1. Richard J. Tesarek Fermilab For the CDF Collaboration
CDF 2002 Toward Physics
Richard J. Tesarek
Fermilab
For the CDF Collaboration
Fermilab Users Meeting June
R.J. Tesarek Fermilab

2. Outline CDF Run II Physics Program CDF II Detector Status
Where were we last year
Progress since then
Detector Performance
Muon Calorimetry
Tracking Silicon
Particle ID Trigger
Detector Operations
Good News/Bad News
Offline Reconstruction
Physics for this Summer
Heavy Flavor
QCD
Electroweak
Near Term Plans
Summary
Fermilab Users Meeting June
R.J. Tesarek Fermilab

3. CDF Run II Physics Goals
Precision top and electroweak physics
Higgs Bounds
Discovery/Exclusion of light Higgs
Discovery/Exclusion of light SUSY
Searches:
Quark-lepton compositeness
New particle substructure
New dynamics
New forces
Extra dimensions
New space/time structures
Fermilab Users Meeting June
R.J. Tesarek Fermilab

4. CDF Run II Physics Goals
Detailed study of B hadrons
CP violation
CKM constraints
sin(2b) from B0/B0  J/y Ks
|Vtd/lVts| from B0-B0 and Bs-Bs flavor oscillations
Lifetimes
Production cross section
Narrow window of opportunity
Fermilab Users Meeting June
R.J. Tesarek Fermilab

5. CDF II Detector All new electronics New trigger & DAQ New software
Fermilab Users Meeting June
R.J. Tesarek Fermilab

6. CDF II Detector Components from run 1 New for run 2
Central and extension muon system
Central & wall calorimeters
Solenoid & lots ‘ o steel
New for run 2
Forward muon detectors
Tracking systems
Central tracker (COT)
Silicon tracker (L00, SVX, ISL)
End plug calorimeter
Luminosity Monitor
Time of flight
Front end electronics (132ns)
DAQ & trigger
Software
Fermilab Users Meeting June
R.J. Tesarek Fermilab

7. Last Year Accelerator turning on Installing/connecting new detectors
Silicon
Forward muon detectors
Time of flight
Commissioning detectors
Reproducing commissioning run results
Fixing dead/hot channels
Correcting noisy channels
Commissioning trigger hardware
L1 track trigger
L2 trigger boards
Writing tuning software
L3 algorithms
Offline reconstruction
Fermilab Users Meeting June
R.J. Tesarek Fermilab

8. Now Accelerator tuning up Luminosity on the rise
Fewer beam related problems
Store Initial Luminosity
Fermilab Users Meeting June
R.J. Tesarek Fermilab

9. Now CDF Tuning up More of experiment running
Improving data taking efficiency
<Effic> = 67% Low=20% High=93%
Details follow…
Delivered Luminosity
To Tape
Fermilab Users Meeting June
R.J. Tesarek Fermilab

10. Muon Systems Central & extension muon systems Run I
Forward muon systems Run II
Fermilab Users Meeting June
R.J. Tesarek Fermilab

11. Muon Systems Central & Extension Muon Detectors
System commissioned and aligned
95% live
Triggering on muon track stubs
Forward Muon Detectors (New)
System commissioned
98% live
Alignment underway
Fermilab Users Meeting June
R.J. Tesarek Fermilab

12. Calorimetry Central calorimeters Run I
Plug & forward calorimeters Run II
Fermilab Users Meeting June
R.J. Tesarek Fermilab

13. Central Calorimeter Run I detector  New electronics
Fully commissioned last summer
Energy Measurements
100% PMTs/electronics working
Energy scale calibrated to ~1%
Reproducing response maps of Run I
Position Measurements
99% chambers/electronics working
Energy response calibration in progress
Alignment to tracking ~5mm
Reconstruction advancing
Fermilab Users Meeting June
R.J. Tesarek Fermilab

14. Plug Calorimeters New Detectors and new electronics
Pb(Fe) scint. Sampling calorimeters
Better E resolution
Extended coverage
More reliable
Fully commissioned last summer
Energy Measurement
100% PMTs/electronics working
Energy scale calibrated to ~1%
Forward calorimeter (Mini Plug)
Extend coverage in h to
47% instrumented
Fermilab Users Meeting June
R.J. Tesarek Fermilab

15. Plug Shower Max Position Measurement in new detector New electronics
Central tracking only covers ~1/2 plug calorimeter
99% PMTs/electronics working
Inter channel calibration complete
Fermilab Users Meeting June
R.J. Tesarek Fermilab

16. Plug Performance Calorimeter 100% live Shower Max 99% live
Calibrations complete
(~1% scale uncertainty)
Fermilab Users Meeting June
R.J. Tesarek Fermilab

17. Time of Flight (TOF) Identify p, K, p up to 2 GeV
Fermilab Users Meeting June
R.J. Tesarek Fermilab

18. Time of Flight fK+K- Fermilab Users Meeting June 10 2002
R.J. Tesarek Fermilab

19. Central Tracking New Detector & Electronics Hit resolution ~175mm
Smaller cell size
Multi-hit TDCs
dE/dx encoded
in pulse width
Hit resolution ~175mm
Single track efficiency 100%
dE/dx
P (GeV)
Fermilab Users Meeting June
R.J. Tesarek Fermilab

20. Detector X-ray Map out Material in CDF E loss and multiple scattering
Feed into MC
Close track pattern recognition
Fermilab Users Meeting June
R.J. Tesarek Fermilab

