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首页> 外文期刊>Nuclear Instruments & Methods in Physics Research >Development of high intensity laser-electron photon beams up to 2.9 GeV at the SPring-8 LEPS beamline
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Development of high intensity laser-electron photon beams up to 2.9 GeV at the SPring-8 LEPS beamline

机译:在SPring-8 LEPS光束线上开发高达2.9 GeV的高强度激光电子光子束

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摘要

A laser-Compton backscattering beam, which we call a 'Laser-Electron Photon' beam, was upgraded at the LEPS beamline of SPring-8. We accomplished the gains in backscattered photon beam intensities by factors of 1.5-1.8 with the injection of two adjacent laser beams or a higher power laser beam into the storage ring. The maximum energy of the photon beam was also extended from 2.4 GeV to 2.9 GeV with deep-ultraviolet lasers. The upgraded beams have been utilized for hadron photoproduction experiments at the LEPS beamline. Based on the developed methods, we plan the simultaneous injection of four high power laser beams at the LEPS2 beamline, which has been newly constructed at SPring-8. As a simulation result, we expect an order of magnitude higher intensities close to 10~7s~(-1) and 10~6s~(-1) for tagged photons up to 2.4 GeV and 2.9 GeV, respectively.
机译:在SPring-8的LEPS光束线上对激光康普顿背向散射光束(我们称为“激光电子光子”光束)进行了升级。通过向存储环中注入两个相邻的激光束或一个更高功率的激光束,我们以1.5-1.8的系数实现了反向散射光子束强度的增益。利用深紫外激光,光子束的最大能量也从2.4 GeV扩展到2.9 GeV。升级后的光束已被用于LEPS光束线的强子照相生产实验。基于已开发的方法,我们计划同时在SPring-8新建的LEPS2光束线上同时注入四束高功率激光束。作为模拟结果,我们期望分别高达2.4 GeV和2.9 GeV的带标记光子的强度强度分别接近10〜7s〜(-1)和10〜6s〜(-1)。

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    Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan ,Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

    Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

    Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5143, Japan;

    Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan;

    Department of Physics, Konan University, Kobe, Hyogo 658-8501, Japan;

    Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

    Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

    J-PARC Center, Japan Atomic Energy Agency, Tokai-mura, Ibaraki 319-1195, Japan;

    Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

    Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan;

    Department of Physics, Yamagata University, Yamagata 990-8560, Japan;

    Department of Physics, Nagoya University, Nagoya, Aichi 464-8602, Japan;

    Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

    National Defence Academy in Japan, Yokosuka, Kanagawa 239-8686, Japan;

    High Energy Accelerator Research Organization, KEK, Tsukuba, Ibaraki 305-0801, Japan;

    Department of Physics, Yamagata University, Yamagata 990-8560, Japan;

    Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

    Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

    Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

    Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5143, Japan;

    Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

    Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

    Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

    Akita Research Institute of Brain and Blood Vessels, Akita 010-0874, Japan;

    Illinois Institute of Technology, Chicago, IL 60616, USA;

    Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

    Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

    Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan;

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  • 正文语种 eng
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  • 关键词

    Laser-Compton backscattering; High energy photons; High intensity beam; Electron storage ring; Hadron photoproduction experiment;

    机译:激光康普顿反向散射;高能光子;高强度光束;电子存储环;强子照相制作实验;

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