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Measurement of D* mesons in jets from p+p collisions at sqrt [s]=200 GeV

Author(s)
Sakuma, Tai; Leight, William Axel; Kocoloski, Adam Philip; Jones, Christopher LaDon; Corliss, Ross Cameron; Betancourt, Michael Joseph; Balewski, Jan T.; Surrow, Bernd; Walker, Matthew H; Redwine, Robert P; Milner, Richard G; Hoffman, Alan Michael; ... Show more Show less
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Abstract
We report the measurement of charged D[superscript *] mesons in inclusive jets produced in proton-proton collisions at a center-of-mass energy sqrt [s]=200  GeV with the STAR experiment at the Relativistic Heavy Ion Collider. For D[superscript *] mesons with fractional momenta 0.2<z<0.5 in inclusive jets with 11.5 GeV mean transverse energy, the production rate is found to be N(D[superscript *][superscript +]+D[superscript *][superscript -])/N(jet)=0.015±0.008(stat)±0.007(sys). This rate is consistent with perturbative QCD evaluation of gluon splitting into a pair of charm quarks and subsequent hadronization.
Date issued
2009-06
URI
http://hdl.handle.net/1721.1/51785
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review D
Publisher
American Physical Society
Citation
STAR Collaboration et al. “Measurement of D* mesons in jets from p+p collisions at s=200 GeV.” Physical Review D 79.11 (2009): 112006. © 2009 The American Physical Society.
Version: Final published version
ISSN
1550-2368
1550-7998

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