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Friday, July 24, 2020 | History

5 edition of Nuclear Optical Model Potential found in the catalog.

Nuclear Optical Model Potential

S. Boffi

Nuclear Optical Model Potential

Proceedings of the Meeting held in Pavia, April 8 and 9, 1976

by S. Boffi

  • 282 Want to read
  • 17 Currently reading

Published by Springer-Verlag .
Written in English


The Physical Object
Number of Pages221
ID Numbers
Open LibraryOL7442586M
ISBN 100387078649
ISBN 109780387078649

In , Feshbach and collaborators proposed the optical model of nuclear reactions, in which the atomic nucleus isseen as an opaque sphere capable of reflecting or absorbing the incident. Introduction of CTOM. The optical model is a crucial component in such nuclear reaction studies, mainly because it determines the cross section for nuclear scattering and the formation of compound nuclei in the initial stage of a reaction and supplies the transmission coefficients for branching into the various final states.

6, 7 Li OPTICAL – MODEL PARAMETERS J. COOK. ATOMIC DATA AND NUCLEAR DATA TAB () p Definition of the Optical Potential. The optical potential is defined as The first term is the Coulomb potential due to a uni­formly charged sphere of radius R C. The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in by Ernest Rutherford based on the Geiger–Marsden gold foil the discovery of the neutron in , models for a nucleus composed of protons and neutrons were quickly developed by Dmitri Ivanenko and Werner Heisenberg.

The nuclear optical model potential (OMP) is generally assumed to be independent of the orbital angular momentum, l, of the interacting nuclei. Nucleon-nucleus and nucleus-nucleus interactions are customarily l independent in calculations of nuclear elastic scattering and in standard reaction codes. Nuclear Physics Books. Spin Observables in Nuclear Reactions, Optical Potential and Elastic Scattering of Protons, Polarization in Resonance Reaction, Three Nucleon Force and Polarization Phenomena in a Three Nucleon System. Author(s): Makoto Tanifuji. A Fortran Program for Elastic Scattering Analyses with the Nuclear Optical Model.


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Nuclear Optical Model Potential by S. Boffi Download PDF EPUB FB2

Part of the Lecture Notes in Physics book series (LNP, volume 55) Papers Table of contents (10 papers) About About these proceedings; Table of contents. Search within book. Optical model potential and nuclear density distributions.

Hodgson. Pages Non-local optical potential: Theoretical and phenomenological aspects. The first paper by J.-P. Jeukenne, A. Lejeune and C. Maha~ reports the very recent calculation of the theoretical optical potential by the nuclear matter Nuclear Optical Model Potential book.

Nuclear Optical Model Potential Proceedings of the Meeting Held in Pavia, April 8 and 9, Editors: Boffi, S., Passatore, G. (Eds.) Free Preview. Buy this book eB40 € price for Spain (gross) The eBook version of this title will be available soon; ISBN Optical model, in physics, description of atomic nuclei as similar to cloudy crystal balls in that, when struck by a beam of particles, they partially absorb the beam, partially scatter it, and partially transmit it in a way analogous to the behaviour of light.

The nuclear optical model has proved very successful in explaining nuclear reactions in which the incident (striking) particles have. In book: Nuclear Optical Model Potential, pp Cite this publication.

Hodgson. Abstract. Folding model calculations of the optical model potentials of alpha-particles and heavy ions. The optical-model potential, as the term is used in the present paper, is a singleparticle potential which, when substituted in a single-particle Schringer equation, describes fully and exactly the wave function in one particular channel - the elastic channel - of a many-body system.

This is the generalized optical-model potential of Feshbach Z).Cited by: The imaginary part of the optical model potential in nuclear matter has been calculated for various values of the energy, assuming Gammel-Thaler nucleon-nucleon interactions.

The calculations were made using the separation method in which the interaction is separated into a short range and long range part, the former giving zero phase shift. The "optical potential" is just a model to include in your potential not only the elastic scattering (such as nuclear scattering or Coulomb scattering), but also inelastic scattering.

