Old_Phys_memo
密度 from LISE
- 密度
Z = 1, H : 0.0715 g/cm3(たぶん固体。温度は?)
Z = 4, Be : 1.848 g/cm3
Z = 6, C : 2.253 g/cm3
Z = 13, Al : 2.702 g/cm3
Z = 14, Si : 2.323 g/cm3
Z = 26, Fe : 7.8658 g/cm3
Z = 82, Pb : 11.344 g/cm3
H10C9, BC-400 : 1.032 g/cm3
H8C10O4, Mayler- Melinex : 1.397 g/cm3
1 g/cm2 になる厚さ
- Z = 1, H : 140 mm
- Z = 4, Be : 5.4 mm
- Z = 6, C : 4.4 mm
- Z = 13, Al : 3.7 mm
- Z = 14, Si : 4.3 mm
- Z = 56, Fe : 1.3 mm
- Z = 82, Pb : 0.88 mm
H10C9, BC-400 : 9.7 mm
H8C10O4, Mayler- Melinex : 7.2 mm
Energy Loss
37Mg 270 MeV/u の物質中(1 g/cm2)でのエネルギー損失(原子質量単位当たり~核子当り)
- Z = 1, H : 31 MeV/u
- Z = 4, Be : 12 MeV/u
- Z = 6, C : 13 MeV/u
- Z = 13, Al : 12 MeV/u
- Z = 14, Si : 12 MeV/u
- Z = 26, Fe : 10 MeV/u
- Z = 82, Pb : 7.6 MeV/u
H10C9, BC-400 : 15 MeV/u
H8C10O4, Mayler- Melinex : 14 MeV/u
エネルギー 270 MeV/u, 原子番号 Z の原子核の 物質 1 g/cm2 中でのエネルギー損失(原子質量単位当たり~核子当り)は、およそ Z MeV/u
- エネルギー損失は 物質の Z/A に比例する。たいていの物質は Z/A ~ 2。
- Z/A = 1 の水素が入っていると、エネルギー損失が大きい。 Z/A ~ 2.5 の Pb だとエネルギー損失は小さい。
Sn 実際の値
特に明記しない場合、出典は G. Audi et al., Nucl. Phys. A729, 337 (2003).
31Ne
Sn = 0.29(1.64) MeV
S2n = Sn + 3.4(0.3) MeV = 3.7(1.7) MeV
(B. Jurado et al., Phys. Lett. B 649, 43 (2007).)
30Ne
Sn = 3.03 (63) MeV
S2n = 4.29 (59) MeV
22C
Sn = 0.75(1.03) MeV
S2n = 0.42(0.94) MeV
20C
Sn = 2.93(26) MeV
S2n = 3.51(24) MeV
19C
Sn = 0.58(9) MeV
S2n = 4.76(10) MeV
18C
Sn = 4.180(30) MeV
S2n = 4.910(30) MeV
計算メモ
e-xsin(x), e-xcos(x) の積分
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
- より、
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
- であるから、
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
e-axsin(x), e-axcos(x) の積分
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
- より、
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
- であるから、
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
e-axsin(kx), e-axcos(kx) の積分
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
e-axsin(kx), e-axcos(kx) の定積分
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
xe-axsin(kx), xe-axcos(kx) の定積分
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
微分
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
誤差
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows:
ここで、
dvipng error! exitcode was 2 (signal 0), transscript follows:
とすると、dvipng error! exitcode was 2 (signal 0), transscript follows:
dvipng error! exitcode was 2 (signal 0), transscript follows: