496
'
INDEX
,
Rutherford (Cent.)
Selective absorption (Conf.)
—scattering of alpha particles, 142
_
——
of slow neutrons, 335
'
—
_
Selective reection, 53
Sadler, 210
_
Selectivity:
Sargent’s law, 277
——
photoelectric, 70, 72
Saturation current:
Selenium, 86
_
-
—
ionization, 158
Self-energy, 38, (315)
-—
thermionic, 106
Sensitivity:
.
,
Scale-of—eight counter, 422
'
—of counters, 429
_
Scale—of-two circuit, 421
——
of electrometers, 401
'
“
Scattering:
'
-
—
of eye, 70
_
'
—
elastic (of electrons), 52, 144
70
—
inelastic (of electrons), 144
-—-—
measurement of, 72 '
—
of alpha particles, 141
—
relative, 252
-
—
of fast neutrons, 318
—
time of Chambers, 436
'_
_
—
of X-ray3, 203, 201
Separation:
-
‘
Schenkel, 297
'
—
of isotopes, 236
‘
SchiE, 431
'
,
_
_
——
of radioactive substances, 253
'
Schottky:
——
exper.,
256
'
‘
,
.
——
eld emission, 111
'
Series, radioactive: 242
*
—
shot effect, 101
'
_
-—
diagram, 242
-
'
Schrôdinger, 50
‘
——
in Periodic Table, 253
.
\“
_
seintillation:
'
Î
'
—
new—, from thorium, 336
Ÿ
.— expem, 283
“
' :
«
'
——
table of, 471
;«r;
s- »
.
_— screens, 285, 238, 65 ,
f»
'
'
Shalloyv ioni2ation_chambers, 418, 286
‘
Screen grid tubes, 125
‘
Shawze/in
î
3
.
Screening constant, 210
'
ÂSheath,
«»,x
;
—
Shonka,432
:_‘î— Preparation of, 285,65; 238
-
Shôt=' effect100
Seahngoff 376
—nmse102
“ubbertoglass372Silverwnmelectrolyms736
—deltamYS439*50ddyandRutherford244242
Seculaclmhbum24347,250Sefænmg0fxmymbe,l94
Selectl°n5011dselectrosœpe,388
—°fa°°eïeraœdwns324Sollermmt4@9
—V°19°“Y>229S°mmerfeld76205
_0fbetarays,36Sorptwnprocesses,362
—°fPOSItlveraysîî95wrce
Selectiveasmpüon—ofaïpharaÿs,284287
—°fPr°mns326—ofbetaraV8289