1995/06/30 by Cheuk-Yin Wong · 3 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.1103/physrevlett.76.196
published as Phys.Rev.Lett. 76 (1996) 196-199; Erratum-ibid. 76 (1996) 4987 · 10 pages (REVTeX), includes 3 uuencoded compressed postscript figures
openalex publication_date 1996/01/08 · arxiv created 1996/04/02 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
The experimental ratio of \ensuremathψ^\ensuremath' to J/\ensuremathψ is approximately a constant in pA collisions, but decreases as the transverse energy increases in nucleus-nucleus collisions. These peculiar features can be explained as arising from approximately the same cc-baryon absorption cross section for \ensuremathψ^\ensuremath' and J/\ensuremathψ but greater disruption probabilities for \ensuremathψ^\ensuremath' than for J/\ensuremathψ due to the interaction of the cc system with soft particles produced in baryon-baryon collisions.