Skip to content

Once more about gauge invariance in ϕγπ0π0

N. N. Achasov

hep-pharXiv:hep-ph/0606003

Abstract

It is argued that the realization of gauge invariance condition as a consequent of cancellation between the ϕγf0γπ0π0 resonance contribution and a ϕγπ0π0 background one, suggested in Ref. [1], is misleading.

Create a lesson