Journal Article

PreJuSER-33564

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Meson Model for f0 (980) production in peripheral pion nucleon reactions

Sassen, F.FZJ* ; Krewald, S.FZJ* ; Speth, J.FZJ*

2003
Soc. [S.l.]

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Please use a persistent id in citations: http://hdl.handle.net/2128/1679  doi:10.1103/PhysRevD.68.036003

Abstract: The Julich model for pipi 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 pi(-)p-->pi(0)pi(0)n 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 f(0)(980) resonance is explained in our analysis as an interference effect between the resonance and the nonresonant background.

Keyword(s): pi- p: inelastic scattering ; peripheral ; pi0: pair production ; partial wave ; f0(980): hadroproduction ; differential cross section: momentum transfer ; mass spectrum: (2pi0) ; K0: pair production ; mass spectrum: (2K0) ; numerical calculations ; interpretation of experiments: Brookhaven PS ; pi- p --> n 2pi0 ; 18.3 GeV

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Institut 3 (Theoretische Kernphysik) (IKP-TH)

Research Program(s):

1. Physik der Hadronen (M01)

Appears in the scientific report 2003
Notes: This version is available at the following Publisher URL: http://prd.aps.org

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