Projectile and target excitation in He<sup>+</sup> + He collisions at intermediate energies

Junwen Gao; Zhimin Hu; Yong Wu; Jianguo Wang; Nicolas Sisourat; Alain Dubois

doi:10.1063/5.0025623

Matter and Radiation at Extremes, Volume. 6, Issue 1, 014404(2021)

Projectile and target excitation in He⁺ + He collisions at intermediate energies

Junwen Gao1... Zhimin Hu1, Yong Wu2,3,a), Jianguo Wang2, Nicolas Sisourat4 and Alain Dubois4 |Show fewer author(s)

Author Affiliations

¹Laser Fusion Research Center, China Academy of Engineering Physics, 621900 Mianyang, China

²Institute of Applied Physics and Computational Mathematics, 100088 Beijing, China

³Center for Applied Physics and Technology, HEDPS, and School of Physics, Peking University, 100871 Beijing, China

⁴Sorbonne Université, CNRS, Laboratoire de Chimie Physique-Matière et Rayonnement, F-75005 Paris, France

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Figures & Tables(5)

Fig. 1. Cross sections as functions of impact energy for TE to He(1s2s¹S, 1s2p¹P, and 1s3s¹S) excited states.

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Fig. 2. Cross sections as functions of impact energy for TE and ET to He(1s2s ¹S, 1s2p ¹P, and 1s3s ¹S) excited states. Note that the ET cross sections were presented in Ref. 4.

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Fig. 3. Cross sections as functions of impact energy for TE to He(1s2s³S, 1s2p³P, and 1s3s³S) excited states.

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Fig. 4. Cross sections as functions of impact energy for PE to He∗⁺(n = 2) states. Note that the data for PE to the He∗⁺(2p) state was presented in previous work.⁴

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Table 1. Comparison of energies (in a.u.) of He⁺ and He obtained using the GTO basis set with the data from NIST.³³

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Table 1. Comparison of energies (in a.u.) of He⁺ and He obtained using the GTO basis set with the data from NIST.³³

	He⁺		He
State	E_GTO	E_ref	State	E_GTO	E_ref
1s	−2.000	−2.000	1s^{2 1}S	−2.893	−2.903
2s	−0.500	−0.500	1s2s ¹S	−2.145	−2.146
2p	−0.495	−0.500	1s2s ³S	−2.175	−2.175
3s	−0.222	−0.222	1s2p ¹P	−2.121	−2.124
			1s2p ³P	−2.130	−2.133
			1s3s ¹S	−2.058	−2.061
			1s3s ³S	−2.068	−2.068

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Junwen Gao, Zhimin Hu, Yong Wu, Jianguo Wang, Nicolas Sisourat, Alain Dubois. Projectile and target excitation in He⁺ + He collisions at intermediate energies[J]. Matter and Radiation at Extremes, 2021, 6(1): 014404

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Paper Information

Category: Fundamental Physics At Extreme Light

Received: Aug. 31, 2020

Accepted: Nov. 9, 2020

Published Online: Apr. 22, 2021

The Author Email: Wu Yong (wu_yong@iapcm.ac.cn)

DOI:10.1063/5.0025623

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Comparison of energies (in a.u.) of He+ and He obtained using the GTO basis set with the data from NIST.33

Table 1. Comparison of energies (in a.u.) of He+ and He obtained using the GTO basis set with the data from NIST.33

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Table 1. Comparison of energies (in a.u.) of He⁺ and He obtained using the GTO basis set with the data from NIST.³³

Table 1. Comparison of energies (in a.u.) of He⁺ and He obtained using the GTO basis set with the data from NIST.³³