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Poster communications

Continuous measurements of upper atmospheric lightning discharges by EUSO

Abstract : In this study we present possibility of continuous measurements of lightning-associated transient luminous events (TLEs) from the international space station using the Extreme Universe Space Observatory (EUSO) telescope. From global lightning data we estimated possible detection rates of lightning and TLEs. We also estimated photon numbers and optical spectra of TLEs in the near-ultraviolet region (300–400 nm) where the fluorescence emission caused by CRs exists. These results imply that EUSO has enough capabilities to monitor not only UHECRs but also global lightning and TLEs. We are developing a new-type of high-voltage divider for multi-anode photomultiplier tubes (MAPMTs) which can automatically change the gain level rapidly (< 350 microseconds) and which enable us to carry out both UHECR and TLE observations. An electronic design and performance of the divider circuit will be presented.
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Submitted on : Tuesday, November 21, 2006 - 10:32:07 AM
Last modification on : Monday, July 20, 2020 - 9:18:22 AM
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  • HAL Id : in2p3-00115327, version 1




M. Sato, Y. Takizawa, Y. Kawasaki, M. Bertaina, T. Ebisuzaki, et al.. Continuous measurements of upper atmospheric lightning discharges by EUSO. 29th International Cosmic Ray Conference, ICRC 2005, Aug 2005, Pune, India. pp.201-204, 2005. ⟨in2p3-00115327⟩