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Welcome to the LHCb VELO Upgrade Twiki pages

mailing list: lhcb-velo@cern.ch

 

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The upgraded LHCb VELO silicon vertex detector is a lightweight hybrid pixel detector capable data driven readout at a luminosity of 2 x 1033 cm-2 s-1 at the bunch crossing rate of  30 MHz. 

The track reconstruction speed and precision is enhanced relative to the first VELO detector even at the high multiplicity conditions of the upgrade, due to the pixel geometry and a closest distance of approach to the LHC beams of just 5.1 mm for the first sensitive element.

Cooling is provided by evaporative CO2 circulating microchannel cooling substrates. The  whole detector contains 41 million 55 µm by 55 µm pixels. Each detector assembly is read out by three custom developed VeloPix front end ASICs. Each ASIC is designed to cope with almost 1 billion hits per second.

The VELO upgrade has been described in the Technical Design Report External link mark, submitted in November 2013 which lays out the planned construction and installation, and gives an overview of the expected detector performance. Some key figures and diagrams related to the VELO Upgrade can be found on our collection at Material for Presentations


 

VELO Project Organisation


The Velo Upgrade Project operates under the responsibility of the VELO Project leader Paula Collins and deputy project leader Kazu Akiba.

The project is organised into workpackages covering the critical elements of the detector.

The complete organogram and the contact persons for each of the workpackages can be found at Velo Organisation


 Links to main topics:

 

Modules Sort Assembly Sort Integration SortSorted descending Software Sort Velo R&D Sort VELO: The Original Detector Sort
           
      DetectorModel   Performance And Simulation
FE Circuits Detector Halves Vaccum Motion ControlSoftware Upgrade II NEW Operation Manuals
Feed-Throughs Database Interlocks Closing And HLT Mechanics Temperatures
Sensor Tiles Electronics and DAQ Infrastructure DQM Simulation DAQ
  Detector Transport HV/LV  Velo reconstruction soft   Monitoring
Module Component Database Temperature DAQFirmware Tracking And RTA   Alarms
Micro Channels RF Foil Cooling Commissioning and Daily Operation Soft Test Beam Vacuum/Motion/Cooling
VeloPix ODE Commissioning Simulation Sensors R&D HV/LV

 

 

 

Quick Links:

Velo Contacts Page
List Of Conferences And Speakers
Material for presentations
Publications

 

 

 

The old Velo Twiki can be found here:  Obsolete Velo Twiki

 

The VERY OLD Velo pages can be found here: OLD Web pages (not updated) External link mark

 

 

Topic revision: r119 - 2022-06-28 - ValerianDeCarvalho
 

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