Proceedings of the International School of Physics "Enrico Fermi.", Volume 17N. Zanichelli, 1962 - Nuclear physics |
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Page 43
... zero point energy per unit length is equivalent , in terms of rate of production of transitions , to AW hv L 2hv Δη = Δν . с If we consider all travelling waves associated with this energy in a given length L of waveguide and travelling ...
... zero point energy per unit length is equivalent , in terms of rate of production of transitions , to AW hv L 2hv Δη = Δν . с If we consider all travelling waves associated with this energy in a given length L of waveguide and travelling ...
Page 55
... zero - point » vibrations , which may be considered to have the effectiveness of one quantum . A beam - type maser has a ca- vity which is usually at room temperature filled with thermal radiation at temperature T. Hen- ce << zero ...
... zero - point » vibrations , which may be considered to have the effectiveness of one quantum . A beam - type maser has a ca- vity which is usually at room temperature filled with thermal radiation at temperature T. Hen- ce << zero ...
Page 256
... zero R.F. power ) which one calculates from the result of BRÜCK is of the order of 5.10-3 G and thus even small in- homogeneities in the static field will be important . Measurements at several frequencies showed a linear increase of ...
... zero R.F. power ) which one calculates from the result of BRÜCK is of the order of 5.10-3 G and thus even small in- homogeneities in the static field will be important . Measurements at several frequencies showed a linear increase of ...
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absorption coefficient actinide alcalins amplifier atomes atomic beam BROSSEL cavité cellule césium champ magnétique cohérence collisions couplage coupling d'onde DEHMELT détection dipolaire dipole electronic emission energy expériences expérimentales facteur de Landé fonction fonction d'onde frequency gaz tampon given gives ground state H₁ Hence high hyperfine structure interaction isotopes klystron l'absorption l'atome l'état excité l'état fondamental level lower magnetic field maser masers matrice densité matrix elements measured mercure mesure méthode microwave modulation molecules neptunium niveaux noise nuclear number observe observed obtain obtained optical order oscillant oscillator oven photon Phys polarisation pompage optique populations power pression pumping quadrupole quantum radiation radiofréquence raie de résonance rare earth relaxation Rendiconti S.I.F. resonance résonance magnétique result rubidium saturation SHIMODA signal small sodium spectrometer spin nucléaire spins électroniques structure hyperfine système T₁ T₂ température used valeur values wave