Search for Dark Matter Annihilations towards the Inner Galactic Halo from 10 Years of Observations with H.E.S.S
The inner region of the Milky Way halo harbors a large amount of dark matter (DM). Given its proximity, it is one of the most promising targets to look for DM. We report on a search for the annihilations of DM particles using γ-ray observations towards the inner 300 pc of the Milky Way, with the H.E...
Ausführliche Beschreibung
Gespeichert in:
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Abdallah, H [verfasserIn] |
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Artikel |
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Englisch |
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2016 |
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Enthalten in: Physical review letters - Ridge, NY : American Physical Society, 1958, 117(2016), 11 |
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| Übergeordnetes Werk: |
volume:117 ; year:2016 ; number:11 |
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| DOI / URN: |
10.1103/PhysRevLett.117.111301 |
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OLC198403006X |
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| 520 | |a The inner region of the Milky Way halo harbors a large amount of dark matter (DM). Given its proximity, it is one of the most promising targets to look for DM. We report on a search for the annihilations of DM particles using γ-ray observations towards the inner 300 pc of the Milky Way, with the H.E.S.S. array of ground-based Cherenkov telescopes. The analysis is based on a 2D maximum likelihood method using Galactic Center (GC) data accumulated by H.E.S.S. over the last 10 years (2004-2014), and does not show any significant γ-ray signal above background. Assuming Einasto and Navarro-Frenk-White DM density profiles at the GC, we derive upper limits on the annihilation cross section ⟨σv⟩. These constraints are the strongest obtained so far in the TeV DM mass range and improve upon previous limits by a factor 5. For the Einasto profile, the constraints reach ⟨σv⟩ values of 6×10^{-26} cm^{3} s^{-1} in the W^{+}W^{-} channel for a DM particle mass of 1.5 TeV, and 2×10^{-26} cm^{3} s^{-1} in the τ^{+}τ^{-} channel for a 1 TeV mass. For the first time, ground-based γ-ray observations have reached sufficient sensitivity to probe ⟨σv⟩ values expected from the thermal relic density for TeV DM particles. | ||
| 650 | 4 | |a High Energy Astrophysical Phenomena | |
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10.1103/PhysRevLett.117.111301 doi PQ20161201 (DE-627)OLC198403006X (DE-599)GBVOLC198403006X (PRQ)a1581-d23e5f36730ac2237852d649a9e3a63b91434ac18cc24c32e86dd3bd0d67a75f0 (KEY)0009201020160000117001100000searchfordarkmatterannihilationstowardstheinnergal DE-627 ger DE-627 rakwb eng 550 DNB UA 1000 AVZ rvk Abdallah, H verfasserin aut Search for Dark Matter Annihilations towards the Inner Galactic Halo from 10 Years of Observations with H.E.S.S 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The inner region of the Milky Way halo harbors a large amount of dark matter (DM). Given its proximity, it is one of the most promising targets to look for DM. We report on a search for the annihilations of DM particles using γ-ray observations towards the inner 300 pc of the Milky Way, with the H.E.S.S. array of ground-based Cherenkov telescopes. The analysis is based on a 2D maximum likelihood method using Galactic Center (GC) data accumulated by H.E.S.S. over the last 10 years (2004-2014), and does not show any significant γ-ray signal above background. Assuming Einasto and Navarro-Frenk-White DM density profiles at the GC, we derive upper limits on the annihilation cross section ⟨σv⟩. These constraints are the strongest obtained so far in the TeV DM mass range and improve upon previous limits by a factor 5. For the Einasto profile, the constraints reach ⟨σv⟩ values of 6×10^{-26} cm^{3} s^{-1} in the W^{+}W^{-} channel for a DM particle mass of 1.5 TeV, and 2×10^{-26} cm^{3} s^{-1} in the τ^{+}τ^{-} channel for a 1 TeV mass. For the first