Search for sharp and smooth spectral signatures of μν SSM gravitino dark matter with Fermi-LAT

Autores
Gomez Vargas, German Arturo; López-Fogliani, Daniel E.; Muñoz, Carlos; Perez, Andres Daniel; Ruiz De Austri, Roberto
Año de publicación
2017
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The μνSSM solves the μ problem of supersymmetric models and reproduces neutrino data, simply using couplings with right-handed neutrinos ν's. Given that these couplings break explicitly R parity, the gravitino is a natural candidate for decaying dark matter in the μνSSM. In this work we carry out a complete analysis of the detection of μνSSM gravitino dark matter through γ-ray observations. In addition to the two-body decay producing a sharp line, we include in the analysis the three-body decays producing a smooth spectral signature. We perform first a deep exploration of the low-energy parameter space of the μνSSM taking into account that neutrino data must be reproduced. Then, we compare the γ-ray fluxes predicted by the model with Fermi-LAT observations. In particular, with the 95% CL upper limits on the total diffuse extragalactic γ-ray background using 50 months of data, together with the upper limits on line emission from an updated analysis using 69.9 months of data. For standard values of bino and wino masses, gravitinos with masses larger than about 4 GeV, or lifetimes smaller than about 1028 s, produce too large fluxes and are excluded as dark matter candidates. However, when limiting scenarios with large and close values of the gaugino masses are considered, the constraints turn out to be less stringent, excluding masses larger than 17 GeV and lifetimes smaller than 4 × 1025 s.
Fil: Gomez Vargas, German Arturo. Universidad Católica de Chile; Chile. Pontificia Universidad Católica de Chile; Chile. Istituto Nazionale Di Fisica Nucleare; Italia
Fil: López-Fogliani, Daniel E.. Universidad de Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
Fil: Muñoz, Carlos. Universidad Autónoma de Madrid; España
Fil: Perez, Andres Daniel. Universidad de Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
Fil: Ruiz De Austri, Roberto. Instituto de Física Corpuscular (csic-uv); España
Materia
DARK MATTER EXPERIMENTS
DARK MATTER THEORY
GAMMA RAY EXPERIMENTS
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/52151
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/52151
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Search for sharp and smooth spectral signatures of μν SSM gravitino dark matter with Fermi-LATGomez Vargas, German ArturoLópez-Fogliani, Daniel E.Muñoz, CarlosPerez, Andres DanielRuiz De Austri, RobertoDARK MATTER EXPERIMENTSDARK MATTER THEORYGAMMA RAY EXPERIMENTShttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1The μνSSM solves the μ problem of supersymmetric models and reproduces neutrino data, simply using couplings with right-handed neutrinos ν's. Given that these couplings break explicitly R parity, the gravitino is a natural candidate for decaying dark matter in the μνSSM. In this work we carry out a complete analysis of the detection of μνSSM gravitino dark matter through γ-ray observations. In addition to the two-body decay producing a sharp line, we include in the analysis the three-body decays producing a smooth spectral signature. We perform first a deep exploration of the low-energy parameter space of the μνSSM taking into account that neutrino data must be reproduced. Then, we compare the γ-ray fluxes predicted by the model with Fermi-LAT observations. In particular, with the 95% CL upper limits on the total diffuse extragalactic γ-ray background using 50 months of data, together with the upper limits on line emission from an updated analysis using 69.9 months of data. For standard values of bino and wino masses, gravitinos with masses larger than about 4 GeV, or lifetimes smaller than about 1028 s, produce too large fluxes and are excluded as dark matter candidates. However, when limiting scenarios with large and close values of the gaugino masses are considered, the constraints turn out to be less stringent, excluding masses larger than 17 GeV and lifetimes smaller than 4 × 1025 s.Fil: Gomez Vargas, German Arturo. Universidad Católica de Chile; Chile. Pontificia Universidad Católica de Chile; Chile. Istituto Nazionale Di Fisica Nucleare; ItaliaFil: López-Fogliani, Daniel E.. Universidad de Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; ArgentinaFil: Muñoz, Carlos. Universidad Autónoma de Madrid; EspañaFil: Perez, Andres Daniel. Universidad de Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; ArgentinaFil: Ruiz De Austri, Roberto. Instituto de Física Corpuscular (csic-uv); EspañaIOP Publishing2017-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/52151Gomez Vargas, German Arturo; López-Fogliani, Daniel E.; Muñoz, Carlos; Perez, Andres Daniel; Ruiz De Austri, Roberto; Search for sharp and smooth spectral signatures of μν SSM gravitino dark matter with Fermi-LAT; IOP Publishing; Journal of Cosmology and Astroparticle Physics; 2017; 3; 3-2017; 1-241475-7516CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1608.08640info:eu-repo/semantics/altIdentifier/doi/10.1088/1475-7516/2017/03/047info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:19:40Zoai:ri.conicet.gov.ar:11336/52151instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:19:41.195CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Search for sharp and smooth spectral signatures of μν SSM gravitino dark matter with Fermi-LAT
title Search for sharp and smooth spectral signatures of μν SSM gravitino dark matter with Fermi-LAT
spellingShingle Search for sharp and smooth spectral signatures of μν SSM gravitino dark matter with Fermi-LAT
Gomez Vargas, German Arturo
DARK MATTER EXPERIMENTS
DARK MATTER THEORY
GAMMA RAY EXPERIMENTS
title_short Search for sharp and smooth spectral signatures of μν SSM gravitino dark matter with Fermi-LAT
title_full Search for sharp and smooth spectral signatures of μν SSM gravitino dark matter with Fermi-LAT
title_fullStr Search for sharp and smooth spectral signatures of μν SSM gravitino dark matter with Fermi-LAT
title_full_unstemmed Search for sharp and smooth spectral signatures of μν SSM gravitino dark matter with Fermi-LAT
title_sort Search for sharp and smooth spectral signatures of μν SSM gravitino dark matter with Fermi-LAT
dc.creator.none.fl_str_mv Gomez Vargas, German Arturo
López-Fogliani, Daniel E.
