Tribaryon configurations and the inevitable three nucleon repulsions at short distance

Aaron Park, Woosung Park, Su Houng Lee

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We decompose the tribaryon configuration in terms of SU(3) flavor and spin state and analyze their color-spin-flavor wave function following the Pauli principle. By comparing the color-color and color-spin interactions of compact tribaryon configuration against the lowest three nucleon threshold within a constituent quark model, we show that the three nucleon configurations have to be repulsive at short distance for all possible quantum numbers and all values of the SU(3) symmetry breaking parameter. Our work identifies the origin of the repulsive nuclear three body forces including the hyperons at short distance that are called for from phenomenological considerations starting from nuclear matter to the maximum mass of a neutron star.

Original languageEnglish
Article number034001
JournalPhysical Review D
Volume98
Issue number3
DOIs
Publication statusPublished - 2018 Aug 1

Fingerprint

color
configurations
hyperons
quark models
neutron stars
quantum numbers
broken symmetry
wave functions
thresholds
interactions

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

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Tribaryon configurations and the inevitable three nucleon repulsions at short distance. / Park, Aaron; Park, Woosung; Lee, Su Houng.

In: Physical Review D, Vol. 98, No. 3, 034001, 01.08.2018.

Research output: Contribution to journalArticle

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AU - Park, Woosung

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AB - We decompose the tribaryon configuration in terms of SU(3) flavor and spin state and analyze their color-spin-flavor wave function following the Pauli principle. By comparing the color-color and color-spin interactions of compact tribaryon configuration against the lowest three nucleon threshold within a constituent quark model, we show that the three nucleon configurations have to be repulsive at short distance for all possible quantum numbers and all values of the SU(3) symmetry breaking parameter. Our work identifies the origin of the repulsive nuclear three body forces including the hyperons at short distance that are called for from phenomenological considerations starting from nuclear matter to the maximum mass of a neutron star.

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