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Elastic electron scattering with CH2Br2 and CCl2Br2: The role of the polarization effects |
| Xiaoli Zhao(赵小利)1,† and Kedong Wang(王克栋)2,‡ |
1 School of Science and Technology for Opto-electronic Information, Yantai University, Yantai 264005, China;
2 School of Physics, Henan Normal University, Xinxiang 453007, China |
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Abstract We present elastic electron scattering cross sections with holmethane molecules CH2Br2 and CCl2Br2 in the low-energy region ranging from 0.01 eV to 20 eV. The calculations are performed with the R-matrix method in static-exchange plus polarization (SEP) and close-coupling (CC) approximations. The integral, differential, and momentum transfer cross sections are calculated. The convergence of the obtained cross sections is checked at four different levels of SEP approximation. The predicted positions of the resonances agree well with available results. The precise resonance parameters are found to be sensitive to the treatment of polarization effects employed. We find that the polarization has a substantial effect on the cross sections, and this effect becomes even more important for lower impact energies.
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Received: 06 November 2021
Revised: 15 December 2021
Accepted manuscript online: 18 December 2021
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PACS:
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34.80.Bm
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(Elastic scattering)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. U1504109 and 11604085) and the Natural Science Foundation of Henan Province, China (Grant No. 212300410054). |
Corresponding Authors:
Xiaoli Zhao, Kedong Wang
E-mail: zhaoxiaoli513@126.com;wangkd@htu.cn
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Cite this article:
Xiaoli Zhao(赵小利) and Kedong Wang(王克栋) Elastic electron scattering with CH2Br2 and CCl2Br2: The role of the polarization effects 2022 Chin. Phys. B 31 083402
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