Measurement of the branching ratio of pi0 ---> e+ e- using K(L) ---> 3 pi0 decays in flight

Alavi-Harati, A. et al.A. et al.Alavi-HaratiYEE HSIUNG2018-09-102018-09-101999-03http://inspirehep.net/record/496429http://scholars.lib.ntu.edu.tw/handle/123456789/349506Measurement of the branching ratio of pi0 ---> e+ e- using K(L) ---> 3 pi0 decays in flightjournal article10.1103/PhysRevLett.83.922