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Large-angle production of charged pions by 3 GeV/c - 12 GeV/c protons on carbon, copper and tin targets

Abstract : A measurement of the double-differential $\pi^{\pm}$ production cross-section in proton--carbon, proton--copper and proton--tin collisions in the range of pion momentum $100 \MeVc \leq p < 800 \MeVc$ and angle $0.35 \rad \le \theta <2.15 \rad$ is presented. The data were taken with the HARP detector in the T9 beam line of the CERN PS. The pions were produced by proton beams in a momentum range from 3 \GeVc to 12 \GeVc hitting a target with a thickness of 5% of a nuclear interaction length. The tracking and identification of the produced particles was done using a small-radius cylindrical time projection chamber (TPC) placed in a solenoidal magnet. An elaborate system of detectors in the beam line ensured the identification of the incident particles. Results are shown for the double-differential cross-sections at four incident proton beam momenta (3 \GeVc, 5 \GeVc, 8 \GeVc and 12 \GeVc).
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http://hal.in2p3.fr/in2p3-00177687
Contributor : Dominique Girod <>
Submitted on : Monday, October 8, 2007 - 8:30:20 PM
Last modification on : Thursday, November 5, 2020 - 9:40:06 AM

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M.G. Catanesi, E. Radicioni, R. Edgecock, M. Ellis, F.J.P. Soler, et al.. Large-angle production of charged pions by 3 GeV/c - 12 GeV/c protons on carbon, copper and tin targets. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2008, 53, pp.177-204. ⟨10.1140/epjc/s10052-007-0475-4⟩. ⟨in2p3-00177687⟩

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