Acosta, D. et al.D. et al.AcostaPAO-TI CHANG2020-01-152020-01-152002https://scholars.lib.ntu.edu.tw/handle/123456789/449335Comparison of the isolated direct photon cross sections in pp? collisions at ??s = 1.8 TeV and ??s = 0.63 TeVjournal article10.1103/PhysRevD.65.1120032-s2.0-0036612701https://www.scopus.com/inward/record.uri?eid=2-s2.0-0036612701&doi=10.1103%2fPhysRevD.65.112003&partnerID=40&md5=07001adc9d726855c9a58260474903d5