Hypernuclear physics: A brief past and bright future

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A primary reason for investigating the structure and reactions of baryon systems is to achieve an understanding the fundamental baryon-baryon force in the realm of non-perturbative QCD. Few-baryon systems play an essential role, because one can calculate complete solutions to test a particular baryon-baryon interaction ansatz. Hypernuclei, exotic nuclei containing one or more hyperons (Y = {Lambda}, {Sigma}, or {Xi}) are crucial to this investigation, because they permit one to probe models based upon our experience in the nonstrange sector; they lie outside of the conventional world where our models were developed. That is, we can test whether our sophisticated ... continued below

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11 p.

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Gibson, B.F. October 1, 2000.

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A primary reason for investigating the structure and reactions of baryon systems is to achieve an understanding the fundamental baryon-baryon force in the realm of non-perturbative QCD. Few-baryon systems play an essential role, because one can calculate complete solutions to test a particular baryon-baryon interaction ansatz. Hypernuclei, exotic nuclei containing one or more hyperons (Y = {Lambda}, {Sigma}, or {Xi}) are crucial to this investigation, because they permit one to probe models based upon our experience in the nonstrange sector; they lie outside of the conventional world where our models were developed. That is, we can test whether our sophisticated models of the nucleon-nucleon (NN) interaction extrapolate successfully beyond the zero strangeness region in which the parameters were determined, or whether the models merely interpolate. The presence of the strangeness degree of freedom (flavor) adds a new dimension to our evolving picture of nuclear physics. We shall see that the physics of hypernuclei is both novel and puzzling, stretching our intuition and analysis capability beyond that developed during the more than half century that we have explored conventional nuclear physics. The hypernuclear sector of hadronic physics is not just a simple extension of zero-strangeness phenomena.

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11 p.

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INIS; OSTI as DE00765579

Medium: P; Size: 11 pages

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  • Proceedings for XVII European Conference on Few-Body Problems in Physics, Evora (ES), 09/11/2000--09/16/2000

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  • Report No.: LA-UR-00-5026
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 765579
  • Archival Resource Key: ark:/67531/metadc722691

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  • October 1, 2000

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  • Sept. 29, 2015, 5:31 a.m.

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  • April 6, 2017, 7:38 p.m.

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Gibson, B.F. Hypernuclear physics: A brief past and bright future, article, October 1, 2000; New Mexico. (digital.library.unt.edu/ark:/67531/metadc722691/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.