scholarly journals New results on the modification of jet structure in Heavy Ion collisions

2021 ◽  
Author(s):  
Helena Santos
Keyword(s):  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Ion Collisions ◽  
Jet Structure

scholarly journals Jet structure in heavy ion collisions

2015 ◽  
Vol 24 (11) ◽  
pp. 1530012 ◽  
Author(s):  
J.-P. Blaizot ◽  
Y. Mehtar-Tani
Keyword(s):  
Heavy Ion Collisions ◽  
Turbulent Transport ◽  
Heavy Ion ◽  
Gluon Plasma ◽  
Jet Quenching ◽  
Relativistic Heavy Ion Collisions ◽  
Ion Collisions ◽  
Parton Cascade ◽  
Probabilistic Nature ◽  
Jet Structure

We review recent theoretical developments in the study of the structure of jets that are produced in ultra relativistic heavy ion collisions. The core of the review focusses on the dynamics of the parton cascade that is induced by the interactions of a fast parton crossing a quark–gluon plasma. We recall the basic mechanisms responsible for medium induced radiation, underline the rapid disappearance of coherence effects, and the ensuing probabilistic nature of the medium induced cascade. We discuss how large radiative corrections modify the classical picture of the gluon cascade, and how these can be absorbed in a renormalization of the jet quenching parameter [Formula: see text]. Then, we analyze the (wave)-turbulent transport of energy along the medium induced cascade, and point out the main characteristics of the angular structure of such a cascade. Finally, color decoherence of the in-cone jet structure is discussed. Modest contact with phenomenology is presented towards the end of the review.

scholarly journals Jet Structure in Heavy Ion Collisions

2016 ◽  
pp. 217-270
Author(s):  
J.-P. Blaizot ◽  
Y. Mehtar-Tani
Keyword(s):  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Ion Collisions ◽  
Jet Structure

scholarly journals DI-JET MEASUREMENTS IN HEAVY-ION COLLISIONS AT STAR

2011 ◽  
Vol 20 (07) ◽  
pp. 1551-1555
Author(s):  
◽  
ELENA BRUNA
Keyword(s):  
Energy Loss ◽  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Electromagnetic Calorimeter ◽  
Dense Medium ◽  
Ion Collisions ◽  
Star Experiment ◽  
Time Projection ◽  
Jet Structure ◽  
Selection Of

Jets are produced from hard scatterings in the early stages of heavy-ion collisions. It is expected that these high-pT partons travel through the hot and dense medium before fragmenting. Therefore they are expected to suffer energy loss in the QGP via gluon radiation and elastic collisions along their path. Measurements of fully reconstructed jets help understand the effect of the energy loss on the jet structure and energy profile. A data-driven characterization of the background in Au + Au is needed in order to compare the results to p + p . The full azimuthal coverage of STAR Time Projection Chamber and Electromagnetic Calorimeter allows measurements of fully reconstructed di-jets, defined by jets that match the online trigger and recoil jets on the away side. A tight selection of the trigger jets allows for a selection of those coming from the surface. Hence, the population of jets on the recoil side is biased towards a maximal energy loss because of the extreme in-medium pathlength. We present measurements of di-jets, exploring their structure and properties in Au + Au and p + p at [Formula: see text] in the STAR experiment.

scholarly journals On jet structure in heavy ion collisions

2015 ◽  
Vol 75 (9) ◽  
Author(s):  
I. P. Lokhtin ◽  
A. A. Alkin ◽  
A. M. Snigirev
Keyword(s):  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Ion Collisions ◽  
Jet Structure

GIANT RESONANCES IN HEAVY ION COLLISIONS

1984 ◽  
Vol 45 (C6) ◽  
pp. C6-269-C6-279
Author(s):  
A. Bonaccorso ◽  
M. Di Toro ◽  
U. Lombardo ◽  
G. Russo
Keyword(s):  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Giant Resonances ◽  
Ion Collisions
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