time, ground-based γ-ray observations have reached sufficient sensitivity to probe ⟨σv⟩ values expected from the thermal relic density for TeV DM particles. High Energy Astrophysical Phenomena Astrophysics Abramowski, A oth Aharonian, F oth Ait Benkhali, F oth Akhperjanian, A G oth Angüner, E oth Arrieta, M oth Aubert, P oth Backes, M oth Balzer, A oth Barnard, M oth Becherini, Y oth Becker Tjus, J oth Berge, D oth Bernhard, S oth Bernlöhr, K oth Birsin, E oth Blackwell, R oth Böttcher, M oth Boisson, C oth Bolmont, J oth Bordas, P oth Bregeon, J oth Brun, F oth Brun, P oth Bryan, M oth Bulik, T oth Capasso, M oth Carr, J oth Casanova, S oth Chakraborty, N oth Chalme-Calvet, R oth Chaves, R C G oth Chen, A oth Chevalier, J oth Chrétien, M oth Colafrancesco, S oth Cologna, G oth Condon, B oth Conrad, J oth Couturier, C oth Cui, Y oth Davids, I D oth Degrange, B oth Deil, C oth deWilt, P oth Djannati-Ataï, A oth Domainko, W oth Donath, A oth Drury, L O'C oth Dubus, G oth Dutson, K oth Dyks, J oth Dyrda, M oth Edwards, T oth Egberts, K oth Eger, P oth Ernenwein, J-P oth Eschbach, S oth Farnier, C oth Fegan, S oth Fernandes, M V oth Fiasson, A oth Fontaine, G oth Förster, A oth Funk, S oth Füßling, M oth Gabici, S oth Gajdus, M oth Gallant, Y A oth Garrigoux, T oth Giavitto, G oth Giebels, B oth Glicenstein, J F oth Gottschall, D oth Goyal, A oth Grondin, M-H oth Grudzińska, M oth Hadasch, D oth Hahn, J oth Hawkes, J oth Heinzelmann, G oth Henri, G oth Hermann, G oth Hervet, O oth Hillert, A oth Hinton, J A oth Hofmann, W oth Hoischen, C oth Holler, M oth Horns, D oth Ivascenko, A oth Jacholkowska, A oth Jamrozy, M oth Janiak, M oth Jankowsky, D oth Jankowsky, F oth Jingo, M oth Jogler, T oth Jouvin, L oth ... oth Enthalten in Physical review letters Ridge, NY : American Physical Society, 1958 117(2016), 11 (DE-627)129503959 (DE-600)208853-8 (DE-576)014907267 0031-9007 nnns volume:117 year:2016 number:11 http://dx.doi.org/10.1103/PhysRevLett.117.111301 Volltext http://www.ncbi.nlm.nih.gov/pubmed/27661677 http://arxiv.org/abs/1607.08142 http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-57086 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2004 GBV_ILN_2016 GBV_ILN_2095 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_2286 UA 1000 AR 117 2016 11 |
| spelling |
10.1103/PhysRevLett.117.111301 doi PQ20161201 (DE-627)OLC198403006X (DE-599)GBVOLC198403006X (PRQ)a1581-d23e5f36730ac2237852d649a9e3a63b91434ac18cc24c32e86dd3bd0d67a75f0 (KEY)0009201020160000117001100000searchfordarkmatterannihilationstowardstheinnergal DE-627 ger DE-627 rakwb eng 550 DNB UA 1000 AVZ rvk Abdallah, H verfasserin aut Search for Dark Matter Annihilations towards the Inner Galactic Halo from 10 Years of Observations with H.E.S.S 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The inner region of the Milky Way halo harbors a large amount of dark matter (DM). Given its proximity, it is one of the most promising targets to look for DM. We report on a search for the annihilations of DM particles using γ-ray observations towards the inner 300 pc of the Milky Way, with the H.E.S.S. array of ground-based Cherenkov telescopes. The analysis is based on a 2D maximum likelihood method using Galactic Center (GC) data accumulated by H.E.S.S. over the last 10 years (2004-2014), and does not show any significant γ-ray signal above background. Assuming Einasto and Navarro-Frenk-White DM density profiles at the GC, we derive upper limits on the annihilation cross section ⟨σv⟩. These constraints are the strongest obtained so far in the TeV DM mass range and improve upon previous limits by a factor 5. For the Einasto profile, the constraints reach ⟨σv⟩ values of 6×10^{-26} cm^{3} s^{-1} in the W^{+}W^{-} channel for a DM particle mass of 1.5 TeV, and 2×10^{-26} cm^{3} s^{-1} in the τ^{+}τ^{-} channel for a 1 TeV mass. For the first time, ground-based γ-ray observations have reached sufficient sensitivity to probe ⟨σv⟩ values expected from the thermal relic density for TeV DM particles. High Energy Astrophysical Phenomena Astrophysics Abramowski, A oth Aharonian, F oth