Geodesic
Use of harmonic oscillator potential for the phase shift and resonance states parameters calculations
Čebyševskij sbornik, Tome 12 (2011) no. 3, pp. 106-112

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The possibility of the modified harmonic oscillator potential using for stabilization calculations of phase shift and resonance states parameters is investigated. It is demonstrated for simple models that this method provides the estimation of phase shift and resonance parameters with the relative errors about 1%. 
@article{CHEB_2011_12_3_a10,
     author = {A. A. Preobrazhenskaya and D. D. Kharlampidi and S. O. Adamson and A. I. Dementiev},
     title = {Use of harmonic oscillator potential for the phase shift and resonance states parameters calculations},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {106--112},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2011_12_3_a10/}
}
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A. A. Preobrazhenskaya; D. D. Kharlampidi; S. O. Adamson; A. I. Dementiev. Use of harmonic oscillator potential for the phase shift and resonance states parameters calculations. Čebyševskij sbornik, Tome 12 (2011) no. 3, pp. 106-112. http://geodesic.mathdoc.fr/item/CHEB_2011_12_3_a10/