Sheffield T2K ECAL bridging funds

见T2K主要提案。T2K实验的目的是测量由高强度质子束产生的介子型中微子到电子型中微子的振荡。这将完成对中微子（标准模型中唯一已知在传播过程中改变同一性的基本粒子）的“混合矩阵”的描述。这需要两个探测器，一个“远探测器”来观察振荡后的光束（T2K使用众所周知的超级神冈探测器），一个“近探测器”来表征振荡前的光束。近距离探测器将建在JPARC加速器上，英国小组的贡献包括为实验建造电磁量热计，以及设计用于校准的光注入系统，并对电子学、数据采集以及目标和光束转储的设计做出主要贡献。谢菲尔德负责部分ECAL和光注入系统。需要这3个员额来协助这项工作。

See main T2K proposal. The aim of the T2K experiment is to measure the oscillation of muon-type neutrinos, produced by a high-intensity proton beam, into electron-type neutrinos. This will complete the characterisation of the 'mixing matrix' for neutrinos (the only fundamental particles of the Standard Model known to change identity during propagation). This requires two detectors, a 'far detector' to observe the beam after oscillation (T2K uses the well-known and well-understood Super-Kamiokande detector) and a 'near detector' to characterise the beam before oscillation. The near detector will be built on the JPARC accelerator site, and the contributions of the UK groups include the construction of the Electromagnetic Calorimeter for the experiment, and well as design of a Light Injection system for calibration and major contributions to electronics, data acquisition, and the designs for the target and beam dump. Sheffield has responsibilities for parts of the ECAL and for the Light Injection system. The 3 posts are required to contribute to this effort.