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| Harnwell G.P., Livingood J.J. — Experimental Atomic Physics |
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| Предметный указатель |
Nichols, E. F. N. 30
Nicol prism, to measure velocity of light 14
Niggli, P. 335 339 349
Nishina, Y. 392
Nitrogen, purification of 302
Normal monochromatic emissive power 44
Nottingham, W. B. 429
Nucleus, artificial disintegration of, by a particles 395
Nucleus, artificial disintegration of, by protons 398
Nucleus, energy levels 389 395 399 400
Nucleus, energy of formation 29 151 152
Nucleus, natural disintegration of radioactive substances 371
Nucleus, resonance 400
Nuttall, J. M. 378 386
Odd terms 242
Ohm’s law for small currents 191
Oil drop method for measuring e 98
Oil drop method for measuring e, experiment 102
Olpin, A. R. 216 220
Optical pyrometer 204
Oscillograph tube for measuring e/m 126
Ott, H. 335 339 349
Owen, E. A. 311 357
Owen’s law 311 357
Packing effect and fraction, (table) 150 151 152
Palmer, H. H 354
Paneth, F. 370 418
Particle, wave aspect of 154 157 160
Paschen mounting for concave grating 258 259
Paschen series 231
Paschen — Back effect 252
Paschen, F. 72 82 231 258 277
Patterson, R. A. 327
Pauli restriction principle 239
Pauli, W. 237 239 390
Pauling; L. 225 251 252
Peek, F. W. 185
Perfect gas law 85
Period of a wave 7
Period of half life of radioactive substances, (table) 373 374
Periodic table 451
Periodic table, significance 149
Perot, J. B. G. 9 257 265
Perrin, J. B. 88 115
Perrotin, J. 15
Perry, C. T. 128
Perturbation calculations 246
Peters, C. G. 265
Peters, M. F. 444
Pfliiger, A. W. 49
Pfund series 231
Pfund, A. H. 231
Phantom wave (see de Broglie wave)
phase velocity 17
Phase velocity, relation to group velocity of de Broglie waves 157
Phillips, C. J. 178
Phosphorescent radiation 43
Photo-ionization 308
Photoelectric absorption of X-rays 355 391 392
Photoelectric emission 193 214
Photoelectric emission, Einstein's law 215 330 353 389
Photoelectric emission, Einstein's law, experiments 219
Photoelectric emission, work function 215
Photoelectrons, e/m of 116
Photoelectrons, velocity distribution 219
Photon 27
Photon energy 27 29 154 232
Photon mass 29 161
Photon momentum 29 154
Photon, particle-wave aspect 80 81 153 154 160
Photon, polarization 81 162
Photon, velocity 27 29 161 162
Pirani gauge 439
Pirani, M. 439
Planck, M. 41 44 66 67
Planck’s constant (see h)
Planck’s radiation law 66
Planck’s radiation law, experiment 73
Pliicker, J. 115
Pohl, R. 325
Polarization of atoms and electrons 81 162
Polarization of electromagnetic waves 8 49 65 328
Polarization of photons 81 162
Pollard, E. C. 395
Ponte 187
Pose, H. 395 400
Positive ions, charges of 137
Positive ions, processes of formation 147
Positive ions, ratio of charge to mass (see e/M)
Positive ions, scattering 173
Positive ions, sources 143 145
Potential measurement, high 185 332
Potential source, high, direct current 105 184 330
Potential wall of crystal 173 192
Potential wall of nucleus 386
Potential, Contact 197
Potential, critical or excitation 314 (see also Energy levels atomic)
Potential, Ionization 146 319
Powdered crystals, diffraction by 175 342
Practical electrical units 4
Precession, Larmor 248
Pressure gauges 437
Pressure gauges, ionization 441
Pressure gauges, McLeod 438
Pressure gauges, mercury manometer 437
Pressure gauges, quartz fiber 439
Pressure gauges, resistance (Pirani) 439
Pressure of light 2 30
Pressure of light, experiment 32
Pressure of light, isotropic waves 26
Pressure of light, particle aspect 27
Pressure of light, plane waves 26
Pressure of light, relation to energy density 26
Pressure of light, thermodynamic proof 50
Pressure of light, wave aspect 24
Prevost's theory of exchange 43
Prevost, P. 43
Prilezaev, S. 216
Primed terms 242
Principal series 227
Principal series of sodium 272
Pringsheim, E. 53 72
Pringsheim, P. 312
Prisms for infra-red 71
Prisms for infra-red, resolving power 283
Prisms for infra-red, wave-length measurement in visible 260
Prisms for X-rays 327
Probability function 109
Probability, Einstein s coefficients 68
Probability, Einstein s coefficients of energy exchange during collision 297
Probability, Einstein s coefficients of photo-ionization 310 311
Projection, gnomonic 338
Proton 112
Proton, constituent of all nuclei 149 394
Proton, mass 151
Proton, product of artificial disintegration 395
Proton, projectile for artificial disintegration 398
Proton, wave length 167 172
Proust, J. L. 83
Proust’s law 83
Prout, W. 149
Prout’s hypothesis 134 149
Pumps, condensation 433
Pumps, fore 432
Pumps, molecular 433
Pumps, Toepler 443
Pumps, vacuum 432
Pyrometer, optical 204
Quantum (see Photon)
Quantum defect 236
| quantum mechanics (see Wave mechanics)
Quantum numbers, atomic 239 240
Quantum numbers, azimuthal 235
Quantum numbers, effective 236
Quantum, numbers for X-ray terms 365
Quantum, numbers in wave mechanical model 245
