The Diogene 4π detector at Saturne

J. P. Alard, J. Arnold, J. Augerat, R. Babinet, N. Bastid, F. Brochard, J. P. Costilhes, M. Crouau, N. De Marco, M. Drouet, P. Dupieux, H. Fanet, Z. Fodor, L. Fraysse, J. Girard, P. Gorodetzky, J. Gosset, C. Laspalles, M. C. Lemaire, D. L'HôteB. Lucas, G. Montarou, A. Papineau, M. J. Parizet, J. Poitou, C. Racca, W. Schimmerling, J. C. Tamain, Y. Terrien, J. Valéro, O. Valette

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Abstract

Diogene, an electronic 4π detector, has been built and installed at the Saturne synchrotron in Saclay. The forward angular range (0°-6°) is covered by 48 time-of-flight scintillator telescopes that provide charge identification. The trajectories of fragments emitted at larger angles are recorded in a cylindrical 0.4-m3 Pictorial Drift Chamber (PDC) surrounding the target. The PDC is inside a 1-T magnetic field; the axis of the PDC cylinder and the magnetic field are parallel to the beam. Good identification has been obtained for both positive and negative π mesons and for hydrogen and helium isotopes. Multiplicities in relativistic nucleus-nucleus reactions up to 40 have been detected, limited mainly by the present electronics.

Original languageEnglish
Pages (from-to)379-398
Number of pages20
JournalNuclear Inst. and Methods in Physics Research, A
Volume261
Issue number3
DOIs
Publication statusPublished - Nov 15 1987

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

Cite this

Alard, J. P., Arnold, J., Augerat, J., Babinet, R., Bastid, N., Brochard, F., Costilhes, J. P., Crouau, M., De Marco, N., Drouet, M., Dupieux, P., Fanet, H., Fodor, Z., Fraysse, L., Girard, J., Gorodetzky, P., Gosset, J., Laspalles, C., Lemaire, M. C., ... Valette, O. (1987). The Diogene 4π detector at Saturne. Nuclear Inst. and Methods in Physics Research, A, 261(3), 379-398. https://doi.org/10.1016/0168-9002(87)90347-0