Measurement of direct photon emission in K+ → π+ π0γ decay

S. Adler; M. Aoki; M. Ardebili; M. S. Atiya; P. C. Bergbusch; E. W. Blackmore; D. A. Bryman; I. H. Chiang; M. R. Convery; M. V. Diwan; J. S. Frank; J. S. Haggerty; T. Inagaki; M. M. Ito; S. Kabe; S. H. Kettell; Y. Kishi; P. Kitching; M. Kobayashi; T. K. Komatsubara; A. Konaka; Y. Kuno; M. Kuriki; T. F. Kycia; K. K. Li; L. S. Littenberg; J. A. Macdonald; R. A. McPherson; P. D. Meyers; J. Mildenberger; N. Muramatsu; T. Nakano; T. Numao; J. M. Poutissou; R. Poutissou; G. Redlinger; T. Sato; T. Shinkawa; F. C. Shoemaker; R. Soluk; J. R. Stone; R. C. Strand; S. Sugimoto; C. Witzig; Y. Yoshimura

doi:10.1103/PhysRevLett.85.4856

Measurement of direct photon emission in K⁺ → π⁺ π⁰γ decay

S. Adler, M. Aoki, M. Ardebili, M. S. Atiya, P. C. Bergbusch, E. W. Blackmore, D. A. Bryman, I. H. Chiang, M. R. Convery, M. V. Diwan, J. S. Frank, J. S. Haggerty, T. Inagaki, M. M. Ito, S. Kabe, S. H. Kettell, Y. Kishi, P. Kitching, M. Kobayashi, T. K. KomatsubaraA. Konaka, Y. Kuno, M. Kuriki, T. F. Kycia, K. K. Li, L. S. Littenberg, J. A. Macdonald, R. A. McPherson, P. D. Meyers, J. Mildenberger, N. Muramatsu, T. Nakano, T. Numao, J. M. Poutissou, R. Poutissou, G. Redlinger, T. Sato, T. Shinkawa, F. C. Shoemaker, R. Soluk, J. R. Stone, R. C. Strand, S. Sugimoto, C. Witzig, Y. Yoshimura

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

A new measurement of the K⁺ → π⁺ π⁰ decay with significantly higher statistics and improved kinematic constraints was performed using E787 detector and K⁺ decays at rest. The branching ratio of the direct emission was determined. The decay spectrum indicated that the direct emission amplitude is consistent with being due to purely magnetic contributions comparable to the reducible anomalous contribution.

Original language	English
Pages (from-to)	4856-4859
Number of pages	4
Journal	Physical review letters
Volume	85
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevLett.85.4856
Publication status	Published - 2000 Dec 4
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.85.4856

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Adler, S., Aoki, M., Ardebili, M., Atiya, M. S., Bergbusch, P. C., Blackmore, E. W., Bryman, D. A., Chiang, I. H., Convery, M. R., Diwan, M. V., Frank, J. S., Haggerty, J. S., Inagaki, T., Ito, M. M., Kabe, S., Kettell, S. H., Kishi, Y., Kitching, P., Kobayashi, M., ... Yoshimura, Y. (2000). Measurement of direct photon emission in K⁺ → π⁺ π⁰γ decay. Physical review letters, 85(23), 4856-4859. https://doi.org/10.1103/PhysRevLett.85.4856

Adler, S, Aoki, M, Ardebili, M, Atiya, MS, Bergbusch, PC, Blackmore, EW, Bryman, DA, Chiang, IH, Convery, MR, Diwan, MV, Frank, JS, Haggerty, JS, Inagaki, T, Ito, MM, Kabe, S, Kettell, SH, Kishi, Y, Kitching, P, Kobayashi, M, Komatsubara, TK, Konaka, A, Kuno, Y, Kuriki, M, Kycia, TF, Li, KK, Littenberg, LS, Macdonald, JA, McPherson, RA, Meyers, PD, Mildenberger, J, Muramatsu, N, Nakano, T, Numao, T, Poutissou, JM, Poutissou, R, Redlinger, G, Sato, T, Shinkawa, T, Shoemaker, FC, Soluk, R, Stone, JR, Strand, RC, Sugimoto, S, Witzig, C & Yoshimura, Y 2000, 'Measurement of direct photon emission in K⁺ → π⁺ π⁰γ decay', Physical review letters, vol. 85, no. 23, pp. 4856-4859. https://doi.org/10.1103/PhysRevLett.85.4856

