Extracting the mass dependence and quantum numbers of short-range correlated pairs from A(e,e′p) and A(e,e′pp) scattering

C. Colle; O. Hen; W. Cosyn; I. Korover; E. Piasetzky; J. Ryckebusch; L. B. Weinstein

doi:10.1103/PhysRevC.92.024604

Extracting the mass dependence and quantum numbers of short-range correlated pairs from A(e,e′p) and A(e,e′pp) scattering

C. Colle, O. Hen, W. Cosyn, I. Korover, E. Piasetzky, J. Ryckebusch, L. B. Weinstein

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Abstract

The nuclear mass dependence of the number of short-range correlated (SRC) proton-proton (pp) and proton-neutron (pn) pairs in nuclei is a sensitive probe of the dynamics of short-range pairs in the ground state of atomic nuclei. This work presents an analysis of electroinduced single-proton and two-proton knockout measurements off C12, Al27, Fe56, and Pb208 in kinematics dominated by scattering off SRC pairs. The nuclear mass dependence of the observed A(e,e′pp)/C12(e,e′pp) cross-section ratios and the extracted number of pp- and pn-SRC pairs are much softer than the mass dependence of the total number of possible pairs. This is in agreement with a physical picture of SRC affecting predominantly nucleon-nucleon pairs in a nodeless relative-S state of the mean-field basis.

Original language	English
Article number	024604
Journal	Physical Review C - Nuclear Physics
Volume	92
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.92.024604
State	Published - 6 Aug 2015
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.92.024604

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title = "Extracting the mass dependence and quantum numbers of short-range correlated pairs from A(e,e′p) and A(e,e′pp) scattering",

abstract = "The nuclear mass dependence of the number of short-range correlated (SRC) proton-proton (pp) and proton-neutron (pn) pairs in nuclei is a sensitive probe of the dynamics of short-range pairs in the ground state of atomic nuclei. This work presents an analysis of electroinduced single-proton and two-proton knockout measurements off C12, Al27, Fe56, and Pb208 in kinematics dominated by scattering off SRC pairs. The nuclear mass dependence of the observed A(e,e′pp)/C12(e,e′pp) cross-section ratios and the extracted number of pp- and pn-SRC pairs are much softer than the mass dependence of the total number of possible pairs. This is in agreement with a physical picture of SRC affecting predominantly nucleon-nucleon pairs in a nodeless relative-S state of the mean-field basis.",

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AU - Colle, C.

AU - Hen, O.

AU - Cosyn, W.

AU - Korover, I.

AU - Piasetzky, E.

AU - Ryckebusch, J.

AU - Weinstein, L. B.

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AB - The nuclear mass dependence of the number of short-range correlated (SRC) proton-proton (pp) and proton-neutron (pn) pairs in nuclei is a sensitive probe of the dynamics of short-range pairs in the ground state of atomic nuclei. This work presents an analysis of electroinduced single-proton and two-proton knockout measurements off C12, Al27, Fe56, and Pb208 in kinematics dominated by scattering off SRC pairs. The nuclear mass dependence of the observed A(e,e′pp)/C12(e,e′pp) cross-section ratios and the extracted number of pp- and pn-SRC pairs are much softer than the mass dependence of the total number of possible pairs. This is in agreement with a physical picture of SRC affecting predominantly nucleon-nucleon pairs in a nodeless relative-S state of the mean-field basis.

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Extracting the mass dependence and quantum numbers of short-range correlated pairs from A(e,e′p) and A(e,e′pp) scattering

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