Light-front wave functions of mesons, baryons, and pentaquarks with topology-induced local four-quark interaction

Shuryak, Edward

doi:10.1103/PhysRevD.100.114018

Title: Light-front wave functions of mesons, baryons, and pentaquarks with topology-induced local four-quark interaction

Journal Article · Wed Dec 11 00:00:00 EST 2019 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.100.114018· OSTI ID:1579285

Shuryak, Edward

We calculate light-front wave functions of mesons, baryons and pentaquarks in a model including constituent mass (representing chiral symmetry breaking), harmonic confining potential, and four-quark local interaction of ’t Hooft type. The model is a simplified version of that used by Jia and Vary. The method used is numerical diagonalization of the Hamiltonian matrix, with a certain functional basis. We found that the nucleon wave function displays strong diquark correlations, unlike that for the Delta (decuplet) baryon. We also calculate a three-quark-five-quark admixture to baryons and the resulting antiquark sea parton distribution function.

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Research Organization:: State Univ. of New York (SUNY), Albany, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: FG-88ER40388; FG02-88ER40388

OSTI ID:: 1579285

Alternate ID(s):: OSTI ID: 1800696

Journal Information:: Physical Review D, Journal Name: Physical Review D Vol. 100 Journal Issue: 11; ISSN 2470-0010

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 8 works

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References (25)

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