Mechanism of the 12C(11B,15N)8Be reaction and 8Be + 15N optical-model potential |
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| Authors: | A. A. Rudchik A. T. Rudchik A. Budzanowski A. Szczurek B. Czech T. Czosnyka T. Choiński L. Głowacka S. Kliczewski E. I. Koshchy S. Yu. Mezhevych A. V. Mokhnach O. A. Momotyuk Val. M. Pirnak R. Siudak I. Skwirczyńska |
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| Affiliation: | (1) Institute for Nuclear Research, Prospect Nauki 47, 03680 Kiev, Ukraine;(2) H. Niewodnicza!["nacute"]("/content/6vmgnwh5u3gmpvtn/xlarge324.gif") ski Institute of Nuclear Physics, ul. Radzikowskiego 152, PL-31-342 Cracow, Poland;(3) Heavy Ion Laboratory of Warsaw University, ul. L. Pasteura 5A, PL-02-093 Warsaw, Poland;(4) Institute of Applied Physics, MUT, ul. Kaliskiego 2, PL-00-908 Warsaw, Poland;(5) Kharkiv National University, pl. Svobody 4, 61077 Kharkiv, Ukraine;(6) University of Rzeszów, PL-35-959 Rzeszów, Poland;(7) A. Soltan Institute for Nuclear Studies, ul. Ho!["zdot"]("/content/6vmgnwh5u3gmpvtn/xlarge380.gif") a 69, PL-00-681 Warsaw, Poland |
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| Abstract: | Angular distributions of the 12C( 11B, 15N) 8Be reaction were measured at the energy Elab(11B) = 49 MeV for the transitions to the ground and 2.94 MeV (2+) excited state of 8Be and to the ground and 5.270 MeV (5/2+) + 5.299 MeV (1/2+), 6.324 MeV (3/2-), 7.155 MeV (5/2+) + 7.301 MeV (3/2+), 7.567 MeV (7/2+) excited states of 15N. The data were analyzed by the coupled-reaction-channel method. The elastic, inelastic scattering and one- and two-step transfers were included in the coupling scheme. The data of the 12C( 11B, 8Be) 15N reaction at Ecm = 9.4-17.8 MeV known from the literature, were also included in the analysis. The mechanism of the 12C( 11B, 15N) 8Be reaction and the optical-model potential parameters for the 15N + 8Be channel were deduced. The energy dependence of the optical-model parameters for the 15N + 8Be channel was obtained. |
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| Keywords: | 24.10.Ht Optical and diffraction models 24.10.Eq Coupled-channel and distorted-wave models 25.45.Hi Transfer reactions 21.10.Jx Spectroscopic factors |
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