Project supported by the National Basic Research Program of China(Grant No.2012CB921603);the Program for Changjiang Scholars and Innovative Research Team in University(Grant No.IRT13076);the National Natural Science Foundation of China(Grant Nos.61378049 and 10934004);the International Science and Technology Cooperation Program of China(Grant No.2011DFA12490);the Natural Science Foundation of Shanxi Province,China(Grant No.2011011004)
The high precision two-photon excitation measurements for 5S1/2 (Fg = 2) to 5D5/2 (Fe = 4 to 1) of 87Rb are per- formed by using an optical frequency comb. The two counter-propagating femtosecond pulses (5S1/2 →...
Project supported by the National Natural Science Foundation of China(Grant Nos.11274254,11147108,10979007,U1331122,and U1332206);in part by the National Basic Research Program of China(Grant No.2013CB922200)
Weak- and hyperfine-interaction-induced 1 s2s 1S0→ 1S2 1 S0 E 1 transition rates for the isoelectronic sequence of Helike ions have been calculated using the multi-configuration Dirac-Hartree-Fock (MCDHF) and rela...