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Becker, H.; Blum, W.; Chabaud, V.
Proceedings of the 18. international conference on high energy physics. Vol. 11977
Proceedings of the 18. international conference on high energy physics. Vol. 11977
AbstractAbstract
[en] Preliminary results from a high statistics measurements of the π- p → n π+ π- reaction on a polarized target at 17.2 GeV show unexpectedly strong nucleon polarization effects. If it is due to the exchange of an additional particle, this object has the quantum number of the A1. Possibly, it can also be explained (similarity to the helicity one moments in one pion exchange) by final-state interaction. The problem is of particular interest for PI PI scattering as A1 exchange has been assumed to be absent in all PI PI phase shift analysis. A continuation of the unfinished analysis will hopefully clarify the situation
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Joint Inst. for Nuclear Research, Dubna (USSR); p. C27-C30; 1977; 18. international conference on high energy physics; Tbilisi, USSR; 15 - 21 Jul 1976; 4 refs.; 4 figs.
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ANTIMATTER, ANTIMESONS, ANTIPARTICLES, BARYONS, BOSONS, CROSS SECTIONS, ELEMENTARY PARTICLES, ENERGY RANGE, FERMIONS, GEV RANGE, HADRON-HADRON INTERACTIONS, HADRONS, INTERACTIONS, LINEAR MOMENTUM, MATTER, MESON-BARYON INTERACTIONS, MESON-NUCLEON INTERACTIONS, MESONS, NUCLEONS, ORIENTATION, PARTICLE INTERACTIONS, PARTICLE PROPERTIES, PION-NUCLEON INTERACTIONS, PION-PROTON INTERACTIONS, PIONS, PSEUDOSCALAR ANTIMESONS, PSEUDOSCALAR MESONS, SPECTRA
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