Measuring the 2D3/2 Ni- excited state lifetime in DESIREE

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

Chartkunchand, K.C.^1 ; Hole, O.M.^2 ; Bäckström, E.^2 ; Nascimento, R.F.^2 ; Kaminska, M.^2 ; Davis, V.T.^1 ; Neill, P.A.^1 ; Thomas, R.D.^2 ; Mannervik, S.^2 ; Thompson, J.S.^1 ; Hanstorp, D.^3 ; Schmidt, H.T.^2 ; Cederquist, H.^2

Department of Physics, University of Nevada, Reno

NV

89557, United States^1

Department of Physics, Stockholm University, Stockholm

SE-106 91, Sweden^2

Department of Physics, University of Gothenburg, St.Gothenburg

SE-412 96, Sweden^3

关键词: Cryogenic temperatures;    Excited state lifetimes;    Photo-detachment;    Photon energy;    Preliminary analysis;    Production yield;    Radiative lifetime;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/635/9/092142/pdf
DOI  :  10.1088/1742-6596/635/9/092142

来源: IOP

【 摘 要 】

Experimental studies of the radiative lifetime of the sole excited state in the nickel anion are presented. Beams of Ni-stored in DESIREE at cryogenic temperatures were subject to photodetachment at different photon energies and the resulting neutrals collected. Preliminary analysis of the decay in neutral production yields a radiative lifetime of approximately 15 seconds for the 3d94s2 2D3/2excited state.