.


:




:

































 

 

 

 


1911 α-. K , , , , M

, .. , - -, 900, +q ( )

. (1911) , , . . , , .

4. ,

() 4

U ~ 15000 /

( 0,1 )

()

( E < 1M 1 ).

()

U ~ ( )

( 0,3 1 )

5. , .

( )

1903. zmX=>zmY+24He a-

zmX=>zmY+-10e - b-

.

(1911 )

1) (.. )

2) (.. m )

(1912)

11H () 21H - 31H

ZMX

Z =

M Z =

M =

-10e 01n 11H - (, , ); = +

11H < - > 10n

1) (10-15)

2)

3)

4)

5)

6)1F =100F

11. .(∆M)

12. , , . E= ∆M*c2=∆M*931,1()= ∆M*1489,76*10-19() 1=1,6*10-19

, (E=ECB / )

14. ()

- , , .

15.

16. . . . ( )

- , (a / b) - .

1) ∆M<0

2) ∆M>0

.

- , , , .

18. .

1) 235-

2) m - > (. m = 50 )

3) K=1 K=Ni / (N i-1) (Ni ; Ni-1 )

K>1 (0,1%) ( )

K<1

19. , .

:
-
-
- .

:
-
-
- (1986 . - ).

20. ( )

1969 (.)

31H+21H=>42He+10n+Q t=10-6c

1)T=107K; 2)∆t=>T=const.

( / )

:

, .

, .

, ( B), 70

(D= / ) [ - ] , 1 () 1 = 1 = 1 / = 1 ² / ²

H=DK ()

, = 1

= 10

= 20

= mD []

 

 



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