Published March 19, 2010
| Published
Journal Article
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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.
Additional Information
© 2010 IOP Publishing Ltd and SISSA. Received: November 26, 2009; accepted: January 26, 2010; published: March 19, 2010. We thank the technical and administrative staff at CERN and other CMS Institutes, and acknowledge support from: FMSR (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES (Croatia); RPF (Cyprus); Academy of Sciences and NICPB (Estonia); Academy of Finland, ME, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NKTH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF (Korea); LAS (Lithuania); CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico); PAEC (Pakistan); SCSR (Poland); FCT (Portugal); JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); MST and MAE (Russia); MSTDS (Serbia); MICINN and CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); TUBITAK and TAEK (Turkey); STFC (United Kingdom); DOE and NSF (USA). Individuals have received support from the Marie-Curie IEF program (European Union); the Leventis Foundation; the A. P. Sloan Foundation; and the Alexander von Humboldt Foundation.Attached Files
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Additional details
- Eprint ID
- 21900
- Resolver ID
- CaltechAUTHORS:20110126-155907276
- FMSR (Austria)
- FNRS (Belgium)
- FWO (Belgium)
- CNPq (Brazil)
- CAPES (Brazil)
- FAPERJ (Brazil)
- FAPESP (Brazil)
- MES (Bulgaria)
- CERN (China)
- CAS (China)
- MoST (China)
- NSFC (China)
- COLCIENCIAS (Colombia)
- MSES (Croatia)
- RPF (Cyprus)
- Academy of Sciences (Estonia)
- NICPB (Estonia)
- Academy of Finland
- ME (Finland)
- HIP (Finland)
- CEA (France)
- CNRS/IN2P3 (France)
- BMBF (Germany)
- DFG (Germany)
- HGF (Germany)
- GSRT (Greece)
- OTKA (Hungary)
- NKTH (Hungary)
- DAE (India)
- DST (India)
- IPM (Iran)
- SFI (Ireland)
- INFN (Italy)
- NRF (Korea)
- LAS (Lithuania)
- CINESTAV (Mexico)
- CONACyT (Mexico)
- SEP (Mexico)
- UASLP-FAI (Mexico)
- PAEC (Pakistan)
- SCSR (Poland)
- FCT (Portugal)
- JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan)
- MST (Russia)
- MAE (Russia)
- MSTDS (Serbia)
- MICINN (Spain)
- CPAN (Spain)
- Swiss Funding Agencies (Switzerland)
- NSC (Taipei)
- TUBITAK (Turkey)
- TAEK (Turkey)
- STFC (United Kingdom)
- Department of Energy (DOE)
- NSF
- Marie-Curie IEF program (European Union)
- Leventis Foundation
- A. P. Sloan Foundation
- Alexander von Humboldt Foundation
- Created
-
2011-01-27Created from EPrint's datestamp field
- Updated
-
2022-07-12Created from EPrint's last_modified field
- Caltech groups
- CMS@Caltech