Study of the radiative decay K++

Y. Akiba, T. Ishikawa, M. Iwasaki, K. H. Tanaka, S. Ohtake, H. Tamura, M. Nakajima, T. Yamanaka, T. Yamazaki, F. Naito, T. Suzuki, I. Arai, R. S. Hayano

研究成果: ジャーナルへの寄稿学術論文査読

11 被引用数 (Scopus)

抄録

The radiative decay K++ has been studied by a high-resolution magnetic spectrometer combined with a NaI(Tl) photon detector system. The momentum spectrum of muon from this decay mode was measured in the region 214.5<p<231.5 MeV/c. The observed partial decay rate of the radiative decay in this region agreed with the QED calculation within the error of 3%. The structure-dependent components of the decay were studied and new values of the form factors were obtained as FV+F()MK<0.23, -2.5<(FV-FA)()MK<0.3. By using these bounds the branching ratio was determined as B(,p<231.5 MeV/c)=(5.40.3)×10-3.

本文言語英語
ページ(範囲)2911-2920
ページ数10
ジャーナルPhysical Review D
32
11
DOI
出版ステータス出版済み - 1985

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