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Transitions in Light Nuclei Induced by High Energy Proton Scattering.

Mahalanabis, Jayanti. (1964) Transitions in Light Nuclei Induced by High Energy Proton Scattering. Doctoral thesis, University of Surrey (United Kingdom)..

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The scattering of protons of 150-200 MeV from Li[6] and Li[7] has been studied using the impulse approximation. In the introductory chapter of Part I, the use of high energy proton scattering as a probe of nuclear structure and the high energy approximations are discussed. The validity of the shell model for these nuclei is also considered. The expressions for the transition amplitude and the differential cross-section in terms of the two-body scattering matrix are also given in Part I. Part II and Part III deal with inelastic proton scattering. The inelastic scattering yields information on the density distribution of the p-nucleons which participate in the transition in the direct interaction theory. The transitions leading to the excitation of the lowest T=1 state in Li[6] and the transitions to the first and the second excited states in Li[7] are studied using the shell model wave functions. The effects of distortion are considered. Intermediate coupling wave functions are used for the nucleus Li[6], but no appreciable effect is obtained. The results obtained for the transitions are compared with the available experimental data; the agreement in general is poor. The possible reasons for the discrepancy are discussed. The need of accurate experimental results at small angles for the transitions in Li[7] are stressed. Part IV deals with elastic scattering of protons by Li[6] and Li[7]. The results are in good agreement with the experiment. Part V deals with the direct (p,n) reactions in Li[7]. The cross-sections for the excitation of the isobaric analogue state of the target ground state and for the excitation of the mirror state of the first excited level of the target are obtained using the two-body scattering matrix. In the last chapter, results, conclusions and possible related studies are discussed.

Item Type: Thesis (Doctoral)
Divisions : Theses
Authors :
Mahalanabis, Jayanti.
Date : 1964
Contributors :
Additional Information : Thesis (Ph.D.)--University of Surrey (United Kingdom), 1964.
Depositing User : EPrints Services
Date Deposited : 22 Jun 2018 15:15
Last Modified : 06 Nov 2018 16:54

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