Life extinctions by cosmic ray jets

被引：51

作者：

Dar, A ^{[1
]}

Laor, A

Shaviv, NJ

机构：

[1] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel

[2] Technion Israel Inst Technol, Inst Space Res, IL-32000 Haifa, Israel

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 26期

关键词：

D O I：

10.1103/PhysRevLett.80.5813

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

High energy cosmic ray jets from nearby mergers or accretion induced collapse of neutron stars that hit the atmosphere can produce lethal fluxes of atmospheric muons at ground level, underground and underwater, destroy the ozone layer, and radioactivate the environment. They could have caused some of the massive life extinctions on planet Earth in the past 570 Myr. Biological mutations due to such ionizing radiations could have caused the fast appearance of new species after these mass extinctions. [S0031-9007(98)06474-6].

引用

页码：5813 / 5816

页数：4

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