A high-performance multiple-reflection time-of-flight mass spectrometer and isobar separator for the research with exotic nuclei

T. Dickel; W.R. Plass; A. Becker; U. Czok; H. Geissel; E. Haettner; C. Jesch; W. Kinsel; M. Petrick; C. Scheidenberger; A. Simon; M.I. Yavor

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A high-performance multiple-reflection time-of-flight mass spectrometer and isobar separator for the research with exotic nuclei

机译：高性能多反射飞行时间质谱仪和等压线分离器，用于外来核研究

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摘要

A novel multiple-reflection time-of-flight mass spectrometer (MR-TOF-MS) and isobar separator for the research with exotic nuclides at low-energy rare isotope beam facilities has been developed, commissioned and characterized. It can be used (ⅰ) as broadband mass spectrometer with medium resolution, (ⅱ) as highly accurate mass spectrometer for direct mass measurements and (ⅲ) as high-resolution mass separator. The device features a worldwide unique combination of performance characteristics: a mass resolving power of 600,000 (FWHM), a mass measurement accuracy of ～ 10~(-7), large ion capacities in excess of 10~6 ions per second, a transmission efficiency of up to 70%, single-ion sensitivity, and cycle frequencies of up to 400 Hz have been achieved. The spatial separation of close-lying isobars with an intensity ratio of 200:1 and a binding energy difference as small as 4 MeV has been demonstrated. The MR-TOF-MS is ideally suited for experiments with rare and very short-lived nuclei at present and future in-flight, ISOL or IGISOL facilities, such as the FRS Ion-Catcher and SHIP/SHIPTRAP at GSI, TITAN at TRIUMF, IGISOL at the University of Jyvaeskylae and the Low-Energy Branch of the Super-FRS at FAIR.

机译：已经开发，调试和表征了一种新型多反射飞行时间质谱仪（MR-TOF-MS）和等压线分离器，用于在低能稀有同位素束设施中研究外来核素。它可用作中等分辨率的宽带质谱仪，用作直接质量测量的高精度质谱仪，用作高分辨率质量分离器。该设备具有全球范围内独特的性能特征组合：60万的质量分辨能力（FWHM），质量测量精度〜10〜（-7），每秒超过10〜6离子的大离子容量，传输效率最高可达70％的单离子灵敏度和高达400 Hz的循环频率。已经证明了强度比为200：1且结合能差小至4 MeV的紧密等压线的空间分隔。 MR-TOF-MS非常适合在当前和将来的机上，ISOL或IGISOL设施中使用稀有且寿命很短的核进行实验，例如FSI离子捕集器和GSI的SHIP / SHIPTRAP，TRIUMF的TITAN，于韦斯屈莱大学的IGISOL和FAIR的Super-FRS的低能部门。

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《Nuclear instruments and methods in physics research》 |2015年第21期|172-188|共17页
作者
T. Dickel; W.R. Plass; A. Becker; U. Czok; H. Geissel; E. Haettner; C. Jesch; W. Kinsel; M. Petrick; C. Scheidenberger; A. Simon; M.I. Yavor;
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Ⅱ. Physikalisches Institut, Justus-Liebig-Universitaet Giessen, 35392 Giessen, Germany,GSI Helmholtzzentrum fuer Schwerionenforschung, 64291 Darmstadt, Germany;

Ⅱ. Physikalisches Institut, Justus-Liebig-Universitaet Giessen, 35392 Giessen, Germany,GSI Helmholtzzentrum fuer Schwerionenforschung, 64291 Darmstadt, Germany;

Ⅱ. Physikalisches Institut, Justus-Liebig-Universitaet Giessen, 35392 Giessen, Germany;

Ⅱ. Physikalisches Institut, Justus-Liebig-Universitaet Giessen, 35392 Giessen, Germany;

Ⅱ. Physikalisches Institut, Justus-Liebig-Universitaet Giessen, 35392 Giessen, Germany,GSI Helmholtzzentrum fuer Schwerionenforschung, 64291 Darmstadt, Germany;

