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Title: Resolution effects in the hybrid strong/weak coupling model

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [1]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Center for Theoretical Physics
  2. McGill Univ., Montreal, QC (Canada). Dept of Physics

Within the context of a hybrid strong/weak coupling model of jet quenching, we study the consequences of the fact that the plasma produced in a heavy ion collision cannot resolve the substructure of a collimated parton shower propagating through it with arbitrarily fine spatial resolution. We introduce a screening length parameter, Lres, proportional to the inverse of the local temperature in the plasma, estimating a range for the value of the proportionality constant via comparing weakly coupled QCD calculations and holographic calculations appropriate in strongly coupled plasma. We then modify the hybrid model so that when a parton in a jet shower splits, its two offspring are initially treated as unresolved, and are only treated as two separate partons losing energy independently after they are separated by a distance Lres. This modification delays the quenching of partons with intermediate energy, resulting in the survival of more hadrons in the final state with pT in the several GeV range. We analyze the consequences of different choices for the value of the resolution length, Lres, and demonstrate that introducing a nonzero Lres results in modifications to the jet shapes and jet fragmentations functions, as it makes it more probable for particles carrying a small fraction of the jet energy at larger angles from the jet axis to survive their passage through the quark-gluon plasma. Furthermore, these effects are, however, small in magnitude, something that we confirm via checking for effects on missing-pT observables.

Research Organization:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
SC0011090
OSTI ID:
1501474
Journal Information:
Journal of High Energy Physics (Online), Vol. 2018, Issue 3; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 33 works
Citation information provided by
Web of Science

References (101)

