ψ′ to J/ψ ratio measurements in PHENIX at RHIC
نویسندگان
چکیده
منابع مشابه
J/ψ production at RHIC-PHENIX
The J/ψ is considered to be among the most important probes for the deconfined quark gluon plasma (QGP) created by relativistic heavy ion collisions. While the J/ψ is thought to dissociate in the QGP by Debye color screening, there are competing effects from cold nuclear matter (CNM), feed-downs from excited charmonia (χc and ψ) and bottom quarks, and regeneration from uncorrelated charm quarks...
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Single electrons from open heavy quarks and di-leptons from J/ψ mesons have been studied systematically at RHIC/PHENIX using data from p+p, d+Au and Au+Au collisions at
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PHENIX has measured the dielectron continuum in √ sNN=200 GeV Au+Au and p+p collisions. In minimum bias Au+Au collisions the dielectron yield in the mass range between 150 and 750 MeV/c2 is enhanced by a factor of 3.4±0.2(stat.)±1.3(syst.)±0.7(model) compared to the expectation from our model of hadron decays that well reproduces the mass spectrum in p+p collisions. The integrated yield increas...
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 کاملMeasurements of Hard-Scattering by PHENIX at RHIC
Hard-scattering in p-p collisions was discovered in 1972 at the CERN-ISR, the first hadron collider. Techniques were developed and several hard-processes were discovered which form the basis for many of the measurements made in p-p and Au+Au collisions at RHIC. Recent measurements of hard-scattering and related reactions by the PHENIX experiment at RHIC are presented in this context.
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ژورنال
عنوان ژورنال: Indian Journal of Physics
سال: 2011
ISSN: 0019-5480,0974-9845
DOI: 10.1007/s12648-011-0013-y