First of all since the nuclear physics is characterized by low energies (usually in the scale of MeV) the Schroedinger quantum mechanics is good enough to. System Upgrade on Tue, May 19th, at 2am (ET) During this period, E-commerce and registration of new users may not be available for up to 12 hours.

Shell model description of the optical model potential. Preview Buy Chap19 € The imaginary part of the nuclear optical potential and inelastic form factor. Pages Madsen, V. (et al.) Preview Buy Chap19 Microscopic Optical Potentials Book Subtitle. ing. The optical model potential is defined as the potential which furnishes the energy-averaged scattering amplitudes.

In a wider context, the optical potential can be considered an effective potential that takes into account all of the physical processes one does not want to take into account explicitly.

Print book: EnglishView all editions and formats: Rating: (not yet rated) 0 with reviews - Be the first. Subjects: Physics. More like this: Similar Items schema:name " Nuclear optical model potential. Folding model calculations of the optical model potentials of alpha-particles and heavy ions are reviewed, showing the importance of accurate density distributions.

The method of calculating the density distributions from single-particle potentials is described, and the. The nuclear force (or nucleon–nucleon interaction or residual strong force) is a force that acts between the protons and neutrons of ns and protons, both nucleons, are affected by the nuclear force almost identically.

Since protons have charge +1 e, they experience an electric force that tends to push them apart, but at short range the attractive nuclear force is strong enough to. The main features of the nuclear optical model are reviewed, with particular attention to current growth points. The determination of the form and strength of the nucleon-nucleus interaction by calculation from the nucleon-nucleon interaction is described and the results compared with those obtained phenomenologically.

Optical model potential and nuclear density distributions.- Non-local optical potential: Theoretical and phenomenological aspects.- The systematics of the 1f7/2 neutron single-particle energies.- Small angle elastic scattering of polarized protons.- Dispersion relation analyses of the energy dependence of the optical potential (a) high nuclear level density and broad overlapping resonances, (b) many open reaction channels, inelasticity and absorption.

Use a complex (absorptive) optical model potential – from theory or ‘simply’ fitted to a body of elastic scattering data for a system and energy near that of interest. Distorted waves. Optical model potential and nuclear density distributions Hodgson, P.

Abstract. Folding model calculations of the optical model potentials of alpha-particles and heavy ions are reviewed, showing the importance of accurate density distributions. The method of calculating the density distributions from single-particle potentials is described.

ever-increasing sophistication in the model of the “core” potential. The harmonic oscillator potential as well as the infinite well potential predict the first few magin numbers. However, one must also include details of the profile of the nuclear skin, as well as introduce a.

NUCLEAR OPTICAL MODEL INTR ODUCTOR Y O VER VIEW P.E. Ho dgson Nuclear Ph ysics Lab oratory,Departmen tof Ph ysics,Univ ersit y of Oxford, Oxford, UK Abstract The formalism of the optical mo del is brie y review ed, together with the w a ys it can b e used to analyse exp erimen tal data.

Microscopic optical potentials are generated for these scattering systems using the double-folding model. The sensitivity of the potentials to the prescriptions used for the nuclear density calculations is studied. The elastic scattering data are analysed within the framework of the optical model using both Woods-Saxon potentials and double.specification of the NA optical potential (OMP) and the multiple scattering expansions, taken to second order [7], are only a gross approximation.

A full g-matrix specification of the optical potential is needed to account for those corrections [9]. As microscopic models of the nucleon-nucleus (NA) optical potentials are based on.The nuclear optical-model potential is investigated from a non-phenomenological standpoint.

Its range of application is extended to the region of negative energies for the calculation of bound state energies and reduced widths.

From general arguments and shell-model considerations, a form of the generalized optical-model potential is proposed consisting of an energy-independent term, a sum of.