Galaxy Clusters and Gamma-Ray Lines: Probing Gravitino Dark Matter with the Fermi LAT
If dark matter particles are not perfectly stable, their decay products might be seen in the cosmic-ray fluxes. A natural candidate for decaying dark matter is the gravitino in R-parity violating scenarios. In the relevant GeV-TeV energy range, the Fermi Large Area Telescope (LAT) is now measuring c...
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| creator | Huang, Xiaoyuan Vertongen, Gilles Weniger, Christoph |
| description | If dark matter particles are not perfectly stable, their decay products might
be seen in the cosmic-ray fluxes. A natural candidate for decaying dark matter
is the gravitino in R-parity violating scenarios. In the relevant GeV-TeV
energy range, the Fermi Large Area Telescope (LAT) is now measuring cosmic
gamma-ray fluxes with an unprecedented precision. We use the Fermi LAT
gamma-ray data to search for signatures from gravitino dark matter particles,
concentrating on gamma-ray lines and galaxy cluster observations. Implications
of our results for the decay length of the next-to-lightest superparticle,
which could be seen at the LHC in the near future, are discussed. |
| doi_str_mv | 10.48550/arxiv.1110.6236 |
| format | Article |
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be seen in the cosmic-ray fluxes. A natural candidate for decaying dark matter
is the gravitino in R-parity violating scenarios. In the relevant GeV-TeV
energy range, the Fermi Large Area Telescope (LAT) is now measuring cosmic
gamma-ray fluxes with an unprecedented precision. We use the Fermi LAT
gamma-ray data to search for signatures from gravitino dark matter particles,
concentrating on gamma-ray lines and galaxy cluster observations. Implications
of our results for the decay length of the next-to-lightest superparticle,
which could be seen at the LHC in the near future, are discussed.</description><identifier>DOI: 10.48550/arxiv.1110.6236</identifier><language>eng</language><subject>Physics - High Energy Astrophysical Phenomena ; Physics - High Energy Physics - Phenomenology</subject><creationdate>2011-10</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,780,885</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/1110.6236$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.1110.6236$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Huang, Xiaoyuan</creatorcontrib><creatorcontrib>Vertongen, Gilles</creatorcontrib><creatorcontrib>Weniger, Christoph</creatorcontrib><title>Galaxy Clusters and Gamma-Ray Lines: Probing Gravitino Dark Matter with the Fermi LAT</title><description>If dark matter particles are not perfectly stable, their decay products might
be seen in the cosmic-ray fluxes. A natural candidate for decaying dark matter
is the gravitino in R-parity violating scenarios. In the relevant GeV-TeV
energy range, the Fermi Large Area Telescope (LAT) is now measuring cosmic
gamma-ray fluxes with an unprecedented precision. We use the Fermi LAT
gamma-ray data to search for signatures from gravitino dark matter particles,
concentrating on gamma-ray lines and galaxy cluster observations. Implications
of our results for the decay length of the next-to-lightest superparticle,
which could be seen at the LHC in the near future, are discussed.</description><subject>Physics - High Energy Astrophysical Phenomena</subject><subject>Physics - High Energy Physics - Phenomenology</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNotz81Kw0AUBeDZuJDq3pXcF0i9k_lJ465EG4WIInEd7iQzdjBJZTLW5u1t1dWBA-fAx9gVx6VcKYU3FA5-v-T8WOhU6HP2VlJPhxmK_muKNkxAYwclDQMlrzRD5Uc73cJL2Bk_vkMZaO-jH3dwR-EDnigeN_Dt4xbi1sLGhsFDta4v2JmjfrKX_7lg9ea-Lh6S6rl8LNZVQlrpxKrcrqRJc5lnPG2NMdhmpnOYOY6pNIJbJ12LSgjMpBNGW4vYoTCCFIpULNj13-0vq_kMfqAwNydec-KJH47zSWQ</recordid><startdate>20111027</startdate><enddate>20111027</enddate><creator>Huang, Xiaoyuan</creator><creator>Vertongen, Gilles</creator><creator>Weniger, Christoph</creator><scope>GOX</scope></search><sort><creationdate>20111027</creationdate><title>Galaxy Clusters and Gamma-Ray Lines: Probing Gravitino Dark Matter with the Fermi LAT</title><author>Huang, Xiaoyuan ; Vertongen, Gilles ; Weniger, Christoph</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a656-e59e84b2949712cbbb0c7bdf07f1024b31ef4fc0533074f3b6ee00d03b3a50323</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Physics - High Energy Astrophysical Phenomena</topic><topic>Physics - High Energy Physics - Phenomenology</topic><toplevel>online_resources</toplevel><creatorcontrib>Huang, Xiaoyuan</creatorcontrib><creatorcontrib>Vertongen, Gilles</creatorcontrib><creatorcontrib>Weniger, Christoph</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Huang, Xiaoyuan</au><au>Vertongen, Gilles</au><au>Weniger, Christoph</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Galaxy Clusters and Gamma-Ray Lines: Probing Gravitino Dark Matter with the Fermi LAT</atitle><date>2011-10-27</date><risdate>2011</risdate><abstract>If dark matter particles are not perfectly stable, their decay products might
be seen in the cosmic-ray fluxes. A natural candidate for decaying dark matter
is the gravitino in R-parity violating scenarios. In the relevant GeV-TeV
energy range, the Fermi Large Area Telescope (LAT) is now measuring cosmic
gamma-ray fluxes with an unprecedented precision. We use the Fermi LAT
gamma-ray data to search for signatures from gravitino dark matter particles,
concentrating on gamma-ray lines and galaxy cluster observations. Implications
of our results for the decay length of the next-to-lightest superparticle,
which could be seen at the LHC in the near future, are discussed.</abstract><doi>10.48550/arxiv.1110.6236</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - High Energy Astrophysical Phenomena Physics - High Energy Physics - Phenomenology |
| title | Galaxy Clusters and Gamma-Ray Lines: Probing Gravitino Dark Matter with the Fermi LAT |
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