Observation of Pionic 1s States in Sn Nuclei and Its Implications on Chiral Symmetry Restoration

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概要

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• We observed deeply bound π^- 1s states in ^<115,119,123>Sn for the first time in ^<116,120,124>Sn(d,^3He) reactions at recoil free conditions to determine the 1s binding energies and the widths precisely. A preliminary result is used to deduce the isovector scattering amplitude as b_1 = 0.115 ± 0.005 m^<-1>_π. The observed enhancement of b_1 over the free πN value infers 35% reduction of f^2_π at the normal nuclear density, p = 0.17 fm^<-3>.

• 理論物理学刊行会の論文
• 2003-07-18

著者

• Gilg H.

  Gsi

• Winkler M.

  GSI

• SUZUKI K.

  Department of Biomaterials, Okayama University Graduate School of Medicine, Dentistry and Pharmaceut

• Weick H.

  GSI

• Gaissel H.

  GSI

• H Weick

  Gsi

• Weick H.

  Gesellschaft Fur Schwerionenforschung

• Geissel H.

  Justus‐liebig‐univ. Giessen Deu

• Geissel H.

  Gesellschaft Fuer Schwerionenforschung

• Munzenberg G.

  GSI

• Sato M.

  Department of Physics, Tokyo Institute of Technology

• Weick H.

  Gesellschaft Fuer Schwerionenforschung

• H Geissel

  GSI

• G Muenzenberg

  GSI

• Iwasaki M.

  Infn Laboratori Nazionali Di Frascati:ifin-hh

• Gilg H.

  Physik-department Technische Universitat Munchen

• Geissel H

  Gesellschaft Fuer Schwerionenforsch. Darmstadt Deu

• FUJITA M.

  Department of Physics, Nara Women's University

• GILLITZER A.

  Institut fur Kernphysik, Forschungszentrum Julich

• HAYANO S.

  Department of Physics, University of Tokyo

• HIRENZAKI S.

  Department of Physics, Nara Women's University

• ITAHASHI K.

  Muon Science Laboratory, RIKEN

• IWASAKI M.

  Muon Science Laboratory, RIKEN

• KIENLE P.

  Physik-Department, Technische Universitat Munchen

• MATOS M.

  Gesellschaft fur Schwerionenforschung

• MUNZENBERG G.

  Gesellschaft fur Schwerionenforschung

• OHTSUBO T.

  Department of Physics, Niigata University

• SHINDO M.

  Department of Physics, University of Tokyo

• SUZUKI T.

  Department of Physics, University of Tokyo

• WINKLER M.

  Gesellschaft fur Schwerionenforschung

• YAMAZAKI T.

  RI Beam Science Laboratory, RIKEN

• YONEYAMA T.

  Department of Physics, Tokyo Institute of Technology

• Gillitzer A

  TU-Munchen

• MUNZENBERG G

  GSI

• Steck M.

  Department Of Physics Tokyo Institute Of Technology

• Gillitzer A.

  ミュンヘン工大

• Hirenzaki S.

  Department Of Physics Nara Women's University

• Muunzenberg G.

  Gsi

• Suzuki Kenji

  Department Of Physics Kyushu Insitute Of Technology

• Gillitzer A.

  Institut Fur Kernphysik Forschungszentrum Julich

• Sato M

  Department Of Physics Tokyo Institute Of Technology

• Suzuki T.

  Department Of Physics Saitama University

• SATO Masaaki

  College of General Education, Osaka University

• Suzuki K

  Stefan Meyer Institute For Subatomic Physics Austrian Academy Of Sciences

• SUZUKI Katsuhiko

  Numazu College of Technology

• 板橋 健太

  Nishina Center For Accelerator-based Science Riken

• Ohtsubo T.

  Department Of Physics Niigata University

• Hayano S.

  Department Of Physics University Of Tokyo

• Yoneyama T.

  Department Of Anatomy Shimane Medical University

• Suzuki T.

  Department Of Obstetrics And Gynecology Tokai University School Of Medicine

• WINKLER M.

  Gesellschaft fuer Schwerionenforschung

• Kienle P.

  Physik Department, Technische Universitat Munchen

• SATO Matsuo

  Department of Physics, Graduate School of Science, Osaka University

• Suzuki T.

  Department of Chemistry, Faculty of Science, Kyoto University

• HIRENZAKI S.

  Department of Physics, Nara Women's University

• SUZUKI Kenji

  Department of Physics, Kyushu Institute of Technology

• SUZUKI Kenji

  Department of Physics, Faculty of Engineering, Kyushu Institute of Technology

• SUZUKI Katsuo

  Department of Electric, Electronics, and Computer Engineering, Waseda University

• Sato M.

  Department of Orthopaedic Surgery, Nagoya City University Medical School

• SUZUKI Katsuhiko

  Department of Physics, Tokyo Metropolitan University

• MUNZENBERG G.

  Gesellschaft fuer Schwerionenforschung

• Suzuki Kenji

  Researoh Center for Electron Photon Science,Tohoku University

• Fujita M.

  Department of Physics, Nara Women's University

• Sato M.

  Department of Electronic Engineering Faculty of Engineering Tohoku University

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