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http://dspace.iitrpr.ac.in:8080/xmlui/handle/123456789/1523| Title: | Ultracold rotational quenching of NCCN scattering with 3 He and 4 He |
| Authors: | Chhabra, S. Kushwaha, A. Kaur, R. Kumar, T.J.D. |
| Keywords: | Ultracold Cross section Close coupling calculations Scattering length Rate coefficient |
| Issue Date: | 13-Mar-2020 |
| Abstract: | Rotational quenching cross sections are computed for ultracold rotational transitions of NCCN induced by collision with 3,4He. Rotational quenching of He-NCCN involving two isotopes resulted in higher cross sections for lighter isotope. Quenching cross-section in ultracold regime is found to obey Wigner’s threshold law. Rate coefficients are obtained from 10−5 to 50 K. To further analyse the isotopic effect of He, scattering lengths are computed. The imaginary part of scattering length is very large for 3 He-NCCN. Rate coefficient in the limit of zero temperature is found to be an order of magnitude larger for 3 He-NCCN. |
| URI: | http://localhost:8080/xmlui/handle/123456789/1523 |
| Appears in Collections: | Year-2020 |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| Full Text.pdf | 2.34 MB | Adobe PDF | View/Open Request a copy |
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