Quantum, numbers, electronic 238
Quantum, numbers, magnetic 238 249
Quantum, numbers, orbital 238
Quantum, numbers, radial 235
Quantum, numbers, selection rules 242 249 251
Quantum, numbers, spin 238
Quantum, numbers, total 232 235 238
Quantum, numbers, total angular momentum 238 239
Quartz fiber gauge 439
Quenching of resonance radiation 296
Radiation potentials 314 (see also Energy levels atomic)
Radiation pressure (see Pressure of light)
Radiation, black-body 41 (see also Black-body radiation)
Radiation, Characteristic 43
Radiation, phosphorescent 43
Radiation, process of emission 232 237
Radiation, quenching 296
Radiation, resonance 293 301
Radio tube for critical potentials 318
Radio tube for thermionic emission 203
Radio tube to measure e/m 125
Radioactivity 369
Radioactivity of radon and radium (the curie) 383
Radioactivity,  rays 377 (see also Alpha rays)
Radioactivity, disintegration 371
Radioactivity, equilibrium 375
Radioactivity, heat production 383
Radioactivity, helium production 381 383
Radioactivity, order of events 388
Radioactivity, rays 387 (see also Beta rays)
Radioactivity, series, (diagram) 372
Radioactivity, sources 414
Radioactivity, T rays 391 (see also Gamma rays)
Radioactivity, tables (decay, energies, ranges) 373
Radiometer effect 30
Raman effect 290 303
Raman effect, experiment 307
Raman, C. V. 290 304
Ramsauer, C. 174
Ramsay, W. 381
Range of a particles 370 373 377
Range of a particles, experiment 400
Range of a particles, relation to velocity 384
Rasetti, F. 306
Ratio of charge to mass (see e/m of
Ratio of units 1 3 8
Ratio, equality with velocity of light, experiment 9
Ratio, equality with velocity of light, proof 6
Rawhns, F. I. G. 71
Rayleigh — Jeans law 63 66
Rayleigh, Lord 18 63 66 283
Reciprocity theorem 45 68
Rectifiers, high potential, kenotron 3 84 330
Rectifiers, mechanical 330
Rectifiers, mercury arc phanotron 212
Rectifiers, self-rectification by X-ray tube 331
Reduced mass 234
Reflection by crystals 169 170
Reflection by crystals total, of X-rays 327
Reflection coefficient in light pressure work 26 31 36
Reflectivity 44
Refraction, index of for electrons 173
Refraction, index of for light 15
Refraction, index of for rock salt, variation with wave length, (table) 82
Regular levels 272 280
Reichenheim, O. 268
Relation to angular momentum 232
Relation to angular momentum to de Broglie waves 154
Relation to angular momentum to magneton 250
Relation to angular momentum to mass of photon 161
Relation to angular momentum to potential wall of crystal 193
Relation to angular momentum to uncertainty principle 158
Relation to angular momentum to unit of action 159
Relativity, change of mass with velocity 27
Relativity, conservation of mass and energy 29
Relativity, degenerate orbits, effect on 236
Relativity, hydrogen spectrum, effect on 270
Relativity, kinetic energy expression 28
Relativity, packing effect (mass defect) 152
Relativity, restriction of velocity of energy transmission 1
Relativity, scattering formula for y rays (Klein — Nishina) 392
Relativity, velocities greater than c 157
Relativity, verification 121
Relativity, X-ray terms, effect on 364
Rentschler, H. C. 427
Residual rays 72
Resistance, high, for electrometer 427
Resistance, manometer (Pirani gauge) 439
Resistance, temperature coefficient of platinum 56
Resolving power, of prism and grating 283
Resonance in nuclei 400
Resonance lines of mercury 280 301
Resonance lines of sodium 274
Resonance radiation 293 301
Resonance radiation, quenching of 296
Resonance, effect for ionic free paths 175
Rest energy 29
Rest mass 27
Restriction principle of Pauli 239
Reststrahlen 72
Reversal, self 294
Reverse emission 219
Richardson, O. W. 145 195
Ritchie, W. 48
Ritz combination principle 228 258
Ritz series 228
Ritz, W. 228
Robinson, H. 381 383 388
Rock salt prism for infra-red 71
Rock salt prism for infra-red, variation of index of refraction, (table) 82
Roemer, O. 11
Rontgen rays (see X-rays)
Rontgen, W. C. 324
Rosa, E. B. 8 9
Rosen, B. 147 174 323
Rosenblum, S. 399
Rotating crystal, diffraction by 335 344
Rotating crystal, experiment 349
Rotating crystal, focusing action 348
Rowland mounting for concave grating 260
Rowland, H. A. 226 256 258
Royds, T. 381
Ruark, A. E. 156 224 225 246 251
Rubens, H. 72 73 82
Rupp, E. 153 164 173 178
Russell — Saunders coupling 239
Russell, A. S. 391
Russell, H. N. 225 237 262
Russell-Shenstone method of wave-length measurement with a prism 262
Rutherford, E. 174 370 371 373 380—384 388 393—395 399 400 404 412 418
Rydberg constant for helium 234 235
Rydberg constant for hydrogen 227 232 234 235 269
Rydberg constant for infinite mass 234 235
Rydberg series 227 228
Rydberg series for sodium 272
Rydberg series, method of use 276
Rydberg, J. R. 227
Sadler, C. A. 357
Sager, T. P. 445
Sanford, C. R. 434
Saunders, C. A. 24
Saunders, F. A. 237
Sawyer, R. A. 277
Scattering of a particles 173—175 394
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