|Author||Dayton, B. ♦ Koch, W. ♦ Nikolic, M. ♦ Winzeler, H.|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||PHYSICS ♦ ANGULAR DISTRIBUTION ♦ CERN ♦ CONFIGURATION ♦ CURRENTS ♦ ENERGY RANGE ♦ MEASURED VALUES ♦ MOTION ♦ NUCLEAR EMULSIONS ♦ NUMERICALS ♦ OPTICAL SYSTEMS ♦ PROTON BEAMS ♦ PULSES ♦ SCATTERING ♦ SYNCHROTRONS ♦ TARGETS|
|Abstract||Trajectories of the exteral beam of the CERN proton synchrotron in the horizontal plane were calculated and show a moderate defocusing. The vertical motion, obtained for three trajectories by graphical piece-wise integration, show positive focusing. These predictions on particle directions were checked on nuclear emulsions placed in arrays at several distances from the target. At 19 m from the target, the observed focal point for the horizontal flux distribution is precisely the calculated value. Vertical profiles of the scattered proton flux at 37 m distance shows the most nearly parallel beam corresponds to a scattering angle of 28 mradians. A target diagram giving the angular distribution in space of scattered 24-Bev protons indicates that half the tracks lie within a space angle of 1 mradian from the average direction. The beam intensity at 90 m from the target is as high as 4000 protons/cm/sup 2/ per pulse. (J.S.R.)|
|Learning Resource Type||Article|
|Journal||Helvetica Physica Acta|
|Organization||Universitat, Bern, Switzerland|
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