2007/09/21 by M G Catanesi, HARP Collaboration, E. Radicioni +90
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle Detector Development and Performance #Particle physics theoretical and experimental studies #hep-ex
paper · pdf · doi:10.1140/epjc/s10052-007-0475-4
published as Eur.Phys.J.C53:177-204,2008
arxiv created 2007/09/21 · openalex publication_date 2007/11/29 · arxiv updated 2012/08/27 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/01
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 d 2 σ/dpdθ at four incident proton beam momenta (3 GeV/ c , 5 GeV/ c , 8 GeV/ c and 12 GeV/ c ).