Proton Distribution Radii of 16–24O: Signatures of New Shell Closures and Neutron Skin
The root mean square radii of the proton density distribution in 16–24O 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 22–24O despite 22,24O being doubly magic. Imprints of the shell closures...
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| Veröffentlicht in: | Physical review letters 2022-09, Vol.129 (14) |
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| creator | Kaur, S. Kanungo, R. Horiuchi, W. Hagen, Gaute Holt, J. D. Hu, B. S. Miyagi, T. Suzuki, T. Ameil, F. Atkinson, J. Ayyad, Y. Bagchi, S. Cortina-Gil, D. Dillmann, I. Estradé, A. Evdokimov, A. Farinon, F. Geissel, H. Guastalla, G. Janik, R. Knöbel, R. Kurcewicz, J. Litvinov, Yu A. Marta, M. Mostazo, M. Mukha, I. Nociforo, C. Ong, H. J. Otsuka, T. Pietri, S. Prochazka, A. Scheidenberger, C. Sitar, B. Strmen, P. Takechi, M. Tanaka, J. Tanihata, I. Terashima, S. Vargas, J. Weick, H. Winfield, J. S. |
| description | The root mean square radii of the proton density distribution in 16–24O 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 22–24O despite 22,24O 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 NNLOsat interaction, though skin thickness predictions are challenged. Furthermore, shell model predictions agree well with the data. |
| doi_str_mv | 10.1103/PhysRevLett.129.142502 |
| format | Article |
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D. ; Hu, B. S. ; Miyagi, T. ; Suzuki, T. ; Ameil, F. ; Atkinson, J. ; Ayyad, Y. ; Bagchi, S. ; Cortina-Gil, D. ; Dillmann, I. ; Estradé, A. ; Evdokimov, A. ; Farinon, F. ; Geissel, H. ; Guastalla, G. ; Janik, R. ; Knöbel, R. ; Kurcewicz, J. ; Litvinov, Yu A. ; Marta, M. ; Mostazo, M. ; Mukha, I. ; Nociforo, C. ; Ong, H. J. ; Otsuka, T. ; Pietri, S. ; Prochazka, A. ; Scheidenberger, C. ; Sitar, B. ; Strmen, P. ; Takechi, M. ; Tanaka, J. ; Tanihata, I. ; Terashima, S. ; Vargas, J. ; Weick, H. ; Winfield, J. S.</creator><creatorcontrib>Kaur, S. ; Kanungo, R. ; Horiuchi, W. ; Hagen, Gaute ; Holt, J. D. ; Hu, B. S. ; Miyagi, T. ; Suzuki, T. ; Ameil, F. ; Atkinson, J. ; Ayyad, Y. ; Bagchi, S. ; Cortina-Gil, D. ; Dillmann, I. ; Estradé, A. ; Evdokimov, A. ; Farinon, F. ; Geissel, H. ; Guastalla, G. ; Janik, R. ; Knöbel, R. ; Kurcewicz, J. ; Litvinov, Yu A. ; Marta, M. ; Mostazo, M. ; Mukha, I. ; Nociforo, C. ; Ong, H. J. ; Otsuka, T. ; Pietri, S. ; Prochazka, A. ; Scheidenberger, C. ; Sitar, B. ; Strmen, P. ; Takechi, M. ; Tanaka, J. ; Tanihata, I. ; Terashima, S. ; Vargas, J. ; Weick, H. ; Winfield, J. S. ; Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)</creatorcontrib><description>The root mean square radii of the proton density distribution in 16–24O 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 22–24O despite 22,24O 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 NNLOsat interaction, though skin thickness predictions are challenged. 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S.</creatorcontrib><creatorcontrib>Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)</creatorcontrib><title>Proton Distribution Radii of 16–24O: Signatures of New Shell Closures and Neutron Skin</title><title>Physical review letters</title><description>The root mean square radii of the proton density distribution in 16–24O 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 22–24O despite 22,24O 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 NNLOsat interaction, though skin thickness predictions are challenged. 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S.</creatorcontrib><creatorcontrib>Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)</creatorcontrib><collection>OSTI.GOV - Hybrid</collection><collection>OSTI.GOV</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kaur, S.</au><au>Kanungo, R.</au><au>Horiuchi, W.</au><au>Hagen, Gaute</au><au>Holt, J. D.</au><au>Hu, B. S.</au><au>Miyagi, T.</au><au>Suzuki, T.</au><au>Ameil, F.</au><au>Atkinson, J.</au><au>Ayyad, Y.</au><au>Bagchi, S.</au><au>Cortina-Gil, D.</au><au>Dillmann, I.</au><au>Estradé, A.</au><au>Evdokimov, A.</au><au>Farinon, F.</au><au>Geissel, H.</au><au>Guastalla, G.</au><au>Janik, R.</au><au>Knöbel, R.</au><au>Kurcewicz, J.</au><au>Litvinov, Yu A.</au><au>Marta, M.</au><au>Mostazo, M.</au><au>Mukha, I.</au><au>Nociforo, C.</au><au>Ong, H. J.</au><au>Otsuka, T.</au><au>Pietri, S.</au><au>Prochazka, A.</au><au>Scheidenberger, C.</au><au>Sitar, B.</au><au>Strmen, P.</au><au>Takechi, M.</au><au>Tanaka, J.</au><au>Tanihata, I.</au><au>Terashima, S.</au><au>Vargas, J.</au><au>Weick, H.</au><au>Winfield, J. S.</au><aucorp>Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Proton Distribution Radii of 16–24O: Signatures of New Shell Closures and Neutron Skin</atitle><jtitle>Physical review letters</jtitle><date>2022-09-30</date><risdate>2022</risdate><volume>129</volume><issue>14</issue><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>The root mean square radii of the proton density distribution in 16–24O 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 22–24O despite 22,24O 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 NNLOsat interaction, though skin thickness predictions are challenged. Furthermore, shell model predictions agree well with the data.</abstract><cop>United States</cop><pub>American Physical Society (APS)</pub><doi>10.1103/PhysRevLett.129.142502</doi><orcidid>https://orcid.org/0000000160191687</orcidid><oa>free_for_read</oa></addata></record> |
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| source | American Physical Society Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | direct reactions nuclear charge distribution NUCLEAR PHYSICS AND RADIATION PHYSICS nuclear reactions nuclear structure & decays nucleon distribution shell model unstable nuclei induced nuclear reactions |
| title | Proton Distribution Radii of 16–24O: Signatures of New Shell Closures and Neutron Skin |
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