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

De Santo, Antonella (2008) Large-angle production of charged pions by 3-12.9 GeV/c protons on beryllium, aluminium and lead targets. European Physical Journal C: Particles and Fields, 54 (1). pp. 37-60. ISSN 1434-6044

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Abstract

Measurements 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.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Subjects: Q Science > QC Physics
Depositing User: Antonella DeSanto
Date Deposited: 06 Feb 2012 19:15
Last Modified: 18 Jul 2012 10:42
URI: http://sro.sussex.ac.uk/id/eprint/19784
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