Isotope production in thunderstorms

被引：6
|
作者：
Ortega, Pablo G. [1 ,2 ]
机构：
[1] Univ Salamanca, Dept Fis Fundamental, E-37008 Salamanca, Spain
[2] Univ Salamanca, Inst Univ Fis Fundamental & Matemat IUFFyM, E-37008 Salamanca, Spain
来源：
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS | 2020年 / 208卷
基金：
欧盟地平线“2020”;
关键词：
Thunderstorms; Lightning; Atmospheric electricity; Terrestrial gamma-ray flash; Isotopes; GAMMA-RAY FLASHES; RUNAWAY ELECTRONS; HIGH-ENERGY; GENERATION; AVALANCHE; BREAKDOWN; MECHANISM; EMISSION; BURSTS; LEVEL;
D O I：
10.1016/j.jastp.2020.105349
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Thunderstorms and lightnings are natural particle accelerator systems. Terrestrial gamma-ray flashes, caused by relativistic runaway electron avalanches, produce bursts of X and gamma rays, energetic enough to produce photonuclear reactions within the atmosphere. Such reactions cause the generation of new isotopes, which modify the air composition locally and produce new ways of detecting and characterizing this high-energy phenomena. In this work we explore, using the general purpose Monte Carlo transport code FLUKA, the production of secondaries after a Terrestrial gamma-ray flash and analyze the generation of new isotopes in detail. Their abundance, time and energy profiles are studied, which can be useful for establishing new measuring strategies.
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页数：9
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