Mass depletion: A new parameter for quantitative jet modification
Abstract
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.
- Authors:
-
- Wayne State Univ., Detroit, MI (United States). Dept. of Physics and Astronomy
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Wayne State Univ., Detroit, MI (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF); JET Collaboration
- OSTI Identifier:
- 1429350
- Alternate Identifier(s):
- OSTI ID: 1254054
- Grant/Contract Number:
- AC02-05CH11231; PHY-1207918; SC0013460; FG02-92ER-40713
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C
- Additional Journal Information:
- Journal Volume: 93; Journal Issue: 5; Related Information: © 2016 American Physical Society.; Journal ID: ISSN 2469-9985
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; jets and heavy flavor physics; relativistic heavy-ion collisions; nuclear data analysis and compilation
Citation Formats
Majumder, A., and Putschke, J. Mass depletion: A new parameter for quantitative jet modification. United States: N. p., 2016.
Web. doi:10.1103/PhysRevC.93.054909.
Majumder, A., & Putschke, J. Mass depletion: A new parameter for quantitative jet modification. United States. https://doi.org/10.1103/PhysRevC.93.054909
Majumder, A., and Putschke, J. Fri .
"Mass depletion: A new parameter for quantitative jet modification". United States. https://doi.org/10.1103/PhysRevC.93.054909. https://www.osti.gov/servlets/purl/1429350.
@article{osti_1429350,
title = {Mass depletion: A new parameter for quantitative jet modification},
author = {Majumder, A. and Putschke, J.},
abstractNote = {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.},
doi = {10.1103/PhysRevC.93.054909},
journal = {Physical Review C},
number = 5,
volume = 93,
place = {United States},
year = {Fri May 20 00:00:00 EDT 2016},
month = {Fri May 20 00:00:00 EDT 2016}
}
Web of Science
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Works referencing / citing this record:
Diffusion of charm quarks in jets in high-energy heavy-ion collisions
journal, September 2019
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