A measurement of the η radiative width Γη→γγ

W. Bartel, L. Becker, D. Cords, R. Felst, D. Haidt, H. Junge, G. Knies, H. Krehbiel, P. Laurikainen, R. Meinke, B. Naroska, J. Olsson, D. Schmidt, D. Steffen, G. Dietrich, J. Hagemann, G. Heinzelmann, H. Kado, K. Kawagoe, C. KleinwortM. Kuhlen, K. Meier, A. Petersen, R. Ramcke, U. Schneekloth, G. Weber, K. Ambrus, S. Bethke, A. Dieckmann, E. Elsen, J. Heintze, K. H. Hellenbrand, S. Komamiya, J. Von Krogh, P. Lennert, H. Matsumura, H. Rieseberg, J. Spitzer, A. Wagner, C. Bowdery, A. Finch, F. Foster, G. Hughes, T. Nozaki, J. Nye, J. Allison, J. Baines, A. H. Ball, R. J. Barlow, J. Chrin, I. P. Duerdoth, T. Greenshaw, P. Hill, F. K. Loebinger, A. A. Macbeth, H. McCann, H. E. Mills, P. G. Murphy, K. Stephens, P. Warming, R. G. Glasser, B. Sechi-Zorn, J. A.J. Skard, S. R. Wagner, G. T. Zorn, S. L. Cartwright, D. Clarke, R. Marshall, R. P. Middleton, J. B. Whittaker, T. Kawamoto, T. Kobayashi, T. Mashimo, M. Minowa, H. Takeda, T. Takeshita, S. Yamada

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Abstract

The radiative width of the η meson has been measured at PETRA in photon-photon collisions. The resulting value is Γη→γγ = 0.53±0.04±0.04 keV.

Original languageEnglish
Pages (from-to)421-429
Number of pages9
JournalPhysics Letters B
Volume160
Issue number6
DOIs
Publication statusPublished - Oct 17 1985
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

Bartel, W., Becker, L., Cords, D., Felst, R., Haidt, D., Junge, H., ... Yamada, S. (1985). A measurement of the η radiative width Γη→γγ. Physics Letters B, 160(6), 421-429. https://doi.org/10.1016/0370-2693(85)90013-9