Time delay in negative ion photodetachment

被引：1

作者：

Banerjee, S. ^{[1
,2
]}

Aarthi, G. ^{[3
]}

Saha, S. ^{[1
,4
]}

Aravind, G. ^{[1
]}

Deshmukh, P. C. ^{[5
,6
,7
]}

机构：

[1] Indian Inst Technol Madras, Dept Phys, Madras 600036, India

[2] TCG Ctr Res & Educ Sci & Technol, Chennai 700016, Tamil Nadu, India

[3] JBAS Coll Women, Dept Phys, Chennai 600018, Tamil Nadu, India

[4] Stockholm Univ, AlbaNova Univ Ctr, Dept Phys, SE-10691 Stockholm, Sweden

[5] IIT Tirupati, Dept Phys, Tirupati 517506, Andhra Pradesh, India

[6] IIT Tirupati, CAMOST, Tirupati 517506, Andhra Pradesh, India

[7] Dayananda Sagar Univ, Dept Phys, Bengaluru 560114, India

来源：

PHYSICA SCRIPTA | 2021年 / 96卷 / 11期

关键词：

photodetachment; Wigner time delay; angular dependence; PHOTOIONIZATION CROSS-SECTIONS; RANDOM-PHASE-APPROXIMATION; PHOTON ENERGY; 3D; PHOTOEMISSION; KRYPTON; 4S; 4P;

D O I：

10.1088/1402-4896/ac14e4

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Time delay in photodetachment has been investigated for few negative ions, Cl-, Br-, I-, and Li-. Very few studies on photodetachment time delay for negative ions are present till date and have been reviewed briefly in the present article. Different many body formalisms, like RRPA, RRPA-R and RMCTD, have been employed to obtain new results on photodetachment time delay, accounting for important electron correlations present in the negative ions studied here. Results on time delay show significant angle dependence near the threshold region, at shape resonance and at Cooper minimum region.

引用

页数：9

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