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Title

Large-angle production of charged pions by 3-12.9 GeV/c protons on beryllium, aluminium and lead targets

AuthorsHARP Collaboration; Catanesi, M. G.; Apollonio, M.; Burguet Castell, Jordi; Cervera Villanueva, Anselmo ; Gómez Cadenas, Juan José ; Martín-Albo, Justo ; Novella, Pau ; Sorel, Michel
Issue DateMar-2008
PublisherSpringer
CitationEuropean Physical Journal C - Particles and Fields 54 (1): 37-60 (2008)
AbstractMeasurements of the double-differential pi(+/-) production cross-section in the range of momentum 100 MeV/c <= p < 800 MeV/c and angle 0.35 rad <= theta < 2.15 rad in proton-beryllium, proton-aluminium and proton-lead collisions are 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 12.9 GeV/c hitting a 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 (TPC) 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/dpd theta at six incident proton beam momenta (3 GeV/c, 5 GeV/c, 8 GeV/c, 8.9 GeV/c (Be only), 12 GeV/c and 12.9 GeV/c (Al only)) and compared to previously available data.
Publisher version (URL)http://dx.doi.org/10.1140/epjc/s10052-007-0517-y
URIhttp://hdl.handle.net/10261/42706
DOI10.1140/epjc/s10052-007-0517-y
ISSN1434-6044
Appears in Collections:(IFIC) Artículos
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