| Energy calibration of tagged photons by the d(γ,π~-pp) reaction |
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| 作者单位： | HAN Yun-Cheng,WANG Tie-Shan(School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China);Nobuyuki Chiga,Yu Fujii,Kenta Putatsukawa,Osamu Hashimoto,Hiroki Kanda,Masashi Kaneta,Daisuke Kawama,Yue Ma,Kazushige Maeda,Tomofumi Maruta,Nayuta Maruyama,Akihiko Matsumura,Youhei Miyagi,Koji Miwa,Satoshi N. Nakamura,Koutarou Shirotori,Hirokazu Tamura,Kyo Tsukada(Department of Physics, Tohoku University, Sendai, 980-8578, Japan);Kentaro Hirose,Takatsugu Ishikawa,Hajime Shimizu,Koutaku Suzuki,Tadaaki Tamae,Hirohito Yamazaki(Laboratory of Nuclear Science, Tohoku University, Sendai, 982-0826, Japan) |
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| 摘 要： | The energy of tagged photons, which were provided from the internal photon tagging system of the Laboratory of Nuclear Science, Tohoku University, has been calibrated using the d(γ,π-pp) reaction. Charged pions and protons in the final state were detected with the Neutral Kaon Spectrometer (NKS2). Photon energies were obtained from the reaction of d(γ,π-pp). The derived photon energy was consistent with the design of the tagger system and the previous measurement using electron-positron pair production. The consistency demonstrates the performance of NKS2 and the capability of the photon energy calibration using d(γ,π-pp).
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