Počet záznamů: 1
Photon-hadron jet correlations in p+p and Au+Au collisions at s(NN)=200 GeV
- 1.0345165 - FZÚ 2011 RIV US eng J - Článek v odborném periodiku
Adare, A. - Afanasiev, S. - Aidala, C. - Růžička, Pavel - Tomášek, Lukáš - Vrba, Václav
Photon-hadron jet correlations in p+p and Au+Au collisions at s(NN)=200 GeV.
Physical Review. C. Roč. 80, č. 2 (2009), 024908/1-024908/4. ISSN 0556-2813. E-ISSN 2469-9993
Grant CEP: GA MŠMT LA08015
Výzkumný záměr: CEZ:AV0Z10100502
Klíčová slova: PHENIX * photon * jet correlations
Kód oboru RIV: BF - Elementární částice a fyzika vys. energií
Impakt faktor: 3.477, rok: 2009
http://arxiv.org/pdf/0903.3399
We report the observation at the Relativistic Heavy Ion Collider (RHIC) of suppression of back-to-back correlations in the direct photon+jet channel in Au+Au relative to p+p collisions. Two-particle correlations of direct photon triggers with associated hadrons are obtained by statistical subtraction of the decay photon-hadron background. The initial momentum of the away-side parton is tightly constrained, because the parton-photon pair exactly balance in momentum at leading order in perturbative quantum chromodynamics (pQCD), making such correlations a powerful probe of the in-medium parton energy loss.
Trvalý link: http://hdl.handle.net/11104/0186494
Počet záznamů: 1