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首页> 外文期刊>Nuclear Instruments & Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment >Development of time projection chamber for precise neutron lifetime measurement using pulsed cold neutron beams
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Development of time projection chamber for precise neutron lifetime measurement using pulsed cold neutron beams

机译：开发时间投影室，以使用脉冲冷中子束精确测量中子寿命

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摘要

A new time projection chamber (TPC) was developed for neutron lifetime measurement using a pulsed cold neutron spallation source at the Japan Proton Accelerator Research Complex (J-PARC). Managing considerable background events from natural sources and the beam radioactivity is a challenging aspect of this measurement. To overcome this problem, the developed TPC has unprecedented features such as the use of polyether-ether-ketone plates in the support structure and internal surfaces covered with ~6Li-enriched tiles to absorb outlier neutrons. In this paper, the design and performance of the new TPC are reported in detail.
机译：在日本质子加速器研究中心（J-PARC），使用脉冲冷中子散裂源开发了一种用于测量中子寿命的新的时间投影室（TPC）。处理来自自然源和射线束放射性的大量背景事件是此测量的一个挑战性方面。为了克服这个问题，已开发的TPC具有前所未有的功能，例如在支撑结构中使用聚醚醚酮板，并在内部表面覆盖约6Li富集的瓷砖，以吸收离群的中子。在本文中，详细介绍了新TPC的设计和性能。

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  • 作者

    Y. Arimoto; N. Higashi; Y. Igarashi; Y. Iwashita; T. Ino; R. Katayama; M. Kitaguchi; R. Kitahara; H. Matsumura; K. Mishima; N. Nagakura; H. Oide; H. Otono; R. Sakakibara; T. Shima; H.M. Shimizu; T. Sugino; N. Sumi; H. Sumino; K. Taketani; G. Tanaka; M. Tanaka; K. Tauchi; A. Toyoda; T. Tomita; T. Yamada; S. Yamashita; H. Yokoyama; T. Yoshioka;

  • 作者单位

    High Energy Accelerator Research Organization, Ibaraki, Japan;

    Graduate School of Science, University of Tokyo, Tokyo, Japan;

    High Energy Accelerator Research Organization, Ibaraki, Japan;

    Institute for Chemical Research, Kyoto University, Kyoto, Japan;

    High Energy Accelerator Research Organization, Ibaraki, Japan;

    Graduate School of Science, University of Tokyo, Tokyo, Japan;

    Kobayashi-Maskawa Institute, Nagoya University, Aichi, Japan;

    Graduate School of Science, Kyoto University, Kyoto, Japan;

    High Energy Accelerator Research Organization, Ibaraki, Japan;

    High Energy Accelerator Research Organization, Ibaraki, Japan;

    Graduate School of Science, University of Tokyo, Tokyo, Japan;

    Graduate School of Science, University of Tokyo, Tokyo, Japan;

    Research Centre for Advanced Particle Physics, Kyushu University, Fukuoka, Japan;

    Department of Physics, Nagoya University, Aichi, Japan;

    Research Center for Nuclear Physics, Osaka University, Osaka, Japan;

    Department of Physics, Nagoya University, Aichi, Japan;

    Department of Physics, Nagoya University, Aichi, Japan;

    Faculty of Sciences, Kyushu University, Fukuoka, Japan;

    Department of Basic Science, University of Tokyo, Tokyo, Japan;

    High Energy Accelerator Research Organization, Ibaraki, Japan;

    Faculty of Sciences, Kyushu University, Fukuoka, Japan;

    High Energy Accelerator Research Organization, Ibaraki, Japan;

    High Energy Accelerator Research Organization, Ibaraki, Japan;

    High Energy Accelerator Research Organization, Ibaraki, Japan;

    Faculty of Sciences, Kyushu University, Fukuoka, Japan;

    Graduate School of Science, University of Tokyo, Tokyo, Japan;

    International Center for Elementary Particle Physics, University of Tokyo, Tokyo, Japan;

    Graduate School of Science, University of Tokyo, Tokyo, Japan;

    Research Centre for Advanced Particle Physics, Kyushu University, Fukuoka, Japan;

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  • 正文语种 eng
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  • 关键词

    Neutron lifetime; Time projection chamber;

    机译：中子寿命;时间投射室;

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