H2CO
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Related Articles from SNS
Collisional excitation of H$_2$CO by He: Experimental validation of state-of-the-art scattering calculations
arXiv:2606.07039v1 Announce Type: cross Abstract: Context. Non-local thermodynamic equilibrium conditions in the interstellar medium require collisional rate coefficients to model astronomical observations; these are usually determined from theoretical scattering calculations. The aim of this study is to measure experimentally low-temperature pressure-broadening cross-sections for the H2CO-He system in order to validate the theoretical methodology involved in determining new collisional rate...