Article
Midrapidity direct-photon production in p+p collisions at root s=200 GeV
Physical Review D
Document Type
Article
Disciplines
Publication Version
Published Version
Publication Date
4-1-2005
DOI
10.1103/PhysRevD.71.071102
Abstract
A measurement of direct photons in p+p collisions at root s=200 GeV is presented. A photon excess above background from pi(0)->gamma+gamma, eta ->gamma+gamma and other decays is observed in the transverse momentum range 5.5 < p(T)< 7 GeV/c. The result is compared to a next-to-leading-order perturbative QCD calculation. Within errors, good agreement is found between the QCD calculation and the measured result.
Copyright Owner
American Physical Society
Copyright Date
2005
Language
en
File Format
application/pdf
Citation Information
S. S. Adler, Sergey Belikov, S. Bhagavatula, Paul Constantin, et al.. "Midrapidity direct-photon production in p+p collisions at root s=200 GeV" Physical Review D Vol. 71 Iss. 7 (2005) p. 071102 Available at: http://works.bepress.com/craig-ogilvie/195/
This article is published as Adler, Stephen Scott, S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, J. Alexander, R. Amirikas et al. "Midrapidity direct-photon production in p+ p collisions at s= 200 GeV." Physical Review D 71, no. 7 (2005): 071102. DOI: 10.1103/PhysRevD.71.071102. Posted with permission.