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Two-nucleon transfer reactions between heavy ions

Реакции между тяжелыми ионами с передачей двух нуклонов

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Il Nuovo Cimento A (1965-1970)

Summary

We show how an exact treatment of the one-nucleon transfer reactions may serve as a starting point for an exact evaluation of the two-nucleon transfer reactions. We give first the general expansion of a function of the sum of three vectors and some extensions of well-known formulae. The two-nucleon transfer amplitude is then expressed including antisymmetrization. Derivations of no-recoil treatment, local-momentum approximation and full treatment, including finite-range and recoil effects, are given.

Riassunto

Si dimostra come un trattamento esatto delle reazioni di trasferimento di un nucleone possono servire come punto di partenza per una valutazione esatta delle reazioni di trasferimento di due nucleoni. Si dà dapprima lo sviluppo generale di una funzione della somma di tre vettori ed alcune estensioni di formule ben note. Si esprime poi l’ampiezza di trasferimento di due nucleoni includento l’antisimmetrizzazione. Si espongono le deduzioni del trattamento senza rinculo, dell’approssimazione dell’impulso locale e del trattamento completo, che comprende gli effetti del rango finito e del rinculo.

Реэюме

Мы покаэываем, как точное рассмотрение реакций с передачей одного нуклона может служить исходной точкой для точного вычисления реакции с передачей двух нуклонов. Сначала мы приводим обшее выражение для суммы трех векторов, а также обобшение некоторых хорощо иэвестных формул. Затем амплитуда реакции с передачей двух нуклонов эаписывается с учетом антисимметриэации. Рассматриваются отклонение от подхода беэ учета отдачи, приближение локального импульса и полное описание с учетом конечного радиуса действия и зффектов отдачи.

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Elbaz, E., Nahabetian, R. & Meyer, J. Two-nucleon transfer reactions between heavy ions. Nuov Cim A 28, 305–320 (1975). https://doi.org/10.1007/BF02729822

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  • DOI: https://doi.org/10.1007/BF02729822

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