Extracting the CP-conserving and CP-violating form factors of KL → γγ, KS → γγ, and π0 → γγ from the decays of KL, KS and π0 into two identical pairs of leptons
Eur. Phys. J. C, 23 1 (2002) 113-120
Published online: 15 March 2002
DOI: 10.1007/s100520100853