Sunday, 24 July 2016

quantum electrodynamics - Most trivial neutral pion decay


Literature states neutral pion decay by QED cannot occur directly because the pion is uncharged. pion decay from http://www.physnet.org/modules/pdf_modules/m279.pdf


However, I cannot see why Photons are not allowed to interact with the Quarks directly. direct interaction


Please elaborate which statement is false and why.




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