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Type: Journal article
Title: Meson model for f₀(980) production in peripheral pion-nucleon reactions
Other Titles: Meson model for f(0)(980) production in peripheral pion-nucleon reactions
Author: Sassen, F.
Krewald, S.
Speth, J.
Thomas, A.
Citation: Physical Review D: Particles, Fields, Gravitation and Cosmology, 2003; 68(3):036003-1-036003-5
Publisher: American Physical Soc
Issue Date: 2003
ISSN: 1550-7998
Statement of
F. P. Sassen, S. Krewald, and J. Speth, A. W. Thomas
Abstract: The Jülich model for ππ scattering, based on an effective meson-meson Lagrangian, is applied to the analysis of the S-wave production amplitudes derived from the BNL E852 experiment π-p→π0π0n for a pion momentum of 18.3 GeV and the GAMS experiments performed at 38 GeV and 100 GeV. The unexpected strong dependence of the S-wave partial wave amplitude on the momentum transfer between the proton and neutron in the vicinity of the f0(980) resonance is explained in our analysis as an interference effect between the resonance and the nonresonant background.
Rights: ©2003 American Physical Society
DOI: 10.1103/PhysRevD.68.036003
Appears in Collections:Aurora harvest 7
Special Research Centre for the Subatomic Structure of Matter publications

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