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We present the first reasonably well systematically controlled results on cosmic ray (CR) composition obtained with the reflected Cherenkov light method. The fraction of CR light component above 30 PeV was reconstructed using the data of the SPHERE experiment which observes Vavilov-Cherenkov radiation of extensive air showers (EAS), reflected from a snow surface of Lake Baikal. We discuss the main sources of systematic uncertainty of the CR light component fraction, a possibility to enhance sensitivity to the primary nuclei mass number by means of multidimensional methods, as well as the ways to lower the energy threshold of CR composition study.
№ | Имя | Описание | Имя файла | Размер | Добавлен |
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1. | Постер на ECRS 2014 | ECRS2014_poster.pdf | 11,4 МБ | 29 октября 2014 [dmchernov] |