The second GeV tagged photon beamline at ELPH

T. Ishikawa,H. Fujimura,R. Hashimoto, T. Ishida,J. Kasagi,T. Kinoshita,S. Kuwasaki,F. Miyahara, A. Miyamoto,K. Mochizuki,T. Nakabayashi,M. Nanao,K. Nawa,Y. Okada,K. Okamura,Y. Onodera,Y. Saito,K. Satou,M. Sengoku,H. Shimizu,K. Suzuki,S. Suzuki,Y. Tajima, T. Takahashi,H. Yamazaki, H. Yonemura,H.Y. Yoshida

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2010）

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摘要

The second GeV bremsstrahlung photon beamline has been constructed for meson photo-production experiments at Research Center for Electron Photon Science, Tohoku University, where a 1200MeV electron synchrotron called STretcher Booster (STB) has been in operation primarily for Quark Nuclear Physics. An internal radiator is employed to produce the bremsstrahlung photon beam out of circulating electrons in the STB ring. A photon tagging system is placed inside one of the bending magnets of the ring. The tagged energy of the photon beam ranges from 740 to 1150MeV for 1200MeV operation of the STB synchrotron. The details of the tagging system and the characteristics of the photon beam are described.

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关键词

Photo-production,Tagged photon beam,STB ring,Internal radiator

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