WEI-SHU HOUKAI-FENG CHEN2019-12-272019-12-272008https://scholars.lib.ntu.edu.tw/handle/123456789/442284High-statistics measurement of neutral-pion pair production in two-photon collisionsjournal article10.1103/PhysRevD.78.0520042-s2.0-52649181732https://www.scopus.com/inward/record.uri?eid=2-s2.0-52649181732&doi=10.1103%2fPhysRevD.78.052004&partnerID=40&md5=14d817f6bb5c3e872145212cb04ba30a