FOCUS installation for study deep inelastic nuclear reactions

Yu D. Bayukov, B. M. Bobchenko, V. B. Gavrilov, N. A. Goryainov, Yu G. Grishchuk, O. B. Gushchin, E. A. Doroshkevich, L. S. Vorob'ev, Yu V. Efremenko, A. S. Zhokin, V. V. Zhurkin, M. V. Kosov, S. G. Kuznetsov, S. V. Kuleshov, L. I. Kuleshova, G. A. Leksin, N. A. Pivnyuk

Research output: Contribution to journalArticlepeer-review

Abstract

The hadron beam was formed at the Focus installation (FOrward particle and CUmulative particle Spectrometer) with two objective doublets and two magnets of achromatic magnetic path. To ascertain the hadron pulse in beam first focus where the achromatic dispersion was maximum the hodoscope of four non-selfquenched permitted to separate seven regions of passage of incident particle through first focus. Each of them was equal to 6 mm. The exposures were performed at negative and positive charged particle beams at 1.39 and 3.15 GeV per s pulses. To separate protons and pions in positive hadron beam the hadron time-of-flight based on 15 m was measured. The nuclear targets of Al, Ti, Fe, and PB were exposed at the installation in positive and negative hadron beam at 1.39 and 3.15 GeV per s pulses. As a result the information on A (π, ππ)-reaction with large pulses transmitted to nucleus was obtained as well as on cumulative particle spectrum function of energy losses of leading particle in nucleus and on cumulative πN-resonance yield.
Original languageEnglish
Pages (from-to)50-54
Number of pages5
JournalPribory i Tekhnika Eksperimenta
Publication statusPublished - 1 Sep 1991
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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