CDF L2 XFT触发器升级
The CDF L2 XFT Trigger Upgrade
摘要：
我们简要介绍了CDF Level 2触发系统的eXtremely Fast Tracker立体声音轨升级。此次升级使3级CDF在线触发系统的2级能够进行全三维轨道重建。使用中央外部跟踪器的立体层提供的信息，我们可以通过要求轨迹在所有三维中与单个顶点一致，以及通过使用轨迹信息来“指向”各种检测器组件，来降低由于假轨迹引起的触发率。我们还将讨论2级立体声跟踪算法在高亮度运行期间以高效率实现降低的触发率的有效性。
英文摘要：
We briefly present the eXtremely Fast Tracker stereo track upgrade for the CDF Level 2 trigger system. This upgrade enabled full 3D track reconstruction at Level 2 of the 3-Level CDF online triggering system. Using information provided by the stereo layers of the Central Outer Tracker, we can decrease the trigger rate due to fake tracks by requiring the tracks to be consistent with a single vertex in all three dimensions but also by using the track information to "point" to the various detector components. We will also discuss the effectiveness of the Level 2 stereo track algorithm at achieving reduced trigger rates with high efficiencies during high luminosity running.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
