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Type: Journal article
Title: Charge symmetry tested by comparison of π⁺ and π⁻ elastic scattering from deuterium at 143 MeV
Other Titles: Charge symmetry tested by comparison of pi(+) and pi(-) elastic scattering from deuterium at 143 MeV
Author: Masterton, T.
Kraushaar, J.
Peterson, R.
Raymond, R.
Ristinen, R.
Boudrie, R.
Gibson, E.
Thomas, A.
Citation: Physical Review C: Nuclear Physics, 1982; 26(5):2091-2110
Publisher: American Physical Society
Issue Date: 1982
ISSN: 0556-2813
Statement of
T. G. Masterson, J. J. Kraushaar, R. J. Peterson, R. S. Raymond, R. A. Ristinen, R. L. Boudrie, E. F. Gibson, A. W. Thomas
Abstract: A sensitive test of nuclear charge symmetry has been made by comparing differential cross sections for π+ and π− elastic scattering from deuterium at 143 MeV. Residual charge symmetry breaking effects in the cross section ratio have been parametrized in terms of mass and width differences among the components of the Δ isobar. Accurate absolute π−d differential cross sections were measured for the first time and π+d differential cross sections agree well with other results and with three-body calculations. NUCLEAR REACTIONS H2(π+, π+), H2(π−, π−), Eπ=143 MeV, measured σ(θ). Magnetic spectrograph. Three-body analysis. Charge symmetry breaking parametrized in terms of Δ isobar mass and width differences.
Rights: © 1982 The American Physical Society
DOI: 10.1103/PhysRevC.26.2091
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