Extraction of Kaon Formfactors from K^- -> mu^- nu_mu gamma Decay at ISTRA+ Setup
| Autor: | Collaboration, The ISTRA+, Duk, V. A., Bolotov, V. N., Khudyakov, A. A., Lebedev, V. A., Makarov, A. I., Novikov, V. P., Polyarush, A. Yu., Akimenko, S. A., Britvich, G. I., Filin, A. P., Inyakin, A. V., Korolkov, I. Ya., Leontiev, V. M., Obraztsov, V. F., Polyakov, V. A., Romanovsky, V. I., Tchikilev, O. G., Uvarov, V. A., Yushchenko, O. P. |
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| Rok vydání: | 2010 |
| Předmět: | |
| DOI: | 10.48550/arxiv.1005.3517 |
| Popis: | The radiative decay K->mu nu gamma has been studied at ISTRA+ setup in a new kinematical region. About 22K events of K^- -> mu^- nu_mu gamma have been observed. The sign and value of Fv-Fa have been measured for the first time. The result is Fv-Fa=0.21(4)(4). 11 pages, 21 figures, submitted to Phys. Lett. B |
| Databáze: | OpenAIRE |
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