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2 results on '"L.P. Mapelli"'

1. A measurement of π+p backward elastic differential cross sections from 1.282 to 2.472 GeV/c

Author

G.D. Hallewell, D.C. Lowe, S. M. Fisher, I.F. Corbett, E. Arik, B. Pollock, C.J. Brankin, L.P. Mapelli, M.G. Green, Ahmad Shirani, K.J. Peach, L.R. Scotland, D.R.S. Boyd, D.J. Candlin, P.J. Litchfield, and G.S. Ioannidis

Subjects
Momentum, Physics, Elastic scattering, Nuclear and High Energy Physics, Particle physics, Pion, Meson, Scattering, Nuclear cross section, Scattering length, Nucleon
Abstract

New high-statistics measurements of π + p elastic scattering differential cross sections are presented at 30 momentum points between 1.282 and 2.472 GeV/ c , covering most of the angular distribution outside the forward diffractive peak. These data show significant disagreements at some momenta with previous high-statistics experiments and with current partial wave analyses.

Published
1984
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2. Differential cross section and polarisation for π+p→K+Σ+ at 26 momenta between 1.282 and 2.473 GeV/c

Author

D.C. Lowe, D.R.S. Boyd, L.P. Mapelli, B. Pollock, I.F. Corbett, K.J. Peach, D.J. Candlin, C.J. Brankin, Ahmad Shirani, S.M. Fisher, G.D. Hallewell, P.J. Litchfield, G.S. Ioannidis, E. Arik, L.R. Scotland, and M.G. Green

Subjects
Nuclear physics, Momentum, Physics, Baryon, Nuclear and High Energy Physics, Meson, Hadron, Hyperon, Elementary particle, Nuclear Experiment, Legendre polynomials, Boson
Abstract

Differential cross sections and polarisations in the reaction π + p→K + Σ + have been measured using the Rutherford Multiparticle Spectrometer at NIMROD. Data are presented at 26 momentum points at approximately 50 MeV/ c intervals in the range 1.282 to 2.473 GeV/ c with an order of magnitude more events than previous experiments. Legendre polynomial expansion coefficients have also been determined.

Published
1983

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