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Table 1

Comparison between CC and CS cross-sections (in Å2) for the excitation of para CH3CCH by He for total energies Etot = 100 cm−1 with Nlev = 80.

Energy CC CS Error
E = 100 cm−1 11→21 4.0361 3.9202 2.8%
31→41 3.0956 3.1104 0.4%
51→61 2.9126 3.0719 0.6%
71→91 11.9612 11.8952 0.5%
32→52 14.4978 15.1471 4.4%
41→52 3.6750 3.7966 3.3%
91→101 2.7101 2.8221 7.8%
62→92 1.6051 1.7571 9.4%

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