• Rotational quenching of H$_2$CO by molecular hydrogen – Suggestion on the work ofWiesenfeld & Faure

• Fulltext

https://www.ias.ac.in/article/fulltext/pram/088/01/0010

• Keywords

Interstellar matter: molecules; H$_2$CO molecule; quenching.

• Abstract

Wiesenfeld and Faure investigated rotational quenching of H$_2$CO by molecular hydrogen where they considered 40 rotational levels of $o$-H$_2$CO and 41 rotational levels of $p$-H$_2$CO. Data on energies of rotationallevels of the molecule are fundamental in the investigation. We have found that the sequence of levels reported by Wiesenfeld and Faure is not as per convention of molecular physics. Their results are also available on the website: http://home.strw.leidenuniv.nl/∼moldata/datafiles/ph2co-h2.dat, where the collisional transitions are shown even between the levels having equal energies. Data for such transitions should not be there.

• Author Affiliations

1. School of Studies in Physics, Jiwaji University, Gwalior 474 011, India
2. Amity Centre for Astronomy & Astrophysics, Amity Institute of Applied Sciences, Amity University, Sector-125, Noida 201 313, India

• Pramana – Journal of Physics

Volume 94, 2020
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Posted on July 25, 2019