Proton and Alpha from Pamela
Proton and Alpha from Pamela
Proton and Alpha from Pamela
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Solar Modulation of Galactic Cosmic Rays<br />
Balloon: low frequency<br />
modulation<br />
<strong>Pamela</strong>: low <strong>and</strong> high<br />
frequency modulation<br />
Long solar minimum<br />
Variation in Galactic<br />
flux<br />
Short Term<br />
(months)<br />
Long term (years)<br />
<strong>Pamela</strong><br />
AMS-01<br />
Caprice / Mass /TS93<br />
BESS<br />
Charge dependence<br />
(e.g. Asaoka Y. et al. 2002, Phys.<br />
Rev. Lett. 88, 051101)<br />
Nm, сm -2 s -1<br />
3.5<br />
3.0<br />
2.5<br />
2.0<br />
R c = 0.03 и 0.6 GV<br />
R c = 2.4 CV<br />
J<br />
2 2<br />
E E 1.5<br />
0<br />
( r,<br />
E,<br />
t)<br />
<br />
J ( ,<br />
E (<br />
M. Casolino, 2 INFN & 2University 2 Roma Tor Vergata<br />
( E (<br />
t))<br />
E0<br />
t))<br />
1955 1965 1975 1985 1995 2005<br />
Year<br />
Dati meteor 0.03 GV 0.6 GV, Stozkov 2008
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