Does the ΔI = 1/2 rule hold in D and B → ππ decays?

XIAO-GANG HE2018-09-102018-09-102006http://www.scopus.com/inward/record.url?eid=2-s2.0-32644448357&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/324658Does the ΔI = 1/2 rule hold in D and B → ππ decays?journal article10.1142/S0217751X060250312-s2.0-32644448357