4.2 Article

CAPTURE OF DARK MATTER BY THE SOLAR SYSTEM

期刊

INTERNATIONAL JOURNAL OF MODERN PHYSICS D
卷 18, 期 12, 页码 1903-1912

出版社

WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218271809015758

关键词

Dark matter; solar system; chaotic dynamics; Halley's comet; Kepler map

资金

  1. Russian Foundation for Basic Research [08-02-00960-a]

向作者/读者索取更多资源

We study the capture of galactic dark matter by the solar system. The effect is due to the gravitational three-body interaction between the sun, one of the planets, and a dark matter particle. The analytical estimate for the capture cross-section is derived and the upper and lower bounds for the total mass of the captured dark matter particles are found. The estimates for their density are less reliable. The most optimistic of them gives an enhancement of dark matter density by about three orders of magnitudes compared to its value in our galaxy. However, even this optimistic value remains below the best present observational upper limits by about two orders of magnitude.

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