Ultimate neutrino flux optimisation and design of next-generation neutrino experiments in nuSTORM

来自存储µ子的中微子(NuSTORM)设施将提供一束来自受限于动量可调的存储环(1-6GeV/c)中的介子衰变的中微子束。众所周知，束流的气味成分和能谱将允许在未来长基线实验感兴趣的运动学范围内进行最终精确的电子和Muon-中微子散射测量。它们还将使研究中微子振荡和搜索Beyond the Standard Model现象的灵敏度大大超过FNAL目前正在建设的短基线实验。这一设施的发展将极大地有利于粒子物理、核物理和加速器物理界：对中微子-核截面的精确测定将直接影响沙丘和Hyper-K对CP破坏的敏感性，并将有助于发展对核动力学的描述；nuSTORM目标复合体和存储环将形成一个必要的Muon-对撞机R&D试验台。该项目将评估和优化nuSTORM中微子物理能力，用于标准模型内外的过程。学生将研究存储环中的Muon衰变产生的中微子，并确定nustORM对电子和Muon中微子(和反中微子)截面测量的灵敏度。将与Hyper-K和Dune的预期进行定量比较。更具体地说，学生将开发nuSTORM最先进的模拟来改进中微子光束线的设计；探索产生单能电子中微子通量的新想法；执行中微子截面测量的灵敏度研究，并巩固光束线和探测器的设计。此外，在沃里克-牛津小组最近开发的重中性轻子(HNL)束模拟的基础上，可以产生来自nuSTORM的HNL通量，并可以研究nuSTORM对HNL搜索的敏感性。学生将在Warwick和Rutherford Appleton实验室花费时间。与欧洲核子研究中心中微子小组的物理学家合作，对欧洲核子研究中心进行长期访问是可能的。

The Neutrinos from Stored Muons (nuSTORM) facility will provide a neutrino beam from the decays of muons confined in a storage ring with tunable momentum (1-6 GeV/c). The well-known flavour composition and energy spectrum of the beam will allow ultimate precision electron- and muon-neutrino scattering measurements to be made over the kinematic range of interest to future long-baseline experiments. They will also enable studies of neutrino oscillations and searches for beyond the Standard Model phenomena with a sensitivity that goes significantly beyond that of the short-baseline experiments currently in construction at FNAL. The development of this facility will strongly benefit the particle physics, nuclear physics and accelerator physics communities: the precise determination of neutrino-nucleus cross-sections will have a direct impact on the sensitivity of DUNE and Hyper-K to CP violation and will contribute to the development of the description of the nuclear dynamics; the nuSTORM target complex and storage ring will form an essential testbed for muon-collider R&D.This project will evaluate and optimise the nuSTORM neutrino physics capabilities for processes in and beyond the Standard Model. The student will study the neutrino production from the muon decay in the storage ring and determine the sensitivity of nuSTORM to measurements of electron- and muon-neutrino (and antineutrino) cross-sections. Quantitative comparisons to expectations from Hyper-K and DUNE will be made. More specifically, the student will develop the nuSTORM state-of-the-art simulation to improve the design of the neutrino beamline; explore novel ideas to produce mono-energetic electron neutrino fluxes; perform sensitivity studies of neutrino cross-section measurements and consolidate the beamline and detector designs. Additionally, building on the Heavy Neutral Lepton (HNL) beam simulation recently developed by the Warwick-Oxford group, HNL fluxes from nuSTORM can be generated and studies of the sensitivity of nuSTORM to HNL searches can be performed.The student will spend time both at Warwick and at the Rutherford Appleton Laboratory. Long-term visits to CERN, working with physicists in the CERN neutrino group, are possible.