'
15._ REFERENCES '
_
353
'
The experiment may also be carried out With a double coinci—
dence counter, as in gure 15—8, adding successive layers of
absorbing material above the counters and obserVing the number
of counts per second.“
Single and_
coincidence counters
can
now
be purchased on the market. For further details, see
Chapters 17 and 18.
.
'
REFERENCES
'
‘
1. C. T. R. Wilson, Proc. Roy. Soc., 68, 151 (1901).
.
2. Rutherford and Cook, Phys. Rev., 16, 183 (1903).
.
McLennon and Burton, Phys. Rev., 16,
(1903).…
_
3. Gockel.
Phys. Zeit, 11, 280 (1910). _'
'
.
'
'
4. Hess, Phys. Zeit, 12, 988 (1911); 13,1084(1912).
’
5. Kolhôrster, Phys. Zeit, 14,.1066, 1153 (1913).
’
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-
6. Millikan, T/ze Electron (+ and —), pp. 301 and 404.
_
_
7. Regener, Naturwiss, 11, 183 (1929); Phys. Zeit, 34, 306 (1933).
V. C. Wilson, Bul. Amer. Phys..Soc.,12, 7 (Nov. 1937). _
_
8. Bennett and Compton, Rev. Sci.*Ins”t., 4, 491 (1933).
‘
_
.
9. A. H. Compton and I. A. Getting,
Rev., 47, 817(1935).
10. R. L. Dean, Phys". Rev., 49, 107 (1936).
'
«
_
See also R. D. Evans and H. V. Neher,Phys. Rev., 45, 144 (1934).
11. Boethe and Kolhôrster, Zeit. f. Phÿsik, 56, 751
_
‘
.
Rossi, Proc. Lond. Conf. on Nuclear Phys. (1934).
Hsiung, Phys. Rev., 46, 653 (1934):
"
_
'
-
Auger and Ehrenfest,
(1934).
'
Street,
891 (1935).
'
A. H. Compton, Phys. Rev,50,
_
_
‘
12. Lemaitreand Vallarta,PhysRev,43,87(1933), 50,493
13. Clay.Phys136$<1%9
-: ;
.
_
Cmptanttc18tPlev—33
_
‘
ComptonPhysRev43387(1933)
'
R‘- AM11hkan,PhysReV»5O:15(1936)"ff
î”
‘
‘
_
14_ TH10hnson,PhÿsRev48578(1935)
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:
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