Status and future plan of the spectroscopy of pionic atoms

被引：0

作者：

Watanabe, Y. N. ^{[1
]}

Berg, G. P. A. ^{[2
]}

Dozono, M. ^{[3
]}

Fujioka, H. ^{[4
]}

Fukuda, N. ^{[3
]}

Furuno, T. ^{[4
]}

Geissel, H. ^{[5
]}

Hayano, R. S. ^{[1
]}

Inabe, N. ^{[3
]}

Itahashi, K. ^{[3
]}

Itoh, S. ^{[1
]}

Kameda, D. ^{[3
]}

Kubo, T. ^{[3
]}

Matsubara, H. ^{[6
]}

Michimasa, S. ^{[7
]}

Miki, K. ^{[8
]}

Miya, H. ^{[7
]}

Murakami, Y. ^{[1
]}

Nakamura, M. ^{[3
]}

Nakatsuka, N. ^{[4
]}

Nishi, T. ^{[1
]}

Noji, S. ^{[1
]}

Okochi, K. ^{[1
]}

Ota, S. ^{[7
]}

Suzuki, H. ^{[3
]}

Suzuki, K. ^{[9
]}

Takaki, M. ^{[7
]}

Takeda, H. ^{[3
]}

Tanaka, Y. K. ^{[1
]}

Todoroki, K. ^{[1
]}

Tsukada, K. ^{[10
]}

Uesaka, T. ^{[3
]}

Weick, H. ^{[5
]}

Yamada, H. ^{[1
]}

Yamakami, H. ^{[4
]}

Yoshida, K. ^{[3
]}

机构：

[1] Univ Tokyo, Tokyo 1130033, Japan

[2] Univ Notre Dame, Dept Phys, JINA, Notre Dame, IN 46556 USA

[3] RIKEN, Nishina Ctr Accelerator Based Sci, Wako, Saitama 351, Japan

[4] Kyoto Univ, Dept Phys, Kyoto 606, Japan

[5] GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64691 Darmstadt, Germany

[6] Natl Inst Radiol Sci NIRS, Chiba 263, Japan

[7] Univ Tokyo, Ctr Nucl Study, Tokyo 113, Japan

[8] Osaka Univ, Nucl Phys Res Ctr, Osaka 5670047, Japan

[9] Stefan Meyer Inst subatomare Phys, A-1090 Vienna, Austria

[10] Tohoku Univ, Dept Phys, Obihiro, Hokkaido 080, Japan

来源：

FAIRNESS 2013: FAIR NEXT GENERATION OF SCIENTISTS 2013 | 2014年 / 503卷

关键词：

PARTIAL RESTORATION;

D O I：

10.1088/1742-6596/503/1/012037

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The spectroscopy of deeply bound pionic atoms provides a way to understand the restoration of chiral symmetry breaking at unite density. We have been performing a series of experiments of missing-mass spectroscopy of the (d,He-3) reaction at HIRE to investigate pionic atoms of several Sn isotopes. As a first step, we conducted a pilot experiment to measure deeply bound pionic states of Sn-121 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 Is state is 20 counts/day, indicating the experiment is feasible.

引用

页数：5

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