The dramatic ground-level enhancement of solar cosmic rays on February 23, 1956, as inferred from the neutron monitor data

被引：0

作者：

Belov, AV ^{[1
]}

Eroshenko, EA ^{[1
]}

Yanke, VG ^{[1
]}

机构：

[1] Russian Acad Sci, Pushkov Inst Terrestrial Magnetism Ionosphere & R, Troitsk 142190, Moscow Oblast, Russia

来源：

GEOMAGNETISM AND AERONOMY | 2005年 / 45卷 / 03期

关键词：

D O I：

暂无

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The enhancement of solar cosmic rays (SCRs) in 1956 was the largest proton event ever observed on the Earth; however, information about this event is insufficient. The paper provides a detailed analysis of the situation in the Sun and near-Earth space before, during, and after the event. The data from 14 neutron monitors operated in 1956 have been used to simulate the behavior of SCRs on February 23. Variations in the characteristics of the cosmic ray energy spectrum and anisotropy, as well as the differential and integral proton fluxes, have been determined and analyzed. It is shown that the first particles arrived at the Earth in the form of an intense, but very narrow, beam.

引用

页码：337 / 349

页数：13

共 43 条

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Belov, A
Eroshenko, E
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ANNALES GEOPHYSICAE, 2005, 23 (06) : 2281 - 2291
[2] COSMIC RAYS AND THE SOLAR FLARE OF 23 FEBRUARY 1956
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ELLIOT, H
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[3] Characteristics of relativistic solar cosmic rays in large ground-level events in 1956–2005
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[4] A study of the ground level enhancement of 23 February 1956
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[6] PECULIARITIES OF THE GROUND-LEVEL SOLAR COSMIC-RAY INTENSITY INCREASE ON SEPTEMBER 29, 1989 FROM NEUTRON MONITOR DATA
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[7] SOLAR MODULATION OF PRIMARY COSMIC RAYS AS DEDUCED FROM NEUTRON MONITOR DATA
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[9] Ground-level enhancement of solar cosmic rays on October 28, 2003: A mechanism of the generation of particles in the sun
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[10] Extracting the ground level enhancement event of February 1956 from legacy cosmic ray recordings
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