Measurement of D* mesons in jets from p+p collisions at sqrt [s]=200 GeV
Author(s)Walker, M.; Sakuma, Tai; Redwine, Robert P.; Milner, Richard G.; Leight, William Axel; Kocoloski, Adam Philip; Jones, Christopher LaDon; Hoffman, A. M.; Corliss, Ross Cameron; Betancourt, Michael Joseph; Balewski, Jan T.; Surrow, Bernd; ... Show more Show less
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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.
DepartmentMassachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Physical Review D
American Physical Society
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.
Final published version