CERN Accelerating science

Article
Title A measurement of the polarization parameter in backward $\pi^{-}p$ elastic scattering at 3.5 GeV/c
Author(s) Birsa, R ; Bradamante, Franco ; Conetti, S (Mcgill U.) ; Daum, C (FOM, Amsterdam) ; Fidecaro, Giuseppe ; Fidecaro, Maria ; Giorgi, M ; Penzo, Aldo L ; Piemontese, L ; Schiavon, Paolo ; Vascotto, Alessandro ; Villari, Attilio
Affiliation (CERN) ; (Trieste, Italy)
Publication 1976
In: Nucl. Phys. B 117 (1976) 77-94
DOI 10.1016/0550-3213(76)90564-2
Subject category Particle Physics - Phenomenology
Accelerator/Facility, Experiment CERN PS ; S126
Abstract The polarization parameter has been measured for pi /sup -/p elastic scattering in the backward region at 3.5 GeV/c incident momentum. The experimental set-up consisted of a polarized target in a spectrometer magnet, hodoscopes and wire spark chambers. Data are presented for the range -0.95<u<or=-0.19 GeV/sup 2/. An isospin analysis has been carried out to separate the I/sub u/=/sup 1///sub 2/ and I/sub u/=/sup 3///sub 2/ contributions. (18 refs).

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