Ait Benkhali, F oth Akhperjanian, A G oth Angüner, E oth Arrieta, M oth Aubert, P oth Backes, M oth Balzer, A oth Barnard, M oth Becherini, Y oth Becker Tjus, J oth Berge, D oth Bernhard, S oth Bernlöhr, K oth Birsin, E oth Blackwell, R oth Böttcher, M oth Boisson, C oth Bolmont, J oth Bordas, P oth Bregeon, J oth Brun, F oth Brun, P oth Bryan, M oth Bulik, T oth Capasso, M oth Carr, J oth Casanova, S oth Chakraborty, N oth Chalme-Calvet, R oth Chaves, R C G oth Chen, A oth Chevalier, J oth Chrétien, M oth Colafrancesco, S oth Cologna, G oth Condon, B oth Conrad, J oth Couturier, C oth Cui, Y oth Davids, I D oth Degrange, B oth Deil, C oth deWilt, P oth Djannati-Ataï, A oth Domainko, W oth Donath, A oth Drury, L O'C oth Dubus, G oth Dutson, K oth Dyks, J oth Dyrda, M oth Edwards, T oth Egberts, K oth Eger, P oth Ernenwein, J-P oth Eschbach, S oth Farnier, C oth Fegan, S oth Fernandes, M V oth Fiasson, A oth Fontaine, G oth Förster, A oth Funk, S oth Füßling, M oth Gabici, S oth Gajdus, M oth Gallant, Y A oth Garrigoux, T oth Giavitto, G oth Giebels, B oth Glicenstein, J F oth Gottschall, D oth Goyal, A oth Grondin, M-H oth Grudzińska, M oth Hadasch, D oth Hahn, J oth Hawkes, J oth Heinzelmann, G oth Henri, G oth Hermann, G oth Hervet, O oth Hillert, A oth Hinton, J A oth Hofmann, W oth Hoischen, C oth Holler, M oth Horns, D oth Ivascenko, A oth Jacholkowska, A oth Jamrozy, M oth Janiak, M oth Jankowsky, D oth Jankowsky, F oth Jingo, M oth Jogler, T oth Jouvin, L oth ... oth Enthalten in Physical review letters Ridge, NY : American Physical Society, 1958 117(2016), 11 (DE-627)129503959 (DE-600)208853-8 (DE-576)014907267 0031-9007 nnns volume:117 year:2016 number:11 http://dx.doi.org/10.1103/PhysRevLett.117.111301 Volltext http://www.ncbi.nlm.nih.gov/pubmed/27661677 http://arxiv.org/abs/1607.08142 http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-57086 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2004 GBV_ILN_2016 GBV_ILN_2095 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_2286 UA 1000 AR 117 2016 11 |
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10.1103/PhysRevLett.117.111301 doi PQ20161201 (DE-627)OLC198403006X (DE-599)GBVOLC198403006X (PRQ)a1581-d23e5f36730ac2237852d649a9e3a63b91434ac18cc24c32e86dd3bd0d67a75f0 (KEY)0009201020160000117001100000searchfordarkmatterannihilationstowardstheinnergal DE-627 ger DE-627 rakwb eng 550 DNB UA 1000 AVZ rvk Abdallah, H verfasserin aut Search for Dark Matter Annihilations towards the Inner Galactic Halo from 10 Years of Observations with H.E.S.S 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The inner region of the Milky Way halo harbors a large amount of dark matter (DM). Given its proximity, it is one of the most promising targets to look for DM. We report on a search for the annihilations of DM particles using γ-ray observations towards the inner 300 pc of the Milky Way, with the H.E.S.S. array of ground-based Cherenkov telescopes. The analysis is based on a 2D maximum likelihood method using Galactic Center (GC) data accumulated by H.E.S.S. over the last 10 years (2004-2014), and does not show any significant γ-ray signal above background. Assuming Einasto and Navarro-Frenk-White DM density profiles at the GC, we derive upper limits on the annihilation cross section ⟨σv⟩. These constraints are the strongest obtained so far in the TeV DM mass range and improve upon previous limits by a factor 5. For the Einasto profile, the constraints reach ⟨σv⟩ values of 6×10^{-26} cm^{3} s^{-1} in the W^{+}W^{-} channel for a DM particle mass of 1.5 TeV, and 2×10^{-26} cm^{3} s^{-1} in the τ^{+}τ^{-} channel for a 1 TeV mass. For the first time, ground-based γ-ray observations have reached sufficient sensitivity to probe ⟨σv⟩ values expected from the thermal relic density for TeV DM particles. High Energy Astrophysical Phenomena Astrophysics Abramowski, A oth Aharonian, F oth Ait Benkhali, F oth Akhperjanian, A G oth Angüner, E oth Arrieta, M oth Aubert, P oth Backes, M oth Balzer, A oth Barnard, M oth Becherini, Y oth Becker Tjus, J oth Berge, D oth Bernhard, S oth Bernlöhr, K