Parameters of Axion-Like Particles Required to Explain High-Energy Photons from GRB 221009A
Recent astrophysical transient Swift J1913.1+1946 is possibly associated with the gamma-ray burst GRB 221009A at the redshift . The transient was accompanied by very high-energy gamma rays up to 18 TeV observed by LHAASO and a photon-like air shower of 251 TeV detected by Carpet-2. These energetic g...
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| creator | Troitsky, S. V. |
| description | Recent astrophysical transient Swift J1913.1+1946 is possibly associated with the gamma-ray burst GRB 221009A at the redshift
. The transient was accompanied by very high-energy gamma rays up to 18 TeV observed by LHAASO and a photon-like air shower of 251 TeV detected by Carpet-2. These energetic gamma rays cannot reach us from the claimed distance of the source because of the pair production on cosmic background radiation. If the identification and redshift measurements are correct, one would require new physics to explain the data. One possibility invokes axion-like particles (ALPs) which mix with photons but do not attenuate on the background radiation. Here we explore the ALP parameter space and find that the ALP–photon mixing in the Milky Way, and not in the intergalactic space, may help to explain the observations. However, given the low Galactic latitude of the event, misidentification with a Galactic transient remains an undiscarded explanation. |
| doi_str_mv | 10.1134/S0021364022602408 |
| format | Article |
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. The transient was accompanied by very high-energy gamma rays up to 18 TeV observed by LHAASO and a photon-like air shower of 251 TeV detected by Carpet-2. These energetic gamma rays cannot reach us from the claimed distance of the source because of the pair production on cosmic background radiation. If the identification and redshift measurements are correct, one would require new physics to explain the data. One possibility invokes axion-like particles (ALPs) which mix with photons but do not attenuate on the background radiation. Here we explore the ALP parameter space and find that the ALP–photon mixing in the Milky Way, and not in the intergalactic space, may help to explain the observations. However, given the low Galactic latitude of the event, misidentification with a Galactic transient remains an undiscarded explanation.</description><identifier>ISSN: 0021-3640</identifier><identifier>EISSN: 1090-6487</identifier><identifier>DOI: 10.1134/S0021364022602408</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Astrophysics and Cosmology ; Atomic ; Background radiation ; Biological and Medical Physics ; Biophysics ; Cosmic ray showers ; Gamma ray bursts ; High energy astronomy ; Molecular ; Optical and Plasma Physics ; Pair production ; Parameters ; Particle and Nuclear Physics ; Photons ; Physics ; Physics and Astronomy ; Quantum Information Technology ; Red shift ; Solid State Physics ; Spintronics ; Transients (astronomy)</subject><ispartof>JETP letters, 2022-12, Vol.116 (11), p.767-770</ispartof><rights>The Author(s) 2022. ISSN 0021-3640, JETP Letters, 2022, Vol. 116, No. 11, pp. 767–770. © The Author(s), 2022. This article is an open access publication. ISSN 0021-3640, JETP Letters, 2022. © The Author(s), 2022. This article is an open access publication.</rights><rights>The Author(s) 2022. ISSN 0021-3640, JETP Letters, 2022, Vol. 116, No. 11, pp. 767–770. © The Author(s), 2022. This article is an open access publication. ISSN 0021-3640, JETP Letters, 2022. © The Author(s), 2022. This article is an open access publication. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3408-22ec00c779e8ac1f63df3963525e3cafdb66253009757068a8ff1886cd92bf223</citedby><cites>FETCH-LOGICAL-c3408-22ec00c779e8ac1f63df3963525e3cafdb66253009757068a8ff1886cd92bf223</cites><orcidid>0000-0001-6917-6600</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S0021364022602408$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S0021364022602408$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Troitsky, S. V.</creatorcontrib><title>Parameters of Axion-Like Particles Required to Explain High-Energy Photons from GRB 221009A</title><title>JETP letters</title><addtitle>Jetp Lett</addtitle><description>Recent astrophysical transient Swift J1913.1+1946 is possibly associated with the gamma-ray burst GRB 221009A at the redshift
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. The transient was accompanied by very high-energy gamma rays up to 18 TeV observed by LHAASO and a photon-like air shower of 251 TeV detected by Carpet-2. These energetic gamma rays cannot reach us from the claimed distance of the source because of the pair production on cosmic background radiation. If the identification and redshift measurements are correct, one would require new physics to explain the data. One possibility invokes axion-like particles (ALPs) which mix with photons but do not attenuate on the background radiation. Here we explore the ALP parameter space and find that the ALP–photon mixing in the Milky Way, and not in the intergalactic space, may help to explain the observations. However, given the low Galactic latitude of the event, misidentification with a Galactic transient remains an undiscarded explanation.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S0021364022602408</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0001-6917-6600</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Astrophysics and Cosmology Atomic Background radiation Biological and Medical Physics Biophysics Cosmic ray showers Gamma ray bursts High energy astronomy Molecular Optical and Plasma Physics Pair production Parameters Particle and Nuclear Physics Photons Physics Physics and Astronomy Quantum Information Technology Red shift Solid State Physics Spintronics Transients (astronomy) |
| title | Parameters of Axion-Like Particles Required to Explain High-Energy Photons from GRB 221009A |
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