一个新的，非常大的模块化液体氩成像室，用于探测来自CNGS束流的低能离轴中微子。（项目MODULAr）
A new, very massive modular Liquid Argon Imaging Chamber to detect low energy off-axis neutrinos from the CNGS beam. (Project MODULAr)
摘要：
本文正在考虑一个机会，为欧洲核子研究中心/格兰萨索（CNGS）中微子复合物，并发时间明智的T2 K和NOvA，寻找θ_13振荡和CP破坏。与大型水切伦科夫（T2 K）和细粒度散射器（NOvA）相比，LAr-TPC提供了更高的检测效率和更低的背景，因为几乎所有的通道都可以明确识别。目前的建议称为MODULAr，描述了一个20 kt基准体积LAr-TPC，非常密切地遵循为ICARUS-T60 o开发的技术，并侧重于以下活动，我们寻求扩大国际合作：（1）来自CERN 400 GeV质子束的中微子束和优化的喇叭聚焦，最终在大型强子对撞机加速器改进计划的框架内增加强度;（2）一个新的实验区LNGS-B，至少50000 m3，离主实验室10 km，最终可扩展到更大的尺寸。目前正在考虑在相当于水深约1.2公里的位置;（3）一个基准质量至少为20千吨的新的激光大气环流成像探测器。需要仔细考虑在当前ICARUS T600上增加这种体积。得出的结论是，一个非常大的质量是最好的实现了许多相同的，独立的单位，每个5千吨，“克隆”的技术的T600。进一步的阶段可以预见扩展的MODULAr，以满足未来的物理目标。如果在Gran Sasso实验室附近挖掘一个新的大厅，并提供足够的资金和参与，该实验可能在大约4/5年内合理地运行。
英文摘要：
The paper is considering an opportunity for the CERN/GranSasso (CNGS) neutrino complex, concurrent time-wise with T2K and NOvA, to search for theta_13 oscillations and CP violation. Compared with large water Cherenkov (T2K) and fine grained scintillators (NOvA), the LAr-TPC offers a higher detection efficiency and a lower backgrounds, since virtually all channels may be unambiguously recognized. The present proposal, called MODULAr, describes a 20 kt fiducial volume LAr-TPC, following very closely the technology developed for the ICARUS-T60o, and is focused on the following activities, for which we seek an extended international collaboration: (1) the neutrino beam from the CERN 400 GeV proton beam and an optimised horn focussing, eventually with an increased intensity in the framework of the LHC accelerator improvement program; (2) A new experimental area LNGS-B, of at least 50000 m3 at 10 km off-axis from the main Laboratory, eventually upgradable to larger sizes. A location is under consideration at about 1.2 km equivalent water depth; (3) A new LAr Imaging detector of at least 20 kt fiducial mass. Such an increase in the volume over the current ICARUS T600 needs to be carefully considered. It is concluded that a very large mass is best realised with a set of many identical, independent units, each of 5 kt, "cloning" the technology of the T600. Further phases may foresee extensions of MODULAr to meet future physics goals. The experiment might reasonably be operational in about 4/5 years, provided a new hall is excavated in the vicinity of the Gran Sasso Laboratory and adequate funding and participation are made available.
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