First Measurements with the BEta deLayEd Neutron Detector (BELEN-20) at JYFLTRAP
First Measurements with the BEta deLayEd Neutron Detector (BELEN-20) at JYFLTRAP
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在 JYFLTRAP 使用 BEta 延迟中子探测器 (BELEN-20) 进行首次测量
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发表时间：
2011
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通讯作者：
E. Valencia
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作者：
M. B. Gómez;J. Rissanen;J. Tain;A. Algora;D. Cano;J. Agramunt;V. Gorlychev;R. Caballero;T. Martinez;L. Achouri;J. Äysto;G. Cortés;V. Elomaa;T. Eronen;A. García;J. Hakala;A. Jokinen;P. Karvonen;V. Kolhinen;I. Moore;M. Pârlog;H. Penttilä;Z. Podolyák;C. Pretel;M. Reponen;V. Sonnenschein;E. Valencia
正在为FAIR/DESPEC实验开发的BEta deLayEd中子探测器原型已首次用于JYFL（芬兰）的一项实验。该探测器基于3 He计数器，其第一次运行主要是为了调试探测器并验证未来实验的工作原理。一个新的无源数据采集器已经开发了这些测量。该DAQ为事件打上时间戳，并允许完全灵活地离线构建相关性。使用IGISOL设施的JYFLTRAP Penning陷阱装置获得同位素纯束，并将其植入BELEN-20探测器中心的可移动带上。测量是针对已知的用于核能发电的感兴趣的缓发中子发射体进行的：88 Br、94、95 Rb、138 I。本文介绍了BELEN-20探测器的特点和JYFL的首次实验。
A prototype version of the BEta deLayEd Neutron detector, which is being developed for the FAIR/DESPEC experiment, has been used for the first time in an experiment at JYFL (Finland). This detector is based on 3He counters and its first run was primarily intended to commission the detector and verify the working principles for future experiments. A new triggerless DAQ has been developed for these measurements. This DAQ time-stamps the events and allows complete flexibility to construct correlations offline. An isotopically pure beam was obtained using the JYFLTRAP Penning trap setup at the IGISOL facility and it was implanted on a movable tape placed in the centre of the BELEN-20 detector. The measurements were performed for known delayed neutron emitters of interest for nuclear power generation: 88Br, 94,95Rb, 138I. The characteristics of the BELEN-20 detector and the first experiment at JYFL are presented in this paper.