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首页> 外文期刊>Nuclear instruments and methods in physics research >Position-sensitive detection of ultracold neutrons with an imaging camera and its implications to spectroscopy
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Position-sensitive detection of ultracold neutrons with an imaging camera and its implications to spectroscopy

机译：成像相机对超冷中子的位置敏感检测及其对光谱学的意义

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摘要

Position-sensitive detection of ultracold neutrons (UCNs) is demonstrated using an imaging charge-coupled device (CCD) camera. A spatial resolution less than 15 μm has been achieved, which is equivalent to a UCN energy resolution below 2 pico-electron-volts through the relation δE = m_0gδx. Here, the symbols δE, δx, m_0 and g are the energy resolution, the spatial resolution, the neutron rest mass and the gravitational acceleration, respectively. A multilayer surface convenor described previously is used to capture UCNs and then emits visible light for CCD imaging. Particle identification and noise rejection are discussed through the use of light intensity profile analysis. This method allows different types of UCN spectroscopy and other applications.
机译：使用成像电荷耦合器件（CCD）摄像机演示了超冷中子（UCN）的位置敏感检测。已经实现了小于15μm的空间分辨率，通过关系δE=m_0gδx，这相当于UCN能量分辨率低于2微微电子伏特。在此，符号δE，δx，m_0和g分别是能量分辨率，空间分辨率，中子静止质量和重力加速度。先前描述的多层表面召集器用于捕获UCN，然后发出可见光以进行CCD成像。通过使用光强度分布分析来讨论粒子识别和噪声抑制。此方法允许使用不同类型的UCN光谱和其他应用程序。

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  • 作者

    Wanchun Wei; L.J. Broussard; M.A. Hoffbauer; M. Makela; C.L. Morris; Z. Tang; E.R. Adamek; N.B. Callahan; S.M. Clayton; C. Cude-Woods; S. Currie; E.B. Dees; X. Ding; P. Geltenbort; K.P. Hickerson; A.T. Holley; T.M. Ito; K.K. Leung; C.-Y. Liu; D.J. Morley; Jose D. Ortiz; R.W. Pattie Jr.; J.C. Ramsey; A. Saunders; S.J. Seestrom; E.I. Sharapov; S.K. Sjue; J. Wexler; T.L. Womack; A.R. Young; B.A. Zeck; Zhehui Wang;

  • 作者单位

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Indiana University, Bloomington, IN 47405, USA;

    Indiana University, Bloomington, IN 47405, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    North Carolina State University, Raleigh, NC 27695, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    North Carolina State University, Raleigh, NC 27695, USA;

    Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA;

    Institut Laue Langevin, 38042 Grenoble, France;

    California Institute of Technology, Pasadena, CA 91125, USA;

    Tennessee Technological University, Cookeville, TN 38505, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    North Carolina State University, Raleigh, NC 27695, USA;

    Indiana University, Bloomington, IN 47405, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Joint Institute for Nuclear Research, 141980 Dubna, Russia;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    North Carolina State University, Raleigh, NC 27695, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    North Carolina State University, Raleigh, NC 27695, USA;

    North Carolina State University, Raleigh, NC 27695, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

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  • 正文语种 eng
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  • 关键词

    Multilayer ~(10)B surface detector; Imaging detector; UCN spectroscopy;

    机译：多层〜（10）B表面检测器;成像探测器UCN光谱;

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