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Observational studies of photonuclea...

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Observational studies of photonuclear reactions triggered by lightning discharges

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Observational studies of photonuclear reactions triggered by lightning dischargesby Yuuki Wada.
作者:	Wada, Yuuki.
出版者:	Singapore :Springer Singapore :2021.
面頁冊數:	xxi, 176 p. :ill., digital ;24 cm.
Contained By:	Springer Nature eBook
標題:	Photonuclear reactions.
電子資源:	https://doi.org/10.1007/978-981-16-0459-1
ISBN:	9789811604591$q(electronic bk.)

Observational studies of photonuclear reactions triggered by lightning discharges
Wada, Yuuki.

Observational studies of photonuclear reactions triggered by lightning discharges[electronic resource] /by Yuuki Wada. - Singapore :Springer Singapore :2021. - xxi, 176 p. :ill., digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

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.

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.

ISBN: 9789811604591$q(electronic bk.)

Standard No.: 10.1007/978-981-16-0459-1doiSubjects--Topical Terms:

262937
Photonuclear reactions.

LC Class. No.: QC794.8.P4 / W333 2021

Dewey Class. No.: 539.756

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520 $a 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.
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