Summary
High-energy (E ν>(10÷30) GeV) neutrino sources which can be detected by underground detectors with areaS∼100 m2 are discussed in this paper. It is shown that the horizon of these detectors is limited to our Galaxy. The main process to detect neutrino sources,i.e. production of high-energy muons in νμ N → μX scattering is studied in detail. Single sources (young supernova shells and supergiants fed by an active pulsar) and binary sources (young pulsar and giant, supernova explosion in a binary system, etc. …) are found to be able to produce a detectable neutrino flux. Special attention is given to Cyg X-3. Finally, it is shown that the possibility to detect neutrinos from solar flares on the opposite side of the Sun can be ruled out on the grounds of γ-rays observations.
Riassunto
Si discutono in questo lavoro le sorgenti di neutrini di alta energia (E ν>(10÷30) GeV) che possono essere rivelate con rivelatori sotterranei di areaS∼100 m2. Si mostra come l'orizzonte di questi rivelatori sia limitato alla nostra Galassia. Il processo principale di rivelazione di sorgenti cosmiche di neutrini, cioè la produzione di muoni di alta energia attraverso lo scattering νμ N → μX, è discusso in dettaglio. Si ottiene che sorgenti singole (gusci di suprenovae giovani e supergiganti con una pulsar attiva al loro interno) e sorgenti binarie (pulsar giovane e stella gigante, esplosione supernova in un sistema binario, ecc.…) sono in grado di produrre un flusso di neutrini rivelabili a Terra con rivelatori di piccole dimensioni. Si discute in particolare il sistema Cyg X-3. Infine, si dimostra che la possibilità di rivelare neutrini da flares solari sulla superficie del Sole opposta alla Terra deve essere scartata sulla base delle osservazioni di raggi γ.
Резюме
В этой статье обсуждаются источники нейтрино высоких энергий (E ν>(10÷30) ГэВ), которые могут быть зарегистрированы с помощью подземных детекторов с площадьюS∼100 м2. Показывается, что горизонт этих детекторов ограничен нашей Галактикой. Подробно исследуется основной процесс детектирования нейтринных источников, т.е. образование высокоэнергетичных мюонов при рассеянии νμ N → μX. Получено, что изолированные источники (оболочки молодых сверхновых и супергиганты с активным пульсаром внутри) и бинарные источники (молодой пульсар и гигант, взрыв сверхновой в бинарной системе и т.д.) могут генерировать детектируемые потоки нейтрино. Особое внимание уделяется источнику Лебедь X-3. В заключение, показывается, что возможность детектирования нейтрино от солнечных вспышек на противоположной Солнца должна быть исключена на основе наблюдений γ-лучей.
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An erratum to this article is available at http://dx.doi.org/10.1007/BF02582683.
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Berezinsky, V.S., Castagnoli, C. & Galeotti, P. High-energy neutrino astronomy with «small» underground detectors. Il Nuovo Cimento C 8, 185–211 (1985). https://doi.org/10.1007/BF02574707
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DOI: https://doi.org/10.1007/BF02574707