TheJiangmenUndergroundNeutrinoObservatory(JUNO) isa largeneutrinodetectorcurrentlyunderconstructioninChina.JUNOaimstodeterminetheneutrinomassorderingandtoperformleadingmeasurements detectingterrestrialandastrophysicalneutrinosoverawideenergyrange, spanningfrom200keVtoseveral GeV.Giventheambitiousphysicsgoalsof JUNO, its readout electronicshas tomeet specific requirements, whichmotivatedthethoroughcharacterizationdescribedinthismanuscript.Thetimesynchronizationamong theelectronicsmoduleswas foundtoexceedbyfewns thetheoretical expectation, asaconsequenceof the non-optimaldatatakingconditions.However, thesystemshowedanexcellent stabilityover longdatataking periods,ensuringthatanytimeoffsetcouldbecalibratedoutat thebeginningof thedatataking. Themaximaldeviationfroma linearchargeresponsewas foundtobe1.1%for thehighgainADCand 0.8%forthelowgainADC.InaJUNO-likeenvironment, i.e40munderwater,therecordedFPGAtemperature compliedwiththereliabilitystandardsofJUNO.
Validation and integration tests of the JUNO 20-inch PMT readout electronics
Cammi, Antonio;
2023-01-01
Abstract
TheJiangmenUndergroundNeutrinoObservatory(JUNO) isa largeneutrinodetectorcurrentlyunderconstructioninChina.JUNOaimstodeterminetheneutrinomassorderingandtoperformleadingmeasurements detectingterrestrialandastrophysicalneutrinosoverawideenergyrange, spanningfrom200keVtoseveral GeV.Giventheambitiousphysicsgoalsof JUNO, its readout electronicshas tomeet specific requirements, whichmotivatedthethoroughcharacterizationdescribedinthismanuscript.Thetimesynchronizationamong theelectronicsmoduleswas foundtoexceedbyfewns thetheoretical expectation, asaconsequenceof the non-optimaldatatakingconditions.However, thesystemshowedanexcellent stabilityover longdatataking periods,ensuringthatanytimeoffsetcouldbecalibratedoutat thebeginningof thedatataking. Themaximaldeviationfroma linearchargeresponsewas foundtobe1.1%for thehighgainADCand 0.8%forthelowgainADC.InaJUNO-likeenvironment, i.e40munderwater,therecordedFPGAtemperature compliedwiththereliabilitystandardsofJUNO.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
