《科学研究費補助金・新学術領域研究（新ハドロン）・公募研究》
研究課題名：
有限密度でのUA(1)量子異常とカイラル対称性回復の検証に関する理論研究

研究代表者：
永廣 秀子（奈良女子大学理学部）

課題番号：
22105510（平成22年度〜23年度）


研究の目的・概要：
中間子原子核生成を通して、有限媒質中でのUA(1)量子異常の振る舞いとカイラル対称性回復の検証を目的とした理論研究を行う。

2010-11年出版論文：
  1. Coupling vector and pseudoscalar mesons to study baryon resonances.
    K.P. Khemchandani, A.Martinez Torres, H. Kaneko, H. Nagahiro, A. Hosaka. YITP-11-66.
    e-Print: arXiv:1107.0574 [nucl-th]
    PRD submitted

  2. Precision spectroscopy of deeply bound pionic atoms and partial restoration of chiral symmetry in medium
    Natsumi Ikeno, Rie Kimura, Junko Yamagata-Sekihara, Hideko Nagahiro, Daisuke Jido, Kenta Itahashi, Li Sheng Geng and Satoru Hirenzaki
    Progress of Theoretical Physics Accepted

  3. Composite and elementary natures of a1(1260) meson
    Hideko Nagahiro, Kanabu Nawa, Sho Ozaki, Daisuke Jido, Atushi Hosaka
    e-print arXiv: 1101.3623 [hep-ph],
    Appears in : Phys. Rev D83 (2011) 111504(Rapid communication)

  4. Vector meson-Baryons dynamics and generation of resonances
    K.P. Khemchandani, Hiromi Kaneko, Hideko Nagahiro, Atsushi Hosaka
    e-print arXiv:1104.0307 [hep-ph
    Appears in Phys.Rev. D83 (2011) 114041.

  5. Decay of vector-vector resonances into $\gamma$ and a pseudoscalar meson.
    Raquel Molina, Hideko Nagahiro, Atsushi Hosaka, Eulogio Oset,
    e-print arXiv:1009.4881 [hep-ph] ,
    Appears in : Phys.Rev. D83 (2011) 094030.

  6. Phi photoproduction in a coupled-channel approach.
    S. Ozaki, H. Nagahiro, A. Hosaka, O. Scholten
    Published in Nucl.Phys. A835 (2010) 321-324

2010-11年会議録：
  1. Theoretical study of formation rates of eta-, eta'- and omega-mesic nuclei induced by the pion beam.
    Hideko Nagahiro
    Published in Prog.Theor.Phys.Suppl. 186 (2010) 316-324
    Prepared for New Frontiers In QCD 2010: Exotic Hadron Systems And Dense Matter 18 Jan - 19 Mar 2010, Kyoto, Japan

  2. A theoretical model for formation of eta- He-4 bound state by d + d reaction.
    Satoru Hirenzaki, Hideko Nagahiro, Daisuke Jido
    Published in Int.J.Mod.Phys. A26 (2011) 444-449
    Prepared for 11th International Workshop On Meson Production, Properties And Interaction (MESON 2010) 10-15 Jun 2010, Cracow, Poland

  3. Formation of eta mesic nuclei at JPARC and COSY.
    Satoru Hirenzaki, Hideko Nagahiro, Daisuke Jido
    Published in AIP Conf.Proc. 1322 (2010) 28-35
    Prepared for Chiral10 WORKSHOP 21-24 Jun 2010, Valencia, Spain

  4. Formation of \eta -Mesic Nuclei.
    Satoru Hirenzaki, Hideko Nagahiro, Daisuke Jido
    Published in Acta Phys.Polon. B41 (2010) 2211-2220
    Prepared for SPIRES Conference C10/06/16.1
    e-Print: arXiv:1011.0867 [nucl-th]
2010-11年口頭発表：
  1. Mixing properties of a1(1260) meson consisting of hadronic composite and quark composite
    Hideko Nagahiro, Kanabu Nawa, Sho Ozaki, Daisuke Jido, Atsushi Hosaka
    XIV International Conference on Hadron Spectroscopy, "hadron2011"
    13-17 June 2011 Kunstlerhaus, Munchen, Germany

  2. Mixing properties of a1(1260) axial vector meson
    Hideko Nagahiro, Kanabu Nawa, Sho Ozaki, Daisuke Jido, Atsushi Hosaka
    International Workshop "Hadron Nuclear Physics 2011(HNP2011) Quarks in hadrons, nuclei, and hadronic matter"
    Feb. 21(Mon) -- 24 (Thu), 2011
    POSCO International Center, Pohang, Republic of Korea

  3. A study of mixing properties of a1(1260) meson
    Hideko Nagahiro, Kanabu Nawa, Sho Ozaki, Daisuke Jido, Atsushi Hosaka,
    International Conference on the structure of baryons "BARYONS'10", Dec. 7-11, 2010, Osaka, Japan
  4. A study of the admixture properties of the a1(1260) meson
    第64回日本物理学会年次大会
    2010年9月11日九州工業大学
  5. A study of the admixture properties of the a1(1260) meson
    Hideko Nagahiro, Kanabu Nawa, Sho Ozaki, Daisuke Jido, Atsushi Hosaka,
    International Workshop of Chiral symmetry in Hadrons and Nuclei "Chiral'10"
    IFIC, Valencial University, Spain, 21-24 June, 2010