Fermion mass hierarchy and the strong CP problem

Babu, K.S.K.S.BabuXIAO-GANG HE2018-09-102018-09-101989http://www.scopus.com/inward/record.url?eid=2-s2.0-29744434448&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/351147Fermion mass hierarchy and the strong CP problemjournal article10.1016/0370-2693(89)90401-22-s2.0-29744434448