heavy ion collisions at RHIC and LHC. A new Monte Carlo model of jet quenching developed at Columbia University, CUJET1.0, was applied to predict the jet flavor and centrality dependence of some of the main phenomenological observables, the nuclear modification factor $R_{AA}$ and the elliptic...

127. Realistic 3+1-dimensional modelling of QCD jets in heavy-ion collisions

Clint Young (McGill University)

31/05/2012, 17:50

Oral presentation

The reconstruction of jets in heavy-ion collisions provides insight into the dynamics of hard partons in media. Unlike the spectrum of single hadrons, the spectrum of jets is highly sensitive to $\hat{q}_{\perp}$, as well as being sensitive to partonic energy loss and radiative processes. We use MARTINI, an event generator, to study how finite-temperature processes at leading order affect...