Scientific Results

Rotational Far Infrared-spectrum of (CO)-C-13

Year: 1990

Authors: Zink LR., De Natale P., Pavone FS., Prevelli M., Evenson KM., Inguscio M.

Autors Affiliation: European Laboratory for Nonlinear Spectroscopy (LENS) Largo E. Fermi 2, 50125 Firenze, Italy

Abstract: The pure rotational spectrum of 13CO between 0.66 and 3.3 THz has been measured with a tunable far infrared spectrometer. Revised values for B0, D0, and H0 have been obtained with a 1s standard deviation of 50 kHz. Additional measurements were performed with a Fourier transform spectrometer, and a 1 MHz (3.3 × 10-5 cm-1) measurement accuracy is demonstrated with this device. The rotational spectrum from J? = 0 to J? = 30 is calculated and gives the frequencies with a 1 s uncertainty of less than 120 kHz.


Volume: 143 (2)      Pages from: 304  to: 310

More Information: This research was supported in part by NASA Grant W-l 5. 047 and by INFM (Consorzio Nazionale di Fisica della Material ) . ’ Permanent address: Time and Frequency Division, National Institute of Standards and Technology, Boulder. Colorado 80303.
KeyWords: tunable far infrared spectrometer; rotational spectrum;
DOI: 10.1016/0022-2852(91)90094-Q

Citations: 67
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