23. Event-related potentials related to memory recall, comparison and judgment of the motion direction

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• 作者：Toshifumi Sugiura ; Yusuke Nakano ; Isao Takahashi ; Hisashi Hirata ; Yoshimitsu Okita
• 关键词：Meson systems ; Hadrogenesis conjecture ; Chiral Lagrangian
• 刊名：Clinical Neurophysiology
• 出版年：2008
• 期刊代码：61_13882457
• 类别：med
• 出版时间：June 2008
• 卷：119
• 期：6
• 页码：e80-e81
• 文件大小：44 K

摘要

We study the spectrum and isospin-violating strong decays of charmed mesons with strangeness. The scalar and the axial-vector states are generated by coupled-channel dynamics based on the leading order chiral Lagrangian. The effect of chiral corrections is investigated. We show that taking into account large- relations implies a measurable signal for an exotic axial-vector state in the ηD^* invariant mass distribution. The hadronic decay widths of the scalar and the axial-vector are predicted to be 140 keV.