| Autor: |
Ahmad, Nissar, Wani, A. A., Ram, R., Abhilash, S. R., Kumar, Rakesh, Patnaik, J. K., De, Sankar, Karn, R. K., Nandi, T. |
| Předmět: |
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| Zdroj: |
Review of Scientific Instruments; Mar2006, Vol. 77 Issue 3, p033107, 6p, 4 Diagrams, 1 Chart, 3 Graphs |
| Abstrakt: |
A facility for lifetime measurement of metastable states in highly charged ions using the beam-foil technique with a single-foil and a two-foil target has been developed. In the two-foil technique, one foil moves with respect to the other and the option of varying the thickness of the fixed foil online has been implemented. A holder with multiple foils is used as a fixed target, and moved along x, y, and θ, the angle of rotation with respect to beam direction along the z axis. Using this facility, the He-like 1s2p 3P2o and Li-like 1s2s2p 4P5/2o titanium lifetimes have been measured and compared with earlier values. In addition to this, the processes which occur when excited states collide with carbon foils of different thicknesses have also been investigated. Preliminary results suggest the scope of studying intrashell transitions during ion-solid collision using this setup. In this article, the setup is described in detail and representative results are briefly discussed. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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