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On the correlation between the optical Čerenkov pulses and the radiopulses from extensive air showers

О корреляции между оптическими черенковскими импульсами и радиоимпульсами от широких атмосферных ливней

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Il Nuovo Cimento B (1971-1996)

Summary

Associated production of optical Čerenkov pulses and radiopulses (at 30 and 44 MHz) from extensive air showers (EAS) has been studied by using dipole antenna systems and an optical Čerenkov detector. Correlation between the two types of pulses has been investigated in details. The statistical analyses indicate negative correlation between the two types of pulses. It is surmised that the true mechanism responsible for the for the production of radiopulses is predominantly the charge acceleration mechanism, although there is some small contribution from the low frequency and from Čerenkov radiation.

Riassunto

Si è studiata la produzione associata di impulsi ottici di Čerenkov e di radioimpulsi (a 30 e 44 MHz) da ampi sciami di aria (EAS) per mezzo di sistemi di antenne dipolari e di un rivelatore ottico di Čerenkov. Si è analizzata dettagliatamente la correlazione tra i due tipi di impulso. L'analisi statistica indica una correlazione negativa tra i due tipi di impulsi. Si suppone che il vero meccanismo responsabile per la produzione di radioimpulsi sia prevalentemente il meccanismo di accelerazione di carica, sebbene ci sia qualche piccolo contributo da parte della bassa frequenza e della radiazione di Čerenkov.

Резюме

Используя систему дипольных антенн и оптический черенковский детектор, рассматривается ассоциированное рождение оптических черенковских импульсов и радиоимпульсов (при 30 и 44 Мгц) из широких атмосферных ливней. Подробно исследуется корреляция между двумя типами импульсов. Статистический анализ указывает на отрицательную корреляцию между двумя типами импульсов. Предполагается, что истинный механизм, ответственный за рождение радиоимпульсов, преимущественно представляет механизм ускорения заряда, хотя существует небольшой вклад от низкочастотного и черенковского излучения.

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Goswami, D.C., Pathak, K.M. On the correlation between the optical Čerenkov pulses and the radiopulses from extensive air showers. Nuovo Cim B 39, 65–75 (1977). https://doi.org/10.1007/BF02738176

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  • DOI: https://doi.org/10.1007/BF02738176

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