(1.5-1.6) (2.2), :
= =
= 247.08 - 65.33 -21.11 = 22.44 .
.
4. T 12.
- + 12 11 + n
- + 12 11 +
- + 14 12 + n + n
1) - 3),
1) Q = 0 - (8.071+10.650) = -18.721
2) Q = 0 - (8.668 + 7.289) = -15.957
3) Q = 3.02 - (0 + 28.071) = -13.122
(2.14) : T Q
1) - 3)
5. : 7Li(p, )4He 7Li(p, )8Be.
:
1) 7Li(p, )4He Q = +17.348
2) 7 Li(p, )8Be Q = +17.26
1) - 2) , .
6. : 13.136 -7.289 - 8.071 = -2.224
, (2.14a),
Emin =T = 2.224(1 + 0.5) = 3.34 .
7. :
- + 7Li 10B+n;
- + 12C 14N + d
- T = 10 ?
:
1) + 7Li 10B + n
Q = 2.424 + 14.907 - 12.05 - 8.071 = -2.79
T = 2.79(1 + 4/7) = 4.38
, .. T =10 > T
2) + 12C 14N + d
Q = 2.424 + 0 - 2.863 - 13.136 = -13.575
E = 18.1
, .. T < T .
8. X Q :
1. 35l + X 32S + ; | 4. 23Na + p 20Ne + X; |
2. 10B + X 7Li + ; | 5. 23Na + d 24Mg + X; |
3. 7Li + X 7Be + n; | 6. 23Na + d 24Na + X. |
X, .
35Cl | X | 32S | Q = -29.013+7.289-(-26.016+2.424) =1.87 | ||
Z | |||||
A | |||||
X =p | |||||
10B | X | 7Li | Q = 12.05+8.071-(14.907+2.424) =2.79 | ||
Z | |||||
A | |||||
X =n | |||||
7Li | X | 7Be | n | Q = 14.907+7.29-(15.768+8.07) = -1.643 | |
Z | |||||
A | (T = 1.643(1+1/7) = 1.88 ) | ||||
X =p | |||||
23Na | p | 20Ne | X | Q = -9.532+7.289-(-7.041+2.424) = 2.38 | |
Z | |||||
A | |||||
X = | |||||
23Na | d | 24Mg | X | Q = -9.532+13.136-(-13.933+8.071) = 9.47 | |
Z | |||||
A | |||||
X = n | |||||
23Na | d | 24Na | X | Q = -9.532+13.136-(-8.42+7.289) = 4.74 | |
Z | |||||
A | |||||
X = p |
|
|
9. Tmin , 10B E = 1.75 ?
Q = - E., : Tmin = T.
(2.14a) (.. Q<<mdc2) :
Tmin E(1+m1/m2) 1.75(1+2/10) = 2.1 .
10. : 14N + 17 + p, , :
1) -, 2) 14N. Q = 1.18 . .
, c (2.14a):
1) T = 1.18(1 + 4/14) = 1.52 .
2) T = 1.18(1 + 14/4) = 5.31 ,
" " (4/14)Q, (14/4)Q, 3.5 .
11. :
1. d(p, )3He; | 5. 32S(,p)31P; |
2. d(d,3He)n; | 6.32 (,n)31S; |
3. 7Li(p,n)7Be; | 7. 32S(, )28Si; |
4. 3He(, )7Be; | 8. 4He(,p)7Li; |
(2.2) (2.14) :
Q () | T () | ||
d(p, )3He | +5.494 | ||
d(d,3He)n | +3.27 | ||
7Li(p,n)7Be | -1.643 | T = 1.88 | |
3He(, )7Be | +1.587 | ||
32S(,p)31P | -8.864 | T= Q0 ( m1=0, Q0 << 1) | |
32S(,n)31S | -15.042 | T = Q0 | |
32S(, )28Si | -6.948 | T = Q0 | |
4He(,p)7Li | -17.34 | T 34.68 |
12. : 1) 10 7Li; 2) 7Li 10 ?
7Li.
(2.2) (2.14) . , 7Li - T*nop. :
Q() | T () | T*() | |||
7Li+p 4He + 4He | 17.348 | ||||
7Li+p +8Be | 17.255 | ||||
7Li+p n+7Be | -1.643 | 1.88 | 13.14 | ||
7Li+p p+t+ 4He | -2.467 | 2.82 | 19.74 | ||
7Li+p n+3He+ 4He | -3.230 | 3.69 | 25.84 | ||
7Li+p 3He+ 5He | -4.125 | 4.71 | 33.00 | ||
7Li+p t+5Li | -4.434 | 5.07 | 35.47 | ||
7Li+p d+ 6Li | -5.025 | 5.74 | 40.2 | ||
7Li+p d+d+4He | -6.5 | 7.43 | |||
7Li+p p+n+ 6Li | -7.249 | 8.29 | 57.99 | ||
7Li+p n+p+d+4He | -8.724 | 9.97 | 69.79 | ||
7Li+p p+d+5He | -9.619 | 10.99 | 76.95 | ||
10 1) - 11), 1H, 2H, 3H, 3He, 4He, 5Li, 6Li, 7Be, 8Be. 7Li 10 1) - 2), 4He 8Be.
13. 7LI -. -?
7Li(n, )8Li, Q = 2.034 .
p, - -, E, - -,
- -:
|
|
E = Q - ELi Q = 2.034
14. 9, 12C(n, )9Be.
, - ... . 9Be (. (2.19))
.
(. (2.22))
.
, ,
, ,
15. 20.4 0.024 . ? ?
20.4 0.024 11, 12. , -:
11B(t,2p)13Be, 11B(t,3n)11C, 11B(t,2n)11C
11B(,2p)13Be, 11B(,t)11C.
16. . - 100 . 40 ~25 . ? ?
.
= 20 .
11, 11B(p,n)11C.
17. (2.30).
( Q = 0).
, - 12C. = 1800.
18. 7, 7Li(p,n)7Be
(Q = -1,65 ) Tp = 5 .
(2.30)
, , ..
, cos 0.614, .. , 7Be ~520. 7Be,
00 520 7Be . "+" , "-". 00:
,
.
,
, .
7Be , 1800, 7Be, 00.
19. -, = 300 12C E = 4.44 , .., - = 450. -, .
- :
, (19.1)
:
, (19.2)
Q = E.
(19.1) (19.2), :
:
20. - T = 5 7Li. ..., 7Li(,n)10B 10B pBe.
:
Q = 2.424 + 14.907 - 8.071 - 12.050 = -2.79 .
10B ... (2.32):
...:
21. 32S(,p)35Cl 35Cl (1.219; 1.763; 2.646; 2.694; 3.003; 3.163 ). - 5.0 ? , 00 900 =5.0 .
:
= 2.424 - 26.016 -7.289 + 29.013 = -1.868 .
|
|
...:
.
:
.. - 5 1.219, 1.763. , 00 900 :
,
Q = Q0 - E;
Q1 = -3.09 , Q2 = -3.63 .
,
() | Tp(00) () | Tp(900) () |
1.219 | 1.62 | 1.3 |
1.763 | 1.03 | 0.78 |
22. .. ...