Muon Astronomy with LVD Detector
LVD Collaboration
TL;DR
This paper analyzes muon arrival directions detected by the LVD detector over several years, observing the moon shadow and setting upper limits on muon fluxes from astrophysical sources at TeV energies.
Contribution
It presents the first analysis of muon arrival directions with the LVD detector, including moon shadow detection and flux limits for high-energy astrophysical sources.
Findings
Moon shadow observed in muon data.
Upper limits set on muon fluxes from astrophysical sources.
Muons with energies up to 8.4 TeV analyzed.
Abstract
We analysed the arrival directions of single muons detected by the first LVD tower from November, 1994 till January, 1998. The moon shadowing effect has been observed. To search for point sources of high energy photons we have analysed muons crossing the rock thickness greater than 3, 5 and 7 km w.e., which corresponds to the mean muon energies 1.6, 3.9 and 8.4 TeV at the surface, respectively. Upper limits on steady muon fluxes for selected astrophysical sources for different muon energies are presented.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Particle Detector Development and Performance · Particle physics theoretical and experimental studies