Observational studies of photonuclear reactions triggered by lightning discharges / Yuuki Wada.
Wada, Yuuki, author.
2021
QC794.8.P4
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Title Observational studies of photonuclear reactions triggered by lightning discharges / Yuuki Wada.
Author Wada, Yuuki, author.
ISBN 9789811604591 (electronic bk.)
9811604592 (electronic bk.)
9811604584
9789811604584
DOI https://doi.org/10.1007/978-981-16-0459-1
Published Singapore : Springer, [2021]
Language English
Description 1 online resource (190 pages)
Item Number 10.1007/978-981-16-0459-1 doi
Call Number QC794.8.P4
Dewey Decimal Classification 539.7/56
Summary This book presents the first simultaneous detection of neutrons and positrons after a terrestrial gamma-ray flash (TGF), a highest-energy transient phenomenon on the earth, triggered by a lightning discharge, based on innovative ground-based observations made in the Hokuriku area of Japan. TGFs, known to be produced by lightning discharges since the 1990s, has been theoretically predicted to react with atmospheric nuclei via photonuclear reactions because they comprise high-energy photons of more than 10 MeV, but such photonuclear reactions by lightning discharges, which produce neutrons and unstable isotopes emitting positrons, were not observationally confirmed. The reactions and propagations of their products in the atmosphere are modeled with Monte Carlo simulations to quantitatively evaluate observations of TGFs, neutrons, and positrons at ground level. The successful comparison between observation and simulation is presented, and demonstrates that lightning discharges to trigger photonuclear reactions and to even produce isotopes in the atmosphere.
Note "Doctoral thesis accepted by The University of Tokyo, Tokyo, Japan."
Bibliography, etc. Note Includes bibliographical references.
Access Note Access limited to authorized users.
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PDF
Source of Description Description based on print version record.
Series Springer theses.
Available in Other Form Observational Studies of Photonuclear Reactions Triggered by Lightning Discharges.
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Introduction
Review
Instrumentation and Observation
Instrumentation and Observation
Positrons from Proton-rich Radionuclides
Positrons from Proton-rich Radionuclides
Positrons from Proton-rich Radionuclides
Discussions
Conclusion.

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