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首頁> 外軍國防科技報(bào)告 >Radiative corrections to the decays K{sub L}{sup 0} {r_arrow} e{sup +}e{sup {minus}} and K{sub L}{sup 0} {r_arrow} {mu}{sup +} {mu}{sup {minus}} (Technical Report) | OSTI.GOV
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Radiative corrections to the decays K{sub L}{sup 0} {r_arrow} e{sup +}e{sup {minus}} and K{sub L}{sup 0} {r_arrow} {mu}{sup +} {mu}{sup {minus}} (Technical Report) | OSTI.GOV

機(jī)譯:衰變的輻射校正K {sub L} {sup 0} {r_arrow} e {sup +} e {sup {minus}}和K {sub L} {sup 0} {r_arrow} {mu} {sup +} { mu} {sup {minus}}(技術(shù)報(bào)告)| OsTI.GOV

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摘要

The authors calculate the rates and lepton ({ell}) invariant mass distributions for decays of the form 0{sup {minus}+} {r_arrow} {ell}{sup +}{ell}{sup {minus}}{gamma}, which are important radiative corrections to the purely leptonic decays 0{sup {minus}+} {r_arrow} {ell}{sup +}{ell}{sup {minus}}. The approach uses the loop diagrams which arise by including the two photon intermediate state and they retain the imaginary parts of the loops--a radiative extension of the unitarity bound for the process. These results are compared with those obtained using a model in which the meson couples directly to the leptons.

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