Development and characterization of a multiple-coincidence ion-momentum imaging spectrometer

Laksman J.; Ceolin D.; Mansson E.P.; Sorensen S.L.

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Development and characterization of a multiple-coincidence ion-momentum imaging spectrometer

机译：多重重合离子动量成像光谱仪的研制与表征

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The design and performance of a high-resolution momentum-imaging spectrometer for ions which is optimized for experiments using synchrotron radiation is presented. High collection efficiency is achieved by a focusing electrostatic lens; a long drift tube improves mass resolution and a position-sensitive detector enables measurement of the transverse momentum of ions. The optimisation of the lens for particle momentum measurement at the highest resolution is described. We discuss the overall performance of the spectrometer and present examples demonstrating the momentum resolution for both kinetics and for angular measurements in molecular fragmentation for carbon monoxide and fullerenes. Examples are presented that confirm that complete space-time focussing is possible for a two-field three-dimensional imaging spectrometer.

机译：提出了针对离子的高分辨率动量成像光谱仪的设计和性能，该光谱仪针对使用同步加速器辐射进行的实验进行了优化。聚焦静电透镜可实现高采集效率；较长的漂移管可提高质量分辨率，而位置敏感的检测器可测量离子的横向动量。描述了最高分辨率下用于粒子动量测量的透镜优化。我们讨论了光谱仪的整体性能，并提供了一些示例，演示了用于一氧化碳和富勒烯分子裂解的动力学和角度测量的动量分辨率。给出的例子证实了对于两场三维三维成像光谱仪而言，完整的时空聚焦是可能的。

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《Review of Scientific Instruments》 |2013年第12期|1-8|共8页
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Laksman J.; Ceolin D.; Mansson E.P.; Sorensen S.L.;
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Department of Synchrotron Radiation Research, Lund University, Box 118, S-221 00 Lund, Sweden|c|;

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机译：多重符合离子动量成像光谱仪的开发和表征。

Development and characterization of a multiple-coincidence ion-momentum imaging spectrometer

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