NDLI: Emulating the Level-1 electromagnetic Trigger response using an Offline database. Procedure for populating this database from the Online information

Content Provider	IEEE Xplore Digital Library
Author	Becheva, E. Cavallari, F. Paganini, P. Antonelli, L.J. Lynch, S.P. Musella, P.
Copyright Year	2010
Description	Author affiliation: College of Science University of Notre Dame, USA (Antonelli, L.J.; Lynch, S.P.) \|\| LLR CNRS/IN2P3 - École polytechnique, Palaiseau, France (Becheva, E.; Paganini, P.) \|\| INFN, Roma, Italy (Cavallari, F.) \|\| LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas, Lisbon, Portugal (Musella, P.)
Abstract	The Level-1 Trigger plays a major role in the CMS experiment allowing the reduction of the raw event rate at the Large Hadron Collider. Its decision is based on information from the electromagnetic and hadronic calorimeters as well as the muon detectors. The electronics of the electromagnetic calorimeter generate and deliver basic quantities called “Trigger Primitives” which correspond to local energy deposits created by electromagnetic showers. In order to ensure the correct generation of the trigger primitives by the electronics, special software called an emulator has been implemented. It is able to reproduce the ECAL trigger functionalities at the bit level using the same inputs and identical output format. It is configured in exactly the same way as the hardware. The configuration of the electromagnetic hardware trigger requires 5 million parameters stored into an Online Master Data Storage (OMDS) database. This paper will present the procedure used to transfer the parameters from the OMDS to the Offline database, which is used to perform the validation test with the Level-1 Trigger emulator.
Starting Page	1
Ending Page	5
File Size	976125
Page Count	5
File Format	PDF
ISBN	9781424471089
e-ISBN	9781424471102
DOI	10.1109/RTC.2010.5750403
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-24
Publisher Place	Portugal
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Databases Poles and towers Detectors Strips Hardware Crystals Data acquisition
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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