In-beam γ-ray spectroscopy of Mg 32 via direct reactions

Artículo escrito por un elevado número de autores. Solo se referencia el que aparece en primer lugar, el nombre del grupo de colaboración si hubiere y los autores pertenecientes a la UAM

Detalles Bibliográficos
Autores: Kitamura, N., Poves Paredes, Alfredo
Tipo de recurso: artículo
Fecha de publicación:2022
País:España
Institución:Universidad Autónoma de Madrid
Repositorio:Biblos-e Archivo. Repositorio Institucional de la UAM
Idioma:inglés
OAI Identifier:oai:repositorio.uam.es:10486/714610
Acceso en línea:http://hdl.handle.net/10486/714610
https://dx.doi.org/10.1103/PhysRevC.105.034318
Access Level:acceso abierto
Palabra clave:Neutrons
Proton knockout reactions
Nuclear structure models
Mg 32
Física
id ES_f79dbd8f37e27388dc07165d5d2f1966
oai_identifier_str oai:repositorio.uam.es:10486/714610
network_acronym_str ES
network_name_str España
repository_id_str
spelling In-beam γ-ray spectroscopy of Mg 32 via direct reactionsKitamura, N.Poves Paredes, AlfredoNeutronsProton knockout reactionsNuclear structure modelsMg 32FísicaArtículo escrito por un elevado número de autores. Solo se referencia el que aparece en primer lugar, el nombre del grupo de colaboración si hubiere y los autores pertenecientes a la UAMBackground: The nucleus Mg32 (N=20 and Z=12) plays a central role in the so-called "island of inversion,"where in the ground states sd-shell neutrons are promoted to the fp-shell orbitals across the shell gap, resulting in the disappearance of the canonical neutron magic number N=20. Purpose: The primary goals of this work are to extend the level scheme of Mg32, provide spin-parity assignments to excited states, and discuss the microscopic structure of each state through comparisons with theoretical calculations. Method: In-beam γ-ray spectroscopy of Mg32 was performed using two direct-reaction probes: one-neutron (two-proton) knockout reactions on Mg33 (Si34). Final-state exclusive cross sections and parallel momentum distributions were extracted from the experimental data and compared with eikonal-based reaction model calculations combined with shell-model overlap functions. Results: Owing to the remarkable selectivity of the one-neutron and two-proton knockout reactions, a significantly updated level scheme for Mg32, which exhibits negative-parity intruder and positive-parity normal states, was constructed. The experimental results were confronted with four different nuclear structure models. Conclusions: In some of these models, different aspects of Mg32 and the transition into the island of inversion are well described. However, unexplained discrepancies remain, and, even with the help of these state-of-The-Art theoretical approaches, the structure of this key nucleus is not yet fully capturedN.K. acknowledges support of the Grant-in-Aid for JSPS Fellows (18J12542) from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT), Japan. K.W. acknowledges support from the Ministerio de Ciencia e Innovación (Spain) through the “Ramón y Cajal” program RYC-2017-22007. A.P. is supported by the Ministerio de Ciencia, Innovación y Universidades (Spain), Grant No. CEX2020-001007-S funded by MCIN/AEI/10.13039/501100011033 and Grant No. PGC-2018-94583. The SDPF-M calculations were enabled by the CNS-RIKEN joint project for large-scale nuclear structure calculations and were performed mainly on the Oakforest-PACS supercomputer. N.S. acknowledges support from “Priority Issue on post-K computer”(hp190160) and “Program for Promoting Researches on the Supercomputer Fugaku” (JPMXP1020200105, hp200130, and hp210165) by JICFuS and MEXT, Japan. The IMSRG calculations were performed with an allocation of computing resources on Cedar at WestGrid and Compute Canada and on the Oak Cluster at TRIUMF managed by the University of British Columbia, Department of Advanced Research Computing. J.A.T. acknowledges support from the U.K. Science and Technology Facilities Council Grant No. ST/L005743/1. This work was supported by the U.S. Department of Energy (DOE), Office of Science, Office of Nuclear Physics, under Grant No. DE-SC0020451 and by the U.S. National Science Foundation (NSF) under Grant No. PHY-1306297. GRETINA was funded by the U.S. DOE, Office of Science. Operation of the array at NSCL is supported by the U.S. NSF under Cooperative Agreement No. PHY-1102511 (NSCL) and DOE under Grant No. DE-AC02-05CH11231 (LBNL)American Physical SocietyDepartamento de Física TeóricaFacultad de Ciencias20222022-03-16research articlehttp://purl.org/coar/resource_type/c_2df8fbb1AMhttp://purl.org/coar/version/c_ab4af688f83e57aainfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10486/714610https://dx.doi.org/10.1103/PhysRevC.105.034318reponame:Biblos-e Archivo. Repositorio Institucional de la UAMinstname:Universidad Autónoma de MadridInglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:repositorio.uam.es:10486/7146102026-06-23T12:46:27Z
dc.title.none.fl_str_mv In-beam γ-ray spectroscopy of Mg 32 via direct reactions
title In-beam γ-ray spectroscopy of Mg 32 via direct reactions
spellingShingle In-beam γ-ray spectroscopy of Mg 32 via direct reactions
Kitamura, N.
Neutrons
Proton knockout reactions
Nuclear structure models
Mg 32
Física
title_short In-beam γ-ray spectroscopy of Mg 32 via direct reactions
title_full In-beam γ-ray spectroscopy of Mg 32 via direct reactions
title_fullStr In-beam γ-ray spectroscopy of Mg 32 via direct reactions
title_full_unstemmed In-beam γ-ray spectroscopy of Mg 32 via direct reactions
title_sort In-beam γ-ray spectroscopy of Mg 32 via direct reactions
dc.creator.none.fl_str_mv Kitamura, N.
Poves Paredes, Alfredo
author Kitamura, N.
author_facet Kitamura, N.
Poves Paredes, Alfredo
author_role author
author2 Poves Paredes, Alfredo
author2_role author
dc.contributor.none.fl_str_mv Departamento de Física Teórica
Facultad de Ciencias
dc.subject.none.fl_str_mv Neutrons
Proton knockout reactions
Nuclear structure models
Mg 32
Física
topic Neutrons
Proton knockout reactions
Nuclear structure models
Mg 32
Física
description Artículo escrito por un elevado número de autores. Solo se referencia el que aparece en primer lugar, el nombre del grupo de colaboración si hubiere y los autores pertenecientes a la UAM
publishDate 2022
dc.date.none.fl_str_mv 2022
2022-03-16
dc.type.none.fl_str_mv research article
http://purl.org/coar/resource_type/c_2df8fbb1
AM
http://purl.org/coar/version/c_ab4af688f83e57aa
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10486/714610
https://dx.doi.org/10.1103/PhysRevC.105.034318
url http://hdl.handle.net/10486/714610
https://dx.doi.org/10.1103/PhysRevC.105.034318
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv reponame:Biblos-e Archivo. Repositorio Institucional de la UAM
instname:Universidad Autónoma de Madrid
instname_str Universidad Autónoma de Madrid
reponame_str Biblos-e Archivo. Repositorio Institucional de la UAM
collection Biblos-e Archivo. Repositorio Institucional de la UAM
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869424899304456192
score 15,812455

Similares en LA Referencia