New concept for a large-acceptance general-purpose muon beamline
New concept for a large-acceptance general-purpose muon beamline
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DOI：
10.1093/ptep/pty116
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发表时间：
2018-11
影响因子：
3.5
通讯作者：
N. Kawamura;M. Aoki;J. Doornbos;T. Mibe;Y. Miyake;Fumiaki Morimoto;Y. Nakatsugawa;M. Otani;N. Saito;Y. Seiya;K. Shimomura;A. Toyoda;T. Yamazaki
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文献类型：
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作者：
N. Kawamura;M. Aoki;J. Doornbos;T. Mibe;Y. Miyake;Fumiaki Morimoto;Y. Nakatsugawa;M. Otani;N. Saito;Y. Seiya;K. Shimomura;A. Toyoda;T. Yamazaki
加速器的功率升级和新光束线的开发推动了高精度测量的更新，并揭示了新的现象。有几个加速器在兆瓦的范围内运行，未来还计划进行一些实验，通过调查与次级粒子相关的事件，寻找超越标准模型的新物理的证据。在高功率质子驱动器，即介子工厂，将基于新概念建造几条光束线。这些光束线将以比传统光束线更高的效率传输次级粒子，即介子，通常专门用于特定的实验。在这篇文章中，我们介绍了一种新的光束线概念，它可以产生动量可调范围宽的高强度介子束，用于广泛的研究。基于这一概念的新的介子光束线正在日本质子加速器研究综合体(J-PARC)建造中。这种光束线具有通用性的特点，可以为几个实验产生高强度的介子束，这些实验需要不同的束流和实验条件。
Power upgrades of accelerators and the development of new beamlines have prompted high-precision measurements to be updated and reveal new phenomena. Several accelerators operate in the mega-watt regime, and a number of experiments are planned for the future, to search for evidence of new physics beyond the standard model by investigating events relevant to secondary particles. Several beamlines will be constructed based on new concepts in high-power proton drivers, i.e., meson factories. These beamlines will transport secondary particles, namely muons, with higher efficiency than conventional beamlines, and are usually dedicated to specific experiments. In this article, we introduce a new beamline concept that can produce a high-intensity muon beam with a wide tunable range of momentum, for application to a wide variety of studies. A new muon beamline based on this concept is under construction in the Japan Proton Accelerator Research Complex (J-PARC). This beamline is characterized by general versatility, and produces high-intensity muon beams for several experiments, which require different beam and experimental conditions.