منابع مشابه
Direct Photons at RHIC
sNN = 200GeV with the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) is given. Direct-photon yields for pT & 4GeV/c and photon-hadron azimuthal correlations were determined with the aid of an electromagnetic calorimeter. By detecting ee pairs from the internal conversion of virtual photons direct-photon yields were measured between 1 . pT . 4GeV/c. In Au+Au collisions thermal p...
متن کاملDirect Photons at RHIC
One of the most direct probes of the QGP is the radiation of thermal photons, emerging directly from the thermalized system and providing, in principle, the temperature in its hottest phases [1]. However, photons are largely produced in hadronic decays, as well as in QCD processes, such as annihilation and Compton, that occur before thermalization. Thermally produced photons must be distinguish...
متن کاملDileptons And Photons At RHIC Energies
Comparing dilepton data from Au+Au to p+p collisions at RHIC energies PHENIX revealed two striking features: (i) a large excess of the dilepton yield at low mass and low pT in central Au+Au and (ii) a significant enhancement of direct real photon radiation. Both features can be interpreted as thermal radiation from the hot quark matter produced at RHIC. Unlike at lower beam energies, at RHIC th...
متن کاملPhotons from nuclear collisions at RHIC energies
We model the hot and dense strongly interacting mater produced in high energy heavy ion collisions using relativistic hydrodynamics. Several different sources of real photons produced during these collisions are considered and their relative importance is assessed. We include contributions from QCD jets, which are allowed to loose and gain energy as they proceed through the hot matter. This is ...
متن کاملDirect Photons at LHC
The DGLAP improved color dipole approach provides a good description of data for inclusive direct photon spectra at the energies of RHIC and Tevatron. Within the same framework we predict the transverse momentum distribution of direct photons at the CERN LHC energies.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Physics G: Nuclear and Particle Physics
سال: 2005
ISSN: 0954-3899,1361-6471
DOI: 10.1088/0954-3899/31/4/031