| 单词 | hyperfine |
| 例句 | Chuzhoy, L. & Shapiro, P. R. Ultraviolet pumping of hyperfine transitions in the light elements, with application to 21 cm hydrogen and 92 cm deuterium lines from the early universe. Possible interaction between baryons and dark-matter particles revealed by the first stars 2018-02-27T05:00:00Z It is tempting to extract a ‘best’ value for the hyperfine splitting by fitting the hydrogen simulation to the experimental data, particularly because the simulation reproduces the form of the data rather well. Observation of the hyperfine spectrum of antihydrogen : Nature : Nature Research 2017-08-01T04:00:00Z With this approach, the Dehmelt team recorded hyperfine spectra of trapped helium ions and molecular hydrogen ions with unprecedented resolution. Hans Dehmelt (1922-2017) : Nature : Nature Research 2017-05-16T04:00:00Z The greatly improved trapping rate demonstrated here bodes well for many other future antihydrogen experiments, including microwave hyperfine transitions, spectroscopy and laser cooling using Lyman-α light21, and gravitational studies with neutral antimatter. Observation of the 1S–2S transition in trapped antihydrogen : Nature : Nature Research 2016-12-18T05:00:00Z The frequency difference between the two onsets represents the ground-state hyperfine splitting and is independent of the field strength and the number of anti-atoms that are trapped. Observation of the hyperfine spectrum of antihydrogen : Nature : Nature Research 2017-08-01T04:00:00Z Purcell, E. M. & Field, G. B. Influence of collisions upon population of hyperfine states in hydrogen. Possible interaction between baryons and dark-matter particles revealed by the first stars 2018-02-27T05:00:00Z The data reveal clear and distinct signatures of two allowed transitions, from which we obtain a direct, magnetic-field-independent measurement of the hyperfine splitting. Observation of the hyperfine spectrum of antihydrogen : Nature : Nature Research 2017-08-01T04:00:00Z The energies of the hyperfine states are solved using an effective Hamiltonian with the hyperfine splitting and the magnetic moments of hydrogen as inputs. Observation of the hyperfine spectrum of antihydrogen : Nature : Nature Research 2017-08-01T04:00:00Z |
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