Measurement of the single p 0 production rate in neutral current neutrino interactions on water
Measurement of the single p 0 production rate in neutral current neutrino interactions on water
复制标题
水中中微子相互作用中单个p 0 产生率的测量
DOI：
10.1103/physrevd.97.032002
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发表时间：
2018
影响因子：
5
通讯作者：
Abe K
中科院分区：
文献类型：
--
作者：
Abe K
用T2K NEAR探测器的子探测器P？D测量了中微子束流中中微子与水相互作用的单产生率。中微子束的峰值能量为0.6GeV。生产率是在PäD含水(靶上质子)和不含水(靶上质子)的数据采集期间测量的。用含水产油率从目标区出水产油率中适当减去中性流产水率，进行了中性点产水率的测量。减法分析产生信号事件，其中不确定度是统计的(STAT.)和系统化(sys.)分别进行了分析。这与名义模拟所预测的157个事件是一致的。测量到的与预期的比率是。标称模拟使用了每个核子的通量积分截面，平均中微子相互作用能为1.3GeV。
The singleproduction rate in neutral current neutrino interactions on water in a neutrino beam with a peak neutrino energy of 0.6 GeV has been measured using the PØD, one of the subdetectors of the T2K near detector. The production rate was measured for data taking periods when the PØD contained water (protons-on-target) and also periods without water (protons-on-target). A measurement of the neutral current singleproduction rate on water is made using appropriate subtraction of the production rate with water in from the rate with water out of the target region. The subtraction analysis yieldssignal events where the uncertainties are statistical (stat.) and systematic (sys.) respectively. This is consistent with the prediction of 157 events from the nominal simulation. The measured to expected ratio is. The nominal simulation uses a flux integrated cross section ofper nucleon with an average neutrino interaction energy of 1.3 GeV.