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首页> 外文期刊>Nuclear Instruments & Methods in Physics Research >The TransActinide Separator and Chemistry Apparatus (TASCA) at GSI - Optimization of ion-optical structures and magnet designs
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The TransActinide Separator and Chemistry Apparatus (TASCA) at GSI - Optimization of ion-optical structures and magnet designs

机译：GSI的TransActinide分离器和化学仪器（TASCA）-离子光学结构和磁体设计的优化

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摘要

The new, highly efficient gas-filled TransActinide Separator and Chemistry Apparatus (TASCA) was designed and built at GSI with the aim to study chemical and physical properties of superheavy elements with atomic numbers 104 and higher produced in heavy-ion reactions with actinide targets. To reach the highest possible transmission, while exploiting an existing dipole magnet and two quadru-poles of a previously used gas-filled separator, an optimization of the ion-optical structure of TASCA was performed with the program TRANSPORT. Two modes of TASCA operation, the "High Transmission Mode" and the "Small Image-size Mode" were selected. Magnetic field measurements were carried out with the dipole and were compared with KOMPOT model calculations. Magnetic field model calculations of the dipole and the quadrupoles, including a duct and a large exit valve, were performed to optimize the pole pieces of the dipole and the ducts. This increased the efficiency up to 50%. Both modes of operation were successfully tested in first commissioning experiments.
机译：在GSI上设计并建造了新型的高效充气式TransActinide分离器和化学仪器（TASCA），旨在研究原子序数为104或更高的超重元素与act系元素靶的重离子反应中产生的化学和物理性质。为了达到最高的透射率，同时利用现有的偶极磁体和先前使用的充气式隔膜的两个四极杆，通过程序TRANSPORT对TASCA的离子光学结构进行了优化。选择了TASCA操作的两种模式，即“高透射模式”和“小图像尺寸模式”。用偶极子进行磁场测量，并将其与KOMPOT模型计算进行比较。进行偶极子和四极子（包括管道和大型出口阀）的磁场模型计算，以优化偶极子和管道的极靴。这样可以将效率提高到50％。两种操作模式均已在首次调试实验中成功测试。

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  • 来源
    《Nuclear Instruments & Methods in Physics Research》 |2008年第20期|p.4153-4161|共9页
  • 作者

    A. Semchenkov; W. Bruechle; E. Jaeger; E. Schimpf; M. Schaedel; C. Muehle; F. Klos; A. Tuerler; A. Yakushev; A. Belov; T. Belyakova; M. Kaparkova; V. Kukhtin; E. Lamzin; S. Sytchevsky;

  • 作者单位

    GSI, Gesettschaft fuer Schwerionenforschung mbH, Planckstrasse 1, 64291, Darmstadt, Germany,TV Munchen, Institut fuer Radiochemic, Walther-Meissner-Str. 3, D-85748, Garching, Germany,SAFE-center, Fysisk institutt, Sem Saelands vei 24, Postboks 1048 Blindern, 0316 Oslo, Norway;

    GSI, Gesettschaft fuer Schwerionenforschung mbH, Planckstrasse 1, 64291, Darmstadt, Germany;

    GSI, Gesettschaft fuer Schwerionenforschung mbH, Planckstrasse 1, 64291, Darmstadt, Germany;

    GSI, Gesettschaft fuer Schwerionenforschung mbH, Planckstrasse 1, 64291, Darmstadt, Germany;

    GSI, Gesettschaft fuer Schwerionenforschung mbH, Planckstrasse 1, 64291, Darmstadt, Germany;

    GSI, Gesettschaft fuer Schwerionenforschung mbH, Planckstrasse 1, 64291, Darmstadt, Germany;

    GSI, Gesettschaft fuer Schwerionenforschung mbH, Planckstrasse 1, 64291, Darmstadt, Germany;

    TV Munchen, Institut fuer Radiochemic, Walther-Meissner-Str. 3, D-85748, Garching, Germany;

    TV Munchen, Institut fuer Radiochemic, Walther-Meissner-Str. 3, D-85748, Garching, Germany;

    Efremov Institute, 196641, NHEFA, Metallostroy, St. Petersburg, Russia;

    Efremov Institute, 196641, NHEFA, Metallostroy, St. Petersburg, Russia;

    Efremov Institute, 196641, NHEFA, Metallostroy, St. Petersburg, Russia;

    Efremov Institute, 196641, NHEFA, Metallostroy, St. Petersburg, Russia;

    Efremov Institute, 196641, NHEFA, Metallostroy, St. Petersburg, Russia;

    Efremov Institute, 196641, NHEFA, Metallostroy, St. Petersburg, Russia;

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  • 正文语种 eng
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  • 关键词

    gas-filled separator; ion-optical calculations; dipole and quadrupole magnets;

    机译：充气分离器离子光学计算;偶极和四极磁铁;

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