Jet quenching pattern at LHC in PYQUEN model journal May 2011
Jet quenching in hot strongly coupled gauge theories revisited: 3-point correlators with gauge-gravity duality text January 2010
Jets in QCD media: From color coherence to decoherence journal January 2012
A Monte Carlo model for ‘jet quenching’ journal March 2009
The iEBE-VISHNU code package for relativistic heavy-ion collisions dataset January 2019
Event-by-event anisotropic flow in heavy-ion collisions from combined Yang-Mills and viscous fluid dynamics text January 2012
Matter in extremis: ultrarelativistic nuclear collisions at RHIC text January 2004
On the evolution of jet energy and opening angle in strongly coupled plasma journal May 2016
Jet quenching in hot strongly coupled gauge theories revisited: 3-point correlators with gauge-gravity duality journal October 2010
Hadronic dissipative effects on elliptic flow in ultrarelativistic heavy-ion collisions journal May 2006
Coupling dependence of jet quenching in hot strongly-coupled gauge theories text January 2012
Shear Viscosity of Strongly Coupled N = 4 Supersymmetric Yang-Mills Plasma journal August 2001
The theory and phenomenology of perturbative QCD based jet quenching text January 2010
Jet Structure in Heavy Ion Collisions text January 2015
Gluon energy loss in the gauge-string duality journal October 2008
Transverse Momentum Broadening of a Fast Quark in a $\N=4$ Yang Mills Plasma text January 2007
FastJet user manual: (for version 3.0.2) journal March 2012
Jet quenching in hot strongly coupled gauge theories simplified journal April 2011
A perturbative framework for jet quenching journal March 2013
On the Evolution of Jet Energy and Opening Angle in Strongly Coupled Plasma preprint January 2015
Geometrical aspects of jet quenching in JEWEL text January 2013
Transverse momentum broadening of a fast quark in a Script N = 4 Yang-Mills plasma journal April 2007
Angular structure of jet quenching within a hybrid strong/weak coupling model journal March 2017
Parton energy loss and momentum broadening at NLO in high temperature QCD plasmas text January 2015
Jet Physics in Heavy-Ion Collisions journal April 2013
Some new results for ‘jet’ stopping in AdS/CFT journal November 2011
Holographic lessons for quark dynamics journal April 2012
The anti-k_t jet clustering algorithm text January 2008
Energy loss of a heavy quark moving through Script N = 4 supersymmetric Yang-Mills plasma journal July 2006
Shooting string holography of jet quenching at RHIC and LHC journal November 2014
Jet quenching in high-energy heavy-ion collisions journal November 2015
Universality of the Shear Viscosity from Supergravity Duals journal August 2004
Inclusive cross section and correlations of fully reconstructed jets in Au + Au and collisions journal November 2009
The Large-N Limit of Superconformal Field Theories and Supergravity journal January 1999
Comparing energy loss and -broadening in perturbative QCD with strong coupling SYM theory journal October 2008
Anti–de Sitter/Conformal-Field-Theory Calculation of Screening in a Hot Wind journal May 2007
Interference effects in medium-induced gluon radiation journal August 2011
Jet quenching in hot strongly coupled gauge theories simplified text January 2011
Predictions for boson-jet observables and fragmentation function ratios from a hybrid strong/weak coupling model for jet quenching journal March 2016
Reconstructed Jet Results in p + p, d + Au and Cu + Cu collisions at 200 GeV from PHENIX journal August 2013
Heavy quark diffusion in strongly coupled N = 4 Yang-Mills theory journal October 2006
A hybrid strong/weak coupling approach to jet quenching journal October 2014
A Brief Introduction to PYTHIA 8.1 text January 2007
Matter in extremis: ultrarelativistic nuclear collisions at RHIC journal April 2005
Jet physics in heavy-ion collisions text January 2013
Wake of a Quark Moving through a Strongly Coupled N = 4 Supersymmetric Yang-Mills Plasma journal October 2007
Shear Viscosity of Strongly Coupled [script N] = 4 Supersymmetric Yang-Mills Plasma text January 2001
Conformal relativistic viscous hydrodynamics: Applications to RHIC results at s NN = 200 GeV journal September 2008
The iEBE-VISHNU code package for relativistic heavy-ion collisions dataset January 2019
Wilson loops in heavy ion collisions and their calculation in AdS/CFT journal March 2007
Heavy Quark Diffusion in Strongly Coupled $\N=4$ Yang Mills text January 2006
Origins of the di-jet asymmetry in heavy ion collisions preprint January 2015
Jets in QCD media: from color coherence to decoherence text January 2011
JEWEL 2.0.0 - Directions for Use text January 2013
New picture of jet quenching dictated by color coherence text January 2012
Q-PYTHIA: a medium-modified implementation of final state radiation text January 2009
Momentum broadening in weakly coupled quark-gluon plasma (with a view to finding the quasiparticles within liquid quark-gluon plasma) journal May 2013
New picture of jet quenching dictated by color coherence journal October 2013
Local Monte Carlo Implementation of the Non-Abelian Landau-Pomeranchuk-Migdal Effect journal October 2009
Q-PYTHIA: a medium-modified implementation of final state radiation journal September 2009
The anti- k t jet clustering algorithm journal April 2008
Viscosity in Strongly Interacting Quantum Field Theories from Black Hole Physics journal March 2005
Introductory lectures on jet quenching in heavy ion collisions text January 2007
Antiangular Ordering of Gluon Radiation in QCD Media text January 2010
Elliptic flow in Pb+Pb collisions at s NN = 2.76 TeV: Hybrid model assessment of the first data journal July 2011
Momentum Broadening in Weakly Coupled Quark-Gluon Plasma (with a view to finding the quasiparticles within liquid quark-gluon plasma) text January 2012
Event-by-Event Anisotropic Flow in Heavy-ion Collisions from Combined Yang-Mills and Viscous Fluid Dynamics journal January 2013
Heavy quark energy loss far from equilibrium in a strongly coupled collision journal October 2013
Debye screening in strongly coupled N=4 supersymmetric Yang-Mills plasma text January 2007
Geometrical aspects of jet quenching in JEWEL journal July 2014
The iEBE-VISHNU code package for relativistic heavy-ion collisions preprint January 2014
Parton energy loss and momentum broadening at NLO in high temperature QCD plasmas journal November 2015
Conformal collider physics: energy and charge correlations journal May 2008
Jet structure in heavy ion collisions journal November 2015
Heavy ions and string theory text January 2013
The stress-energy tensor of a quark moving through a strongly-coupled N=4 supersymmetric Yang-Mills plasma: comparing hydrodynamics and AdS/CFT text January 2007
Radiative energy loss and p⊥-broadening of high energy partons in nuclei journal January 1997
The energy of a moving quark-antiquark pair in an Script N = 4 SYM plasma journal September 2006
Origins of the di-jet asymmetry in heavy-ion collisions journal May 2016
Evolution of the Jet Opening Angle Distribution in Holographic Plasma journal May 2016
Viscosity Information from Relativistic Nuclear Collisions: How Perfect is the Fluid Observed at RHIC? journal October 2007
A brief introduction to PYTHIA 8.1 journal June 2008
Holographic Jet Shapes and their Evolution in Strongly Coupled Plasma journal November 2017
Sonic Booms and Diffusion Wakes Generated by a Heavy Quark in Thermal Gauge-String Duality journal January 2008
Calculating the Jet Quenching Parameter journal November 2006
Momentum fluctuations of heavy quarks in the gauge-string duality journal February 2008
The theory and phenomenology of perturbative QCD based jet quenching journal January 2011
Antiangular Ordering of Gluon Radiation in QCD Media journal March 2011
Elliptic and Triangular Flow in Event-by-Event D = 3 + 1 Viscous Hydrodynamics journal January 2011
Jet quenching in high-energy heavy-ion collisions text January 2015
Debye screening in strongly coupled Script N = 4 supersymmetric Yang-Mills plasma journal August 2007
Coupling dependence of jet quenching in hot strongly-coupled gauge theories journal July 2012
Heavy quark energy loss far from equilibrium in a strongly coupled collision text January 2013
Early thermalization, hydrodynamics and energy loss in AdS/CFT journal October 2015
Radial and elliptic flow at RHIC: further predictions journal March 2001
JEWEL 2.0.0: directions for use journal February 2014
Heavy ions and string theory journal March 2014
Jet evolution in the 𝒩 = 4 SYM plasma at strong coupling journal May 2008
The iEBE-VISHNU code package for relativistic heavy-ion collisions journal February 2016
Radial and elliptic flow at RHIC: further predictions text January 2001
Gauge/String Duality, Hot QCD and Heavy Ion Collisions book January 2014

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