NEAR at n_TOF/CERN: Preparing the first multi-foil activation measurement

S. Goula, N. Patronis, M. Stamati, S. Chasapoglou, M. Diakaki, N. Colonna, Z. Eleme, E. Georgali, M. Kokkoris, A. Mengoni, V. Michalopoulou, M. Peoviti, R. Vlastou
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Abstract

The n_TOF facility at CERN is a neutron Time-Of-Flight facility based on a spallation neutron source. During the Second Long Shutdown (LS2) , a new experimental zone was designed and delivered. This new experimental area -the NEAR station - is located very close to the lead spallation target, at a distance of just ~3m. In this way, the high luminosity of the n_TOF neutron spallation source can be fully exploited. Towards the characterization of the new experimental area as well for the benchmarking of the performed simulations, the multi-foil activation measurement will be implemented. Eleven threshold and seven capture reference reactions will be utilized for the unfolding of the NEAR neutron beam energy spectrum that stretches from the meV to the GeV region.
n_TOF/CERN的NEAR:准备第一次多箔活化测量
欧洲核子研究中心的n_TOF设施是一个基于散裂中子源的中子飞行时间设施。在第二次长停堆(LS2)期间,设计并交付了一个新的试验区。这个新的实验区——近距离站——位于离引线散裂目标非常近的地方,距离只有3米。这样可以充分利用n_TOF中子散裂源的高亮度。为了对新实验区域进行表征以及对所进行的模拟进行基准测试,将实施多箔激活测量。将利用11个阈值反应和7个捕获参考反应来展开从meV到GeV区域的近中子束能谱。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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