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首页> 外文期刊>Physics in medicine and biology. >Energy loss measurement of protons in liquid water.
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Energy loss measurement of protons in liquid water.

机译：液态水中质子的能量损失测量。

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摘要

The proton stopping power of liquid water was, for the first time, measured in the energy range 4.7-15.2 MeV. The proton energies were determined by the time-of-flight transmission technique with the microchannel plate detectors, which were especially developed for timing applications. The results are compared to the literature values (from ICRU Report 49 (1993) and Janni's tabulation (1982 At. Data Nucl. Data Tables 27 147-339)) which are based on Bethe's formula and an agreement is found within the experimental uncertainty of 4.6%. Thus, earlier reported discrepancy between the experimental and literature stopping power values at lower energies was not observed at the energies considered in this experiment.
机译：液态水的质子阻止能力首次在4.7-15.2 MeV的能量范围内测量。质子能量是通过飞行时间传输技术和微通道板检测器确定的，微通道板检测器是专门为计时应用开发的。将结果与基于Bethe公式的文献值（来自ICRU报告49（1993）和Janni的表格（1982 At。Data Nucl。数据表27 147-339））进行比较，并且在实验不确定性范围内找到了一个协议。 4.6％。因此，在本实验中考虑的能量下，未观察到较早报道的实验和较低能量下的停止功率值之间的差异。

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