Science, Volume 333, Issues 6039-6044John Michels (Journalist) American Association for the Advancement of Science, 2011 |
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Page 196
... transition connecting the two metastable states of helium ( the lowest energy triplet state 2 3S1 and first excited singlet state 2 1S 。) , for which quantum electrodynamic and nuclear size effects are very strong . This transition is ...
... transition connecting the two metastable states of helium ( the lowest energy triplet state 2 3S1 and first excited singlet state 2 1S 。) , for which quantum electrodynamic and nuclear size effects are very strong . This transition is ...
Page 197
... transition is ~ 10-7 S ( 20 , 21 ) , smaller by 14 orders of magnitude than for the electric - dipole transitions from 2 3S1 to 2 3Po , 1,2 states , which indicates that excitation requires high power and / or long interaction times ...
... transition is ~ 10-7 S ( 20 , 21 ) , smaller by 14 orders of magnitude than for the electric - dipole transitions from 2 3S1 to 2 3Po , 1,2 states , which indicates that excitation requires high power and / or long interaction times ...
Page 198
... transition for " He of f4 192,510,702,145.6 ( 1.8 ) kHz and for 3He ( F = 3/2 → F = 1/2 ) of ƒ3 = 192,504,914,426.4 ( 1.5 ) kHz , where the one - standard deviation error in parentheses includes all statistical and systematic ...
... transition for " He of f4 192,510,702,145.6 ( 1.8 ) kHz and for 3He ( F = 3/2 → F = 1/2 ) of ƒ3 = 192,504,914,426.4 ( 1.5 ) kHz , where the one - standard deviation error in parentheses includes all statistical and systematic ...
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