oth Birsin, E oth Blackwell, R oth Böttcher, M oth Boisson, C oth Bolmont, J oth Bordas, P oth Bregeon, J oth Brun, F oth Brun, P oth Bryan, M oth Bulik, T oth Capasso, M oth Carr, J oth Casanova, S oth Chakraborty, N oth Chalme-Calvet, R oth Chaves, R C G oth Chen, A oth Chevalier, J oth Chrétien, M oth Colafrancesco, S oth Cologna, G oth Condon, B oth Conrad, J oth Couturier, C oth Cui, Y oth Davids, I D oth Degrange, B oth Deil, C oth deWilt, P oth Djannati-Ataï, A oth Domainko, W oth Donath, A oth Drury, L O'C oth Dubus, G oth Dutson, K oth Dyks, J oth Dyrda, M oth Edwards, T oth Egberts, K oth Eger, P oth Ernenwein, J-P oth Eschbach, S oth Farnier, C oth Fegan, S oth Fernandes, M V oth Fiasson, A oth Fontaine, G oth Förster, A oth Funk, S oth Füßling, M oth Gabici, S oth Gajdus, M oth Gallant, Y A oth Garrigoux, T oth Giavitto, G oth Giebels, B oth Glicenstein, J F oth Gottschall, D oth Goyal, A oth Grondin, M-H oth Grudzińska, M oth Hadasch, D oth Hahn, J oth Hawkes, J oth Heinzelmann, G oth Henri, G oth Hermann, G oth Hervet, O oth Hillert, A oth Hinton, J A oth Hofmann, W oth Hoischen, C oth Holler, M oth Horns, D oth Ivascenko, A oth Jacholkowska, A oth Jamrozy, M oth Janiak, M oth Jankowsky, D oth Jankowsky, F oth Jingo, M oth Jogler, T oth Jouvin, L oth ... oth Enthalten in Physical review letters Ridge, NY : American Physical Society, 1958 117(2016), 11 (DE-627)129503959 (DE-600)208853-8 (DE-576)014907267 0031-9007 nnns volume:117 year:2016 number:11 http://dx.doi.org/10.1103/PhysRevLett.117.111301 Volltext http://www.ncbi.nlm.nih.gov/pubmed/27661677 http://arxiv.org/abs/1607.08142 http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-57086 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2004 GBV_ILN_2016 GBV_ILN_2095 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_2286 UA 1000 AR 117 2016 11 |
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10.1103/PhysRevLett.117.111301 doi PQ20161201 (DE-627)OLC198403006X (DE-599)GBVOLC198403006X (PRQ)a1581-d23e5f36730ac2237852d649a9e3a63b91434ac18cc24c32e86dd3bd0d67a75f0 (KEY)0009201020160000117001100000searchfordarkmatterannihilationstowardstheinnergal DE-627 ger DE-627 rakwb eng 550 DNB UA 1000 AVZ rvk Abdallah, H verfasserin aut Search for Dark Matter Annihilations towards the Inner Galactic Halo from 10 Years of Observations with H.E.S.S 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The inner region of the Milky Way halo harbors a large amount of dark matter (DM). Given its proximity, it is one of the most promising targets to look for DM. We report on a search for the annihilations of DM particles using γ-ray observations towards the inner 300 pc of the Milky Way, with the H.E.S.S. array of ground-based Cherenkov telescopes. The analysis is based on a 2D maximum likelihood method using Galactic Center (GC) data accumulated by H.E.S.S. over the last 10 years (2004-2014), and does not show any significant γ-ray signal above background. Assuming Einasto and Navarro-Frenk-White DM density profiles at the GC, we derive upper limits on the annihilation cross section ⟨σv⟩. These constraints are the strongest obtained so far in the TeV DM mass range and improve upon previous limits by a factor 5. For the Einasto profile, the constraints reach ⟨σv⟩ values of 6×10^{-26} cm^{3} s^{-1} in the W^{+}W^{-} channel for a DM particle mass of 1.5 TeV, and 2×10^{-26} cm^{3} s^{-1} in the τ^{+}τ^{-} channel for a 1 TeV mass. For the first time, ground-based γ-ray observations have reached sufficient sensitivity to probe ⟨σv⟩ values expected from the thermal relic density for TeV DM particles. High Energy Astrophysical Phenomena Astrophysics Abramowski, A oth Aharonian, F oth Ait Benkhali, F oth Akhperjanian, A G oth Angüner, E oth Arrieta, M oth Aubert, P oth Backes, M oth Balzer, A oth Barnard, M oth Becherini, Y oth Becker Tjus, J oth Berge, D oth Bernhard, S oth Bernlöhr, K oth Birsin, E oth Blackwell, R oth Böttcher, M oth Boisson, C oth Bolmont, J oth Bordas, P oth Bregeon, J oth Brun, F oth Brun, P oth Bryan, M oth Bulik, T oth Capasso, M oth Carr, J oth Casanova, S