The performance study of an electro-magnetic calorimeter for the LEPS2/BGOegg experiment

被引：0

作者：

Matsumura, Yuji ^{[1
]}

Ishikawa, Takatsugu ^{[1
]}

Miyabe, Manabu ^{[1
]}

Muramatsu, Norihito ^{[1
]}

Shimizu, Hajime ^{[1
]}

Hamano, Hirotomo ^{[2
]}

Hashimoto, Toshikazu ^{[3
]}

Kido, Satoshi ^{[1
]}

Masumoto, Shin'ichi ^{[4
]}

Mizutani, Keigo ^{[3
]}

Ozawa, Kyoichiro ^{[5
]}

Shibukawa, Takuya ^{[4
]}

Shiraishi, Ken'ichiro ^{[1
]}

Tokiyasu, Atsushi ^{[1
]}

Tomida, Natsuki ^{[2
]}

Tran, Nam ^{[2
]}

Tsuchikawa, Yusuke ^{[1
]}

Yamazaki, Hirohito ^{[1
]}

Yamazaki, Ryuji ^{[1
]}

Yosoi, Masaru ^{[2
]}

机构：

[1] Tohoku Univ, Res Ctr Electron Photon Sci, Sendai, Miyagi 9820826, Japan

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

[3] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan

[4] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan

[5] High Energy Accelerator Res Org KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki 3050801, Japan

来源：

PROCEEDINGS OF THE 10TH INTERNATIONAL WORKSHOP ON THE PHYSICS OF EXCITED NUCLEONS (NSTAR2015) | 2016年

关键词：

meson photoproduction; electro-magnetic calorimeter; eta ' mesic nuclei;

D O I：

10.7566/JPSCP.10.032011

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

An experiment to search for eta' mesic nuclei using photoproduction reaction is being carried out at SPring-8/LEPS2 facility. The final state is identified by detecting gamma's from eta decay using an electromagnetic calorimeter BGOegg. The energy calibration has been performed and the mass resolutions have been studied. pi(0), eta, eta' mesons have been clearly observed in the 2 gamma invariant mass distribution with mass resolutions of 6.7, 14.4, and 18.8 MeV/c(2), respectively.

引用

页数：4

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