Release from ISOLDE molten metal targets under pulsed proton beam conditions

By moving the ISOLDE mass separators from the 600 MeV Synchrocyclotron (SC) to the 1 GeV Proton-Synchrotron-Booster (PS) [1] the instantaneous energy density of the proton beam went up by 3 orders of magnitude. The developments of the molten metal target units and the optimization of the PS proton b...

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Veröffentlicht in:Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Beam interactions with materials and atoms, 1997-04, Vol.126 (1), p.170-175
Hauptverfasser: Lettry, J., Catherall, R., Cyvoct, G., Drumm, P., Evensen, A.H.M., Lindroos, M., Jonsson, O.C., Kugler, E., Obert, J., Putaux, J.C., Sauvage, J., Schindl, K., Ravn, H., Wildner, E.
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Sprache:eng
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Zusammenfassung:By moving the ISOLDE mass separators from the 600 MeV Synchrocyclotron (SC) to the 1 GeV Proton-Synchrotron-Booster (PS) [1] the instantaneous energy density of the proton beam went up by 3 orders of magnitude. The developments of the molten metal target units and the optimization of the PS proton beam to cope with the effects of the thermal shocks induced by the proton beam are described. The energy density of the PS proton beam was reduced by spatial defocusing and time staggered extraction of the four PS-accelerators. The release from lanthanum, lead and tin targets is discussed for different settings of the proton beam and compared to the release observed at ISOLDE-SC. The yields of Hg isotopes are presented.
ISSN:0168-583X
1872-9584
1872-9584
0168-583X
DOI:10.1016/S0168-583X(96)01088-9