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用可调谐二极管激光光谱仪观测了H~(79)Br和H~(81)Br v=1→0振转带中R(0),P(1)和P(2)跃迁的核四极超精细结构。最小二乘方拟合结果表明H~(79)Br和H~(81)Br第一振动激发态中的Br核四极耦合常数(eqQ)比振动基态中的数值分别大7%和9%。
The nuclear quadrupole supercapacitors of R (0), P (1) and P (2) transitions in H ~ (79) Br and H ~ (81) Br v = 1 → 0 transition bands were observed by tunable diode laser spectroscopy Fine structure. The least squares fit results show that the Br nuclear quadrupole coupling constants (eqQ) in the first vibrational excited states of H ~ (79) Br and H ~ (81) Br are 7% and 9% higher than those in the ground state, respectively .