Summary
The manifold phase-shift ambiguities leading to the same elastic differential cross-section are investigated in the case of amplitudes having a finite number of partial waves. ForL max⩽4 it is shown that no more than two nontrivially independent solutions can exist simultaneously.
Riassunto
Si indaga sulle molteplici ambiguità degli spostamenti di fase che portano alla stessa sezione d’urto differenziale elastica nel caso di ampiezze con un numero finito di onde parziali. Si mostra che perL max⩽4 non possono esistere simultaneamente più di due soluzioni non ovviamente indipendenti.
Реэюме
Исследуются многократные неопределенности фаэовых сдвигов, при-водяшие к одинаковому упругому дифференциальному поперечному сечению, в случае амплитуд, имеюших конечное число парциальных волн. ДляL max⩽4 по-каэывается, что могут одновременно сушествовать не более чем два нетривиально неэависимых рещения.
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Literatur
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H. Cornille andA. Martin: unpublished.
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Laboratoire associé au C.N.R.S.
His encouragement, his very important suggestions, his verification of some calculations and many illuminating discussions are very much appreciated.
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Cornille, H., Drouffe, J.M. Phase-shift ambiguities for spinless andL max⩽4 elastic scattering. Nuov Cim A 20, 401–436 (1974). https://doi.org/10.1007/BF02821973
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DOI: https://doi.org/10.1007/BF02821973