Pulse-height defect in the passivated ion-implanted Si detectors of the INDRA array

The pulse-height defect (PHD) of 36Ar, 58Ni, 129Xe, 181Ta and 197Au ions in the 180 passivated ion-implanted silicon detectors of the INDRA array has been measured. The detectors faced the target with the low electric field side. The charge encoding ensured a low ballistic deficit. Detectors with th...

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Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Vol. 428; no. 2; pp. 379 - 390
Main Authors: Tǎbǎcaru, G., Borderie, B., Ouatizerga, A., Pârlog, M., Rivet, M.F., Auger, G., Bacri, Ch.O., Bocage, F., Bougault, R., Brou, R., Buchet, Ph, Charvet, J.L., Chbihi, A., Colin, J., Cussol, D., Dayras, R., Demeyer, A., Doré, D., Durand, D., Ecomard, P., Frankland, J.D., Galichet, E., Genouin-Duhamel, E., Gerlic, E., Guinet, D., Lautesse, P., Laville, J.L., Fèvre, A.Le, Lefort, T., Legrain, R., Neindre, N.Le, Lopez, O., Louvel, M., Nalpas, L., Nguyen, A.D., Plagnol, E., Rosato, E., Saint-Laurent, F., Salou, S., Squalli, M., Steckmeyer, J.C., Stern, M., Tassan-Got, L., Tirel, O., Vient, E., Volant, C., Wieleczko, J.P.
Format: Journal Article
Language:English
Published: Elsevier B.V 1999
Elsevier
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Summary:The pulse-height defect (PHD) of 36Ar, 58Ni, 129Xe, 181Ta and 197Au ions in the 180 passivated ion-implanted silicon detectors of the INDRA array has been measured. The detectors faced the target with the low electric field side. The charge encoding ensured a low ballistic deficit. Detectors with the same nominal characteristics and electric field strength show a PHD dependence on the individual silicon wafer. They are classified and calibrated by using an empirical parametrization which relates the PHD to the total energy through a Z-depending power law. A PHD analytical formula, based on a simple recombination model, is also proposed. It considers a realistic charge density variation with the position coordinate on the ion path. This new formula is successfully confronted to some experimental data.
ISSN:0168-9002
1872-9576
DOI:10.1016/S0168-9002(99)00168-0