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arXiv 2104.07151hep-exphysics.ins-det
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在LHC未来质子-质子碰撞中对毫荷电粒子的灵敏度

Sensitivity to millicharged particles in future proton-proton collisions at the LHC

A. Ball, J. Brooke, C. Campagnari, M. Carrigan, M. Citron, A De Roeck, M. Ezzeldine, B. Francis, M. Gastal, M. Ghimire, J. Goldstein, F. Golf, A. Haas, R. Helle… 展开作者

A. Ball, J. Brooke, C. Campagnari, M. Carrigan, M. Citron, A De Roeck, M. Ezzeldine, B. Francis, M. Gastal, M. Ghimire, J. Goldstein, F. Golf, A. Haas, R. Heller, C. S. Hill, L. Lavezzo, R. Loos, S. Lowette, B. Manley, B. Marsh, D. W. Miller, B. Odegard, R. Schmitz, F. Setti H. Shakeshaft, D. Stuart, M. Swiatlowski, J. Yoo, H. Zaraket

摘要:

我们报告的预期灵敏度专用的基于闪烁器的探测器在大型强子对撞机的基本粒子的电荷远小于电子电荷。由基于原型干扰器的检测器提供的数据集用于干扰检测器的性能并提供准确的背景投影。探测器设计,包括一个新的平板探测器配置,被认为是数据采集期的LHC开始于2022年(运行3)和高亮度LHC。对于运行3数据集,质量在10 MeV和45 GeV之间的新粒子的存在可以在95%的置信水平下排除,电荷在0.003e和0.3e之间,这取决于它们的质量。对于高亮度LHC数据集,对于0.0018 e和0.3e之间的电荷,预期的极限将达到10 MeV和80 GeV之间,具体取决于它们的质量

英文摘要:

We report on the expected sensitivity of dedicated scintillator-based detectors at the LHC for elementary particles with charges much smaller than the electron charge. The dataset provided by a prototype scintillator-based detector is used to characterise the performance of the detector and provide an accurate background projection. Detector designs, including a novel slab detector configuration, are considered for the data taking period of the LHC to start in 2022 (Run 3) and for the high luminosity LHC. With the Run 3 dataset, the existence of new particles with masses between 10 MeV and 45 GeV could be excluded at 95% confidence level for charges between 0.003e and 0.3e, depending on their mass. With the high luminosity LHC dataset, the expected limits would reach between 10 MeV and 80 GeV for charges between 0.0018e and 0.3e, depending on their mass

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