Measurement of 73Ge(n,γ) cross sections and implications for stellar nucleosynthesis

73Ge(n,γ) cross sections were measured at the neutron time-of-flight facility n_TOF at CERN up to neutron energies of 300 keV, providing for the first time experimental data above 8 keV. Results indicate that the stellar cross section at kT=30 keV is 1.5 to 1.7 times higher than most theoretical pre...

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Autores: Lederer-Woods, Claudia, Battino, Umberto, Ferreira, Paulo N., Guerrero, Carlos, Lerendegui Marco, Jorge, Cortés Giraldo, Miguel Antonio, Palomo Pinto, Rogelio, Quesada Molina, José Manuel, Sabaté Gilarte, Marta
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2019
País:España
Institución:Universidad de Sevilla (US)
Repositorio:idUS. Depósito de Investigación de la Universidad de Sevilla
OAI Identifier:oai:idus.us.es:11441/88800
Acceso en línea:https://hdl.handle.net/11441/88800
https://doi.org/10.1016/j.physletb.2019.01.045
Access Level:acceso abierto
Palabra clave:Nucleosynthesis
Neutron capture
s process
Germanium
n_TOF
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spelling Measurement of 73Ge(n,γ) cross sections and implications for stellar nucleosynthesisLederer-Woods, ClaudiaBattino, UmbertoFerreira, Paulo N.Guerrero, CarlosLerendegui Marco, JorgeCortés Giraldo, Miguel AntonioPalomo Pinto, RogelioQuesada Molina, José ManuelSabaté Gilarte, MartaNucleosynthesisNeutron captures processGermaniumn_TOF73Ge(n,γ) cross sections were measured at the neutron time-of-flight facility n_TOF at CERN up to neutron energies of 300 keV, providing for the first time experimental data above 8 keV. Results indicate that the stellar cross section at kT=30 keV is 1.5 to 1.7 times higher than most theoretical predictions. The new cross sections result in a substantial decrease of 73Ge produced in stars, which would explain the low isotopic abundance of 73Ge in the solar system.Fondo de Ciencia de Austria J3503Consejo de Instalaciones de Ciencia y Tecnología Reino Unido ST / M006085 / 1Consejo Europeo de Investigación ERC-2015-StG Nr.677497.ElsevierIngeniería ElectrónicaFísica Atómica, Molecular y NuclearTIC192: Ingeniería Electrónica2019info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/pdfhttps://hdl.handle.net/11441/88800https://doi.org/10.1016/j.physletb.2019.01.045reponame:idUS. Depósito de Investigación de la Universidad de Sevillainstname:Universidad de Sevilla (US)InglésPhysics Letters B, 790, 458-465.J3503ST/M006085/1ERC-2015-StG Nr.677497https://www.sciencedirect.com/science/article/pii/S037026931930070X?via%3Dihubinfo:eu-repo/semantics/openAccessoai:idus.us.es:11441/888002026-06-17T12:51:07Z
dc.title.none.fl_str_mv Measurement of 73Ge(n,γ) cross sections and implications for stellar nucleosynthesis
title Measurement of 73Ge(n,γ) cross sections and implications for stellar nucleosynthesis
spellingShingle Measurement of 73Ge(n,γ) cross sections and implications for stellar nucleosynthesis
Lederer-Woods, Claudia
Nucleosynthesis
Neutron capture
s process
Germanium
n_TOF
title_short Measurement of 73Ge(n,γ) cross sections and implications for stellar nucleosynthesis
title_full Measurement of 73Ge(n,γ) cross sections and implications for stellar nucleosynthesis
title_fullStr Measurement of 73Ge(n,γ) cross sections and implications for stellar nucleosynthesis
title_full_unstemmed Measurement of 73Ge(n,γ) cross sections and implications for stellar nucleosynthesis
title_sort Measurement of 73Ge(n,γ) cross sections and implications for stellar nucleosynthesis
dc.creator.none.fl_str_mv Lederer-Woods, Claudia
Battino, Umberto
Ferreira, Paulo N.
Guerrero, Carlos
Lerendegui Marco, Jorge
Cortés Giraldo, Miguel Antonio
Palomo Pinto, Rogelio
Quesada Molina, José Manuel
Sabaté Gilarte, Marta
author Lederer-Woods, Claudia
author_facet Lederer-Woods, Claudia
Battino, Umberto
Ferreira, Paulo N.
Guerrero, Carlos
Lerendegui Marco, Jorge
Cortés Giraldo, Miguel Antonio
Palomo Pinto, Rogelio
Quesada Molina, José Manuel
Sabaté Gilarte, Marta
author_role author
author2 Battino, Umberto
Ferreira, Paulo N.
Guerrero, Carlos
Lerendegui Marco, Jorge
Cortés Giraldo, Miguel Antonio
Palomo Pinto, Rogelio
Quesada Molina, José Manuel
Sabaté Gilarte, Marta
author2_role author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Ingeniería Electrónica
Física Atómica, Molecular y Nuclear
TIC192: Ingeniería Electrónica
dc.subject.none.fl_str_mv Nucleosynthesis
Neutron capture
s process
Germanium
n_TOF
topic Nucleosynthesis
Neutron capture
s process
Germanium
n_TOF
description 73Ge(n,γ) cross sections were measured at the neutron time-of-flight facility n_TOF at CERN up to neutron energies of 300 keV, providing for the first time experimental data above 8 keV. Results indicate that the stellar cross section at kT=30 keV is 1.5 to 1.7 times higher than most theoretical predictions. The new cross sections result in a substantial decrease of 73Ge produced in stars, which would explain the low isotopic abundance of 73Ge in the solar system.
publishDate 2019
dc.date.none.fl_str_mv 2019
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/11441/88800
https://doi.org/10.1016/j.physletb.2019.01.045
url https://hdl.handle.net/11441/88800
https://doi.org/10.1016/j.physletb.2019.01.045
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Physics Letters B, 790, 458-465.
J3503
ST/M006085/1
ERC-2015-StG Nr.677497
https://www.sciencedirect.com/science/article/pii/S037026931930070X?via%3Dihub
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:idUS. Depósito de Investigación de la Universidad de Sevilla
instname:Universidad de Sevilla (US)
instname_str Universidad de Sevilla (US)
reponame_str idUS. Depósito de Investigación de la Universidad de Sevilla
collection idUS. Depósito de Investigación de la Universidad de Sevilla
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869420624964747264
score 15.300719

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