New β-decaying state in Bi-214

A new beta-decaying state in Bi-214 has been identified at the ISOLDE Decay Station at the CERN-ISOLDE facility. A preferred I-pi = (8(-)) assignment was suggested for this state based on the beta-decay feeding pattern to levels in Po-214 and shell-model calculations. The half-life of the I-pi = (8)...

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Authors: Benito García, Jaime; Fraile Prieto, Luis Mario; Rodríguez Murias, Javier; Sánchez Tembleque Verbo, Víctor; Vedia Fernández, María Victoria
Format: Article
Publication date:2021
Country:España
Institution:Universidad Complutense de Madrid (UCM)
Repository:Docta Complutense
Language:English
OAI Identifier:oai:docta.ucm.es:20.500.14352/4728
Online Access:https://hdl.handle.net/20.500.14352/4728
Access Level:Open access
Keyword:539.1
Nuclear-data sheets
Shell-model
Isolde
Física nuclear
2207 Física Atómica y Nuclear
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author Benito García, Jaime
author2 Fraile Prieto, Luis Mario
Rodríguez Murias, Javier
Sánchez Tembleque Verbo, Víctor
Vedia Fernández, María Victoria
author2_role author
author
author
author
author_browse Benito García, Jaime
Fraile Prieto, Luis Mario
Rodríguez Murias, Javier
Sánchez Tembleque Verbo, Víctor
Vedia Fernández, María Victoria
author_facet Benito García, Jaime
Fraile Prieto, Luis Mario
Rodríguez Murias, Javier
Sánchez Tembleque Verbo, Víctor
Vedia Fernández, María Victoria
author_role author
collection Docta Complutense
description A new beta-decaying state in Bi-214 has been identified at the ISOLDE Decay Station at the CERN-ISOLDE facility. A preferred I-pi = (8(-)) assignment was suggested for this state based on the beta-decay feeding pattern to levels in Po-214 and shell-model calculations. The half-life of the I-pi = (8) state was deduced to be T-1/2 = 9.39(10) min. The deexcitation of the levels populated in Po-214 by the beta decay of this state was investigated via gamma-gamma coincidences and a number of new levels and transitions was identified. Shell-model calculations for excited states in Bi-214 and Po-214 were performed using two different effective interactions: the H208 and the modified Kuo-Herling particle interaction. Both calculations agree on the interpretation of the new beta-decaying state as an I-pi = 8 - isomer and allow for tentative assignment of shell-model states to several high-spin states in Po-214.
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institution Universidad Complutense de Madrid (UCM)
instname_str Universidad Complutense de Madrid (UCM)
language eng
network_acronym_str ES
network_name_str España
oai_identifier_str oai:docta.ucm.es:20.500.14352/4728
publishDate 2021
publishDateSort 2021
publisher Amer Physical Soc
publisherStr Amer Physical Soc
reponame_str Docta Complutense
spelling New β-decaying state in Bi-214 Benito García, Jaime Fraile Prieto, Luis Mario Rodríguez Murias, Javier Sánchez Tembleque Verbo, Víctor Vedia Fernández, María Victoria 539.1 Nuclear-data sheets Shell-model Isolde Física nuclear 2207 Física Atómica y Nuclear A new beta-decaying state in Bi-214 has been identified at the ISOLDE Decay Station at the CERN-ISOLDE facility. A preferred I-pi = (8(-)) assignment was suggested for this state based on the beta-decay feeding pattern to levels in Po-214 and shell-model calculations. The half-life of the I-pi = (8) state was deduced to be T-1/2 = 9.39(10) min. The deexcitation of the levels populated in Po-214 by the beta decay of this state was investigated via gamma-gamma coincidences and a number of new levels and transitions was identified. Shell-model calculations for excited states in Bi-214 and Po-214 were performed using two different effective interactions: the H208 and the modified Kuo-Herling particle interaction. Both calculations agree on the interpretation of the new beta-decaying state as an I-pi = 8 - isomer and allow for tentative assignment of shell-model states to several high-spin states in Po-214. Amer Physical Soc https://hdl.handle.net/20.500.14352/4728
spellingShingle New β-decaying state in Bi-214
Benito García, Jaime
539.1
Nuclear-data sheets
Shell-model
Isolde
Física nuclear
2207 Física Atómica y Nuclear
title New β-decaying state in Bi-214
title_full New β-decaying state in Bi-214
title_fullStr New β-decaying state in Bi-214
title_full_unstemmed New β-decaying state in Bi-214
title_short New β-decaying state in Bi-214
title_sort New β-decaying state in Bi-214
topic 539.1
Nuclear-data sheets
Shell-model
Isolde
Física nuclear
2207 Física Atómica y Nuclear
topic_facet 539.1
Nuclear-data sheets
Shell-model
Isolde
Física nuclear
2207 Física Atómica y Nuclear
url https://hdl.handle.net/20.500.14352/4728