Detailed characterization of jets in heavy ion collisions using jet fragmentation functions

Author(s)
Ma, Frank Teng
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Massachusetts Institute of Technology. Department of Physics.
Advisor
Boleslaw Wyslouch.
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Abstract
In this thesis the jet fragmentation function of inclusive jets with transverse momentum PT > 100 GeV/c in PbPb collisions is measured for reconstructed charged particles with PT > 1 GeV/c within the jet cone. A data sample of PbPb collisions collected in 2011 at a center-of-mass energy of [square root of]sNN = 2.76 TeV corresponding to an integrated luminosity of 150 [mu]b-1 is used. The results for PbPb collisions as a function of collision centrality are compared to reference distributions based on pp data collected at the same collision energy. A centrality-dependent modification of the fragmentation function is revealed. For the most central collisions a significant enhancement is observed in the PbPb/pp fragmentation function ratio for the charged particles with PT less than 3 GeV/c.
Description
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2013.
 
Cataloged from PDF version of thesis.
 
Includes bibliographical references (pages 159-163).
 
Date issued
2013
URI
http://hdl.handle.net/1721.1/83823
Department
Massachusetts Institute of Technology. Department of Physics
Publisher
Massachusetts Institute of Technology
Keywords
Physics.
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