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Λ(1520) → Λγ radiative-decay width |
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| Authors: | D V Vavilov Yu M Antipov A V Artamonov V A Batarin V A Victorov S V Golovkin Yu P Gorin O V Eroshin A P Kozhevnikov V Z Kolganov A S Konstantinov V P Kubarovsky V F Kurshetsov L G Landsberg V M Leontiev G S Lomkatsi V V Molchanov V A Mukhin A F Nilov D I Patalakha S V Petrenko A I Petrukhin V T Smolyankin |
| Institution: | (1) Institute for High Energy Physics, Protvino Moscow oblast, 142284, Russia;(2) Institute of Theoretical and Experimental Physics, Bol’shaya Cheremushkinskaya ul. 25, Moscow, 117259, Russia |
| Abstract: | The radiative decay Λ(1520) → Λγ was recorded in the exclusive reaction p + N → Λ(1520)K + + N at the SPHINX facility. The branching ratio for this decay and the corresponding partial width were found to be, respectively, BrΛ(1520) → Λγ] = (1.02 ± 0.21) × 10?2 and ΓΛ(1520) → Λγ] = 159 ± 35 keV (the quoted errors are purely statistical, the systematic errors being within 15%). |
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