oth Chakraborty, N oth Chalme-Calvet, R oth Chaves, R C G oth Chen, A oth Chevalier, J oth Chrétien, M oth Colafrancesco, S oth Cologna, G oth Condon, B oth Conrad, J oth Couturier, C oth Cui, Y oth Davids, I D oth Degrange, B oth Deil, C oth deWilt, P oth Djannati-Ataï, A oth Domainko, W oth Donath, A oth Drury, L O'C oth Dubus, G oth Dutson, K oth Dyks, J oth Dyrda, M oth Edwards, T oth Egberts, K oth Eger, P oth Ernenwein, J-P oth Eschbach, S oth Farnier, C oth Fegan, S oth Fernandes, M V oth Fiasson, A oth Fontaine, G oth Förster, A oth Funk, S oth Füßling, M oth Gabici, S oth Gajdus, M oth Gallant, Y A oth Garrigoux, T oth Giavitto, G oth Giebels, B oth Glicenstein, J F oth Gottschall, D oth Goyal, A oth Grondin, M-H oth Grudzińska, M oth Hadasch, D oth Hahn, J oth Hawkes, J oth Heinzelmann, G oth Henri, G oth Hermann, G oth Hervet, O oth Hillert, A oth Hinton, J A oth Hofmann, W oth Hoischen, C oth Holler, M oth Horns, D oth Ivascenko, A oth Jacholkowska, A oth Jamrozy, M oth Janiak, M oth Jankowsky, D oth Jankowsky, F oth Jingo, M oth Jogler, T oth Jouvin, L oth ... oth Enthalten in Physical review letters Ridge, NY : American Physical Society, 1958 117(2016), 11 (DE-627)129503959 (DE-600)208853-8 (DE-576)014907267 0031-9007 nnns volume:117 year:2016 number:11 http://dx.doi.org/10.1103/PhysRevLett.117.111301 Volltext http://www.ncbi.nlm.nih.gov/pubmed/27661677 http://arxiv.org/abs/1607.08142 http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-57086 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2004 GBV_ILN_2016 GBV_ILN_2095 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_2286 UA 1000 AR 117 2016 11 |
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10.1103/PhysRevLett.117.111301 doi PQ20161201 (DE-627)OLC198403006X (DE-599)GBVOLC198403006X (PRQ)a1581-d23e5f36730ac2237852d649a9e3a63b91434ac18cc24c32e86dd3bd0d67a75f0 (KEY)0009201020160000117001100000searchfordarkmatterannihilationstowardstheinnergal DE-627 ger DE-627 rakwb eng 550 DNB UA 1000 AVZ rvk Abdallah, H verfasserin aut Search for Dark Matter Annihilations towards the Inner Galactic Halo from 10 Years of Observations with H.E.S.S 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The inner region of the Milky Way halo harbors a large amount of dark matter (DM). Given its proximity, it is one of the most promising targets to look for DM. We report on a search for the annihilations of DM particles using γ-ray observations towards the inner 300 pc of the Milky Way, with the H.E.S.S. array of ground-based Cherenkov telescopes. The analysis is based on a 2D maximum likelihood method using Galactic Center (GC) data accumulated by H.E.S.S. over the last 10 years (2004-2014), and does not show any significant γ-ray signal above background. Assuming Einasto and Navarro-Frenk-White DM density profiles at the GC, we derive upper limits on the annihilation cross section ⟨σv⟩. These constraints are the strongest obtained so far in the TeV DM mass range and improve upon previous limits by a factor 5. For the Einasto profile, the constraints reach ⟨σv⟩ values of 6×10^{-26} cm^{3} s^{-1} in the W^{+}W^{-} channel for a DM particle mass of 1.5 TeV, and 2×10^{-26} cm^{3} s^{-1} in the τ^{+}τ^{-} channel for a 1 TeV mass. For the first time, ground-based γ-ray observations have reached sufficient sensitivity to probe ⟨σv⟩ values expected from the thermal relic density for TeV DM particles. High Energy Astrophysical Phenomena Astrophysics Abramowski, A oth Aharonian, F oth Ait Benkhali, F oth Akhperjanian, A G oth Angüner, E oth Arrieta, M oth Aubert, P oth Backes, M oth Balzer, A oth Barnard, M oth Becherini, Y oth Becker Tjus, J oth Berge, D oth Bernhard, S oth Bernlöhr, K oth Birsin, E oth Blackwell, R oth Böttcher, M oth Boisson, C oth Bolmont, J oth Bordas, P oth Bregeon, J oth Brun, F oth Brun, P oth Bryan, M oth Bulik, T oth Capasso, M oth Carr, J oth Casanova, S oth Chakraborty, N oth Chalme-Calvet, R oth Chaves, R C G oth Chen, A oth Chevalier, J oth Chrétien, M oth Colafrancesco, S oth Cologna, G oth Condon, B oth Conrad, J oth Couturier, C oth Cui, Y oth