2012/11/16 by A. Adare, S. Afanasiev, C. Aidala +506
Chemistry · Physics and Astronomy · #Atomic physics #Chemistry #Crystallography #Energy (signal processing) #High-Energy Particle Collisions Research #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #nucl-ex
paper · pdf · doi:10.1103/physrevc.87.044909
published as Phys. Rev. C 87, 044909 (2013) · 495 authors, 11 pages, 9 figures, 5 tables. Submitted to Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html
arxiv created 2012/11/16 · openalex publication_date 2013/04/25 · arxiv updated 2013/12/10 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
The three \ensuremathΥ states, \ensuremathΥ(1S+2S+3S), are measured in d+Au and p+p collisions at √s_NN=200 GeV and rapidities 1.2<|y|<2.2 by the PHENIX experiment at the Relativistic Heavy Ion Collider. Cross sections for the inclusive \ensuremathΥ(1S+2S+3S) production are obtained. The inclusive yields per binary collision for d+Au collisions relative to those in p+p collisions (RdAu) are found to be 0.62\ifmmode±\else\textpm\fi0.26\phantom\rule0.28em0ex(stat)\ifmmode±\else\textpm\fi0.13\phantom\rule0.28em0ex(syst) in the gold-going direction and 0.91\ifmmode±\else\textpm\fi0.33\phantom\rule0.28em0ex(stat)\ifmmode±\else\textpm\fi0.16\phantom\rule0.28em0ex(syst) in the deuteron-going direction. The measured results are compared to a nuclear-shadowing model, EPS09 [Eskola et al., J. High Energy Phys. 04 (2009) 065], combined with a final-state breakup cross section, \ensuremathσbr, and compared to lower energy p+A results. We also compare the results to the PHENIX J/\ensuremathψ results [Adare et al., Phys. Rev. Lett. 107, 142301 (2011)]. The rapidity dependence of the observed \ensuremathΥ suppression is consistent with lower energy p+A measurements.