Nab实验中质子探测的精密脉冲形状模拟
Precision pulse shape simulation for proton detection at the Nab experiment
AI总结:
本文针对Nab实验质子探测的计时精度需求,通过半导体与准粒子输运模拟提供精密脉冲形状,并分析系统效应与测量方案。
摘要:
美国橡树岭国家实验室的Nab实验旨在测量中子β衰变后的β-反中微子角关联,预期精度约为0.1%。质子动量通过质子飞行时间测量重建,而探测器效应引起的计时重建中的潜在系统偏差必须控制在纳秒级水平。我们展示了一项全面且详细的半导体与准粒子输运模拟工作,以提供精密的脉冲形状,并报告了相关的系统效应及可能的测量方案。
英文摘要:
The Nab experiment at Oak Ridge National Laboratory, USA, aims to measure the beta-antineutrino angular correlation following neutron $β$ decay to an anticipated precision of approximately 0.1\%. The proton momentum is reconstructed through proton time-of-flight measurements, and potential systematic biases in the timing reconstruction due to detector effects must be controlled at the nanosecond level. We present a thorough and detailed semiconductor and quasiparticle transport simulation effort to provide precise pulse shapes, and report on relevant systematic effects and potential measurement schemes.
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