Wigner time delay in quadrupole photoionization channels of atomic Hg

29th International Conference on Photonic, Electronic, and Atomic Collisions

Mandal, Ankur^1 ; Saha, Soumyajit^1 ; Banerjee, Tanima^1 ; Deshmukh, Pranawa C.^1 ; Kheifets, Anatoli^2 ; Dolmatov, Valeriy K.^3 ; Manson, Steven T.^4

Department of Physics, Indian Institute of Technology Madras, Chennai

600036, India^1

Research School of Physics and Engineering, Australian National University, Canberra

ACT

0200, Australia^2

Department of Physics and Earth Science, University of Northern Alabama, Florence

AL

35632, United States^3

Department of Physics and Astronomy, Georgia State University, Atlanta

30303, United States^4

关键词: Cooper minima;    Interchannel coupling;    Large time delay;    Quadrupoles;    Relativistic random-phase approximation;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/635/9/092097/pdf
DOI  :  10.1088/1742-6596/635/9/092097

来源: IOP

【 摘 要 】

Time delay in quadrupole (E2) channels is studied in atomic Hg using the Relativistic Random Phase Approximation. Interchannel coupling is found to be extremely important and large time delays are found in the region of quadrupole (E2) Cooper minima.