物理大讲堂—青年学者论坛(64)

时间:2019-12-10    点击:

报告题目:ForwArd Search ExpeRiment (FASER) at the LHC

报 告 人 :李科博士,华盛顿大学

报告时间:2019年12月30日上午9:00

报告地点:中心校区 物理楼333报告厅

报告摘要:

  New physics has traditionally been expected in the high-pT region at high-energy collider experiments. If new particles are light and weakly-coupled, however, this focus may be completely misguided: light particles are typically highly concentrated within a few mrad of the beam line, allowing sensitive searches with small detectors, and even extremely weakly-coupled particles may be produced in large numbers there. In this talk I will discuss the recent proposal of FASER, ForwArd Search ExpeRiment at the LHC: a detector placed 480 m downstream of the ATLAS interaction point (IP) in the very forward region and operated concurrently there. Long-lived, weakly coupled TeV-energy particles can traverse the intervening rock and LHC infrastructure before decaying inside FASER, with little background from Standard Model processes. The collimated nature of the signal allows FASER to be compact, and re-use of components from other experiments allow it to be constructed quickly and inexpensively. FASER will be installed during the current LHC long shutdown and begin collecting data in 2021.


报告人简介:

  李科博士,华盛顿大学博士后,2017年6月博士毕业于山东大学&中国科学院高能物理研究所,随后在斯坦福直线加速器实验室做博士后,2019年8月开始在华盛顿大学做博士后。李科博士先后在北京谱仪实验、ATLAS实验、CEPC上的实验、FASER实验的物理分析及探测器软、硬件研究中做出过一系列原创性的重要工作。



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