RelativisticRmatrix and continuum shell model
نویسندگان
چکیده
منابع مشابه
Applications of Continuum Shell Model
The nuclear many-body problem at the limits of stability is considered in the framework of the Continuum Shell Model that allows a unified description of intrinsic structure and reactions. Technical details behind the method are highlighted and practical applications combining the reaction and structure pictures are presented.
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The pionic decay of L hypernuclei has received attention in the past both from the experimental @1–7# and theoretical @8–22# points of view ~for a recent review see Ref. @23#!. It is well known that the mesonic decay is largely suppressed by Pauli blocking, although the consideration of proper pion distorted waves @13,16,20# weakens the effect of the Pauli blocking considerably. On the other ha...
متن کاملPionic decay of Λ Hypernuclei in a Continuum Shell Model
We evaluate pionic decay widths of Λ hypernuclei using a shell model for, both the nuclear bound and the continuum nucleon wave functions in the final state, and distorted waves for the outgoing pion. An excellent agreement with the recent KEK measurement of π −-decay widths of 12 Λ C and 28 Λ Si is found. Besides, results for 56 Λ Fe are consistent with the existing upper bound.
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We discuss an approach for studying the properties of mesoscopic systems, where discrete and continuum parts of the spectrum are equally important. The approach can be applied (i) to stable heavy nuclei and complex atoms near the continuum threshold, (ii) to nuclei far from the region of nuclear stability, both of the regions being of great current interest, and (iii) to mesoscopic devices with...
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The radiative pion capture process in nuclei is approached by using a continuum shell–model description of the nucleus, together with a phenomenological treatment of the two particle–two hole effects. It is found that these effects play an important role to reproduce the observed experimental photon energy distribution. This distribution as well as the integrated one depends significantly on th...
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ژورنال
عنوان ژورنال: Physical Review C
سال: 2012
ISSN: 0556-2813,1089-490X
DOI: 10.1103/physrevc.85.054617