Effects of lightning strokes on underground gravitational waves observatories

Abstract

For ground-based gravitational wave (GW) detectors, lightning strokes in the atmosphere are sources of environmental noise. Some GW detectors are built or planned in underground facilities, and knowledge of how lightning strokes affect them is of interest. In this paper, the lightning detection system in KAGRA is introduced, and the properties of the magnetic field measured inside and outside the KAGRA tunnel are shown. One lightning-induced event in the GW channel of the KAGRA main interferometer is also shown. Finally, possible applications of lightning events for the GW experiments are discussed.

References in corpus (3)

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• Distinguishing a stochastic gravitational-wave signal from correlated noise with joint parameter estimation: Fisher analysis for ground-based detectors
• Automated Evaluation of Environmental Coupling for Advanced LIGO Gravitational Wave Detections
• Identifying multichannel coherent couplings and causal relationships in gravitational wave detectors