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Journal Articles

First application of the dispersive optical model to ($$p$$,$$2p$$) reaction analysis within the distorted-wave impulse approximation framework

Yoshida, Kazuki; Atkinson, M. C.*; Ogata, Kazuyuki*; Dickhoff, W. H.*

Physical Review C, 105(1), p.014622_1 - 014622_7, 2022/01

 Times Cited Count:2 Percentile:49.92(Physics, Nuclear)

We apply the dispersive optical model (DOM) wave functions to the traditional ($$p$$,$$2p$$) analysis and investigate the consistency of the DOM spectroscopic factor that describes the ($$e$$,$$e'p$$) cross section with the result of the ($$p$$,$$2p$$) analysis. DOM + distorted wave impulse approximation analysis on $$^{40}$$Ca($$p$$,$$2p$$)$$^{39}$$K data generates a proton $$0d_{3/2}$$ spectroscopic factor of 0.560, which is meaningfully smaller than the DOM value of 0.71 shown to be consistent with the ($$e$$,$$e'p$$) analysis. The inconsistency in the spectroscopic factor suggests there is urgent need for improving the description of $$p$$-$$p$$ scattering in a nucleus.

Oral presentation

Knockout reaction calculation with the dispersive optical model and its validity

Yoshida, Kazuki; Ogata, Kazuyuki*; Atkinson, M.*; Dickhoff, W. H.*

no journal, , 

In (e,e'p) reaction analyses it is already reported that the use of the distorted waves and the single-particle wavefunction of the dispersive optical model has a certain impact on reduced spectroscopic factors. In this presentation, those ingredients are applied to the nucleon induced knockout reaction analysis and quantitative difference from results with the conventional input are discussed.

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