A novel probe of chiral restoration in nuclear medium

Philipp Gubler; Teiji Kunihiro; Su Houng Lee

doi:10.1016/j.physletb.2017.01.077

A novel probe of chiral restoration in nuclear medium

Philipp Gubler, Teiji Kunihiro, Su Houng Lee

Department of Physics

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

We propose measuring the mass shift and width broadening of the f₁(1285) meson together with those of the ω from a nuclear target as a means to experimentally probe the partial restoration of chiral symmetry inside the nuclear matter. The relation between the order parameter of chiral symmetry and the difference in the correlation functions of the f₁(1285) current and the ω current is discussed in the limit where the disconnected diagrams are neglected. A QCD sum rule analysis of the f₁(1285) meson mass leads to about 100 MeV attraction in nuclear matter, which can be probed in future experiments.

Original language	English
Pages (from-to)	336-340
Number of pages	5
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	767
DOIs	https://doi.org/10.1016/j.physletb.2017.01.077
Publication status	Published - 2017 Apr 10

Bibliographical note

Funding Information:
The work was supported by the Korea National Research Foundation under the grant number KRF-2011-0030621 and the Korean ministry of education under the grant number 2016R1D1A1B03930089. The authors thank the Yukawa Institute for Theoretical Physics, Kyoto University, where this work was initiated during the YITP-W-16-01 “MIN16 – Meson in Nucleus 2016 –”. T.K. was partially supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan (Nos. 16K05350, 15H03663) and by the Yukawa International Program for Quark-Hadron Sciences.

Publisher Copyright:
© 2017 The Authors

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/j.physletb.2017.01.077

Cite this

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title = "A novel probe of chiral restoration in nuclear medium",

abstract = "We propose measuring the mass shift and width broadening of the f1(1285) meson together with those of the ω from a nuclear target as a means to experimentally probe the partial restoration of chiral symmetry inside the nuclear matter. The relation between the order parameter of chiral symmetry and the difference in the correlation functions of the f1(1285) current and the ω current is discussed in the limit where the disconnected diagrams are neglected. A QCD sum rule analysis of the f1(1285) meson mass leads to about 100 MeV attraction in nuclear matter, which can be probed in future experiments.",

author = "Philipp Gubler and Teiji Kunihiro and Lee, {Su Houng}",

note = "Funding Information: The work was supported by the Korea National Research Foundation under the grant number KRF-2011-0030621 and the Korean ministry of education under the grant number 2016R1D1A1B03930089. The authors thank the Yukawa Institute for Theoretical Physics, Kyoto University, where this work was initiated during the YITP-W-16-01 “MIN16 – Meson in Nucleus 2016 –”. T.K. was partially supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan (Nos. 16K05350, 15H03663) and by the Yukawa International Program for Quark-Hadron Sciences. Publisher Copyright: {\textcopyright} 2017 The Authors",

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AU - Lee, Su Houng

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N2 - We propose measuring the mass shift and width broadening of the f1(1285) meson together with those of the ω from a nuclear target as a means to experimentally probe the partial restoration of chiral symmetry inside the nuclear matter. The relation between the order parameter of chiral symmetry and the difference in the correlation functions of the f1(1285) current and the ω current is discussed in the limit where the disconnected diagrams are neglected. A QCD sum rule analysis of the f1(1285) meson mass leads to about 100 MeV attraction in nuclear matter, which can be probed in future experiments.

AB - We propose measuring the mass shift and width broadening of the f1(1285) meson together with those of the ω from a nuclear target as a means to experimentally probe the partial restoration of chiral symmetry inside the nuclear matter. The relation between the order parameter of chiral symmetry and the difference in the correlation functions of the f1(1285) current and the ω current is discussed in the limit where the disconnected diagrams are neglected. A QCD sum rule analysis of the f1(1285) meson mass leads to about 100 MeV attraction in nuclear matter, which can be probed in future experiments.

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A novel probe of chiral restoration in nuclear medium

Abstract

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