Calibration of BAS-TR image plate response to GeV gold ions
- Doria, D.
- Martin, P.
- Ahmed, H.
- Alejo, A.
- Cerchez, M.
- Ferguson, S.
- Fernandez-Tobias, J.
- Green, J. S.
- Gwynne, D.
- Hanton, F.
- Jarrett, J.
- Maclellan, D. A.
- McIlvenny, A.
- McKenna, P.
- Ruiz, J. A.
- Swantusch, M.
- Willi, O.
- Zhai, S.
- Borghesi, M.
- Kar, S.
DOIAbstract
The response of the BAS-TR image plate (IP) was absolutely calibrated using a CR-39 track detector for high linear energy transfer Au ions up to ∼1.6 GeV (8.2 MeV/nucleon), accelerated by high-power lasers. The calibration was carried out by employing a high-resolution Thomson parabola spectrometer, which allowed resolving Au ions with closely spaced ionization states up to 58+. A response function was obtained by fitting the photo-stimulated luminescence per Au ion for different ion energies, which is broadly in agreement with that expected from ion stopping in the active layer of the IP. This calibration would allow quantifying the ion energy spectra for high energy Au ions, which is important for further investigation of the laser-based ...
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