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

Christian Roux; Klaus Blaum; Michael Block; Christian Droese; Sergey Eliseev; Mikhail Goncharov; Frank Herfurth; Enrique Minaya Ramirez; Dmitry Alexandrovich Nesterenko; Yuri Nikolaevich Novikov; Lutz Schweikhard

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

机译：使用SHIPTRAP *进行双电子捕获的Q值测量的数据分析*

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measurement campaign has been carried out for the search for resonantly enhanced neutrinoless double-electron-capture transitions by the determination of the Q_(ee)-values with the SHIPTRAP Penning-trap mass spectrometer. The Q_(ee)-values have been determined by measuring the cyclotronfrequency 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 ~(152)Gd. 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Q_（ee）值，已经开展了一系列测量活动，以寻求共振增强的无中微子双电子捕获跃迁。 Q_（ee）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〜（152）Gd中无中微子双电子俘获为例描述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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《The European physical journal, D. Atomic, molecular, and optical physics》 |2013年第7期|共9页
作者
Christian Roux; Klaus Blaum; Michael Block; Christian Droese; Sergey Eliseev; Mikhail Goncharov; Frank Herfurth; Enrique Minaya Ramirez; Dmitry Alexandrovich Nesterenko; Yuri Nikolaevich Novikov; Lutz Schweikhard;
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正文语种 eng
中图分类 53.8;
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Data analysis; Q-value measurements; double-electron capture with SHIPTRAP;

机译：数据分析;Q值测量;SHIPTRAP进行双电子捕获;

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机译：SHIPTRAP用于双电子捕获的Q值测量的数据分析
2. Octupolar-Exdtation Penning-Trap Mass Spectrometry for g-Value Measurement of Double-Electron Capture in ~(164)Er [J] . S. Eliseev, C. Roux, K. Blaum, Physical review letters . 2011,第15期

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

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