???????????????? ??

1
?????????????????????????? ?
Jan.12.2006
Nagoya_STE
1.???? ???? 2.????? ?????? ????? ?????????? ???
? 3.?? ???? ??????? ???? 4.?????

• ?? ??
• ???? ???? ????
• ?????2-5-1,
• Kochi 780-8520, JAPAN

2
1. ????

• 1-1 ????????????????
• ???????????? ?
• ??????????????????????????????
• ????(????2?)????????
• ?????????

????????????????????? Anti-neutron decay model
3
2. ?????

• 2-1 ??????

Lorentz ? F m ?? , c ??,q??, V(dx/dt,
dy/dt, dz/dt) ??, B?? (??), ?
?????(Rltrlt10R)Mead?? E 0? ????????
(?????100KeVltlt100MeV)
4
2-2 ????? (????)

• ??
• I) ????? (???????????)
• ?? (or ??) ??????? CR
• II) p A ? p X(???????????????)
• ??_at_20 km, ????(Albedo) ?? CRAP
• III)p A ? n X (????????????????)
• n ? p e- ? (????(albedo)??????)
• t 900sec, ??lt10RE, ????CRAND
• ???, (??2??????)
• I) ???????? (CR???)
• II) p A ? p p p- X (???????)
• III)p A ? p n n X (????????)
• n ? p- e ? (?????????)

5
2-3 ????????????

• 1)?????????????? (?????)
• Em ???????, a, b ?????????
• set a -1, b 2.0.
• Em 0.3 GeV for ?? (???????),
• Em 2.0 GeV for ???(2???).
• 2)????/???????? (???III)
• (?)???????t 900?, ???? t 0.2?.

6
2.4 ???????

• 1) Dipole (???)???
• ????????
• Slant Eccentric(????)
• 2)IGRF(??????)
• ????(RE ? r lt5RE )?
• SAA??????
• 3)GEOPACK(Tsyganenko)
• ????????????
• ???????

7
?????????????

• ????
• ???III(?????)
• ??Dipole/IGRF/Geopack
• ????
• ???RK4
• ????p
• ???1000?
• ??????1µ?
• ????6?/600?
• ?????1GeV
• ????R10R
• CPUPentium.M-1.2GHz

???? (6??? 1??) ???? (600? 10??)
Dipole ????? 42? 13 ??
IGRF ???? 410? 7? 5 ?
GEOPACK Tsyganenko 2700? 1?? 1 ??
8
2.5 ???????????

• 1)3????????????????????
• Runge-Kutta 4th method
• ???? RE(6,350km)20km 10RE(??????)
• ???? ??,1µ?(hlt1000km) 10m?(??)
• ???? ??max.600?(10?)
• ????? ??, IGRF/E.Dipole (??) Mead?? (??)
• (???????)
• 2)????????????????
• ???????????????????????
• ??????? 10 MeV 10 GeV ????
• ????????????????
• Em(??)0.3GeV , Em(???)2.0GeV
• ??????? ????(?????, ??????)
• ?????(????????)
• (?)????? ??????(t900 ?),lt 10RE

9
2) ????(1)
Model? CRAP
Model? CR
???-II
Model? CRAND
???-III
10
)???????????????/???II
11
)???????????????/???II
12
4)??????????(Preliminaly)
??ISS??_at_400km ???/???III 0.12GeV??? ????????
????????
13
5)???????
14
???????(?????)
????USAstdAir?????
??????
15
4. ??

• ???? (???)
• ??? (?)?? ????????????
• (by ????)CR due to Rigidity Cut-off
• ??????????????
• ?????(RadiationBelts)
• ??(?)???Van-Allen???????
• (CRAND Cosmic ray Albedo neutron decaymodel?)
• ???????(lt0.1GeV)?????????????
• ???????(1GeV)?????????????
• ???????(2000km)?????????????
• ISS????(400km)
• ??????????SAA??????
• ???????(?)????(??)?????
• SAA??????(?)????(?)???
• (??????????)

16
5. ????????

• ?????????????????????
• ????????(2??????????)
• ??????! ? ????
• 100K ?? ? 1M..?,20K/?(Pentium4-2GHz)
• ??????
• 3????1???
• ??????, p-/p?,
• ??????????, ??????.
• ???, ????, ????,?????.
• ???? (??, ??, ????).
• ????, ??????????.
• ????????
• ??????????
• (coming)?????(BESS_Polar, AMS, Pamela)
• ????????? gt ??????
• ?????????(????)

???????????????