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Title

Large-angle production of charged pions with incident pion beams on nuclear targets

AuthorsHARP Collaboration; Burguet Castell, Jordi; Cervera Villanueva, Anselmo ; Gómez Cadenas, Juan José ; Martín-Albo, Justo ; Novella, Pau ; Sorel, Michel ; Apollonio, M.; Catanesi, M. G.
Issue Date29-Dec-2009
PublisherAmerican Physical Society
CitationPhysical Review - Section C - Nuclear Physics 80 (6): 065207 (2009)
AbstractMeasurements of the double-differential pi(+/-) production cross section in the range of momentum 100 <= p <= 800 MeV/c and angle 0.35 <=theta <= 2.15 rad using pi(+/-) beams incident on beryllium, aluminum, carbon, copper, tin, tantalum, and lead targets are presented. The data were taken with the large-acceptance hadron production (HARP) detector in the T9 beam line of the CERN Proton Synchrotron. The secondary pions were produced by beams in a momentum range from 3 to 12.9GeV/c hitting a solid target with a thickness of 5% of a nuclear interaction length. The tracking and identification of the produced particles was performed using a small-radius cylindrical time projection chamber placed inside a solenoidal magnet. Incident particles were identified by an elaborate system of beam detectors. Results are obtained for the double-differential cross sections d(2)sigma/dp d theta at six incident-beam momenta. Data at 3,5,8, and 12GeV/c are available for all targets, while additional data at 8.9 and 12.9GeV/c were taken in positive particle beams on Be and Al targets, respectively. The measurements are compared with several generators of GEANT4 and the MARS Monte Carlo simulation.
Publisher version (URL)http://dx.doi.org/ 10.1103/PhysRevC.80.065207
URIhttp://hdl.handle.net/10261/24534
DOI10.1103/PhysRevC.80.065207
ISSN0556-2813
Appears in Collections:(IFIC) Artículos
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