Sökning: onr:"swepub:oai:DiVA.org:su-222147" > Constraining MeV-sc...
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000 | 02430naa a2200325 4500 | |
001 | oai:DiVA.org:su-222147 | |
003 | SwePub | |
008 | 231010s2024 | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-2221472 URI |
024 | 7 | a https://doi.org/10.1103/PhysRevD.109.0230182 DOI |
040 | a (SwePub)su | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Ravensburg, Eike,d 1995-u Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)muei7847 |
245 | 1 0 | a Constraining MeV-scale axionlike particles with Fermi-LAT observations of SN 2023ixf |
264 | 1 | c 2024 |
338 | a print2 rdacarrier | |
520 | a The Fermi-LAT observations of SN 2023ixf, a type II supernova in the nearby Pinwheel Galaxy, Messier 101 (M101), presents us with an excellent opportunity to constrain MeV-scale axionlike particles (ALPs). By examining the photon decay signature from heavy ALPs that could be produced in the explosion, the existing constraints on the ALP-photon coupling can be improved, under optimistic assumptions, by up to a factor of ∼2 for masses ma≲3 MeV. Under very conservative assumptions, we find a bound that is slightly weaker than the existing ones for ma≲0.5 MeV. The exact reach of these searches depends mostly on properties of the SN progenitor. This study demonstrates the relevance of core-collapse supernovae, also beyond the Magellanic Clouds, as probes of fundamental physics. | |
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 |
700 | 1 | a Carenza, Pierluca,d 1995-u Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)pica3601 |
700 | 1 | a Eckner, Christopher4 aut |
700 | 1 | a Goobar, Ariel,d 1962-u Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)ariel |
710 | 2 | a Stockholms universitetb Fysikum4 org |
773 | 0 | t Physical Review Dg 109:2q 109:2x 2470-0010x 2470-0029 |
856 | 4 | u https://doi.org/10.1103/PhysRevD.109.023018y Fulltext |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-222147 |
856 | 4 8 | u https://doi.org/10.1103/PhysRevD.109.023018 |
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