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Pion radiative weak decay from the instanton vacuum
We investigate the vector and axial-vector form factors for the pion radiative weak decays π+→e+νeγ and π+→e+νee+e−, based on the gauged effective chiral action from the instanton vacuum in the large Nc limit. The nonlocal contributions, which arise from the gauging of the action, enhance the vector...
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| Hoofdauteurs: | , |
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| Formaat: | Artigo |
| Taal: | Inglês |
| Gepubliceerd in: |
Elsevier
2017-09-01
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| Reeks: | Physics Letters B |
| Online toegang: | http://www.sciencedirect.com/science/article/pii/S0370269317305932 |
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