Direct photon production in p plus p collisions at root s=200 GeV at midrapidity
Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift
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.
|Enheter & grupper|
Ämnesklassifikation (UKÄ) – OBLIGATORISK
|Tidskrift||Physical Review D (Particles, Fields, Gravitation and Cosmology)|
|Status||Published - 2012|
|Peer review utförd||Ja|