DIRECT EVIDENCE OF THE INTERPLANETARY MAGNETIC-FIELD EFFECT ON THE COSMIC-RAY SHADOW BY THE SUN

被引：20

作者：

AMENOMORI, M

CAO, Z

DING, LK

FENG, ZY

HIBINO, K

HOTTA, N

HUANG, Q

HUO, AX

JIA, HG

JIANG, GZ

JIAO, SQ

KAJINO, F

KASAHARA, K

LABACIREN

MEI, DM

MENG, L

MENG, XR

MIMACIREN

MIZUTANI, K

MU, J

NANJO, H

NISHIZAWA, M

NUSANG

OGURO, A

OHNISHI, M

OHTA, I

OUCHI, T

REN, JR

SAITO, T

SAKATA, M

SHI, ZZ

SHIBATA, M

SHIRAI, T

SUGIMOTO, H

SUN, XX

TAIRA, K

TAN, YH

TATEYAMA, N

TORII, S

WANG, H

WEN, CZ

YAMAMOTO, Y

YAO, XY

YU, GC

YUAN, P

YUDA, T

ZENG, JG

ZHANG, CS

ZHANG, HM

ZHANG, L

机构：

[1] ACAD SINICA,INST HIGH ENERGY PHYS,BEIJING 100039,PEOPLES R CHINA

[2] SW JIAOTONG UNIV,DEPT PHYS,CHENGDU 610031,PEOPLES R CHINA

[3] KANAGAWA UNIV,FAC ENGN,YOKOHAMA 221,JAPAN

[4] UTSUNOMIYA UNIV,FAC EDUC,UTSUNOMIYA 321,JAPAN

[5] KONAN UNIV,DEPT PHYS,KOBE 658,JAPAN

[6] TIBET UNIV,DEPT MATH & PHYS,LHASA,PEOPLES R CHINA

[7] SAITAMA UNIV,DEPT PHYS,URAWA,SAITAMA 338,JAPAN

[8] YUNNAN UNIV,DEPT PHYS,KUNMING 650091,PEOPLES R CHINA

[9] UNIV TOKYO,INST COSM RAY RES,TANASHI,TOKYO 188,JAPAN

[10] TOKYO METROPOLITAN COLL AERONAUT ENGN,TOKYO 116,JAPAN

[11] YOKOHAMA NATL UNIV,FAC EDUC,YOKOHAMA,KANAGAWA 240,JAPAN

[12] SHONAN INST TECHNOL,FUJISAWA 251,JAPAN

来源：

ASTROPHYSICAL JOURNAL | 1993年 / 415卷 / 02期

关键词：

SUN; COSMIC RAYS; SOLAR-TERRESTRIAL RELATIONS; SOLAR WIND; MAGNETIC FIELDS;

D O I：

10.1086/187054

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Tibet air-shower array, being successively operated at an altitude of 4300 m above sea level since 1990, has detected the shadows of the Sun and Moon in the 10 TeV cosmic-ray flux. In particular, the shadow of the Sun was observed in the direction significantly away from the apparent solar position, under the influence of the solar and interplanetary magnetic fields. A further analysis shows that the shadows by cosmic rays coming from the away and toward field sectors in the interplanetary space are shifted in opposite directions to one another according to the polarity of the fields. This is the first direct observation of the influence of the interplanetary magnetic field on the shadow's displacement. The results imply that observation of the cosmic-ray shadow by the Sun can produce new information on the relation between a time variation of the large-scale structure of the solar and interplanetary magnetic fields and the cycle of solar activity.

引用

页码：L147 / L150

页数：4

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