منابع مشابه
Prompt photon yield and background study in PHENIX at RHIC
The polarized pp collisions at RHIC provide very good opportunity to study the structure of the nucleon. Prompt photons are a good probe to measure the gluon density. The main background comes from two photon decays of ’s and ’s. An electromagnetic calorimeter (EMCal) in PHENIX plays the key role for both prompt photon reconstruction and background suppression. A study based on PYTHIA event gen...
متن کاملPHENIX Experiment at RHIC
The primary goal of the PHENIX collaboration is the detection and characterization of the quark-gluon plasma. We will outline the capabilities of the PHENIX experiment for measuring leptonic decays of the J/ and other quarkonium states.
متن کاملSystematic Study of High-pT Direct Photon Production with the PHENIX Experiment at RHIC
When studying the initial state and evolution of the matter created in relativistic heavy ion collisions, high-pT direct photons are a powerful probe. They are created in initial hard processes and in parton fragmentation, and possibly in interactions of partons with the hot and dense medium. We present systematic measurements of high-pT direct photon production in √ sNN = 200 GeV p+p and Au+Au...
متن کاملDirect Photon Production in Au+Au Collisions at RHIC-PHENIX Experiment
Direct photons have been measured with the PHENIX experiment in Au+Au collisions at √ sNN = 200 GeV. The direct photon result obtained with PHENIX-EMCal up to 18 GeV/c is consistent with the NLO pQCD calculation scaled by the nuclear overlap function. The measurement using internal conversion of photons into ee shows the enhancement of the yield comparing with NLO pQCD calculation.
متن کاملMeasurement of high-pT hadrons at RHIC-PHENIX
Measurements from the RHIC experiments show a strong suppression in the yield of high-pT single hadrons and a clear reduction in strength of the di-jet signal in two-hadron azimuthal-angle correlation functions in central Au+Au collisions at RHIC. These measurements should provide direct information on the properties of the medium within which hard-scattered par-tons propagate. The PHENIX preli...
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ژورنال
عنوان ژورنال: Acta Physica Hungarica A) Heavy Ion Physics
سال: 2006
ISSN: 1219-7580,1588-2675
DOI: 10.1556/aph.25.2006.2-4.31