PoS - Proceedings of Science
Volume 357 - The New Era of Multi-Messenger Astrophysics (Asterics2019) - Multi-Messenger observations of Neutrinos and search for counterparts
Correlation of IceCube neutrinos with 2MRS
S. Sclafani* on behalf of the IceCube Collaboration
*corresponding author
Full text: pdf
Pre-published on: August 08, 2019
Published on: January 28, 2020
Abstract
The distribution of galaxies within the local (z < 0.1) universe is characterized by large scale anisotropic features. Observatories searching for the production of astrophysical neutrinos can take advantage of these to establish possible directional correlation between astrophysical neutrinos and galaxy distribution. Here, we present the results of an analysis of the correlation between IceCube neutrinos and galaxy density, as observed by the 2MASS Redshift Survey (2MRS), testing the hypothesis that neutrinos are produced in interactions between diffuse Ultra-High Energy Cosmic Rays (UHECR) and the matter distribution within galaxies. No such correlation was found and limits are placed on neutrino production from diffuse UHECR interacting with local matter.
DOI: https://doi.org/10.22323/1.357.0073
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