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NUCLEAR STRUCTURE OF ⁹⁷Mo FROM THE (d, p) REACTION

M. S. CHOWDHURY

Department of Physics, University of Dhaka, Dhaka-1000, Bangladesh

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and

W. BOOTH

Department of Electrical and Electronic Engineering, University of Bradford, Bradford, UK

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https://doi.org/10.1142/S0218301311020435Cited by:1 (Source: Crossref)

Abstract

The reaction ⁹⁶Mo(d, p)⁹⁷Mo has been studied at 12 MeV using the tandem Van de Graaff accelerator and a multi-channel magnetic spectrograph at the Atomic Weapon Research Establishment, Aldermaston, England. Angular distributions of protons are measured at 12 different angles from 5° to 87.5° at an interval of 7.5° and the reaction products are detected in nuclear emulsion plates. Thirty levels in the energy range from 0.000 to 2.458 MeV have been observed and absolute differential cross-sections for these levels have been measured. The data are analyzed in terms of the distorted-wave Born approximation (DWBA) theory of the direct reactions, and spins, parities and spectroscopic factors are deduced for various levels. Ambiguity in the spin assignments of d_5/2 and d_3/2 which is allowed in l_n = 2(d, p) transition is removed by using the corresponding L-value of the ⁹⁵ Mo(t, p)⁹⁷Mo reaction at E_t = 12 MeV. Determined value of the sum of spectroscopic factors for transfers of d_5/2 neutrons suggests configuration mixing in the ground state of ⁹⁶Mo. The properties of the levels in ⁹⁷Mo are compared with previous experimental results and theoretical predictions.

Keywords:

PACS: 21.10.Hw, 24.10.Eq, 25.55.Hp, 27.60.+J

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