Note on theγγcontribution toπ0→e+e−andη→μ+μ−

Publisher Website

1 March 1984

journal article
research article
Published by American Physical Society (APS) in Physical Review D

Vol. 29 (5) , 1029-1030
https://doi.org/10.1103/physrevd.29.1029

Abstract

We review what is known on how the electromagnetic form factor for

π^{0} \to e^{+} e^{-}

and

η \to μ^{+} μ^{-}

should behave, and show that a recent proposal which claims to resolve the discrepancy between theory and experiment for

π^{0} \to e^{+} e^{-}

is actually equivalent to assuming a form factor quite contrary to its known properties.

Keywords

This publication has 13 references indexed in Scilit:

Radiative corrections to pseudoscalar meson decays
The European Physical Journal C, 1983
Pseudoscalar electromagnetic form factors: Vector dominance and quantum chromodynamics
Physics Letters B, 1982
π0andηdecays into lepton pairs
Physical Review D, 1982
Rare decay of a pseudoscalar meson into a lepton pair?A way to detect new interactions?
The European Physical Journal C, 1982
Measurement of the Rare Decay $π^{0} \to e^{+} e^{-}$
Physical Review Letters, 1982
Study of η→μ+μ− decay
Physics Letters B, 1980
Exclusive processes in perturbative quantum chromodynamics
Physical Review D, 1980
Scaling behaviour in off-shell photon-photon scattering
Nuclear Physics B, 1972
Current-Commutator Constraints on Three- and Four-Point Functions
Physical Review Letters, 1966
Direct decay π0 → e++e−
Il Nuovo Cimento (1869-1876), 1959