{
  "id": "2308.00024",
  "version": "v1",
  "published": "2023-07-31T18:00:01.000Z",
  "updated": "2023-07-31T18:00:01.000Z",
  "title": "Searching for High-Energy Neutrino Emission from Seyfert Galaxies in the Northern Sky with IceCube",
  "authors": [
    "Theo Glauch",
    "Ali Kheirandish",
    "Tomas Kontrimas",
    "Qinrui Liu",
    "Hans Niederhausen"
  ],
  "comment": "11 pages, 3 figures. Presented at the 38th International Cosmic Ray Conference (ICRC2023). See arXiv:2307.13047 for all IceCube contributions",
  "categories": [
    "astro-ph.HE",
    "hep-ph"
  ],
  "abstract": "The recent detection of TeV neutrino emission from the nearby active galaxy NGC 1068 by IceCube suggests that AGN could make a sizable contribution to the total high-energy cosmic neutrino flux. The absence of TeV gamma rays from NGC 1068, indicates neutrino production originates in the innermost region of the AGN. Disk-corona models predict a correlation between neutrinos and keV X-rays in Seyfert galaxies, a subclass of AGN to which NGC 1068 belongs. Using 10 years of IceCube through-going track events, we report results from searches for neutrino signals from 27 additional sources in the Northern Sky by studying both the generic single power-law spectral assumption and spectra predicted by the disk-corona model. Our results show excesses of neutrinos associated with two sources, NGC 4151 and CGCG 420-015, at 2.7$\\sigma$ significance, and at the same time constrain the collective neutrino emission from our source list.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2023-07-31T18:00:01.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "high-energy neutrino emission",
      "seyfert galaxies",
      "northern sky",
      "generic single power-law spectral assumption",
      "total high-energy cosmic neutrino flux"
    ],
    "tags": [
      "conference paper"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 11,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}