Prospects for discovery of the τ- → π-ℓ+ℓ-ντ decays

HIGHLIGHTS

• who: PABLO ROIG (México) from the Instituto de Fı́sica, Universidad Nacional Autónoma de have published the research: PROSPECTS FOR DISCOVERY OF THE τ- → π-ℓ+ℓ-ντ DECAYS, in the Journal: (JOURNAL)

SUMMARY

The considered decays1 have not been detected yet, although they are the crossed channels of the π - → - e+ e- νl decays, measured long ago. At larger energies the chiral expansion breaks down but 1/NC provides an adequate alternative expansion parameter to enlarge the domain of applicability up to the kinematical limit. Its basic principles are the known chiral symmetry breaking, the discrete . . .

 



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