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Searches for Neutri...
Searches for Neutrinos from Large High Altitude Air Shower Observatory Ultra-high-energy gamma-Ray Sources Using the IceCube Neutrino Observatory
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- Abbasi, R. (author)
- Loyola Univ Chicago, Dept Phys, Chicago, IL 60660 USA
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- Beise, Jakob (author)
- Uppsala universitet,Högenergifysik
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- Botner, Olga (author)
- Uppsala universitet,Högenergifysik
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- Glaser, Christian (author)
- Uppsala universitet,Högenergifysik
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- Hallgren, Allan, 1951- (author)
- Uppsala universitet,Högenergifysik
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- O'Sullivan, Erin (author)
- Uppsala universitet,Högenergifysik
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- Pérez de los Heros, Carlos (author)
- Uppsala universitet,Högenergifysik
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- Sharma, Ankur (author)
- Uppsala universitet,Högenergifysik
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- Valtonen-Mattila, Nora (author)
- Uppsala universitet,Högenergifysik
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- Zhelnin, P. (author)
- Harvard Univ, Dept Phys, Cambridge, MA 02138 USA;Harvard Univ, Lab Particle Phys & Cosmol, Cambridge, MA 02138 USA
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(creator_code:org_t)
- 2023-03-01
- 2023
- English.
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In: Astrophysical Journal Letters. - : Institute of Physics (IOP). - 2041-8205 .- 2041-8213. ; 945:1
- Related links:
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https://doi.org/10.3...
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https://uu.diva-port... (primary) (Raw object)
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Abstract
Subject headings
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- Galactic PeV cosmic-ray accelerators (PeVatrons) are Galactic sources theorized to accelerate cosmic rays up to PeV in energy. The accelerated cosmic rays are expected to interact hadronically with nearby ambient gas or the interstellar medium, resulting in gamma-rays and neutrinos. Recently, the Large High Altitude Air Shower Observatory (LHAASO) identified 12 gamma-ray sources with emissions above 100 TeV, making them candidates for PeVatrons. While at these high energies the Klein-Nishina effect exponentially suppresses leptonic emission from Galactic sources, evidence for neutrino emission would unequivocally confirm hadronic acceleration. Here, we present the results of a search for neutrinos from these gamma-ray sources and stacking searches testing for excess neutrino emission from all 12 sources as well as their subcatalogs of supernova remnants and pulsar wind nebulae with 11 yr of track events from the IceCube Neutrino Observatory. No significant emissions were found. Based on the resulting limits, we place constraints on the fraction of gamma-ray flux originating from the hadronic processes in the Crab Nebula and LHAASO J2226+6057.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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