NA4

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NA4 (also BCDMS and MUON SC. ) Was an experiment at the Super Proton Synchrotron at CERN , which was carried out from 1975 to 1985 and completed in 1995. The aim was to research the inclusive deep inelastic scattering of muons . Spokespersons for the collaboration were Carlo Rubbia (1976–1980), Crtomir Zupancic (1980–1982), Arnold Staude (1982–1984) and Rüdiger Voss from the Ludwig Maximilians University of Munich (1984–1992).

construction

Core component of the spectrometer was an about 55-meter long, multi-component, magnetized iron - torus with a cutout in the middle for the samples. Each component was 5.25 meters long and separated from the next component by a gap of 40 to 60 centimeters. In addition to the iron cylinder, each component contained a separate sample of hydrogen , deuterium, or carbon . In addition, each component block included multi-wire proportional chambers and triggers to determine the orbit of the muons. In each space there was a filling system for the samples as well as hodoscopes . The magnetic field inside the torus was almost constant and reached 2 Tesla .

Web links

Individual evidence

  1. ^ BCDMS Homepage , accessed on April 6, 2016.
  2. Crtomir Zupancic , personal data , accessed on April 6, 2016
  3. ^ Rüdiger Voss , personal data, accessed on April 6, 2016
  4. NA4 (MUON SC.) - Inclusive Deep-Inelastic Muon Scattering. CERN, accessed November 26, 2012 .
  5. D. Bollini et al .: A high luminosity spectrometer for deep inelastic muon scattering experiments . In: Nucl. Instr. Meth . 204, No. 2-3, 1983, pp. 333-349. doi : 10.1016 / 0167-5087 (83) 90063-7 .