DISTORTION OF THE PION WAVE-FUNCTION AND THE DCX REACTION

Citation
A. Bobyk et al., DISTORTION OF THE PION WAVE-FUNCTION AND THE DCX REACTION, Journal of physics. G, Nuclear and particle physics, 23(3), 1997, pp. 375-383
Citations number
48
Categorie Soggetti
Physics, Particles & Fields","Physics, Nuclear
ISSN journal
09543899
Volume
23
Issue
3
Year of publication
1997
Pages
375 - 383
Database
ISI
SICI code
0954-3899(1997)23:3<375:DOTPWA>2.0.ZU;2-P
Abstract
Effects of the distortion of the pion wavefunction in the pionic doubl e charge exchange on Te-128,Te-130 are studied in the framework of the pion-nucleus optical potential and in the proton-neutron quasiparticl e random phase approximation. The agreement of the calculated p-wave c ross section with existing experimental data is improved with respect to the plane wavefunction results. The resonant behaviour of the (pi(), pi(-)) cross section at 50 MeV is analysed.