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APS -APS April Meeting 2017 - Event - Overview of the n3He Experiment and Target Chamber

机译:APS -2017年4月APS会议-活动-n3He实验和靶室概述

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The n3He Experiment aims to measure the parity-violating asymmetry in the direction of proton emission relative to the initial neutron polarization direction in the reaction $vec{n}+^3He ightarrow T+p+ 765,mathrm{keV}$ to a high precision. The size of the asymmetry is estimated to be in the range $-9.5-2.5imes 10^{-8}$, and our goal statistical accuracy is $2imes 10^{-8}$. The experiment ran at the Spallation Neutron Source with data taking completing at the end of 2015. The experiment used a Helium-3 ionization chamber as the combined target and detector. Data analysis is underway and is currently in an advanced stage
机译:n3He实验旨在测量质子发射方向相对于反应$ vec {n} + ^ 3He右箭头T + p + 765,mathrm {keV} $的质子发射方向相对于初始中子极化方向的违反奇偶性的不对称性。不对称的大小估计在$ -9.5-2.5imes 10 ^ {-8} $范围内,我们的目标统计精度为$ 2imes 10 ^ {-8} $。该实验在“散裂中子源”进行,数据采集于2015年底完成。该实验使用氦3电离室作为目标和探测器的组合。数据分析正在进行中,目前处于高级阶段

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