Davids, I D oth Degrange, B oth Deil, C oth deWilt, P oth Djannati-Ataï, A oth Domainko, W oth Donath, A oth Drury, L O'C oth Dubus, G oth Dutson, K oth Dyks, J oth Dyrda, M oth Edwards, T oth Egberts, K oth Eger, P oth Ernenwein, J-P oth Eschbach, S oth Farnier, C oth Fegan, S oth Fernandes, M V oth Fiasson, A oth Fontaine, G oth Förster, A oth Funk, S oth Füßling, M oth Gabici, S oth Gajdus, M oth Gallant, Y A oth Garrigoux, T oth Giavitto, G oth Giebels, B oth Glicenstein, J F oth Gottschall, D oth Goyal, A oth Grondin, M-H oth Grudzińska, M oth Hadasch, D oth Hahn, J oth Hawkes, J oth Heinzelmann, G oth Henri, G oth Hermann, G oth Hervet, O oth Hillert, A oth Hinton, J A oth Hofmann, W oth Hoischen, C oth Holler, M oth Horns, D oth Ivascenko, A oth Jacholkowska, A oth Jamrozy, M oth Janiak, M oth Jankowsky, D oth Jankowsky, F oth Jingo, M oth Jogler, T oth Jouvin, L oth ... oth Enthalten in Physical review letters Ridge, NY : American Physical Society, 1958 117(2016), 11 (DE-627)129503959 (DE-600)208853-8 (DE-576)014907267 0031-9007 nnns volume:117 year:2016 number:11 http://dx.doi.org/10.1103/PhysRevLett.117.111301 Volltext http://www.ncbi.nlm.nih.gov/pubmed/27661677 http://arxiv.org/abs/1607.08142 http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-57086 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2004 GBV_ILN_2016 GBV_ILN_2095 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_2286 UA 1000 AR 117 2016 11 |
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Abdallah, H @@aut@@ Abramowski, A @@oth@@ Aharonian, F @@oth@@ Ait Benkhali, F @@oth@@ Akhperjanian, A G @@oth@@ Angüner, E @@oth@@ Arrieta, M @@oth@@ Aubert, P @@oth@@ Backes, M @@oth@@ Balzer, A @@oth@@ Barnard, M @@oth@@ Becherini, Y @@oth@@ Becker Tjus, J @@oth@@ Berge, D @@oth@@ Bernhard, S @@oth@@ Bernlöhr, K @@oth@@ Birsin, E @@oth@@ Blackwell, R @@oth@@ Böttcher, M @@oth@@ Boisson, C @@oth@@ Bolmont, J @@oth@@ Bordas, P @@oth@@ Bregeon, J @@oth@@ Brun, F @@oth@@ Brun, P @@oth@@ Bryan, M @@oth@@ Bulik, T @@oth@@ Capasso, M @@oth@@ Carr, J @@oth@@ Casanova, S @@oth@@ Chakraborty, N @@oth@@ Chalme-Calvet, R @@oth@@ Chaves, R C G @@oth@@ Chen, A @@oth@@ Chevalier, J @@oth@@ Chrétien, M @@oth@@ Colafrancesco, S @@oth@@ Cologna, G @@oth@@ Condon, B @@oth@@ Conrad, J @@oth@@ Couturier, C @@oth@@ Cui, Y @@oth@@ Davids, I D @@oth@@ Degrange, B @@oth@@ Deil, C @@oth@@ deWilt, P @@oth@@ Djannati-Ataï, A @@oth@@ Domainko, W @@oth@@ Donath, A @@oth@@ Drury, L O'C @@oth@@ Dubus, G @@oth@@ Dutson, K @@oth@@ Dyks, J @@oth@@ Dyrda, M @@oth@@ Edwards, T @@oth@@ Egberts, K @@oth@@ Eger, P @@oth@@ Ernenwein, J-P @@oth@@ Eschbach, S @@oth@@ Farnier, C @@oth@@ Fegan, S @@oth@@ Fernandes, M V @@oth@@ Fiasson, A @@oth@@ Fontaine, G @@oth@@ Förster, A @@oth@@ Funk, S @@oth@@ Füßling, M @@oth@@ Gabici, S @@oth@@ Gajdus, M @@oth@@ Gallant, Y A @@oth@@ Garrigoux, T @@oth@@ Giavitto, G @@oth@@ Giebels, B @@oth@@ Glicenstein, J F @@oth@@ Gottschall, D @@oth@@ Goyal, A @@oth@@ Grondin, M-H @@oth@@ Grudzińska, M @@oth@@ Hadasch, D @@oth@@ Hahn, J @@oth@@ Hawkes, J @@oth@@ Heinzelmann, G @@oth@@ Henri, G @@oth@@ Hermann, G @@oth@@ Hervet, O @@oth@@ Hillert, A @@oth@@ Hinton, J A @@oth@@ Hofmann, W @@oth@@ Hoischen, C @@oth@@ Holler, M @@oth@@ Horns, D @@oth@@ Ivascenko, A @@oth@@ Jacholkowska, A @@oth@@ Jamrozy, M @@oth@@ Janiak, M @@oth@@ Jankowsky, D @@oth@@ Jankowsky, F @@oth@@ Jingo, M @@oth@@ Jogler, T @@oth@@ Jouvin, L @@oth@@ ... @@oth@@ |
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Given its proximity, it is one of the most promising targets to look for DM. We report on a search for the annihilations of DM particles using γ-ray observations towards the inner 300 pc of the Milky Way, with the H.E.S.S. array of ground-based Cherenkov telescopes. The analysis is based on a 2D maximum likelihood method using Galactic Center (GC) data accumulated by H.E.S.S. over the last 10 years (2004-2014), and does not show any significant γ-ray signal above background. Assuming Einasto and Navarro-Frenk-White DM density profiles at the GC, we derive upper limits on the annihilation cross section ⟨σv⟩. These constraints are the strongest obtained so far in the TeV DM mass range and improve upon previous limits by a factor 5. For the Einasto profile, the constraints reach ⟨σv⟩ values of 6×10^{-26} cm^{3} s^{-1} in the W^{+}W^{-} channel for a DM particle mass of 1.5 TeV, and 2×10^{-26} cm^{3} s^{-1} in the τ^{+}τ^{-} channel for a 1 TeV mass. 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Abdallah, H |
