Richard J. Tesarek Fermilab For the CDF Collaboration CDF 2002 Toward Physics Richard J. Tesarek Fermilab For the CDF Collaboration Fermilab Users Meeting June 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

CDF II Detector All new electronics New trigger & DAQ New software Fermilab Users Meeting June 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

Now Accelerator tuning up Luminosity on the rise Fewer beam related problems Store Initial Luminosity Fermilab Users Meeting June 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

Muon Systems Central & extension muon systems Run I Forward muon systems Run II Fermilab Users Meeting June 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

Calorimetry Central calorimeters Run I Plug & forward calorimeters Run II Fermilab Users Meeting June 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

Plug Performance Calorimeter 100% live Shower Max 99% live Calibrations complete (~1% scale uncertainty) Fermilab Users Meeting June 10 2002 R.J. Tesarek Fermilab

Time of Flight (TOF) Identify p, K, p up to 2 GeV Fermilab Users Meeting June 10 2002 R.J. Tesarek Fermilab

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

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 10 2002 R.J. Tesarek Fermilab

Detector X-ray Map out Material in CDF E loss and multiple scattering Feed into MC Close track pattern recognition Fermilab Users Meeting June 10 2002 R.J. Tesarek Fermilab

Silicon New Large system L00: SVXII: ISL: Improve d0 Increased accept 3D vertex finding ISL: Increase tracking to eta=2 Fermilab Users Meeting June 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

Trigger L1: tracks, jets, leptons,ET, Missing ET L2: impact parameter, calorimeter clusters L3: full reconstruction 50 Hz ~20MB/s 300-500 Hz 45 kHz Fermilab Users Meeting June 10 2002 R.J. Tesarek Fermilab

Fast Track Trigger (XFT) MISSING SLIDE Fast Track Trigger (XFT) Fermilab Users Meeting June 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

QCD + Jets Parton distribution functions at high Transverse energy (ET) Pseudorapidity (h) Quark-lepton compositness Fermilab Users Meeting June 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

W Reconstruction Data quality good! Fermilab Users Meeting June 10 2002 R.J. Tesarek Fermilab

Searches The hunt is on! Z’ -> m m Fermilab Users Meeting June 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab

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 10 2002 R.J. Tesarek Fermilab