Measurement of Prompt $\\psi(2S) \\to J/\\psi$ Yield Ratios in Pb-Pb and $p-p$ Collisions at $\\sqrt {s

PAO-TI CHANGKAI-FENG CHEN2018-09-102018-09-102014-10http://inspirehep.net/record/1320775http://scholars.lib.ntu.edu.tw/handle/123456789/386335Measurement of Prompt $\\psi(2S) \\to J/\\psi$ Yield Ratios in Pb-Pb and $p-p$ Collisions at $\\sqrt {s_{NN}}=$ 2.76 TeVjournal article10.1103/PhysRevLett.113.262301