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Data analysis of Q-value measurements for double-electron capture with SHIPTRAP

机译:SHIPTRAP用于双电子捕获的Q值测量的数据分析

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摘要

A measurement campaign has been carried out for the search for resonantly enhanced neutrinoless double-electron-capture transitions by the determination of the Q εε -values with the SHIPTRAP Penning-trap mass spectrometer. The Q εε -values have been determined by measuring the cyclotron-frequency ratios of the mother and daughter nuclides of the transitions. This article describes the experimental approach and the data analysis by the example of neutrinoless double-electron capture in 152Gd. Various effects as, e.g., temporal fluctuations and spatial inhomogeneity of the magnetic field, or the variation of the ion number in the trap were found not to affect the frequency ratio on the 1 ppb-level, which is the present statistical uncertainty.
机译:通过使用SHIPTRAP Penning-trap质谱仪确定Qεε值,已经进行了测量活动以寻找共振增强的无中微子双电子俘获跃迁。 Qεε值是通过测量跃迁的母核和子核的回旋频率比确定的。本文以152Gd中微子双电子俘获为例,介绍了实验方法和数据分析。发现各种影响,例如磁场的时间波动和空间不均匀性,或阱中离子数的变化,都不会影响1 ppb级的频率比,这是目前的统计不确定性。

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  • 来源
    《The European Physical Journal D》 |2013年第7期|1-9|共9页
  • 作者单位

    Max-Planck-Institut für Kernphysik">(1571);

    Fakultät für Physik und Astronomie Ruprecht-Karls-Universität">(2571);

    Max-Planck-Institut für Kernphysik">(1571);

    GSI Helmholtzzentrum für Schwerionenforschung GmbH">(3571);

    Institut für Physik Ernst-Moritz-Arndt-Universität">(4571);

    Max-Planck-Institut für Kernphysik">(1571);

    Max-Planck-Institut für Kernphysik">(1571);

    Fakultät für Physik und Astronomie Ruprecht-Karls-Universität">(2571);

    GSI Helmholtzzentrum für Schwerionenforschung GmbH">(3571);

    GSI Helmholtzzentrum für Schwerionenforschung GmbH">(3571);

    Helmholtz-Institut Mainz Johannes Gutenberg-Universität">(5571);

    Petersburg Nuclear Physics Institute">(6571);

    Department of Physics St. Petersburg State University">(7571);

    Petersburg Nuclear Physics Institute">(6571);

    Department of Physics St. Petersburg State University">(7571);

    Institut für Physik Ernst-Moritz-Arndt-Universität">(4571);

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Atomic Physics;

    机译:原子物理学;

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