Ⅱ. Physikalisches Institut, Justus-Liebig-Universitaet Giessen, 35392 Giessen, Germany,GSI Helmholtzzentrum fuer Schwerionenforschung, 64291 Darmstadt, Germany;

Ⅱ. Physikalisches Institut, Justus-Liebig-Universitaet Giessen, 35392 Giessen, Germany;

Ⅱ. Physikalisches Institut, Justus-Liebig-Universitaet Giessen, 35392 Giessen, Germany,GSI Helmholtzzentrum fuer Schwerionenforschung, 64291 Darmstadt, Germany;

Ⅱ. Physikalisches Institut, Justus-Liebig-Universitaet Giessen, 35392 Giessen, Germany;

Ⅱ. Physikalisches Institut, Justus-Liebig-Universitaet Giessen, 35392 Giessen, Germany,GSI Helmholtzzentrum fuer Schwerionenforschung, 64291 Darmstadt, Germany;

Ⅱ. Physikalisches Institut, Justus-Liebig-Universitaet Giessen, 35392 Giessen, Germany;

Institute for Analytical Instrumentation, Russian Academy of Sciences, St. Petersburg, Russia;

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关键词
Time-of-flight mass spectrometer; Multiple reflection; Isobar separator; Direct mass measurement; Exotic nuclei;

机译：飞行时间质谱仪;多次反射;等压线分离器;直接质量测量;外来核;

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专利

1. Ion-optical design of a high-performance multiple-reflection time-of-flight mass spectrometer and isobar separator [J] . Yavor Mikhail I., Plass Wolfgang R., Dickel Timo, International journal of mass spectrometry . 2015,第Null期

机译：高性能多反射飞行时间质谱仪和等压线分离器的离子光学设计
2. Isobar Separation in a Multiple-Reflection Time-of-Flight Mass Spectrometer by Mass-Selective Re-Trapping [J] . Dickel Timo, Plass Wolfgang R., Lippert Wayne, Journal of the American Society for Mass Spectrometry . 2017,第6期

机译：通过质量选择性重新捕获，在多反射飞行时间质谱仪中分离
3. High-resolution, accurate multiple-reflection time-of-flight mass spectrometry for short-lived, exotic nuclei of a few events in their ground and low-lying isomeric states [J] . San Andres Samuel Ayet, Hornung Christine, Ebert Jens, Physical review, C . 2019,第6期

机译：高分辨率，精确的多反射飞行时间质谱法，用于少数事件的短寿命，异乎寻常的核，低洼的异构状态
4. Multiple-Reflection Time-of-Flight Mass Spectrometers for the Research With Exotic Nuclei and for Analytical Mass Spectrometry [C] . Wolfgang R. Plass, Timo Dickel, Jens Ebert, American Society for Mass Spectrometry Conference on Mass Spectrometry and Allied Topics . 2013

机译：多反射型飞行时间质谱仪，用于研究异国核和分析质谱法
5. Development of a quadrupole ion trap / time-of-flight mass spectrometer for mass resolution and ion photophysics. [D] . Dangi, Beni B. 2011

机译：开发用于质量分辨率和离子光物理的四极离子阱/飞行时间质谱仪。
6. Separation of Isobaric Compounds Using a Spiral Orbit Type Time-of-Flight Mass Spectrometer MALDI-SpiralTOF [O] . Takaya Satoh, Ayumi Kubo, Hisanao Hazama, 2014

机译：使用螺旋轨道型飞行时间质谱仪MALDI-SpiralTOF分离同量化合物
7. The multiple-reflection time-of-flight isobar separator for TITAN and direct mass measurements at the FRS Ion Catcher [O] . Jesch Christian 2016

机译：用于TITAN的多次反射飞行时间等压线分离器和FRS离子捕集器的直接质量测量
8. Time-of-Flight Isochronous (TOFI) Spectrometer for Direct Mass Measurements of Exotic Light Nuclei. [R] . Wouters, J. M., Vieira, D. J., Wollnik, H., 1986

机译：用于外来光核的直接质量测量的飞行时间等时（TOFI）光谱仪。

A high-performance multiple-reflection time-of-flight mass spectrometer and isobar separator for the research with exotic nuclei

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