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arxiv: 1005.4876 · v1 · submitted 2010-05-26 · ⚛️ nucl-th

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The rho meson in a scenario of pure chiral restoration

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classification ⚛️ nucl-th
keywords chiralpurerestorationscenariocondensatesmesonshiftspectral
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Based on QCD sum rules we explore the consequences of a pure chiral restoration scenario for the rho meson, where all chiral symmetry breaking condensates are dropped whereas the chirally symmetric condensates remain at their vacuum values. This pure chiral restoration scenario causes the drop of the rho spectral moment by about 120 MeV. The complementarity of mass shift and broadening is discussed. A simple parametrization of the rho spectral function leads to a width of about 600 MeV if no shift of the peak position is assumed.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Kinetic Mixing and Axial Charges in the Parity-Doublet Model

    hep-ph 2025-12 unverdicted novelty 4.0

    Kinetic mixing terms are introduced in the parity-doublet model to reproduce the empirical axial charge g_A ≈ 1.28 of the nucleon along with masses of the nucleon and N*(1535).