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Title: Mass depletion: A new parameter for quantitative jet modification

Journal Article · · Physical Review C
 [1];  [1]
  1. Wayne State Univ., Detroit, MI (United States). Dept. of Physics and Astronomy
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In this paper, we propose an extension to classify jet modification in heavy-ion collisions by including the jet mass along with its energy. The mass of a jet, as measured by jet reconstruction algorithms, is constrained by the jet's virtuality, which in turn has a considerable effect on such observables as the fragmentation function and jet shape observables. The leading parton, propagating through a dense medium, experiences substantial virtuality (or mass) depletion along with energy loss. Meaningful comparisons between surviving jets and jets produced in p-p collisions require mass depletion to be taken into account. Using a vacuum event generator, we show the close relationship between the actual jet mass and that after applying a jet reconstruction algorithm. Using an in-medium event generator, we demonstrate the clear difference between the mass of a surviving parton exiting a dense medium and a parton with a similar energy formed in a hard scattering event. Effects of this difference on jet observables are discussed.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Wayne State Univ., Detroit, MI (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF); JET Collaboration
Grant/Contract Number:
AC02-05CH11231; PHY-1207918; SC0013460; FG02-92ER-40713
OSTI ID:
1429350
Alternate ID(s):
OSTI ID: 1254054
Journal Information:
Physical Review C, Vol. 93, Issue 5; Related Information: © 2016 American Physical Society.; ISSN 2469-9985
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 23 works
Citation information provided by
Web of Science

References (32)

Energy and Momentum Deposited into a QCD Medium by a Jet Shower journal October 2009
Space-time structure of the energy deposition into the bulk medium due to jet quenching journal October 2013
Elastic energy loss and longitudinal straggling of a hard jet journal September 2009
Particle-level pileup subtraction for jets and jet shapes journal June 2014
Hard collinear gluon radiation and multiple scattering in a medium journal January 2012
Jet quenching in strongly coupled plasma journal July 2014
Jet quenching via jet collimation journal January 2011
Higher twist jet broadening and classical propagation journal May 2008
Experimental and theoretical challenges in the search for the quark–gluon plasma: The STAR Collaboration's critical assessment of the evidence from RHIC collisions journal August 2005
Jet measurements by the CMS experiment in pp and Pb–Pb collisions journal November 2011
Jet mass and substructure of inclusive jets in $ \sqrt {s} = 7\;{\text{TeV}} $ pp collisions with the ATLAS experiment journal May 2012
Jet quenching via jet collimation journal November 2011
Jet reconstruction and jet background classification with the ALICE experiment in Pb–Pb collisions at the LHC journal November 2011
Formation of dense partonic matter in relativistic nucleus–nucleus collisions at RHIC: Experimental evaluation by the PHENIX Collaboration journal August 2005
The Lund Monte Carlo for hadronic processes — PYTHIA version 4.8 journal July 1987
FastJet user manual: (for version 3.0.2) journal March 2012
Multiple Scattering, Parton Energy Loss, and Modified Fragmentation Functions in Deeply Inelastic eA Scattering journal October 2000
Asymptotic freedom in parton language journal August 1977
Full Jet Reconstruction in 2.76 TeV pp and Pb-Pb collisions in the ALICE experiment journal September 2013
Observation and studies of jet quenching in PbPb collisions at s N N = 2.76 TeV journal August 2011
Measurement of jet fragmentation in PbPb and p p collisions at s NN = 2.76 TeV journal August 2014
Measurement of jet spectra with charged particles in Pb–Pb collisions at <mml:math altimg="si1.gif" overflow="scroll" xmlns:xocs="http://www.elsevier.com/xml/xocs/dtd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.elsevier.com/xml/ja/dtd" xmlns:ja="http://www.elsevier.com/xml/ja/dtd" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:tb="http://www.elsevier.com/xml/common/table/dtd" xmlns:sb="http://www.elsevier.com/xml/common/struct-bib/dtd" xmlns:ce="http://www.elsevier.com/xml/common/dtd" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:cals="http://www.elsevier.com/xml/common/cals/dtd" xmlns:sa="http://www.elsevier.com/xml/common/struct-aff/dtd"><mml:msqrt><mml:msub><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>2.76</mml:mn><mml:mtext> TeV</mml:mtext></mml:math> with the ALICE detector journal May 2013
Measurement of transverse momentum relative to dijet systems in PbPb and pp collisions at s N N = 2.76 $$ \sqrt{s_{\mathrm{NN}}}=2.76 $$ TeV journal January 2016
Jet-mass dependence of the in-medium shower modification journal March 2013
Extending soft collinear effective theory to describe hard jets in dense QCD media journal September 2009
Pileup Subtraction for Jet Shapes journal April 2013
Explanation of Dijet Asymmetry in Pb-Pb Collisions at the Large Hadron Collider journal April 2011
Observation of a Centrality-Dependent Dijet Asymmetry in Lead-Lead Collisions at s NN = 2.76     TeV with the ATLAS Detector at the LHC journal December 2010
Incorporating space-time within medium-modified jet-event generators journal July 2013
Measurement of the jet radius and transverse momentum dependence of inclusive jet suppression in lead–lead collisions at <mml:math altimg="si1.gif" overflow="scroll" xmlns:xocs="http://www.elsevier.com/xml/xocs/dtd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.elsevier.com/xml/ja/dtd" xmlns:ja="http://www.elsevier.com/xml/ja/dtd" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:tb="http://www.elsevier.com/xml/common/table/dtd" xmlns:sb="http://www.elsevier.com/xml/common/struct-bib/dtd" xmlns:ce="http://www.elsevier.com/xml/common/dtd" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:cals="http://www.elsevier.com/xml/common/cals/dtd"><mml:msqrt><mml:msub><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant="normal">NN</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>2.76</mml:mn><mml:mtext> TeV</mml:mtext></mml:math> with the ATLAS detector journal February 2013
Extracting the jet transport coefficient from jet quenching in high-energy heavy-ion collisions journal July 2014
Measurement of inclusive jet charged-particle fragmentation functions in Pb+Pb collisions at s NN = 2.76   TeV with the ATLAS detector journal December 2014

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70 PLASMA PHYSICS AND FUSION TECHNOLOGY
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