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title = "Measurement of direct photon emission in K+ → π+ π0γ decay",

abstract = "A new measurement of the K+ → π+ π0 decay with significantly higher statistics and improved kinematic constraints was performed using E787 detector and K+ decays at rest. The branching ratio of the direct emission was determined. The decay spectrum indicated that the direct emission amplitude is consistent with being due to purely magnetic contributions comparable to the reducible anomalous contribution.",

author = "S. Adler and M. Aoki and M. Ardebili and Atiya, {M. S.} and Bergbusch, {P. C.} and Blackmore, {E. W.} and Bryman, {D. A.} and Chiang, {I. H.} and Convery, {M. R.} and Diwan, {M. V.} and Frank, {J. S.} and Haggerty, {J. S.} and T. Inagaki and Ito, {M. M.} and S. Kabe and Kettell, {S. H.} and Y. Kishi and P. Kitching and M. Kobayashi and Komatsubara, {T. K.} and A. Konaka and Y. Kuno and M. Kuriki and Kycia, {T. F.} and Li, {K. K.} and Littenberg, {L. S.} and Macdonald, {J. A.} and McPherson, {R. A.} and Meyers, {P. D.} and J. Mildenberger and N. Muramatsu and T. Nakano and T. Numao and Poutissou, {J. M.} and R. Poutissou and G. Redlinger and T. Sato and T. Shinkawa and Shoemaker, {F. C.} and R. Soluk and Stone, {J. R.} and Strand, {R. C.} and S. Sugimoto and C. Witzig and Y. Yoshimura",

year = "2000",

month = dec,

day = "4",

doi = "10.1103/PhysRevLett.85.4856",

language = "English",

volume = "85",

pages = "4856--4859",

journal = "Physical Review Letters",

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T1 - Measurement of direct photon emission in K+ → π+ π0γ decay

AU - Adler, S.

AU - Aoki, M.

AU - Ardebili, M.

AU - Atiya, M. S.

AU - Bergbusch, P. C.

AU - Blackmore, E. W.

AU - Bryman, D. A.

AU - Chiang, I. H.

AU - Convery, M. R.

AU - Diwan, M. V.

AU - Frank, J. S.

AU - Haggerty, J. S.

AU - Inagaki, T.

AU - Ito, M. M.

AU - Kabe, S.

AU - Kettell, S. H.

AU - Kishi, Y.

AU - Kitching, P.

AU - Kobayashi, M.

AU - Komatsubara, T. K.

AU - Konaka, A.

AU - Kuno, Y.

AU - Kuriki, M.

AU - Kycia, T. F.

AU - Li, K. K.

AU - Littenberg, L. S.

AU - Macdonald, J. A.

AU - McPherson, R. A.

AU - Meyers, P. D.

AU - Mildenberger, J.

AU - Muramatsu, N.

AU - Nakano, T.

AU - Numao, T.

AU - Poutissou, J. M.

AU - Poutissou, R.

AU - Redlinger, G.

AU - Sato, T.

AU - Shinkawa, T.

AU - Shoemaker, F. C.

AU - Soluk, R.

AU - Stone, J. R.

AU - Strand, R. C.

AU - Sugimoto, S.

AU - Witzig, C.

AU - Yoshimura, Y.

PY - 2000/12/4

Y1 - 2000/12/4

N2 - A new measurement of the K+ → π+ π0 decay with significantly higher statistics and improved kinematic constraints was performed using E787 detector and K+ decays at rest. The branching ratio of the direct emission was determined. The decay spectrum indicated that the direct emission amplitude is consistent with being due to purely magnetic contributions comparable to the reducible anomalous contribution.

AB - A new measurement of the K+ → π+ π0 decay with significantly higher statistics and improved kinematic constraints was performed using E787 detector and K+ decays at rest. The branching ratio of the direct emission was determined. The decay spectrum indicated that the direct emission amplitude is consistent with being due to purely magnetic contributions comparable to the reducible anomalous contribution.

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DO - 10.1103/PhysRevLett.85.4856

M3 - Article

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VL - 85

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EP - 4859

JO - Physical Review Letters

JF - Physical Review Letters

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ER -

Measurement of direct photon emission in K⁺ → π⁺ π⁰γ decay

Abstract

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