Article ; Online: Proton Distribution Radii of ^{16-24}O: Signatures of New Shell Closures and Neutron Skin.
2022 Volume 129, Issue 14, Page(s) 142502
Abstract: The root mean square radii of the proton density distribution in ^{16-24}O derived from measurements of charge changing cross sections with a carbon target at ∼900A MeV together with the matter radii portray thick neutron skin for ^{22-24}O despite ^{22, ...
Abstract | The root mean square radii of the proton density distribution in ^{16-24}O derived from measurements of charge changing cross sections with a carbon target at ∼900A MeV together with the matter radii portray thick neutron skin for ^{22-24}O despite ^{22,24}O being doubly magic. Imprints of the shell closures at N=14 and 16 are reflected in local minima of their proton radii that provide evidence for the tensor interaction causing them. The radii agree with ab initio calculations employing the chiral NNLO_{sat} interaction, though skin thickness predictions are challenged. Shell model predictions agree well with the data. |
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MeSH term(s) | Carbon ; Neutrons ; Protons |
Chemical Substances | Protons ; Carbon (7440-44-0) |
Language | English |
Publishing date | 2022-10-14 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 208853-8 |
ISSN | 1079-7114 ; 0031-9007 |
ISSN (online) | 1079-7114 |
ISSN | 0031-9007 |
DOI | 10.1103/PhysRevLett.129.142502 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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