The status of the study of solar CNO neutrinos in the Borexino experimentстатья
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Дата последнего поиска статьи во внешних источниках: 2 октября 2018 г.
Автор:
Lukyanchenko G.A.
Журнал:
Physics of Atomic Nuclei
Том:
78
Номер:
14
Год издания:
2015
Издательство:
Pleiades Publishing, Ltd
Местоположение издательства:
Road Town, United Kingdom
Первая страница:
1621
Последняя страница:
1623
DOI:
10.1134/S1063778815130207
Аннотация:
Although less than 1% of solar energy is generated in the CNO cycle, it plays a critical role in astrophysics, since this cycle is the primary source of energy in certain more massive stars and at later stages of evolution of solar-type stars. Electron neutrinos are produced in the CNO cycle reactions. These neutrinos may be detected by terrestrial neutrino detectors. Various solar models with different abundances of elements heavier than helium predict different CNO neutrino fluxes. A direct measurement of the CNO neutrino flux could help distinguish between these models and solve several other astrophysical problems. No CNO neutrinos have been detected directly thus far, and the best upper limit on their flux was set in the Borexino experiment. The work on reducing the background in the region of energies of CNO neutrinos (up to 1.74 MeV) and developing novel data analysis methods is presently under way. These efforts may help detect the CNO neutrino flux in the Borexino experiment at the level predicted by solar models. © 2015, Pleiades Publishing, Ltd.
Добавил в систему:
Лукьянченко Георгий Александрович