Investigation of spectroscopic properties of BeX+ (X=H,D,T)’s low-lying electronic states

Danhua LU; Xiaohu HE; Yunzhong LAI; Zeyu WANG; Xuanbing QIU; Chuanliang LI

doi:10.3969/j.issn.1007-5461.2020.01.001

[4] Onjun T, Kritz A H, Bateman G, et al. Magnetohydrodynamic-calibrated edge-localized mode model in simulations of international thermonuclear experimental reactor [J]. Physics of Plasmas, 2005, 12(8): 082513.

[6] Anderl R A, Causey R A, Davis J W, et al. Hydrogen isotope retention in beryllium for tokamak plasma-facing applications [J]. Journal of Nuclear Materials, 1999, 273(1): 1-26.

[7] Bertolini E, JET Team. Impact of JET experimental results and engineering development on the definition of the ITER design concept [J]. Fusion Engineering and Design, 1995, 27: 27-38.

[8] Rollinde E, Maurin D, Vangioni E, et al. Cosmic ray production of beryllium and boron at high redshift [J]. Astrophysical Journal, 2008, 673(2): 676-685.

[9] Valle G, Ferrini F, Galli D, et al. Evolution of Li, Be, and B in the Galaxy [J]. Physics, 2001, 56(1): 252-260.

[10] Bengtsson E. Origin of the ultra-violet beryllium hydride band spectrum [J]. Nature, 1929, 123(3101): 529.

[11] Koontz P G. Beryllium deuteride spectra [J]. Physical Review, 1935, 48(9): 707-713.

[12] Watson W W, Humphreys R F. Ultraviolet spectra of BeH and BeH+ [J]. Physical Review, 1937, 52(4): 318-321.

[13] Coxon J A, Colin R. Born-oppenheimer breakdown effects from rotational analysis of the A1Σ+-X1Σ+ band system of BeH+, BeD+, and BeT+ [J]. Journal of Molecular Spectroscopy, 1997, 181(1): 215-223.

[14] Read S M, Vanderslice J T, Jenc F. Potential curves for BeH+ and CH+ [J]. Journal of Chemical Physics, 1962, 37(1): 205-206.

[15] Brown R E. Ab initio studies on BeH+(X1Σ+) [J]. Journal of Chemical Physics, 1969, 51(7): 2879-2884.

[16] Banyard K E, Taylor G K. Potential energy curves and spectroscopic constants for BeH+, BH and CH+ [J]. Journal of Physics B: Atomic and Molecular Physics, 1975, 8(8): L137-L140.

[17] Rosmus P, Meyer W. PNO-CI and CEPA studies of electron correlation effects. IV. Ionization energies of the first and second row diatomic hydrides and the spectroscopic constants of their ions [J]. Journal of Chemical Physics, 1977, 6(1): 13-19.

[18] Ornellas F R. Potential energy curves and spectroscopic constants for the X1Σ+ and A1Σ+ states of the BeH+ molecule [J]. Journal of Physics B: Atomic and Molecular Physics, 1982, 15(15): 1977-1980.

[19] Reiornellas F. A vibration-rotation analysis of the beryllium hydride ion (BeH)+ in the X1Σ+ state [J]. Journal of Molecular Structure, 1983, 92(3): 337-345.

[20] Ornellas F R. A theoretical study of the (BeH)+ molecule in the A1Σ+ state [J]. Journal of Chemical Physics, 1985, 82(1): 379-383.

[21] Machado F B C, Ornellas F R. A theoretical investigation of the low-lying electronic states of the molecule BeH+ [J]. Journal of Chemical Physics, 1991, 94(11): 7237-7244.

[24] Farjallah M, Ghanmi C, Berriche H. Structure and spectroscopic properties of the beryllium hydride ion BeH+: Potential energy curves, spectroscopic constants, vibrational levels and permanent dipole moments [J]. European Physical Journal D, 2013, 67(11): 1-16.

[25] Xu Xuesong, Dai Anqi, Peng Yigeng, et al. Molecular opacities of the transitions for the lowest four singlet states of BeH+ [J]. Journal of Quantitative Spectroscopy and Radiative Transfer, 2018, 206: 172-179.

[26] Li Chuanliang, Li Yachao, Ji Zhonghua, et al. Candidates for direct laser cooling of diatomic molecules with the simplest Σ1-Σ1 electronic system [J]. Physical Review A, 2018, 97(6): 062501.