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Radioactive source calibration test of the CMS Hadron Endcap Calorimeter test wedge with Phase I upgrade electronics

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Özet

The Phase I upgrade of the CMS Hadron Endcap Calorimeters consists of new photodetectors (Silicon Photomultipliers in place of Hybrid Photo-Diodes) and front-end electronics. The upgrade will eliminate the noise and the calibration drift of the Hybrid Photo-Diodes and enable the mitigation of the radiation damage of the scintillators and the wavelength shifting fibers with a larger spectral acceptance of the Silicon Photomultipliers. The upgrade also includes increased longitudinal segmentation of the calorimeter readout, which allows pile-up mitigation and recalibration due to depth-dependent radiation damage. As a realistic operational test, the responses of the Hadron Endcap Calorimeter wedges were calibrated with a 60Co radioactive source with upgrade electronics. The test successfully established the procedure for future source calibrations of the Hadron Endcap Calorimeters. Here we describe the instrumentation details and the operational experiences related to the sourcing test. © 2017 CERN for the benefit of the CMS collaboration.

Anahtar Kelimeler

Calorimeter methodsCalorimetersDetector alignment and calibration methods (lasers, sources, particle-beams)CalibrationElementary particlesHadronsPhotomultipliersPilesRadiation damageRadioactive prospectingRadioactivityTestingCalibration driftCalibration methodCalibration testsFront end electronicsOperational experienceRadioactive sourcesSilicon photomultiplierWavelength-shifting fibers
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AlanDeğerDil
dc.contributor.authorChatrchyan, S.
dc.contributor.authorSirunyan, A.M.
dc.contributor.authorTumasyan, A.
dc.contributor.authorLitomin, A.
dc.contributor.authorMossolov, V.
dc.contributor.authorShumeiko, N.
dc.contributor.authorVan De Klundert, M.
dc.contributor.authorVan Haevermaet, H.
dc.contributor.authorVan Mechelen, P.
dc.contributor.authorVan Spilbeeck, A.
dc.contributor.authorAlves, G.A.
dc.contributor.authorAldá, W.L.
dc.contributor.authorHensel, C.
dc.contributor.authorCarvalho, W.
dc.contributor.authorChinellato, J.
dc.contributor.authorDe Oliveira Martins, C.
dc.contributor.authorMatos Figueiredo, D.
dc.contributor.authorMora Herrera, C.M.
dc.contributor.authorNogima, H.
dc.contributor.authorPrado Da Silva, W.L.
dc.contributor.authorManganote, E.J. Tonelli
dc.contributor.authorPereira, A. Vilela
dc.contributor.authorFinger, M.
dc.contributor.authorKveton, A.
dc.contributor.authorTomsa, J.
dc.contributor.authorAdamov, G.
dc.contributor.authorTsamalaidze, Z.
dc.contributor.authorBehrens, U.
dc.contributor.authorBorras, K.
dc.contributor.authorCampbell, A.
dc.contributor.authorCostanza, F.
dc.contributor.authorGunnellini, P.
dc.contributor.authorLobanov, A.
dc.contributor.authorMelzer-Pellmann, I.-A.
dc.contributor.authorMuhl, C.
dc.contributor.authorRoland, B.
dc.contributor.authorSahin, M.
dc.contributor.authorSaxena, P.
dc.contributor.authorHegde, V.
dc.contributor.authorKothekar, K.
dc.contributor.authorPandey, S.
dc.contributor.authorSharma, S.
dc.contributor.authorBeri, S.B.
dc.contributor.authorBhawandeep, B.
dc.contributor.authorChawla, R.
dc.contributor.authorKalsi, A.
dc.contributor.authorKaur, A.
dc.contributor.authorKaur, M.
dc.contributor.authorWalia, G.
dc.contributor.authorBhattacharya, S.
dc.date.accessioned2026-10-18T20:28:48.927791546Z
dc.date.available2026-10-18T20:28:48.927791546Z
dc.date.issued2017
dc.description.abstractThe Phase I upgrade of the CMS Hadron Endcap Calorimeters consists of new photodetectors (Silicon Photomultipliers in place of Hybrid Photo-Diodes) and front-end electronics. The upgrade will eliminate the noise and the calibration drift of the Hybrid Photo-Diodes and enable the mitigation of the radiation damage of the scintillators and the wavelength shifting fibers with a larger spectral acceptance of the Silicon Photomultipliers. The upgrade also includes increased longitudinal segmentation of the calorimeter readout, which allows pile-up mitigation and recalibration due to depth-dependent radiation damage. As a realistic operational test, the responses of the Hadron Endcap Calorimeter wedges were calibrated with a 60Co radioactive source with upgrade electronics. The test successfully established the procedure for future source calibrations of the Hadron Endcap Calorimeters. Here we describe the instrumentation details and the operational experiences related to the sourcing test. © 2017 CERN for the benefit of the CMS collaboration.
dc.description.sponsorshipScience and Technology Facilities Council, STFC, (GRIDPP); Science and Technology Facilities Council, STFC
dc.identifier.doi10.1088/1748-0221/12/12/p12034
dc.identifier.issn1748-0221
dc.identifier.issue12
dc.identifier.scopus2-s2.0-85039773146
dc.identifier.startpageP12034
dc.identifier.urihttps://rdlopen.rawdatalibrary.net/r/ebyu/14016
dc.identifier.volume12
dc.language.isoen
dc.publisherInstitute of Physics Publishing
dc.relation.ispartofJournal of Instrumentation
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectCalorimeter methods
dc.subjectCalorimeters
dc.subjectDetector alignment and calibration methods (lasers, sources, particle-beams)
dc.subjectCalibration
dc.subjectElementary particles
dc.subjectHadrons
dc.subjectPhotomultipliers
dc.subjectPiles
dc.subjectRadiation damage
dc.subjectRadioactive prospecting
dc.subjectRadioactivity
dc.subjectTesting
dc.subjectCalibration drift
dc.subjectCalibration method
dc.subjectCalibration tests
dc.subjectFront end electronics
dc.subjectOperational experience
dc.subjectRadioactive sources
dc.subjectSilicon photomultiplier
dc.subjectWavelength-shifting fibers
dc.titleRadioactive source calibration test of the CMS Hadron Endcap Calorimeter test wedge with Phase I upgrade electronics
dc.typeArticle
dspace.entity.typePublication
rdl.citation.scopus1
rdl.oa.statusgold
rdl.source.indexSCOPUS