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Forward production of charged pions with incident protons on nuclear targets at the CERN Proton Synchrotron

CollaborationWith : Blondel, Alain / Borghi, Silvia / Morone, Maria Cristina / Prior, Gersende / Schroeter, Raphaël
Published in Physical Review. C. 2009, vol. 80, no. 03, p. 035208
Abstract Measurements of the double-differential π± production cross section in the range of momentum 0.5⩽p⩽8.0 GeV/c and angle 0.025⩽θ⩽0.25 rad in collisions of protons on beryllium, carbon, nitrogen, oxygen, aluminum, copper, tin, tantalum, and lead are presented. The data were taken with the large-acceptance HAdRon Production (HARP) detector in the T9 beamline of the CERN Proton Synchrotron. Incident particles were identified by an elaborate system of beam detectors. Thin targets of 5% of a nuclear interaction length were used. The tracking and identification of the produced particles were performed using the forward system of the HARP experiment. Results are obtained for the double-differential cross sections d2σ/dp dΩ mainly at four incident proton beam momenta (3, 5, 8, and 12 GeV/c). Measurements are compared with the GEANT4 and MARS Monte Carlo generators. A global parametrization is provided as an approximation of all the collected datasets, which can serve as a tool for quick yield estimates.
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HARP COLLABORATION. Forward production of charged pions with incident protons on nuclear targets at the CERN Proton Synchrotron. In: Physical Review. C, 2009, vol. 80, n° 03, p. 035208. https://archive-ouverte.unige.ch/unige:39671

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Deposited on : 2014-08-25

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