Isotopic effects in rotational de-excitation of H2CO isotopologues (HDCO and D2CO) by He at low temperatures

Open Access

Fig. 6

Rotational de-excitation cross sections as a function of the collision energy for transitions from the 3_0,3 state. Top panel: para-H₂CO+He (solid lines) and ortho-D₂CO+He (dotted lines). Bottom panel: HDCO+He.

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