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Title

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

CollaborationWith : Blondel, Alain / Borghi, Silvia / Campanelli, Mario / Morone, Maria Cristina / Prior, Gersende / Schroeter, Raphaël
Published in European Physical Journal. C. 2008, vol. 53, no. 2, p. 177-204
Abstract A measurement of the double-differential π± production cross-section in proton–carbon, proton–copper and proton–tin collisions in the range of pion momentum 100 MeV/c≤p<800 MeV/c and angle 0.35 rad≤θ<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 GeV/c to 12 GeV/c 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 d2σ/dpdθ at four incident proton beam momenta (3 GeV/c, 5 GeV/c, 8 GeV/c and 12 GeV/c).
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HARP COLLABORATION. Large-angle production of charged pions by 3 GeV/c–12 GeV/c protons on carbon, copper and tin targets. In: European Physical Journal. C, 2008, vol. 53, n° 2, p. 177-204. https://archive-ouverte.unige.ch/unige:39193

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Deposited on : 2014-08-05

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