Search for the charge-conjugation-forbidden decay ω→ηπ0

Starostin, A. et al. (2009) Search for the charge-conjugation-forbidden decay ω→ηπ0. Physical Review C, 79(6), 065201. (doi:10.1103/PhysRevC.79.065201)

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Abstract

A new upper limit of 2.3×10<sup>−4</sup> on the branching ratio of the decay ω→ηπ<sup>0</sup> has been obtained using the Crystal Ball multiphoton spectrometer at the Mainz Microtron MAMI. This decay is forbidden by charge-conjugation invariance of the strong and electromagnetic interactions. We have also obtained the upper limit of 2.3×10<sup>−4</sup> for the forbidden decay ω→3π<sup>0</sup> and the upper limit of 2.4×10<sup>−4</sup> for ω→2π<sup>0</sup>.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Glazier, Dr Derek and McGeorge, Dr John and Robinson, Mr Jamie and Downie, Dr Evangeline and MacGregor, Professor I and Livingston, Dr Kenneth and McNicoll, Miss Eilidh and Annand, Dr John and Rosner, Professor Guenther
Authors: Starostin, A., Nefkens, B.M.K., Ahrens, J., Annand, J.R.M., Arends, H.J., Bantawa, K., Bartolome, P.A., Beck, R., Bekrenev, V., Braghieri, A., Branford, D., Briscoe, W.J., Brudvik, J., Cherepnya, S., Downie, E.J., Filkov, L.V., Glazier, D.I., Gregor, R., Heid, E., Hornidge, D., Jahn, O., Jude, T.C., Kashevarov, V.L., Kondratiev, R., Korolija, M., Kotulla, M., Koulbardis, A., Kruglov, S., Krusche, B., Lisin, V., Livingston, K., MacGregor, I.J.D., Maghrbi, Y., Manley, D.M., Martinez, M., McGeorge, J.C., McNicoll, E.F., Mekterovic, D., Metag, V., Micanovic, S., Ostrick, M., Pedroni, P., Pheron, F., Polonski, A., Prakhov, S., Robinson, J., Rosner, G., Rost, M., Schumann, S., Sikora, M.H., Sober, D., Suarez, I.M., Supek, I., Tarbert, C.M., Thiel, M., Thomas, A., Unverzagt, M., and Watts, D.P.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physical Review C
Publisher:American Physical Society
ISSN:0556-2813
ISSN (Online):1089-490X

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