Experimental Study of in-medium meson modification at the KEK 12 GeV PS(Hadrons at finite density)

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概要

• 論文の詳細を見る

• Invariant mass spectra of low-mass vector mesons in the e^+e^- channel are measured in 12 GeV p+C and p+Cu reactions (√<s>=5.1 GeV) at the KEK 12 GeV Proton Synchrotron. A significant excess is observed on the low-mass side of the ω meson peak over the known hadronic sources in the data of both C and Cu targets. Furthermore, an excess is found below the φ meson peak in the Cu target data in the slowest βγ region (βγ<1.25). They can be interpreted as signatures of the spectral modification of vector mesons in cold nuclear matter.

• 素粒子論グループ 素粒子研究編集部の論文
• 2006-11-20

著者

• Miwa K.

  Department of Physics, Kyoto University

• Iwasaki M.

  Infn Laboratori Nazionali Di Frascati:ifin-hh

• Murakami T.

  Department of Physics, Kyoto University

• Sekimoto M.

  KEK

• Nakano T.

  Department Of Physics Kyoto University

• Yokkaichi Satoshi

  Riken

• H. FUNAHASHI

  Department of Physics, Kyoto University

• Ieiri M.

  Ipns Kek

• FUNAHASHI H.

  Department of Physics, Kyoto University

• Muto R.

  KEK (High Energy Accelerator Research Organization)

• Yokkaichi S.

  RIKEN Nishina Center, RIKEN

• Sugimoto M.

  High Energy Accelerator Research Organization (kek)

• Murakami Tetsuya

  Department Of Physics Kyoto University

• Nakamura M.

  Icrr Univ. Of Tokyo

• Kanda H.

  Department of Physics, Tolioku University

• Yokkaichi S.

  Riken

• Chiba J.

  IPNS, KEK

• Fukao Y.

  Department of Physics, Kyoto University

• Hamagaki H.

  Center for Nuclear Study, Graduate School of Science, University of Tokyo

• Ieiri M.

  IPNS, KEK

• Ishino M.

  Department of Physics, Kyoto University

• Kitaguchi M.

  Department of Physics, Kyoto University

• Mihara S.

  Department of Physics, Kyoto University

• Miyashita T.

  Department of Physics, Kyoto University

• Muto R.

  RIKEN

• Nakura T

  Department of Physics, Kyoto University

• Naruki M.

  RIKEN

• Ozawa K.

  Center for Nuclear Study, Graduate School of Science, University of Tokyo

• Sakuma F.

  Department of Physics, Kyoto University

• Sasaki O.

  IPNS, KEK

• Sekimoto M.

  IPNS, KEK

• Tabaru T.

  RIKEN

• Tanaka K.

  IPNS, KEK

• Togawa M.

  Department of Physics, Kyoto University

• Yamada S.

  Department of Physics, Kyoto University

• Yoshimura Y.

  Department of Physics, Kyoto University

• CHIBA Junsei

  KEK

• FUNAHASHI Haruhiko

  Department of Physics, Kyoto University

• MUTO Ryotaro

  RIKEN

• SEKIMOTO Michiko

  KEK

• TANAKA K.H.

  理研

• SEKIMOTO M.

  High Energy Accelerator Research Organization (KEK)

• Hamagaki Hideki

  Center For Nuclear Study Graduate School Of Science University Of Tokyo

• Murakami T.

  Department Of Physics Kyoto University

• Naruki M

  Department Of Physics Kyoto University

• Ishino Masaya

  Icepp University Of Tokyo

• Yokkaichi S.

  Riken Nishina Center Riken

• Nomachi M.

  Riken Nishina Center Riken

• Sumihama M.

  Department Of Physics Tohoku University

• Funahashi H

  Department Of Physics Kyoto University

• Tanaka K.h.

  Kek

• Murakami T.

  Department Of Applied Physics National Defense Academy

• Hamagaki H.

  Center For Nuclear Study Graduate School Of Science University Of Tokyo

• Sakuma Fuminori

  Department Of Physics Kyoto University

• Yoshimura Y.

  Department Of Physics Kyoto University

• Teranaka M.

  Department Of Physics Rikkyo University

• Nagae T.

  Laboratory Of Nuclear Science Tohoku University

• TAGUCHI M.

  Rikkyo University

• Tanaka K.

  Ipns Kek

• Miyano K.

  Tohoku University

• En'yo Hideto

  Riken

• Yoshimura Y.

  Department Of Oral And Maxillofacial Surgery Shimane Medical University

• Kanda H.

  Department Of Physics Kyoto University

• En'yo H.

  Riken

• Sakuma F.

  Riken Nishina Center Riken

• Ishino M.

  Department Of Physics Kyoto University

• Fukao Y.

  Department Of Physics Kyoto University

• Kitaguchi M.

  Department Of Physics Kyoto University

• Nakabayashi T.

  Laboratory of Nuclear Science, Tohoku University

• Sekimoto M.

  Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency

• Taguchi M.

  Department of Physics, Rikkyo University

• Funahashi H.

  Department of Physics. Kyoto University

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