Photodetachment study of the 1s3s4s(4)S resonance in He-

被引：17

作者：

Klinkmuller, AE

Haeffler, G

Hanstorp, D

Kiyan, IY

Berzinsh, U

Ingram, CW

Pegg, DJ

Peterson, JR

机构：

[1] CHALMERS UNIV TECHNOL, S-41296 GOTHENBURG, SWEDEN

[2] UNIV TENNESSEE, DEPT PHYS, KNOXVILLE, TN 37996 USA

[3] SRI INT, DEPT MOL PHYS, MENLO PK, CA 94025 USA

[4] RUSSIAN ACAD SCI, INST GEN PHYS, MOSCOW 117942, RUSSIA

[5] LATVIAN STATE UNIV, INST ATOM PHYS & SPECT, LV-1586 RIGA, LATVIA

[6] UNIV VIRGINIA, DEPT PHYS, JESSE W BEAMS LAB PHYS, CHARLOTTESVILLE, VA 22901 USA

来源：

PHYSICAL REVIEW A | 1997年 / 56卷 / 04期

关键词：

D O I：

10.1103/PhysRevA.56.2788

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A Feshbach resonance associated with the 1s3s4s(4)S state of He- has been observed in the He(1s2s(3)S) + e(-) (epsilon s) partial photodetachment cross section. The residual He(1s2s(3)S) atoms were resonantly ionized and the resulting He+ ions were detected in the presence of a small background. A collinear laser-ion beam apparatus was used to attain both high resolution and sensitivity. We measured a resonance energy E-r = 2.959 255(7) eV and a width Gamma = 0.19(3) meV, in agreement with a recent calculation.

引用

收藏

页码：2788 / 2791

页数：4

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