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550 DNB UA 1000 AVZ rvk Search for Dark Matter Annihilations towards the Inner Galactic Halo from 10 Years of Observations with H.E.S.S High Energy Astrophysical Phenomena Astrophysics |
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Search for Dark Matter Annihilations towards the Inner Galactic Halo from 10 Years of Observations with H.E.S.S |
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Search for Dark Matter Annihilations towards the Inner Galactic Halo from 10 Years of Observations with H.E.S.S |
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Abdallah, H |
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Physical review letters |
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Abdallah, H |
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Abdallah, H |
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10.1103/PhysRevLett.117.111301 |
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550 |
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search for dark matter annihilations towards the inner galactic halo from 10 years of observations with h.e.s.s |
| title_auth |
Search for Dark Matter Annihilations towards the Inner Galactic Halo from 10 Years of Observations with H.E.S.S |
| abstract |
The inner region of the Milky Way halo harbors a large amount of dark matter (DM). Given its proximity, it is one of the most promising targets to look for DM. We report on a search for the annihilations of DM particles using γ-ray observations towards the inner 300 pc of the Milky Way, with the H.E.S.S. array of ground-based Cherenkov telescopes. The analysis is based on a 2D maximum likelihood method using Galactic Center (GC) data accumulated by H.E.S.S. over the last 10 years (2004-2014), and does not show any significant γ-ray signal above background. Assuming Einasto and Navarro-Frenk-White DM density profiles at the GC, we derive upper limits on the annihilation cross section ⟨σv⟩. These constraints are the strongest obtained so far in the TeV DM mass range and improve upon previous limits by a factor 5. For the Einasto profile, the constraints reach ⟨σv⟩ values of 6×10^{-26} cm^{3} s^{-1} in the W^{+}W^{-} channel for a DM particle mass of 1.5 TeV, and 2×10^{-26} cm^{3} s^{-1} in the τ^{+}τ^{-} channel for a 1 TeV mass. For the first time, ground-based γ-ray observations have reached sufficient sensitivity to probe ⟨σv⟩ values expected from the thermal relic density for TeV DM particles. |
| abstractGer |
The inner region of the Milky Way halo harbors a large amount of dark matter (DM). Given its proximity, it is one of the most promising targets to look for DM. We report on a search for the annihilations of DM particles using γ-ray observations towards the inner 300 pc of the Milky Way, with the H.E.S.S. array of ground-based Cherenkov telescopes. The analysis is based on a 2D maximum likelihood method using Galactic Center (GC) data accumulated by H.E.S.S. over the last 10 years (2004-2014), and does not show any significant γ-ray signal above background. Assuming Einasto and Navarro-Frenk-White DM density profiles at the GC, we derive upper limits on the annihilation cross section ⟨σv⟩. These constraints are the strongest obtained so far in the TeV DM mass range and improve upon previous limits by a factor 5. For the Einasto profile, the constraints reach ⟨σv⟩ values of 6×10^{-26} cm^{3} s^{-1} in the W^{+}W^{-} channel for a DM particle mass of 1.5 TeV, and 2×10^{-26} cm^{3} s^{-1} in the τ^{+}τ^{-} channel for a 1 TeV mass. For the first time, ground-based γ-ray observations have reached sufficient sensitivity to probe ⟨σv⟩ values expected from the thermal relic density for TeV DM particles. |
