Microwave Spectroscopy

absorption line amplifier approximately asymmetric rotor atoms bond calculated cavity Chap Chem coefficient collision components cos² coupling constant crystal detected detector dipole electric field electron energy levels equation evaluated excited expression given gives harmonic hence hydrogen hyperfine structure inertia intensity interaction isotopic J+K_1 K₁ odd klystron line width linear molecule magnetic field mass matrix elements measured microwave spectroscopy mode modulation molecular axis moment of inertia motion noise nuclear spin nucleus obtained occur orbital oscillator output perturbation Phys potential pressure broadening quadrupole coupling quadrupole moment quantum number radiation ratio resonance rotational constant rotational energy spectrograph spectrometer spectrum splitting Stark effect Subbranch symmetric top symmetric-top Table temperature theory tion total angular momentum transition usually valence values vector vibrational voltage wave function waveguide wavelength ymax Zeeman effect zero Δν νο