Proceedings of the International School of Physics "Enrico Fermi.", Volume 17N. Zanichelli, 1962 - Nuclear physics |
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Page 24
... range [ 13 ] . Some additional molecular spectra have recently been studied in the microwave range [ 14 ] . Klyst . Output Fig . 2 . - 45 MHz oscill . Maser cavity Variable lood 45 MHz ampl . Simplified diagram of a beam- maser ...
... range [ 13 ] . Some additional molecular spectra have recently been studied in the microwave range [ 14 ] . Klyst . Output Fig . 2 . - 45 MHz oscill . Maser cavity Variable lood 45 MHz ampl . Simplified diagram of a beam- maser ...
Page 32
... range given by ар > 3.10-8 . Мр μs cm - 1 . If the radiofrequency spectral lines were as broad as those in the micro- wave range , direct observation of low - frequency transitions would be less worthy of study . The resolution of a ...
... range given by ар > 3.10-8 . Мр μs cm - 1 . If the radiofrequency spectral lines were as broad as those in the micro- wave range , direct observation of low - frequency transitions would be less worthy of study . The resolution of a ...
Page 61
... range 10- to 10-5 radians . This also means that the radiation can be focused to a spot of dimensions comparable to a wavelength . 3 ) The radiation intensity may be very high . Since the frequency range and the solid angle are both ...
... range 10- to 10-5 radians . This also means that the radiation can be focused to a spot of dimensions comparable to a wavelength . 3 ) The radiation intensity may be very high . Since the frequency range and the solid angle are both ...
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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