Elementary Particle Physics with Collider Experiments

该奖项将资助欧洲核子研究组织(CERN)大型强子对撞机(LHC)的紧凑型Muon螺线管(CMS)实验工作。在这个项目的三年期间，CMS将收集在人造加速器中达到的最高碰撞能量的质子-质子碰撞的数据，13万亿电子伏特。利用之前的CMS数据分析经验，KU小组打算利用这些新数据来寻找标准模型以外的新现象，该模型描述了迄今已知的基本粒子，并探索与这些基本粒子相互作用的亚原子力。该小组还在公众宣传工作方面做了大量工作。它最独特的外展项目是Quarked！TM亚原子宇宙探险，这是一个面向7岁及以上学生的多媒体项目。这个项目的内容可以在www.Quarked.org上在线找到。这笔赠款还将用于培训研究生和博士后研究人员掌握该领域的基本技能。该组织在指导本科生研究人员方面也有很强的成功记录。该组织更广泛的教育使命包括通过公开演讲和其他方式与普通公众交流科学知识。该研究项目的智力价值来自于在最小的实验可达距离尺度上增加我们对物质和能量的基本理解。在大型强子对撞机上发现了质量约为125GeV的希格斯玻色子，为在目前13TeV的大型强子对撞机能量下进行研究提供了令人着迷的机会。KU的数据分析工作将集中在利用希格斯玻色子作为发现工具。该小组目前正在使用2015年收集的数据集来搜索类矢量夸克和希格斯玻色子的弱电弱产生，这种夸克衰减到顶夸克，而希格斯玻色子则使用全强子末态中的增强拓扑。这项工作的扩展，由该奖项资助，将探索2016年及以后的数据，并包括类矢量夸克的其他产生和衰变模式。用于对CMS探测器进行第一阶段升级的第一阶段前向像素探测器的两个X射线测试中心之一位于KU。在这里，该小组测试模块，以确保凸点焊接成功，能量校准工作，以及模块在高速率下运行。KU还拥有完整的电子测试链系统，目的是确保系统正常工作，并确保整个系统的误码率较低。一旦第一阶段的FPIX探测器被运往欧洲核子研究中心，该小组已承诺帮助调试那里的系统。对于计划中的高亮度LHC(HL-LHC)升级的像素跟踪器，美国小组致力于建造向前像素系统。该系统将把径迹重建扩展到高伪快度(高达4.0)，并将确保良好的遗失能量分辨率，这在许多新物理搜索中发挥着关键作用。KU小组参与了设计HL-LHC正向像素探测器的蒙特卡洛研究，并正在与来自内布拉斯加州大学林肯分校和保罗·谢勒研究所的小组合作进行小像素的研究。Ku计划为电子和模块测试设计和建造做出贡献。

This award will fund work on the Compact Muon Solenoid (CMS) experiment at the Large Hadron Collider (LHC) at the European Organization for Nuclear Research (CERN). During the three-year period of this project CMS will be collecting data from proton-proton collisions at the highest collision energy ever attained in a man-made accelerator, 13 trillion electron-volts. Using its prior CMS data analysis experience, the KU group intends to use this new data to search for new phenomena beyond the Standard Model that describes the elementary particles known to date and explore the subatomic forces that interact with these elementary particles. The group also does significant work on public outreach efforts. Its most unique outreach project is Quarked!TM Adventures in the Subatomic Universe, a multimedia project aimed at students age seven and up. Content from this project can be found online at www.quarked.org. This grant will also provide for the training of graduate students and postdoctoral researchers in the essential skills of the field. The group also has a strong record of success in mentoring undergraduate researchers. The group's broader educational mission includes communicating about science with the general public through public talks and other means. The intellectual merit of the research program comes from increasing our basic understanding of matter and energy at the smallest experimentally accessible distance scales. The discovery at the LHC of the Higgs boson with a mass around 125 GeV opened up fascinating opportunities for investigations at the current LHC energy of 13 TeV. The KU data analysis efforts will focus on exploiting the Higgs boson as a tool for discovery. The group is currently using a data set that was collected in 2015 to search for electroweak production of a vector-like quark decaying to a top quark and a Higgs boson using boosted topologies in the all-hadronic final state. Extensions of this work, funded by this award, will explore data taken in 2016 and thereafter and include other production and decay modes of vector-like quarks. One of the two X-ray test centers for the Phase I forward pixel detector for the phase-I upgrade of the CMS detector is located at KU. Here, the group tests the modules to assure that the bump bonding was successful, the energy calibration works, and that the module is operational under high rates. KU also hosts a full electronics test chain system with a goal to assure that the system works and that the bit error rate is low for the full system. Once the Phase I FPIX detector is shipped to CERN, this group has committed to help commission the system there.For the pixel tracker for the planned High Luminosity LHC (HL-LHC) upgrade, the U.S. groups are committed to building the forward pixel system. This system will extend track reconstruction to high pseudo rapidity (up to 4.0) and will ensure good missing energy resolution that plays a critical role in many searches for new physics. The KU group is involved in Monte Carlo studies for the design of the HL-LHC forward pixel detector and is working with groups from the U. Nebraska-Lincoln and Paul Scherrer Institute on studies of small pixels. KU plans to contribute to the electronics and module testing design and construction.