Constraining MeV-scale axionlike particles with Fermi-LAT observations of SN 2023ixf

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Fältnamn	Indikatorer	Metadata
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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