Sökning: onr:"swepub:oai:DiVA.org:lnu-39563" > Search for dark mat...
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000 | 12103naa a2203121 4500 | |
001 | oai:DiVA.org:lnu-39563 | |
003 | SwePub | |
008 | 150129s2014 | |||||||||||000 ||eng| | |
009 | oai:DiVA.org:su-113535 | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-395632 URI |
024 | 7 | a https://doi.org/10.1103/PhysRevD.90.1120122 DOI |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1135352 URI |
040 | a (SwePub)lnud (SwePub)su | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Abramowski, A.u Univ Hamburg, Inst Expt Phys, D-22761 Hamburg, Germany,Natl Acad Sci Republ Armenia, Yerevan 0019, Armenia,Univ Amsterdam, Astron Inst Anton Pannekoek, GRAPPA, NL-1098 XH Amsterdam, Netherlands,Uniwersytet Jagiellonski, Astron Observ, PL-30244 Krakow, Poland4 aut |
245 | 1 0 | a Search for dark matter annihilation signatures in HESS observations of dwarf spheroidal galaxies |
264 | 1 | c 2014 |
338 | a print2 rdacarrier | |
500 | a AuthorCount:229; | |
520 | a Dwarf spheroidal galaxies of the Local Group are close satellites of the Milky Way characterized by a large mass-to-light ratio and are not expected to be the site of nonthermal high-energy gamma-ray emission or intense star formation. Therefore they are among the most promising candidates for indirect dark matter searches. During the last years the High Energy Stereoscopic System (H.E.S.S.) of imaging atmospheric Cherenkov telescopes observed five of these dwarf galaxies for more than 140 hours in total, searching for TeV gamma-ray emission from annihilation of dark matter particles. The new results of the deep exposure of the Sagittarius dwarf spheroidal galaxy, the first observations of the Coma Berenices and Fornax dwarves and the reanalysis of two more dwarf spheroidal galaxies already published by the H.E.S.S. Collaboration, Carina and Sculptor, are presented. In the absence of a significant signal new constraints on the annihilation cross section applicable to weakly interacting massive particles (WIMPs) are derived by combining the observations of the five dwarf galaxies. The combined exclusion limit depends on the WIMP mass and the best constraint is reached at 1-2 TeV masses with a cross-section upper bound of similar to 3.9 x 10(-24) cm(3) s(-1) at a 95% confidence level. | |
650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
650 | 7 | a NATURVETENSKAPx Fysik0 (SwePub)1032 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciences0 (SwePub)1032 hsv//eng |
653 | a Astropartikelfysik | |
653 | a Astroparticle Physics | |
700 | 1 | a Aharonian, F.u Max Planck Inst Kernphys, D-69029 Heidelberg, Germany4 aut |
700 | 1 | a Benkhali, F. Aitu Max Planck Inst Kernphys, D-69029 Heidelberg, Germany4 aut |
700 | 1 | a Akhperjanian, A. G.u Natl Acad Sci Republ Armenia, Yerevan 0019, Armenia4 aut |
700 | 1 | a Anguener, E.u Humboldt Univ, Inst Phys, D-12489 Berlin, Germany4 aut |
700 | 1 | a Backes, M.u Univ Namibia, Dept Phys, Windhoek, Namibia4 aut |
700 | 1 | a Balenderan, S.u Univ Durham, Dept Phys, Durham DH1 3LE, England4 aut |
700 | 1 | a Balzer, A.u Univ Amsterdam, Astron Inst Anton Pannekoek, GRAPPA, NL-1098 XH Amsterdam, Netherlands4 aut |
700 | 1 | a Barnacka, A.u Uniwersytet Jagiellonski, Astron Observ, PL-30244 Krakow, Poland4 aut |
700 | 1 | a Becherini, Yvonneu Linnéuniversitetet,Institutionen för fysik och elektroteknik (IFE)4 aut0 (Swepub:lnu)yvbeaa |
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710 | 2 | a Univ Hamburg, Inst Expt Phys, D-22761 Hamburg, Germanyb Natl Acad Sci Republ Armenia, Yerevan 0019, Armenia4 org |
773 | 0 | t Physical Review Dg 90:11, s. 112012-q 90:11<112012-x 1550-7998x 1550-2368 |
856 | 4 | u https://arxiv.org/abs/1410.2589y arXiv:1410.2589 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-39563 |
856 | 4 8 | u https://doi.org/10.1103/PhysRevD.90.112012 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-113535 |
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