Binding Energies of Hypernuclei And. Lambda.-nuclear Interactions PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Variational calculations indicate that a reasonable description of .lambda.p scattering and of .lambda. separation energies can be obtained in terms of .lambda. N plus dispersive and TPE .lambda. NN forces. Results for the .lambda lambda. interaction and for 6/sub .lambda./He obtained from an analysis of 1°/sub .lambda lambda./Be are discussed. Coulomb and .lambda. N charge symmetry breaking effects in the A = 4 hypernuclei are discussed.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Variational calculations indicate that a reasonable description of .lambda.p scattering and of .lambda. separation energies can be obtained in terms of .lambda. N plus dispersive and TPE .lambda. NN forces. Results for the .lambda lambda. interaction and for 6/sub .lambda./He obtained from an analysis of 1°/sub .lambda lambda./Be are discussed. Coulomb and .lambda. N charge symmetry breaking effects in the A = 4 hypernuclei are discussed.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Variational Monte Carlo calculations have been made for the s-shell hypernuclei and also of /sub .lambda./9Be with a 2.cap alpha. + .lambda. model. The well depth is calculated variationally with the Fermi hypernetted chain method. A satisfactory description of all the relevant experimental .lambda. separation energies and also of the .lambda.p scattering can be obtained with reasonable TPE .lambda. N and .lambda. NN forces and strongly repulsive dispersive .lambda. NN forces which are preferred to be spin dependent. We discuss variational calculations for /sub .lambda lambda./6He and /sub .lambda lambda./1°Be with .cap alpha. + 2.lambda. and 2.cap alpha. + 2.lambda. models, and the results obtained for the .lambda lambda. interaction and for /sub .lambda lambda./6He from analysis of /sub .lambda lambda./1°Be. Coulomb effects and charge symmetry breaking in the A=4 hypernuclei are discussed. 28 refs.
Author: Zaliman Sauli Publisher: ISBN: Category : Polarization (Light) Languages : en Pages : 106
Book Description
The main objective is develop an extended Thomas-Fermi theory using a local density approach ("Thomas Fermi" model for short) to calculate binding energies, root mean square radii, density distributions for nuclei and hypernuclei and demonstrate that for "realistic" L-nuclear interactions, the core polarization effects are in general very small, both the polarizing energies as well as the change in rms radii.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The complexities of the s-shell .lambda.-hypernuclei (A less than or equal to 5) are explored. Difficulties associated with attempts to describe the hyperon-nucleon (YN) interaction in all such .lambda.-hypernuclei by simple, effective .lambda.p and .lambda.n potentials are examined. The explicit A dependence of the effective YN interaction due to .lambda. N-.sigma. N coupling and isospin differences among the nuclear core states is investigated. The necessity of using exact four-body theory to calculate small charge-symmetry-breaking effects (in the A = 4 system) using .lambda. N potentials fitted to free .lambda. N scattering data is emphasized. Possible use of s-shell hypernuclear binding energies to help distinguish among candidate YN potential parameterizations is discussed.
Author: J. L. Friar Publisher: Springer Science & Business Media ISBN: 147574398X Category : Science Languages : en Pages : 396
Book Description
Review articles on three topics of considerable current interest make up the present volume. The first, on A-hypernuclei, was solicited by the editors in order to provide nuclear physicists with a general description of the most recent developments in a field which this audience has largely neglected or, perhaps, viewed as a novelty in which a bizarre nuclear system gave some information about the lambda-nuclear intersection. That view was never valid. The very recent developments reviewed here-particularly those pertaining to hypernuclear excitations and the strangeness exchange reactions-emphasize that this field provides important information about the models and central ideas of nuclear physics. The off-shell behavior of the nucleon-nucleon interaction is a topic which was at first received with some embarrassment, abuse, and neglect, but it has recently gained proper attention in many nuclear problems. Interest was first focused on it in nuclear many-body theory, but it threatened nuclear physicists'comfortable feeling about nonrelativistic potential theory, and many no doubt hoped that it would remain merely an esoteric diversion within the many-body cult. In the editors' opinion, this subject is now emi nently respectable and a review of it indeed timely. The third topic, nuclear charge distributions, is one which almost every nuclear physicist believed had been weIl in hand for some years.
Author: Josef Pochodzalla Publisher: Springer Science & Business Media ISBN: 3540763678 Category : Science Languages : en Pages : 400
Book Description
This volume contains the proceedings of the IX International Conference on Hypernuclear and Strange Particle Physics (HYP 2006). This conference series is devoted to the progress of our knowledge about strangeness flavor in hadron and nuclear physics. Besides the traditional topics such as hadron structure, hypernuclear spectroscopy and weak decay of hypernuclei, a particular focus of this conference was on the properties of strange mesons and their binding in nuclear systems.
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Author: Zaliman Sauli
Author: Richard Henry Dalitz
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Author: J. L. Friar![Ground State Binding Energies of [Lambda] Particle in Hypernuclei PDF](https://books.google.com/books/content/images/frontcover/1q97mwEACAAJ?fife=w80-h100)
Author: I. Ahmad
Author: Josef Pochodzalla