Exact analytical form for the box diagram with one heavy external quark

XIAO-GANG HEMcKellar, B.H.J.B.H.J.McKellarPallaghy, P.K.P.K.Pallaghy2018-09-102018-09-101990http://www.scopus.com/inward/record.url?eid=2-s2.0-18744363823&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/290232Exact analytical form for the box diagram with one heavy external quarkjournal article10.1103/PhysRevD.41.2482-s2.0-18744363823