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Volumn 63, Issue 1, 2001, Pages 119011-119015

In-medium ππ correlation induced by partial restoration of chiral symmetry

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; ATOM; CHIRALITY; ENERGY; NONLINEAR SYSTEM;

EID: 3843088265     PISSN: 05562821     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevD.63.011901     Document Type: Article
Times cited : (70)

References (32)
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    • note
    • ⋯ denotes a chiral invariant meson-nucleon term, which is not essential for the discussions below, but gives rise to the difference of the π-nucleon and σ-nucleon couplings in the tree level (see [4] for details).
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    • note
    • For completeness, we remark here that the one-loop correction to the real part of A(s), which is not taken into account in the present paper, has a tendency to lower the baryon density where the near-threshold enhancement starts to occur. This has been shown in [5,4].
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    • note
    • Similar observation has been made by J. A. Oller, although he did not mention the near-threshold enhancement discussed here, Talk at Yukawa Institute Workshop on "Possible existence of the σ-meson and its implication to hadron physics," Kyoto, Japan, 2000, hep-ph/0007349.
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