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Quasi-Elastic Knock-Out of Nucleon from Short-Range Correlated NN Pair in the Reaction 12C(p,2pN)10A

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Abstract

The reaction 12C(p,2pN)10A is considered in the plane wave approximation assuming pole mechanism of the nucleon knock-out from the short-range correlated (SRC) NN-pair. Spectroscopic factors for two nucleons in a definite spin \(S\) and isospin \(T\) states in the 12C nucleus are calculated within the translationally-invariant shell model. The high momentum part of the internal wave function of the NN-pair is replaced by the realistic wave function of the deuteron \((ST = 10)\) or singlet \(^{1}{{S}_{0}}\) deuteron \((ST = 10)\). An estimation of the \(pp{\text{/}}pn\) ratio for the knocked out SRC pairs is performed. Single nucleon momentum distributions in the reaction \(^{{12}}\)C\({{(e,ep)}^{{11}}}\)B have been analyzed within the shell model and on this basis the distributions over the c.m. momentum of the NN-pair in the 12C are calculated with the mean-field and shell models.

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Funding

This work is supported in part by grant no. 18-02-40046 from the Russian Foundation for Basic Research.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, 141980, Dubna, Moscow oblast, Russia

    Yu. Uzikov

  2. Dubna State University, 141980, Dubna, Moscow oblast, Russia

    Yu. Uzikov

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  1. Yu. Uzikov
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Correspondence to Yu. Uzikov.

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Uzikov, Y. Quasi-Elastic Knock-Out of Nucleon from Short-Range Correlated NN Pair in the Reaction 12C(p,2pN)10A. Phys. Part. Nuclei 52, 652–657 (2021). https://doi.org/10.1134/S1063779621040584

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