In-medium QCD sum rules for ρ-meson and chiral scale

Youngshin Kwon; Wolfram Weise

doi:10.1063/1.3647439

In-medium QCD sum rules for ρ-meson and chiral scale

Youngshin Kwon, Wolfram Weise

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Yonsei University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

In this talk, chiral scale, 4πf_π∼1GeV, was introduced as an indicator of partial restoration of chiral symmetry at finite density or temperature, rather than the argument between mass shift and collisional broadening. We use the finite energy sum rules to determine the chiral scale identified with the separation scale of the low-energy resonance part from the high-energy continuum part of ρ-meson spectral function. In this framework, in-medium ρ-meson mass should be discussed in terms of the first two moments of the spectral function.

Original language	English
Title of host publication	International Conference on the Structure of Baryons, BARYONS'10
Pages	502-505
Number of pages	4
DOIs	https://doi.org/10.1063/1.3647439
State	Published - 2011
Event	International Conference on the Structure of Baryons, BARYONS'10 - Osaka, Japan Duration: 7 Dec 2010 → 11 Dec 2010

Publication series

Name	AIP Conference Proceedings
Volume	1388
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	International Conference on the Structure of Baryons, BARYONS'10
Country/Territory	Japan
City	Osaka
Period	7/12/10 → 11/12/10

Keywords

QCD sum rules
chiral symmetry
vector meson

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10.1063/1.3647439

Cite this

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abstract = "In this talk, chiral scale, 4πfπ∼1GeV, was introduced as an indicator of partial restoration of chiral symmetry at finite density or temperature, rather than the argument between mass shift and collisional broadening. We use the finite energy sum rules to determine the chiral scale identified with the separation scale of the low-energy resonance part from the high-energy continuum part of ρ-meson spectral function. In this framework, in-medium ρ-meson mass should be discussed in terms of the first two moments of the spectral function.",

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author = "Youngshin Kwon and Wolfram Weise",

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AU - Weise, Wolfram

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N2 - In this talk, chiral scale, 4πfπ∼1GeV, was introduced as an indicator of partial restoration of chiral symmetry at finite density or temperature, rather than the argument between mass shift and collisional broadening. We use the finite energy sum rules to determine the chiral scale identified with the separation scale of the low-energy resonance part from the high-energy continuum part of ρ-meson spectral function. In this framework, in-medium ρ-meson mass should be discussed in terms of the first two moments of the spectral function.

AB - In this talk, chiral scale, 4πfπ∼1GeV, was introduced as an indicator of partial restoration of chiral symmetry at finite density or temperature, rather than the argument between mass shift and collisional broadening. We use the finite energy sum rules to determine the chiral scale identified with the separation scale of the low-energy resonance part from the high-energy continuum part of ρ-meson spectral function. In this framework, in-medium ρ-meson mass should be discussed in terms of the first two moments of the spectral function.

KW - QCD sum rules

KW - chiral symmetry

KW - vector meson

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U2 - 10.1063/1.3647439

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M3 - Conference contribution

AN - SCOPUS:81555221773

SN - 9780735409521

T3 - AIP Conference Proceedings

SP - 502

EP - 505

BT - International Conference on the Structure of Baryons, BARYONS'10

T2 - International Conference on the Structure of Baryons, BARYONS'10

Y2 - 7 December 2010 through 11 December 2010

ER -

In-medium QCD sum rules for ρ-meson and chiral scale

Abstract

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Keywords

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