Selectivity in valence excitation processes of noble atoms studied by fast electron impact

被引：12

作者：

Cheng, HD ^{[1
]}

Zhu, LF ^{[1
]}

Liu, XJ ^{[1
]}

Yuan, ZS ^{[1
]}

Li, WB ^{[1
]}

Xu, KZ ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Modern Phys, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China

来源：

PHYSICAL REVIEW A | 2005年 / 71卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.71.032714

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The experimental and theoretical ratios of the generalized oscillator strength (GOS) for valence excitations of Ne, Ar, and Kr are presented. The excitation selectivity for fast electron impact is elucidated: the LS coupling singlet nature of the ground state selects the LS coupling singlet components from the intermediate coupling wave function of the excited state. According to this rule, the GOS's for some unresolved transitions were determined. Furthermore, this work provides an experimental method to determine the intermediate coupling coefficients of singlet components.

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页数：5

相关论文

共 27 条

[1]

ABDALLAH JJ, LA11436M LOS AL NAT, V1

[2] NONSTATISTICAL BRANCHING RATIOS FOR EXCITATION OF [NP5(N+1)S](1,3)P(0,1,2)DEGREES STATES IN NOBLE-GASES [J].

BARTSCHAT, K ;

MADISON, DH .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1992, 25 (21) :4619-4626

[3]

Bethe H, 1932, Z PHYS, V76, P293, DOI 10.1007/BF01342532

[4]

Bethe H, 1930, ANN PHYS-BERLIN, V5, P325

[5]

Cowan R D., 1981, The theory of atomic structure and spectra

[6] Differential cross section ratios for low-energy electron-impact excitation of the 4p55s levels of krypton -: sensitive tests of relativistic effects for heavy noble gases [J].

Guo, XZ ;

Khakoo, MA ;

Mathews, DF ;

Mikaelian, G ;

Crowe, A ;

Kanik, I ;

Trajmar, S ;

Zeman, V ;

Bartschat, K ;

Fontes, CJ .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1999, 32 (07) :L155-L163

[7] Differential cross sections for electron-impact excitation of krypton at low incident energies:: I.: Excitation of the 4p55s configuration [J].

Guo, XZ ;

Mathews, DF ;

Mikaelian, G ;

Khakoo, MA ;

Crowe, A ;

Kanik, I ;

Trajmar, S ;

Zeman, V ;

Bartschat, K ;

Fontes, CJ .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 2000, 33 (10) :1895-1919

[8] Differential cross sections for electron-impact excitation of krypton at low incident energies:: II.: Excitation of the 4p55p, 4p54d and 4p56s configurations [J].

Guo, XZ ;

Mathews, DF ;

Mikaelian, G ;

Khakoo, MA ;

Crowe, A ;

Kanik, I ;

Trajmar, S ;

Zeman, V ;

Bartschat, K ;

Fontes, CJ .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 2000, 33 (10) :1921-1933

[9] INELASTIC COLLISIONS OF FAST CHARGED PARTICLES WITH ATOMS AND MOLECULES - BETHE THEORY REVISITED [J].

INOKUTI, M .

REVIEWS OF MODERN PHYSICS, 1971, 43 (03) :297-&

[10] Absolute generalized oscillator strengths of 4s, 4s', 4p+4p' excitations of argon determined by the angle-resolved electron-energy-loss spectrometer [J].

Ji, Q ;

Wu, SL ;

Feng, RF ;

Zhang, XJ ;

Zhu, LF ;

Zhong, ZP ;

Xu, KZ ;

Zheng, Y .

PHYSICAL REVIEW A, 1996, 54 (04) :2786-2791