Instantaneous Bethe-Salpeter kernel for the lightest pseudoscalar mesons

Wolfgang Lucha; Franz F. Schoeberl

doi:10.1103/PhysRevD.93.096005

Instantaneous Bethe-Salpeter kernel for the lightest pseudoscalar mesons

Wolfgang Lucha (Corresponding author), Franz F. Schoeberl (Corresponding author)

Particle Physics

Publications: Contribution to journal › Article › Peer Reviewed

Abstract

Starting from a phenomenologically successful, numerical solution of the Dyson-Schwinger equation that governs the quark propagator, we reconstruct in detail the interaction kernel that has to enter the instantaneous approximation to the Bethe-Salpeter equation to allow us to describe the lightest pseudoscalar mesons as quark-antiquark bound states exhibiting the (almost) masslessness necessary for them to be interpretable as the (pseudo) Goldstone bosons related to the spontaneous chiral symmetry breaking of quantum chromodynamics.

Original language	English
Article number	096005
Number of pages	8
Journal	Physical Review D
Volume	93
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevD.93.096005
Publication status	Published - 5 May 2016

Austrian Fields of Science 2012

103024 Quantum field theory

Keywords

BOUND-STATES
EQUATION

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10.1103/PhysRevD.93.096005

Cite this

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abstract = "Starting from a phenomenologically successful, numerical solution of the Dyson-Schwinger equation that governs the quark propagator, we reconstruct in detail the interaction kernel that has to enter the instantaneous approximation to the Bethe-Salpeter equation to allow us to describe the lightest pseudoscalar mesons as quark-antiquark bound states exhibiting the (almost) masslessness necessary for them to be interpretable as the (pseudo) Goldstone bosons related to the spontaneous chiral symmetry breaking of quantum chromodynamics.",

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N2 - Starting from a phenomenologically successful, numerical solution of the Dyson-Schwinger equation that governs the quark propagator, we reconstruct in detail the interaction kernel that has to enter the instantaneous approximation to the Bethe-Salpeter equation to allow us to describe the lightest pseudoscalar mesons as quark-antiquark bound states exhibiting the (almost) masslessness necessary for them to be interpretable as the (pseudo) Goldstone bosons related to the spontaneous chiral symmetry breaking of quantum chromodynamics.

AB - Starting from a phenomenologically successful, numerical solution of the Dyson-Schwinger equation that governs the quark propagator, we reconstruct in detail the interaction kernel that has to enter the instantaneous approximation to the Bethe-Salpeter equation to allow us to describe the lightest pseudoscalar mesons as quark-antiquark bound states exhibiting the (almost) masslessness necessary for them to be interpretable as the (pseudo) Goldstone bosons related to the spontaneous chiral symmetry breaking of quantum chromodynamics.

KW - BOUND-STATES

KW - EQUATION

UR - http://arxiv.org/abs/1603.08745

UR - https://www.scopus.com/pages/publications/84966267367

U2 - 10.1103/PhysRevD.93.096005

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ER -

Instantaneous Bethe-Salpeter kernel for the lightest pseudoscalar mesons

Abstract

Austrian Fields of Science 2012

Keywords

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