학술논문
Measurement of the radiative decay width \Gamma[\Lambda(1520) --> \Lambda \gamma] with the SPHINX spectrometer
Document Type
Working Paper
Author
Antipov, Yu. M.; Artamonov, A. V.; Batarin, V. A.; Vavilov, D. V.; Victorov, V. A.; Eroshin, O. V.; Golovkin, S. V.; Gorin, Yu. P.; Kolganov, V. Z.; Kozhevnikov, A. P.; Konstantinov, A. S.; Kubarovsky, V. P.; Kurshetsov, V. F.; Landsberg, L. G.; Leontiev, V. M.; Lomkatsi, G. S.; Molchanov, V. V.; Mukhin, V. A.; Nilov, A. F.; Patalakha, D. I.; Petrenko, S. V.; Smolyankin, V. T.
Source
Phys.Lett.B604:22-30,2004
Subject
Language
English
Abstract
The radiative decay \Lambda(1520) --> \Lambda \gamma was measured directly in the study of exclusive diffractive-like reaction p + N --> \Lambda(1520) K^+ + N, \Lambda(1520) --> \Lambda \gamma with the SPHINX spectrometer. The values of the branching and partial width of this radiative decay were obtained: BR[\Lambda(1520) --> \Lambda \gamma] = (1.02+/-0.21(stat)+/-0.15(syst))x10^{-2} and \Gamma[\Lambda(1520) --> \Lambda \gamma] = 159+/-33(stat)+/-26(syst) keV.
Comment: More detailed treatment of systematical uncertainties, minor clarifications and corrections, significant improvements in English. 18 pages, 6 figures, accepted by Phys.Lett.B
Comment: More detailed treatment of systematical uncertainties, minor clarifications and corrections, significant improvements in English. 18 pages, 6 figures, accepted by Phys.Lett.B