论文标题

MU2E实验中的触发DAQ和慢速控制系统

Trigger-DAQ and Slow Controls Systems in the Mu2e Experiment

论文作者

Gioiosa, A., Donati, S., Flumerfelt, E., Horton-Smith, G., Morescalchi, L., O'Dell, V., Pedreschi, E., Pezzullo, G., Spinella, F., Uplegger, L., Rivera, R. A.

论文摘要

Fermilab的MUON校园计划包括MU2E实验,该实验将搜索带电的莱普顿风味违反过程,其中负MUON在铝制核的领域中转化为电子,从而提高了四个数量级的搜索灵敏度到目前为止。 MU2E的触发器和数据采集系统(TDAQ)使用OTSDAQ作为其解决方案。 OTSDAQ在Fermilab开发,使用ARTDAQ DAQ框架和艺术分析框架,在Hood下进行事件传输,过滤和处理。 OTSDAQ是一个在线DAQ软件套件,专注于灵活性和可扩展性,同时提供了可通过Chrome或Firefox Web浏览器访问的多用户,基于Web的接口。检测器从跟踪器和热量计读取控制器(ROC),将零抑制的数据连续流到数据传输控制器(DTC)。然后,通过PCIE总线将数据读取到软件过滤器算法,该算法选择了最终与来自宇宙射线到系统(CRV)的数据通量结合的事件。使用实验物理和工业控制系统(EPICS)开源平台开发了用于监视,控制,警告和归档的检测器控制系统(DCS)。 DCS系统也已迭代到OTSDAQ中。计划于2021 - 2022年在MU2E建筑物中安装TDAQ和DCS系统,并在Fermilab的Feynman Computing Center建造了原型。我们在此处报告MU2E DCS系统集成到在线OTSDAQ软件中的发展和成就。

The muon campus program at Fermilab includes the Mu2e experiment that will search for a charged-lepton flavor violating processes where a negative muon converts into an electron in the field of an aluminum nucleus, improving by four orders of magnitude the search sensitivity reached so far. Mu2e's Trigger and Data Acquisition System (TDAQ) uses otsdaq as its solution. Developed at Fermilab, otsdaq uses the artdaq DAQ framework and art analysis framework, under the-hood, for event transfer, filtering, and processing. otsdaq is an online DAQ software suite with a focus on flexibility and scalability, while providing a multi-user, web-based, interface accessible through the Chrome or Firefox web browser. The detector Read Out Controller (ROC), from the tracker and calorimeter, stream out zero-suppressed data continuously to the Data Transfer Controller (DTC). Data is then read over the PCIe bus to a software filter algorithm that selects events which are finally combined with the data flux that comes froma Cosmic Ray Ve to System (CRV). A Detector Control System (DCS) for monitoring, controlling, alarming, and archiving has been developed using the Experimental Physics and Industrial Control System (EPICS) Open Source Platform. The DCS System has also been itegrated into otsdaq. The installation of the TDAQ and the DCS systems in the Mu2e building is planned for 2021-2022, and a prototype has been built at Fermilab's Feynman Computing Center. We report here on the developments and achievements of the integration of Mu2e's DCS system into the online otsdaq software.

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