• Medientyp: E-Artikel
  • Titel: Spectator Detection for the Measurement of Proton-Neutron Interactions at ANKE
  • Beteiligte: Lehmann, I. [VerfasserIn]; Barsov, S. [VerfasserIn]; Protic, D. [VerfasserIn]; Ströher, H. [VerfasserIn]; Trusov, S. [VerfasserIn]; Wüstner, P. [VerfasserIn]; Schleichert, R. [VerfasserIn]; Wilkin, C. [VerfasserIn]; Drochner, M. [VerfasserIn]; Hartmann, M. [VerfasserIn]; Hejny, V. [VerfasserIn]; Merzliakov, S. [VerfasserIn]; Mikirtychiants, S. [VerfasserIn]; Mussgiller, A. [VerfasserIn]
  • Erschienen: North-Holland Publ. Co., 2004
  • Erschienen in: Nuclear instruments & methods in physics research / A 530, 275 - 285 (2004). doi:10.1016/j.nima.2004.04.227
  • Sprache: Englisch
  • DOI: https://doi.org/10.1016/j.nima.2004.04.227
  • ISSN: 0168-9002
  • Schlagwörter: p: semiconductor detector ; p n --> deuteron pi0 ; p deuteron: interaction ; Juelich COSY PS ; p n: interaction ; target: internal ; beam monitoring: polarization ; beam monitoring: luminosity ; position sensitive silicon telescope ; total cross section ; proton-neutron quasi-free interactions ; proton spectator detection ; p: spectator
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  • Beschreibung: A telescope of three silicon detectors has been installed close to the internal target position of the ANKE spectrometer, which is situated inside the ultra-high vacuum of the COSYJulich light-ion storage ring. The detection and identification of slow protons and deuterons emerging from a deuterium cluster-jet target thus becomes feasible. A good measurement of the energy and angle of such a spectator proton (p(sp)) allows one to identify a reaction as having taken place on the neutron in the target and then to determine the kinematical variables of the ion-neutron system on an event-by-event basis over a range of c.m. energies.The system has been successfully tested under laboratory conditions. By measuring the spectator proton in the pd-->p(sp)dpi(0) reaction in coincidence with a fast deuteron in the ANKE Forward Detector, values of the pn-->dpi(0) total cross-section have been deduced. Further applications of the telescope include the determination of the luminosity and beam polarisation which are required for several experiments. (C) 2004 Elsevier B.V. All rights reserved.
  • Zugangsstatus: Freier Zugang