Path-integral hadronization for the nucleon and its interactions

Laith Aburaddad, A. Hosaka, D. Ebert, H. Toki

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Nucleon structure and the origin and nature of the nuclear force are investigated in the context of a quantum chromodynamics motivated effective Lagrangian for quark and diquark fields and the path-integral method of hadronization. We start from a microscopic model of quarks and diquarks where the gluons have been integrated out. In particular, we use the chiral Nambu-Jona-Lasinio model to describe quark dynamics and assume that the nucleon can be conceived as a quark-diquark relativistic bound state. The hadronization method is then used to rewrite the problem in terms of the physical meson and nucleon degrees of freedom. Next, by employing a loop expansion of the resulting quark/diquark determinants, we arrive at an effective chiral meson-nucleon Lagrangian. Nucleon properties such as mass, coupling constants, electromagnetic radii, anomalous magnetic moments, and form factors are derived using a theory of at most two free parameters.

Original languageEnglish
Pages (from-to)252061-2520613
Number of pages2268553
JournalPhysical Review C - Nuclear Physics
Volume66
Issue number2
Publication statusPublished - 1 Aug 2002
Externally publishedYes

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quarks
interactions
mesons
gluons
determinants
form factors
degrees of freedom
quantum chromodynamics
magnetic moments
electromagnetism
radii
expansion

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics

Cite this

Path-integral hadronization for the nucleon and its interactions. / Aburaddad, Laith; Hosaka, A.; Ebert, D.; Toki, H.

In: Physical Review C - Nuclear Physics, Vol. 66, No. 2, 01.08.2002, p. 252061-2520613.

Research output: Contribution to journalArticle

Aburaddad, L, Hosaka, A, Ebert, D & Toki, H 2002, 'Path-integral hadronization for the nucleon and its interactions', Physical Review C - Nuclear Physics, vol. 66, no. 2, pp. 252061-2520613.
Aburaddad, Laith ; Hosaka, A. ; Ebert, D. ; Toki, H. / Path-integral hadronization for the nucleon and its interactions. In: Physical Review C - Nuclear Physics. 2002 ; Vol. 66, No. 2. pp. 252061-2520613.
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