Free Access

Table 3.

Spectroscopic parameters of DCCO transitions relevant at low temperatures (∼10 K).

Transitions Frequency Accuracy Eup Aul gu
JKa,Kc (MHz) (kHz) (K) (10−5 s−1)
40,4 – 30,3 78 721.6685 14.4 9.45 0.71 10
50,5 – 40,4 98 402.4782 14.4 14.18 1.42 12
60,6 – 50,5 118 082.6947 14.4 19.85 2.50 14
70,7 – 60,6 137 762.1984 14.4 26.46 4.01 16
80,8 – 70,7 157 440.8700 14.4 34.03 6.03 18

Notes. Eup is the upper state energy, Aul is the Einstein coefficient of the corresponding transition and the upper state degeneracy is given by gu.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.