TIME DEPENDENCE OF THE PROTON FLUX MEASURED BY PAMELA DURING THE 2006 JULY-2009 DECEMBER SOLAR MINIMUM

被引：242

作者：

Adriani, O. ^{[1
,2
]}

Barbarino, G. C. ^{[3
,4
]}

Bazilevskaya, G. A. ^{[5
]}

Bellotti, R. ^{[6
,7
]}

Boezio, M. ^{[8
]}

Bogomolov, E. A. ^{[9
]}

Bongi, M. ^{[1
,2
]}

Bonvicini, V. ^{[8
]}

Borisov, S. ^{[10
,11
,12
]}

Bottai, S. ^{[2
]}

Bruno, A. ^{[6
,7
]}

Cafagna, F. ^{[7
]}

Campana, D. ^{[4
]}

Carbone, R. ^{[8
]}

Carlson, P. ^{[13
,14
]}

Casolino, M. ^{[11
]}

Castellini, G. ^{[15
]}

De Pascale, M. P. ^{[10
,11
]}

De Santis, C. ^{[10
,11
]}

De Simone, N. ^{[10
]}

Di Felice, V. ^{[10
]}

Formato, V. ^{[8
,16
]}

Galper, A. M. ^{[12
]}

Grishantseva, L. ^{[12
]}

Karelin, A. V. ^{[12
]}

Koldashov, S. V. ^{[12
]}

Koldobskiy, S. ^{[12
]}

Krutkov, S. Y. ^{[9
]}

Kvashnin, A. N. ^{[5
]}

Leonov, A. ^{[12
]}

Malakhov, V. ^{[12
]}

Marcelli, L. ^{[11
]}

Mayorov, A. G. ^{[12
]}

Menn, W. ^{[17
]}

Mikhailov, V. V. ^{[12
]}

Mocchiutti, E. ^{[8
]}

Monaco, A. ^{[6
,7
]}

Mori, N. ^{[2
]}

Nikonov, N. ^{[9
,10
,11
]}

Osteria, G. ^{[4
]}

Palma, F. ^{[10
,11
]}

Papini, P. ^{[2
]}

Pearce, M. ^{[13
,14
]}

Picozza, P. ^{[10
,11
]}

Pizzolotto, C. ^{[8
,18
,19
]}

Ricci, M. ^{[20
]}

Ricciarini, S. B. ^{[15
]}

Rossetto, L. ^{[13
,14
]}

Sarkar, R. ^{[8
]}

Simon, M. ^{[17
]}

机构：

[1] Univ Florence, Dept Phys, I-50019 Florence, Italy

[2] Ist Nazl Fis Nucl, Sez Florence, I-50019 Florence, Italy

[3] Univ Naples Federico II, Dept Phys, I-80126 Naples, Italy

[4] Ist Nazl Fis Nucl, Sez Naples, I-80126 Naples, Italy

[5] PN Lebedev Phys Inst, RU-119991 Moscow, Russia

[6] Univ Bari, Dept Phys, I-70126 Bari, Italy

[7] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy

[8] Ist Nazl Fis Nucl, Sez Trieste, I-34149 Trieste, Italy

[9] AF Ioffe Phys Tech Inst, RU-194021 St Petersburg, Russia

[10] Ist Nazl Fis Nucl, Sez Rome Tor Vergata, I-00133 Rome, Italy

[11] Univ Roma Tor Vergata, Dept Phys, I-00133 Rome, Italy

[12] Moscow Engn & Phys Inst, RU-11540 Moscow, Russia

[13] AlbaNova Univ Ctr, Dept Phys, KTH, SE-10691 Stockholm, Sweden

[14] AlbaNova Univ Ctr, Oskar Klein Ctr Cosmoparticle Phys, SE-10691 Stockholm, Sweden

[15] IFAC, I-50019 Florence, Italy

[16] Univ Trieste, Dept Phys, I-34147 Trieste, Italy

[17] Univ Siegen, Dept Phys, D-57068 Siegen, Germany

[18] Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy

[19] ASI, Sci Data Ctr, I-00044 Frascati, Italy

[20] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[21] North West Univ, Ctr Space Res, ZA-2520 Potchefstroom, South Africa

来源：

ASTROPHYSICAL JOURNAL | 2013年 / 765卷 / 02期

基金：

瑞典研究理事会; 俄罗斯基础研究基金会;

关键词：

cosmic rays; solar wind; Sun: heliosphere; TERMINATION SHOCK; COSMIC-RAYS; HELIOSHEATH; SPECTRA; SEARCH; WIND;

D O I：

10.1088/0004-637X/765/2/91

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The energy spectra of galactic cosmic rays carry fundamental information regarding their origin and propagation. These spectra, when measured near Earth, are significantly affected by the solar magnetic field. A comprehensive description of the cosmic radiation must therefore include the transport and modulation of cosmic rays inside the heliosphere. During the end of the last decade, the Sun underwent a peculiarly long quiet phase well suited to study modulation processes. In this paper we present proton spectra measured from 2006 July to 2009 December by PAMELA. The large collected statistics of protons allowed the time variation to be followed on a nearly monthly basis down to 400 MV. Data are compared with a state-of-the-art three-dimensional model of solar modulation.

引用

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