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Performance of CMS hadron calorimeter timing and synchronization using test beam, cosmic ray, and LHC beam data

Abstract: 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.

Authorship: Chatrchyan S., Khachatryan V., Sirunyan A.M., Adam W., Arnold B., Bergauer H., Bergauer T., Dragicevic M., Eichberger M., Erö J., Friedl M., Frühwirth R., Ghete V.M., Hammer J., Hansel S., Hoch M., Hörmann N., Hrubec J., Jeitler M., Kasieczka G., Kastner K., Krammer M., Liko D., De Magrans Abril I., Mikulec I., Mittermayr F., Neuherz B., Oberegger M., Padrta M., Pernicka M., Rohringer H., Schmid S., Schöfbeck R., Schreiner T., S

Fuente: Journal of Instrumentation, 2010, 5 T03013

Publisher: Institute of Physics

Year of publication: 2010

No. of pages: 32

Publication type: Article

DOI: 10.1088/1748-0221/5/03/T03013

ISSN: 1748-0221

Publication Url: https://doi.org/10.1088/1748-0221/5/03/T03013

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