On the direct and semidirect neutron radiative capture by medium-heavy mass nuclei

Tulupov, B. A.; Urin, M. H.

doi:10.1051/epjconf/20123817010

Cited by 2 publications

(2 citation statements)

References 11 publications

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“…Some results concerned with the applications of the PHDOM to the description of the fast-neutron radiative capture are briefly discussed in Ref. [11]. In the present work we use a somewhat different mean field than that assumed in Ref.…”

Section: Introductionmentioning

confidence: 99%

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Description of the simplest photonuclear reactions within the particle-hole dispersive optical model

Tulupov

Urin

2014

Phys. Rev. C

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A recently developed particle-hole dispersive optical model is applied to describe the cross sections of photoabsorption, direct + semidirect photoneutron and inverse reactions accompanied by excitation of the isovector giant dipole and quadrupole resonances in medium-heavy-mass spherical nuclei. The model is an extension of the standard and nonstandard versions of the continuum-random-phase approximation by including the spreading effect in a phenomenological way. It contains the following ingredients: the Landau-Migdal particle-hole interaction and a phenomenological mean field consistent with this interaction, isovector velocity-dependent forces taken in the simplest form and the imaginary part of an effective single-particle optical-model potential determining the corresponding dispersive part. All the model parameters are taken from the other data and from the description of photoabsorption, while the direct + semidirect photoneutron and inverse reactions are described without the use of specific adjustable parameters. Calculation results obtained for a few neutron-closed-shell nuclei are compared with the corresponding experimental data.

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Section: Introductionmentioning

confidence: 99%

“…In the present work we use a somewhat different mean field than that assumed in Ref. [11] to better describe the integrated photoabsorption cross section.…”

Section: Introductionmentioning

confidence: 99%

Description of the simplest photonuclear reactions within the particle-hole dispersive optical model

Tulupov

Urin

2014

Phys. Rev. C

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Damping of high-energy particle-hole-type nuclear excitations: A semimicroscopic model

Urin

2013

Phys. Rev. C

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Abstract.A semi-microscopic model (particle-hole dispersive optical model) is formulated to describe the main relaxation modes of high-energy particle-hole-type excitations in medium-heavy mass nuclei. Within this model Landau damping and the single-particle continuum are considered microscopically, while the spreading effect is treated phenomenologically with taking a statistical assumption into account. Description of directnucleon-decay properties of the above-mentioned excitations (including giant resonances) is a unique feature of the proposed model, which in applying to closed-shell nuclei is arranged for practical implementations.

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On the direct and semidirect neutron radiative capture by medium-heavy mass nuclei

Cited by 2 publications

References 11 publications

Description of the simplest photonuclear reactions within the particle-hole dispersive optical model

Description of the simplest photonuclear reactions within the particle-hole dispersive optical model

Damping of high-energy particle-hole-type nuclear excitations: A semimicroscopic model

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