First Measurement of the J-psi Azimuthal Anisotropy in PHENIX at Forward Rapidity in Au Au Collisions at sqrt sNN = 200 GeV - Nuclear ExperimentReportar como inadecuado




First Measurement of the J-psi Azimuthal Anisotropy in PHENIX at Forward Rapidity in Au Au Collisions at sqrt sNN = 200 GeV - Nuclear Experiment - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

Abstract: The PHENIX experiment has shown that J-psis are suppressed in central Au+Aucollisions at a center of mass energy per nucleon-nucleon collision sqrt sNN= 200 GeV, and that the suppression is larger at forward than at mid-rapidity.Part of this difference may be explained by cold nuclear matter effects but themost central collisions suggest that regeneration mechanisms could be at play.In 2007, PHENIX collected almost four times more Au+Au collisions at thisenergy than used for previous published results. Moreover, the addition of anew reaction plane detector allows a much better analysis of the J-psi behaviorin the azimuthal plane. Since a large elliptic flow has been measured for opencharm, measuring J-psi azimuthal anisotropies may give a hint if J-psi arerecombined in the expanding matter. First PHENIX results of J-psi elliptic flowas a function of transverse momentum at forward rapidity are presented in thisarticle. The analysis is detailed and results are compared to mid-rapidityPHENIX preliminary results as well as to predictions.



Autor: Catherine Silvestre, for the PHENIX Collaboration

Fuente: https://arxiv.org/







Documentos relacionados