Muñoz, Carlos
Perez, Andres Daniel
Ruiz De Austri, Roberto
author Gomez Vargas, German Arturo
author_facet Gomez Vargas, German Arturo
López-Fogliani, Daniel E.
Muñoz, Carlos
Perez, Andres Daniel
Ruiz De Austri, Roberto
author_role author
author2 López-Fogliani, Daniel E.
Muñoz, Carlos
Perez, Andres Daniel
Ruiz De Austri, Roberto
author2_role author
author
author
author
dc.subject.none.fl_str_mv DARK MATTER EXPERIMENTS
DARK MATTER THEORY
GAMMA RAY EXPERIMENTS
topic DARK MATTER EXPERIMENTS
DARK MATTER THEORY
GAMMA RAY EXPERIMENTS
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The μνSSM solves the μ problem of supersymmetric models and reproduces neutrino data, simply using couplings with right-handed neutrinos ν's. Given that these couplings break explicitly R parity, the gravitino is a natural candidate for decaying dark matter in the μνSSM. In this work we carry out a complete analysis of the detection of μνSSM gravitino dark matter through γ-ray observations. In addition to the two-body decay producing a sharp line, we include in the analysis the three-body decays producing a smooth spectral signature. We perform first a deep exploration of the low-energy parameter space of the μνSSM taking into account that neutrino data must be reproduced. Then, we compare the γ-ray fluxes predicted by the model with Fermi-LAT observations. In particular, with the 95% CL upper limits on the total diffuse extragalactic γ-ray background using 50 months of data, together with the upper limits on line emission from an updated analysis using 69.9 months of data. For standard values of bino and wino masses, gravitinos with masses larger than about 4 GeV, or lifetimes smaller than about 1028 s, produce too large fluxes and are excluded as dark matter candidates. However, when limiting scenarios with large and close values of the gaugino masses are considered, the constraints turn out to be less stringent, excluding masses larger than 17 GeV and lifetimes smaller than 4 × 1025 s.
Fil: Gomez Vargas, German Arturo. Universidad Católica de Chile; Chile. Pontificia Universidad Católica de Chile; Chile. Istituto Nazionale Di Fisica Nucleare; Italia
Fil: López-Fogliani, Daniel E.. Universidad de Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
Fil: Muñoz, Carlos. Universidad Autónoma de Madrid; España
Fil: Perez, Andres Daniel. Universidad de Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
Fil: Ruiz De Austri, Roberto. Instituto de Física Corpuscular (csic-uv); España
description The μνSSM solves the μ problem of supersymmetric models and reproduces neutrino data, simply using couplings with right-handed neutrinos ν's. Given that these couplings break explicitly R parity, the gravitino is a natural candidate for decaying dark matter in the μνSSM. In this work we carry out a complete analysis of the detection of μνSSM gravitino dark matter through γ-ray observations. In addition to the two-body decay producing a sharp line, we include in the analysis the three-body decays producing a smooth spectral signature. We perform first a deep exploration of the low-energy parameter space of the μνSSM taking into account that neutrino data must be reproduced. Then, we compare the γ-ray fluxes predicted by the model with Fermi-LAT observations. In particular, with the 95% CL upper limits on the total diffuse extragalactic γ-ray background using 50 months of data, together with the upper limits on line emission from an updated analysis using 69.9 months of data. For standard values of bino and wino masses, gravitinos with masses larger than about 4 GeV, or lifetimes smaller than about 1028 s, produce too large fluxes and are excluded as dark matter candidates. However, when limiting scenarios with large and close values of the gaugino masses are considered, the constraints turn out to be less stringent, excluding masses larger than 17 GeV and lifetimes smaller than 4 × 1025 s.
publishDate 2017
dc.date.none.fl_str_mv 2017-03
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/52151
Gomez Vargas, German Arturo; López-Fogliani, Daniel E.; Muñoz, Carlos; Perez, Andres Daniel; Ruiz De Austri, Roberto; Search for sharp and smooth spectral signatures of μν SSM gravitino dark matter with Fermi-LAT; IOP Publishing; Journal of Cosmology and Astroparticle Physics; 2017; 3; 3-2017; 1-24
1475-7516
CONICET Digital
CONICET
url http://hdl.handle.net/11336/52151
identifier_str_mv Gomez Vargas, German Arturo; López-Fogliani, Daniel E.; Muñoz, Carlos; Perez, Andres Daniel; Ruiz De Austri, Roberto; Search for sharp and smooth spectral signatures of μν SSM gravitino dark matter with Fermi-LAT; IOP Publishing; Journal of Cosmology and Astroparticle Physics; 2017; 3; 3-2017; 1-24
1475-7516
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1608.08640
info:eu-repo/semantics/altIdentifier/doi/10.1088/1475-7516/2017/03/047
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv IOP Publishing
publisher.none.fl_str_mv IOP Publishing
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.070432

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