Papers by Fran Molina Sánchez
This paper discusses the design and performance of the time measurement technique and of the sync... more This paper discusses the design and performance of the time measurement technique and of the synchronization systems of the CMS hadron calorimeter. Time measurement performance results are presented from test beam data taken in the years 2004 and 2006. For hadronic showers of energy greater than 100 GeV, the timing resolution is measured to be about 1.2 ns. Time synchronization and out-of-time background rejection results are presented from the Cosmic Run At Four Tesla and LHC beam runs taken in the Autumn of 2008. The inter-channel synchronization is measured to be within ±2 ns.
The CMS High-Level Trigger (HLT) is responsible for ensuring that data samples with potentially i... more The CMS High-Level Trigger (HLT) is responsible for ensuring that data samples with potentially interesting events are recorded with high efficiency and good quality. This paper gives an overview of the HLT and focuses on its commissioning using cosmic rays. The selection of triggers that were deployed is presented and the online grouping of triggered events into streams and primary datasets is discussed. Tools for online and offline data quality monitoring for the HLT are described, and the operational performance of the muon HLT algorithms is reviewed. The average time taken for the HLT selection and its dependence on detector and operating conditions are presented. The HLT performed reliably and helped provide a large dataset. This dataset has proven to be invaluable for understanding the performance of the trigger and the CMS experiment as a whole.
Python suele estar instalado en /usr/local/bin o en /usr/bin, 2 así que para invocar al intérpret... more Python suele estar instalado en /usr/local/bin o en /usr/bin, 2 así que para invocar al intérprete interactivo basta con escribir
Uploads
Papers by Fran Molina Sánchez