An experiment was done in the external proton beam of the Berkeley 184-in. cyclotron to measure the production cross sections for pions from various target nuclei, from hydrogen to lead. The cross-section data are presented and the reaction mechanisms discussed. The hydrogen production appears to fit the one-pion-exchange model.
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We report on double-differential inclusive cross-sections of the production of secondary protons, charged pions, and deuterons, in the interactions with a 5% nuclear interaction length thick stationary carbon target, of proton and pion beams with momentum from \pm 3 GeV/c to \pm 15 GeV/c. Results are given for secondary particles with production angles between 20 and 125 degrees. Cross-sections on carbon nuclei are compared with cross-sections on beryllium, copper, tantalum and lead nuclei.
The measured deuteron to proton ratios for each of the 8 GeV Proton, PI+ and PI- beams for the angular range 20 to 30 degrees.
The measured deuteron to proton ratios for each of the 8 GeV Proton, PI+ and PI- beams for the angular range 30 to 45 degrees.
The measured deuteron to proton ratios for each of the 8 GeV Proton, PI+ and PI- beams for the angular range 45 to 60 degrees.
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Axis error includes +- 0.0/0.0 contribution (?////DUE TO UNACCURASY IN OUTGOING PARTICLES MOMENTUM).
Axis error includes +- 0.0/0.0 contribution (?////DUE TO UNACCURASY IN OUTGOING PARTICLES MOMENTUM).
Axis error includes +- 0.0/0.0 contribution (?////DUE TO UNACCURASY IN OUTGOING PARTICLES MOMENTUM).
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PRELIMINARY DATA.
PRELIMINARY DATA.
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Measurements of the invariant cross sections for the reaction p(400 GeV)+(Li6, Be,C,Al,Cu,Ta)→(π±, K±)+X at laboratory angles from 70° to 160° are reported. Upper limits for p¯ production are given. Comparisons of the data are made using several scaling variables. NUCLEAR REACTIONS Inclusive cross section; 400 GeV incident protons; Li6, Be, C, Al, Cu, Ta targets; production of π, K, and p¯; lab angles 70° to 160°.
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