Muon transverse polarization in the K-l2 gamma decay in the standard model

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Data

2002-08-01

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American Physical Soc

Resumo

The muon transverse polarization in the K+-->mu(+)nugamma process induced by the electromagnetic final state interaction is calculated in the framework of the standard model. It is shown that one loop contributions lead to a nonvanishing muon transverse polarization. The value of the muon transverse polarization averaged over the kinematical region of E(gamma)greater than or equal to20 MeV is equal to 5.63x10(-4).

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Physical Review D. College Pk: American Physical Soc, v. 66, n. 3, 8 p., 2002.