Pressure broadening coefficients for nitric oxide, measured with a spin-flip Raman-laser spectrometer

Pressure broadening coefficients for the following NO transitions were measured at room temperature using NO, N2, Ar, He as collisional partner: 14N16O: 1/2 R(1/2), 1/2 P(3/2), 1/2 R(9/2), 3/2 R(9/2), 1/2 P(17/2); 15N16O: 1/2 R(21/2), 3/2 R(21/2), 3/2 R(19/2). We used a tunable spin-flip Raman-laser spectrometer and two different techniques, conventional absorption spectroscopy and Zeeman Modulation spectroscopy. The results obtained with both techniques agree within the error limits. The results are compared with previously published values.