Other
Scientific paper
Jun 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009mss..confemi11l&link_type=abstract
"International Symposium On Molecular Spectroscopy, 64th Meeting, Held 22-26 June, 2009 at Ohio State University. http://molspec
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Electronic
Scientific paper
The transition wave number from the EF ^1Σ _g^+(v=0,N=1) energy level of ortho-H_2 to the 54p1_1(0) Rydberg state below the X^{+} ^2Σ^+_g(v^+=0,N^+=1) ground state of ortho-H^+_2 has been measured to be 25209.99756±(0.00022)_{statistical}±(0.00007)_{ systematic} cm^{-1}. Combining this result with previous experimental and theoretical results for other energy level intervals, the ionization and dissociation energies of the hydrogen molecule have been determined to be 124417.49113(37) cm^{-1} and 36118.06962(37) cm^{-1}, respectively, which represents a precision improvement over previous experimental and theoretical results by more than one order of magnitude. The new value of the ionization energy can be regarded as the most precise and accurate experimental result of this quantity, whereas the dissociation energy is a hybrid experimental-theoretical determination.
Eikema Kjeld S. E.
Hollenstein Urs
Koelemeij Jeroen C. J.
Liu Jinjun
Merkt Frédéric
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