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Article
Direct photon production in p plus p collisions at root s=200 GeV at midrapidity
Physical Review D
Document Type
Article
Disciplines
Publication Version
Published Version
Publication Date
10-23-2012
DOI
10.1103/PhysRevD.86.072008
Abstract
The differential cross section for the production of direct photons in p + p collisions at root s = 200 GeV at midrapidity was measured in the PHENIX detector at the Relativistic Heavy Ion Collider. Inclusive direct photons were measured in the transverse momentum range from 5: 5-25 GeV/c, extending the range beyond previous measurements. Event structure was studied with an isolation criterion. Next-to-leading-order perturbative-quantum-chromodynamics calculations give a good description of the spectrum. When the cross section is expressed versus x(T), the PHENIX data are seen to be in agreement with measurements from other experiments at different center-of-mass energies.
Copyright Owner
American Physical Society
Copyright Date
2012
Language
en
File Format
application/pdf
Citation Information
Andrew Adare, John C. Hill, Todd Kempel, John G. Lajoie, et al.. "Direct photon production in p plus p collisions at root s=200 GeV at midrapidity" Physical Review D Vol. 86 Iss. 7 (2012) p. 072008 Available at: http://works.bepress.com/craig-ogilvie/75/
This is an article from Physical Review D 86 (2012): 072008-1, doi:10.1103/PhysRevD.86.072008. Posted with permission.