atorispassiveindetectorVerystableevaporatortemperaturecontrolatadistance(P4-5=P7)CondenserPumpHeatexchangerevaporatorRestrictor2-umulatorHeatinHeatinHeatoutHeatout123456LiquidVapor2-phaseEnthalpyPressure123456P7P7P4-5Longdistance*ElectronHadronProtonbeamProtonbeamLHCbDetectorOverviewMuonLHCbCrosssectionGoalsofLHCb:StudyingthedecayofB-mesonstofindevidenceofCP-violation(Whyistheremorematteraroundthanantimatter?)20meterVertexLocator*VELOThermalControlSystemCO2evaporatorsectionDetectorsandelectronics23parallelevaporatorstationscapillariesandreturnhoseTemperaturedetectors:-7ºCHeatgeneration:max1600WTheLHCb-VELODetector?(VErtexLocator)*ParticletracksintheVELOfromanLHCinjectiontest(22august’08)TheVeloDetectorHeatproducingelectronicsCO2evaporator(Stainlesssteeltubecastedinaluminum)DetectionSilicon