DSpace collection: 期刊論文

φ Meson production in the forward/backward rapidity region in Cu + Au collisions at s NN =200 GeV

Thu, 23 Apr 2026 04:08:13 GMT

title: φ Meson production in the forward/backward rapidity region in Cu + Au collisions at s NN =200 GeV abstract: 出版者： American Physical Society (APS) 出版日期： 2016-02-04 出處： Physical Review C, 2016-02, Vol.93 (2) 識別號： ISSN: 2469-9985 識別號： DOI: 10.1103/physrevc.93.024904

φ meson production in d + Au collisions at sNN =200 GeV

Thu, 23 Apr 2026 04:08:11 GMT

title: φ meson production in d + Au collisions at sNN =200 GeV abstract: 摘要： The PHENIX Collaboration has measured ϕ meson production in d+Au collisions at sNN−−−√=200 GeV using the dimuon and dielectron decay channels. The ϕ meson is measured in the forward (backward) d-going (Au-going) direction, 1.2

Υ(1S+2S+3S) production in d+Au and p+p collisions at √s NN=200 GeV and cold-nuclear-matter effects

Thu, 23 Apr 2026 04:08:06 GMT

title: Υ(1S+2S+3S) production in d+Au and p+p collisions at √s NN=200 GeV and cold-nuclear-matter effects abstract: 摘要： The three gamma states, gamma (1S + 2S + 3S), are measured in d + Au and p + p collisions at root s(NN) = 200 GeV and rapidities 1.2 < vertical bar y vertical bar < 2.2 by the PHENIX experiment at the Relativistic Heavy Ion Collider. Cross sections for the inclusive gamma (1S + 2S + 3S) production are obtained. The inclusive yields per binary collision for d + Au collisions relative to those in p + p collisions (R-dAu) are found to be 0.62 +/- 0.26 (stat) +/- 0.13 (syst) in the gold-going direction and 0.91 +/- 0.33 (stat) +/- 0.16 (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, sigma(br), and compared to lower energy p + A results. We also compare the results to the PHENIX J/psi results [Adare et al., Phys. Rev. Lett. 107, 142301 (2011)]. The rapidity dependence of the observed gamma suppression is consistent with lower energy p + A measurements. DOI: 10.1103/PhysRevC.87.044909 出版者： American Physical Society (APS) 出版日期： 2013-04-25 出處： Physical Review C, 2013-04, Vol.87 (4) 識別號： ISSN: 0556-2813 識別號： DOI: 10.1103/physrevc.87.044909

Waterproofed photomultiplier tube assemblies for the Daya Bay reactor neutrino experiment

Thu, 23 Apr 2026 04:08:05 GMT

title: Waterproofed photomultiplier tube assemblies for the Daya Bay reactor neutrino experiment abstract: 摘要： In the Daya Bay Reactor Neutrino Experiment 960 20-cm-diameter waterproof photomultiplier tubes are used to instrument three water pools as Cherenkov detectors for detecting cosmic-ray muons. Of these 960 photomultiplier tubes, 341 are recycled from the MACRO experiment. A systematic program was undertaken to refurbish them as waterproof assemblies. In the context of passing the water leakage check, a success rate better than 97% was achieved. Details of the design, fabrication, testing, operation, and performance of these waterproofed photomultiplier-tube assemblies are presented. 出版者： Netherlands: Elsevier B.V 出版日期： 2015-09-11 出處： Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 2015-09, Vol.794 (C), p.25-32 版權： 2015 Elsevier B.V. 識別號： ISSN: 0168-9002 識別號： EISSN: 1872-9576 識別號： DOI: 10.1016/j.nima.2015.05.002