Status and future plan of the spectroscopy of pionic atoms

Y. N. Watanabe, G. P.A. Berg, M. Dozono, H. Fujioka, N. Fukuda, T. Furuno, H. Geissel, R. S. Hayano, N. Inabe, K. Itahashi, S. Itoh, D. Kameda, T. Kubo, H. Matsubara, S. Michimasa, K. Miki, H. Miya, Y. Murakami, M. Nakamura, N. NakatsukaT. Nishi, S. Noji, K. Okochi, S. Ota, H. Suzuki, K. Suzuki, M. Takaki, H. Takeda, Y. K. Tanaka, K. Todoroki, K. Tsukada, T. Uesaka, H. Weick, H. Yamada, H. Yamakami, K. Yoshida

研究成果: ジャーナルへの寄稿会議記事査読

抄録

The spectroscopy of deeply bound pionic atoms provides a way to understand the restoration of chiral symmetry breaking at finite density. We have been performing a series of experiments of missing-mass spectroscopy of the (d, 3He) reaction at RIBF to investigate pionic atoms of several Sn isotopes. As a first step, we conducted a pilot experiment to measure deeply bound pionic states of 121Sn and successfully observed the deeply bound pionic states. In addition to the experiment at RIBF, we are planning the spectroscopy of deeply bound pionic atoms in inverse kinematics and conducted a feasible study by simulations. We showed that by using a deuterium gaseous active target TPC and silicon detectors, the Q-value resolution is about 500 keV (FWHM) and the yield of the pionic 1s state is 20 counts/day, indicating the experiment is feasible.

本文言語英語
論文番号012037
ジャーナルJournal of Physics: Conference Series
503
1
DOI
出版ステータス出版済み - 2014
外部発表はい
イベントFAIR NExt Generation of ScientistS 2013, FAIRNESS 2013 - Berlin, ドイツ
継続期間: 16-09-201321-09-2013

All Science Journal Classification (ASJC) codes

  • 物理学および天文学一般

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