Molecular-Beam Maser for the Shorter-Millimeter-Wave Region: Spectral Constants of HCN and DCN
Molecular-Beam Maser for the Shorter-Millimeter-Wave Region: Spectral Constants of HCN and DCN
复制标题
DOI：
10.1103/physrev.187.58
复制
发表时间：
1969-11
期刊：
影响因子：
--
通讯作者：
F. Delucia;W. Gordy
中科院分区：
文献类型：
--
作者：
F. Delucia;W. Gordy
毫米波分子束微波激射器已被制成同时作为放大器和振荡器，分别以88.6和177.2 kMc/秒的速度对HCN的J= 1→ 0和J= 2→ 1跃迁进行操作，从而将此类微波激射器之前的工作频率范围增加了一倍。用这个脉泽测量了H 12 C 14 N和D 12 C 14 N跃迁的超精细分量，精确到9位有效数字。光谱常数对于HCN，从这些频率导出的（kc/sec）为：B 0= 44 315 975.7±0.4，DJ = 87.24±0.06，（eQq）N=-4709.1 ±1.3，CN = 10.4±0.3;对于D 12 C 14 N，B 0= 36 207 462.7±0.2，D J= 57.83±0.04，（eQq）N=− 4703.0±1.2，C N= 8.4±0.3，（eQq）D= 194.4±2.2，C D=− 0.6±0.3。
A millimeter-wave molecular-beam maser has been made to operate as both an amplifier and an oscillator on the J= 1→ 0 and the J= 2→ 1 transitions of HCN at 88.6 and at 177.2 kMc/sec, respectively, thus doubling the previously operational frequency range of such masers. With this maser, hyperfine components of these transitions have been measured for H 12 C 14 N and D 12 C 14 N to nine significant figures. The spectral constants (in kc/sec) that are derived from these frequencies are, for HCN, B 0= 44 315 975.7±0.4, D J= 87.24±0.06,(eQq) N=− 4709.1±1.3, and C N= 10.4±0.3; for D 12 C 14 N, B 0= 36 207 462.7±0.2, D J= 57.83±0.04,(eQq) N=− 4703.0±1.2, C N= 8.4±0.3,(eQq) D= 194.4±2.2, and C D=− 0.6±0.3.