Barker, A. et al.A. et al.BarkerYEE HSIUNG2019-12-302019-12-301990https://scholars.lib.ntu.edu.tw/handle/123456789/443957journal article10.1103/PhysRevD.41.35462-s2.0-0038921433https://www.scopus.com/inward/record.uri?eid=2-s2.0-0038921433&doi=10.1103%2fPhysRevD.41.3546&partnerID=40&md5=bb66b3a1b64a0116948b2cacb46e04f3