| abstract_unstemmed |
The inner region of the Milky Way halo harbors a large amount of dark matter (DM). Given its proximity, it is one of the most promising targets to look for DM. We report on a search for the annihilations of DM particles using γ-ray observations towards the inner 300 pc of the Milky Way, with the H.E.S.S. array of ground-based Cherenkov telescopes. The analysis is based on a 2D maximum likelihood method using Galactic Center (GC) data accumulated by H.E.S.S. over the last 10 years (2004-2014), and does not show any significant γ-ray signal above background. Assuming Einasto and Navarro-Frenk-White DM density profiles at the GC, we derive upper limits on the annihilation cross section ⟨σv⟩. These constraints are the strongest obtained so far in the TeV DM mass range and improve upon previous limits by a factor 5. For the Einasto profile, the constraints reach ⟨σv⟩ values of 6×10^{-26} cm^{3} s^{-1} in the W^{+}W^{-} channel for a DM particle mass of 1.5 TeV, and 2×10^{-26} cm^{3} s^{-1} in the τ^{+}τ^{-} channel for a 1 TeV mass. For the first time, ground-based γ-ray observations have reached sufficient sensitivity to probe ⟨σv⟩ values expected from the thermal relic density for TeV DM particles. |
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Search for Dark Matter Annihilations towards the Inner Galactic Halo from 10 Years of Observations with H.E.S.S |
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http://dx.doi.org/10.1103/PhysRevLett.117.111301 http://www.ncbi.nlm.nih.gov/pubmed/27661677 http://arxiv.org/abs/1607.08142 http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-57086 |
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Abramowski, A Aharonian, F Ait Benkhali, F Akhperjanian, A G Angüner, E Arrieta, M Aubert, P Backes, M Balzer, A Barnard, M Becherini, Y Becker Tjus, J Berge, D Bernhard, S Bernlöhr, K Birsin, E Blackwell, R Böttcher, M Boisson, C Bolmont, J Bordas, P Bregeon, J Brun, F Brun, P Bryan, M Bulik, T Capasso, M Carr, J Casanova, S Chakraborty, N Chalme-Calvet, R Chaves, R C G Chen, A Chevalier, J Chrétien, M Colafrancesco, S Cologna, G Condon, B Conrad, J Couturier, C Cui, Y Davids, I D Degrange, B Deil, C deWilt, P Djannati-Ataï, A Domainko, W Donath, A Drury, L O'C Dubus, G Dutson, K Dyks, J Dyrda, M Edwards, T Egberts, K Eger, P Ernenwein, J-P Eschbach, S Farnier, C Fegan, S Fernandes, M V Fiasson, A Fontaine, G Förster, A Funk, S Füßling, M Gabici, S Gajdus, M Gallant, Y A Garrigoux, T Giavitto, G Giebels, B Glicenstein, J F Gottschall, D Goyal, A Grondin, M-H Grudzińska, M Hadasch, D Hahn, J Hawkes, J Heinzelmann, G Henri, G Hermann, G Hervet, O Hillert, A Hinton, J A Hofmann, W Hoischen, C Holler, M Horns, D Ivascenko, A Jacholkowska, A Jamrozy, M Janiak, M Jankowsky, D Jankowsky, F Jingo, M Jogler, T Jouvin, L . |
| author2Str |
Abramowski, A Aharonian, F Ait Benkhali, F Akhperjanian, A G Angüner, E Arrieta, M Aubert, P Backes, M Balzer, A Barnard, M Becherini, Y Becker Tjus, J Berge, D Bernhard, S Bernlöhr, K Birsin, E Blackwell, R Böttcher, M Boisson, C Bolmont, J Bordas, P Bregeon, J Brun, F Brun, P Bryan, M Bulik, T Capasso, M Carr, J Casanova, S Chakraborty, N Chalme-Calvet, R Chaves, R C G Chen, A Chevalier, J Chrétien, M Colafrancesco, S Cologna, G Condon, B Conrad, J Couturier, C Cui, Y Davids, I D Degrange, B Deil, C deWilt, P Djannati-Ataï, A Domainko, W Donath, A Drury, L O'C Dubus, G Dutson, K Dyks, J Dyrda, M Edwards, T Egberts, K Eger, P Ernenwein, J-P Eschbach, S Farnier, C Fegan, S Fernandes, M V Fiasson, A Fontaine, G Förster, A Funk, S Füßling, M Gabici, S Gajdus, M Gallant, Y A Garrigoux, T Giavitto, G Giebels, B Glicenstein, J F Gottschall, D Goyal, A Grondin, M-H Grudzińska, M Hadasch, D Hahn, J Hawkes, J Heinzelmann, G Henri, G Hermann, G Hervet, O Hillert, A Hinton, J A Hofmann, W Hoischen, C Holler, M Horns, D Ivascenko, A Jacholkowska, A Jamrozy, M Janiak, M Jankowsky, D Jankowsky, F Jingo, M Jogler, T Jouvin, L . |
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