| Issue |
EPJ Web Conf.
Volume 145, 2017
ISVHECRI 2016 – XIX International Symposium on Very High Energy Cosmic Ray Interactions
|
|
|---|---|---|
| Article Number | 15002 | |
| Number of page(s) | 7 | |
| Section | Hybrid Experiments and Exotics I | |
| DOI | https://doi.org/10.1051/epjconf/201714515002 | |
| Published online | 26 June 2017 | |
https://doi.org/10.1051/epjconf/201714515002
A summary of recent results from the GRAPES-3 experiment
1 Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai 400005, India
2 The GRAPES-3 Experiment, Cosmic Ray Laboratory, Raj Bhavan, Ooty 643001, India
( On behalf of the GRAPES-3 Collaboration )
a e-mail: gupta.crl@gmail.com
Published online: 26 June 2017
The GRAPES-3 experiment is a combination of a high density extensive air shower (EAS) array of nearly 400 plastic scintillator detectors, and a large 560 m2 area tracking muon telescope with an energy threshold Eμ >1 GeV. GRAPES-3 has been operating continuously in Ooty, India since 2000. By accurately correcting for the effects of atmospheric pressure and temperature, the muon telescope provides a high precision directional survey of the galactic cosmic ray (GCR) intensity. This telescope has been used to observe the acceleration of muons during thunderstorm events. The recent discovery of a transient weakening of the Earth's magnetic shield through the detection of a GCR burst was the highlight of the GRAPES-3 results. We have an ongoing major expansion activity to further enhance the capability of the GRAPES-3 muon telescope by doubling its area.
© The Authors, published by EDP Sciences 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/).
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