A highly-segmented ΔE-time-of-flight wall as forward detector of the 4π-system for charged particles at the SIS/ESR accelerator

A. Gobbi, J. P. Alard, G. Augustinski, Z. Basrak, N. Bastid, I. M. Belayev, Th Blaich, P. Boccaccio, R. Bock, S. Boussange, A. Buta, R. Čaplar, C. Cerruti, R. J. Charity, N. Cindro, J. P. Coffin, M. Crouau, F. Daudon, J. F. Devin, P. DupieuxJ. Erö, Z. G. Fan, C. Fayard, P. Fintz, Z. Fodor, L. Fraysse, R. Freifelder, S. Frolov, E. Gimenez, Y. Grigorian, G. Guillaume, N. Herrmann, K. D. Hildenbrand, S. Hölbling, F. Hornecker, A. Houari, S. C. Jeong, M. Jorio, F. Jundt, J. Kecskeméti, P. Koncz, Y. Korchagin, R. Kotte, M. Krämer, C. Kuhn, A. Lebedev, I. Legrand, C. F. Maguire, V. Manko, M. Marquardt, T. Matulewicz, S. Mayade, G. Mgebrishvili, J. Mösner, D. Moisa, G. Montarou, I. Montbel, P. Morel, W. Neubert, R. Neunlist, G. Ortlepp, D. Pelte, M. Petrovici, F. Rami, W. Reisdorf, M. A. Saettel, E. Sahuc, G. Savinel, Z. Seres, D. Schüll, B. Sikora, V. Simion, S. Smolyankin, U. Sodan, M. H. Tanaka, K. M. Teh, R. Tezkratt, B. Tischler, M. Trzaska, M. A. Vasiliev, D. Vincent, P. Wagner, J. Weinert, J. P. Wessels, T. Wienold, Z. Wilhelmi, D. Wohlfarth, A. V. Zhilin

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Abstract

At the SIS/ESR accelerator facility at GSI in Darmstadt the 4π-detector system FOPI is under construction at present. It is designed for the investigation of central collisions of heavy ions in the energy range up to 2 A GeV. As phase I of this detector a forward wall has been built and used in various experiments. It comprizes a total number of 764 scintillators with an additional shell of 188 thin ΔE-detectors in front of it and covers the full azimuth of the polar angles from 1° to 30°. The velocity and the nuclear charge of the fragments are determined by a combined time-of-flight and ΔE measurement.

Original languageEnglish
Pages (from-to)156-176
Number of pages21
JournalNuclear Inst. and Methods in Physics Research, A
Volume324
Issue number1-2
DOIs
Publication statusPublished - Jan 1 1993

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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    Gobbi, A., Alard, J. P., Augustinski, G., Basrak, Z., Bastid, N., Belayev, I. M., Blaich, T., Boccaccio, P., Bock, R., Boussange, S., Buta, A., Čaplar, R., Cerruti, C., Charity, R. J., Cindro, N., Coffin, J. P., Crouau, M., Daudon, F., Devin, J. F., ... Zhilin, A. V. (1993). A highly-segmented ΔE-time-of-flight wall as forward detector of the 4π-system for charged particles at the SIS/ESR accelerator. Nuclear Inst. and Methods in Physics Research, A, 324(1-2), 156-176. https://doi.org/10.1016/0168-9002(93)90974-M