Line positions and line strengths for the 3<--0 electric quadrupole band of H2 1Sigmag + |
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Authors: | Robie Daniel C Hodges Joseph T |
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Institution: | Department of Chemistry, York College, City University of New York, Jamaica, New York 11451, USA. robie@york.cuny.edu |
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Abstract: | Several rotational lines in the S and Q branches including the previously unobserved Q(2) and Q(3) lines] of the 3-0 electric quadrupole band of H2 have been detected by cavity ring-down spectroscopy. Line strengths were measured at densities between 2.7x10(18) and 7.5x10(19) molecules cm-3 at room temperature. The observed line strengths in the S branch are consistent with earlier measurements, and systematically below theoretical calculations relative differences of approximately 10% for the S(1),S(2), and S(3) lines, and nearly 30% for the S(0) line]. Line strength measurements for the Q branch range from 25% to 33% below theoretical calculations. |
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