1
LHC Days in SplitStatus of LHCb construction
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
Study of CP violation in B meson decaysVertex reconstructionParticle ID up to 100GeVMagnet spectrometerCalorimetersMuon system
Efficient multilevel triggerExperiment control andData acquisition Systems
On behalf of the LHCb Collaboration
3
Status of LHCb construction
Dipole magnet
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
20/01/2004
17/11/2003
12/12/2003
Magnet install in 2003-04
4
Status of LHCb construction
Dipole magnet
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
01/09/2004
Magnet assembly doneMoved to working location
(~1500 ton)Connected to supplies
Currently preparing forfield measurement
Ready for detector installin November 2004
7
Status of LHCb construction
VErtex LOcator
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
VELO mechanicsunder construction
8
Status of LHCb construction
VErtex LOcator
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
Final prototype test in 2004Mass production in 2005
-2oC
-7oC
-14oC
-22oC
-25oC
9
Status of LHCb construction
Upstream integration
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
TT siliconRICH1
VELO
10
Status of LHCb construction
RICH 1
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
Gas enclosure
Beryllium spherical mirrors
Quartz windows
Seal directly to the VELO exit window
Glass secondary plane mirrors (outside the acceptance)
Magnetic shields (each ~8 tonnes of “Armco” iron)
7x14 HPD arrays
Exit windowseals tobeampipe
∫Bdl~0.15 Tm
11
Status of LHCb construction
Silicon Tracker
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
Trigger TrackerTTa and TTb ladder structure
Prototype half-ladder under test
12
Status of LHCb construction
Silicon Tracker
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
Beam-test lay-out
13
Status of LHCb construction
Inner Tracker
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
Finalizing detailsWafer production in 2005
14
Status of LHCb construction
Outer Tracker
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
185 F-modules
124 S-modules
Three production facilities operational
15
Status of LHCb construction
Outer Tracker
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
Straw tube chamber production site
16
Status of LHCb construction
Outer Tracker
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
¼ medium station
Mass production achieve nominal rate at 3 sites,
completion in 2005
17
Status of LHCb construction
RICH 2
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
Construction of mechanicsMirrors to be installed soon
18
Status of LHCb construction
RICH 2
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
Readout chip
Silicon sensor
Bump-bonding
Packaging
Ceramic carrier
Brazing and gold-plating
HPD encapsulation
Prototype and technology verified484 + spares HPD production started
Hybrid Photo Detector construction
19
Status of LHCb construction
Calorimeters
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
Single Particle Detector and
Pre-Shower
Supermodule
MaPMT+VFE
Fiber mapping
20
Status of LHCb construction
Calorimeters (ECAL)
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
ECAL – 3300 modules assembly completedUnder cosmic test Preparing for installation in 2005
21
Status of LHCb construction
Calorimeters (ECAL)
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
ECAL support construction
22
Status of LHCb construction
Calorimeters (HCAL)
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
HCAL modules construction (completion in 2004)
23
Status of LHCb construction
Calorimeters (HCAL)
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
HCAL optics assembly
Tiles -12 ton
Fibers – 80 km
Iron – 500 t
24
Status of LHCb construction
Calorimeters (HCAL)
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
HCAL support constructionDelivery in 2004
25
Status of LHCb construction
Calorimeters (HCAL)
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
HCAL modules (in total 52)• test pile-up of 8 modules• cabling and final test
26
Status of LHCb construction
Muon System
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
Muon shield assembly in cavern(completion 2004)
27
R4
R3
R2R1
Status of LHCb construction
Muon System
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
Regions in muon station
Beam pipe
5 muon stations4 regions in each
28
Status of LHCb construction
Muon System
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
3-GEM
Total: 1368 MWPC + 24 3-GEM + Spares 5 production sites in operation
29
Status of LHCb construction
Muon System
06.10.2004 Rustem DZHELYADIN (IHEP, Protvino)
Muon MWPC production