Symmetry effect on the sum rule for bremsstrahlung cross-section

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Abstract

The effect of symmetry of the space co-ordinates of the nucleons of a nucleus on the integrated bremsstrahlung-weighted cross-section for electric dipole absorption σb has been investigated. It is found that the relationship of σb to the mean square radius of the nucleus is really model dependent. For a system heavier than Is nuclei, for example,6Li it is shown, in principle, that its σb is directly proportional to the mean square radius of6Li in a simple shell model picture which was believed to be contrary thus far. For a modified shell model wave function σb for6Li has been calculated and found to be close to the experimental value. The correction due to the centre-of-mass motion brings the r.m.s. radius of6Li in exact agreement to the value observed by electron scattering.

Original languageEnglish
Pages (from-to)513-518
Number of pages6
JournalLettere al Nuovo Cimento
Volume33
Issue number16
DOIs
StatePublished - Apr 1982

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