21. Silicon New Large system L00: SVXII: ISL: Improve d0 Increased accept
3D vertex finding
ISL:
Increase tracking to eta=2
Fermilab Users Meeting June
R.J. Tesarek Fermilab

22. Silicon Commissioning
Commissioning in progress
Problems are mostly fixed during access
Accelerator related problems
Cooling problems in ISL
Initial alignment good (s<50mm) Trigger
Fermilab Users Meeting June
R.J. Tesarek Fermilab

23. Luminosity Monitor Cherenkov radiation detector
Increased segmentation in smaller area
Less pile up at high rate
Decreased sensitivity to secondary particles
Direct measure of luminous region
Timing and pulse height recorded
Fermilab Users Meeting June
R.J. Tesarek Fermilab

24. Detector Summary Subsystem % Comments Luminosity Monitor 100% Running
Silicon: L00
SVX
ISL
97%
90%
60%
commissioning
cooling+commissioning
Central Tracker (COT)
Missing one cell from broken wire
Time-of-Flight
Shower Max
99%
Central aligned ~5mm
Calorimeters
Muon: central
forward
Chamber currents
Forward Detectors
47%
Fermilab Users Meeting June
R.J. Tesarek Fermilab

25. Trigger L1: tracks, jets, leptons,ET, Missing ET
L2: impact parameter, calorimeter clusters
L3: full reconstruction
50 Hz
~20MB/s Hz
45 kHz
Fermilab Users Meeting June
R.J. Tesarek Fermilab

26. Fast Track Trigger (XFT)
MISSING SLIDE
Fast Track Trigger (XFT)
Fermilab Users Meeting June
R.J. Tesarek Fermilab

27. Silicon Vertex Trigger (SVT)
Impact/displaced vertex trigger
Lxy
Beam spot
secondary vertex R PT
Initial alignment < 50mm
Real time position to MCR
Resolution 48 mm
Cut d0 > 120mm
ct ~ 360um (B decays)
Fermilab Users Meeting June
R.J. Tesarek Fermilab

28. Hadronic B Trigger Trigger on fully hadronic b decays
L1: >2 XFT tracks; PT > 1.5 GeV
L2: >2 SVT tracks; PT > 2.0 GeV; d0 >120 mm
Fermilab Users Meeting June
R.J. Tesarek Fermilab

29. DAQ and Offline DAQ: Operating at design (20Mb/sec) Offline:
Processing keeping up with DAQ
DAQ: data to tape
Offline: data processed
Fermilab Users Meeting June
R.J. Tesarek Fermilab

30. Operations “Smooth running until something breaks”
Muon chamber currents
Run I: CMP currents ~1mA
Run II: CMP currents ~10mA
Power supply failures
Silicon problems
October incident
April incident
ISL cooling
Blocked lines
Beam related backgrounds
Fermilab Users Meeting June
R.J. Tesarek Fermilab

31. Power Supply FailuresI
43 VME power supplies failed in the collision hall since last year
Failures due to radiation soft power MOSFET undergoing single event burnout
Solutions identified involving:
Power supply modification
Adjust power supply operating conditions
Install radiation hard components
Installation of additional shielding
Fermilab Users Meeting June
R.J. Tesarek Fermilab

32. ISL Cooling (Angioplasty)
High power laser
To clear lines
Status:
12 blocked lines blocked at installation
5 lines cleared so far (6/9/02)
Work continuing during shutdown
Fermilab Users Meeting June
R.J. Tesarek Fermilab

33. B Physics Program Start with charm Plans for summer conferences
Total direct inclusive charm cross section
pp  cc + X
Ds+ – D+ mass difference
Momentum scale calibrated
Energy loss and multiple scattering understood
Fermilab Users Meeting June
R.J. Tesarek Fermilab

34. Charm Summer conferences D0K+p- D0p+p- D0K+K-
Ratio of branching ratios
D0K-p+ : D0p+p- D0K+K-
D0K+p-
D0p+p-
D0K+K-
Fermilab Users Meeting June
R.J. Tesarek Fermilab

35. QCD + Jets Parton distribution functions at high
Transverse energy (ET)
Pseudorapidity (h)
Quark-lepton compositness
Fermilab Users Meeting June
R.J. Tesarek Fermilab

36. CDF Highest Et Dijet Event
Jet ET1=403.3 GeV, h1=0.037
Jet ET2=322.0 GeV, h2=-0.364
Vertex z = 39.0 cm
Missing ET significance = 1.93
Fermilab Users Meeting June
R.J. Tesarek Fermilab

37. W Reconstruction Data quality good!
Fermilab Users Meeting June
R.J. Tesarek Fermilab

38. Searches The hunt is on! Z’ -> m m
Fermilab Users Meeting June
R.J. Tesarek Fermilab

39. Near Term Plans Present Access June-Oct 2002 Oct 2002 Shutdown
Clear ISL cooling lines
Install temporary shielding
Complete L2 trigger work
June-Oct 2002
Finish commissioning silicon
Take data
Summer conferences
Oct 2002 Shutdown
Install additional shielding (proton side)
Additional ISL cooling work
Fermilab Users Meeting June
R.J. Tesarek Fermilab

40. Summary CDF II detector is off and running
Most detectors working near 100%
Detector performance nearing/exceeding design spec
Beginning to collect data with higher efficiency
Silicon still being commissioned
Beam related backgrounds
First physics results this summer
Look for more as the data arrives
Fermilab Users Meeting June
R.J. Tesarek Fermilab