1. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 CDF: Prospettive e upgrades Stato Tevatron e CDF Stato di avanzamento dell’analisi Calcolo (v. presentazione S. Belforte con richiesta sblocco SJ) Run IIB:  Situazione generale  Stato progetti a partecipazione italiana Situazione MOF Sommario richieste finanziarie SOMMARIO INFN - Riunione della Commissione 1 Roma 13 Maggio 2003 Franco Bedeschi INFN-Pisa

2. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 TeV Luminosity (old slide May 14, 2002) Peak luminosity still low but improving  Best 2x10 31 Delivered/on tape  40/25 pb -1 Delivered On tape Luminosity Integrated Initial instantaneous 2x10 31

3. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 TeV Luminosity (current situation) Peak luminosity still low but improving  Best 4.2x10 31 Delivered/on tape  230/170 pb -1 Delivered On tape 4x10 31 Luminosity Integrated Initial instantaneous

4. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Tev luminosity 5-7 pb -1 /wk typical  Peak 8.3 pb -1

5. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Tev 2003 Luminosity goals Goals for 2003 (S.Holmes: P5 report 3/26/03)  Base goals: - 200 pb -1 in FY 2003 - 10 pb -1 /wk end of 2003  5.4x10 31 typical  Stretch goals: - 320 pb -1 in FY 2003 - 15 pb -1 /wk end of 2003  7.6x10 31 typical (~max achievable without Recycler)  Currently within these limits ~150 pb -1 As of 5/6/03

6. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Tev goals beyond 2003 Extended goals are still consistent with plan shown at the October ’02 DOE Accelerator Review  6 month shutdown in 05 or 06 can decrease total by 1 or 2 fb -1  Stretch goals max luminosity: 3x10 32 YearBase goals luminosity/yr (fb-1) Stretch goals Luminosity/yr (fb-1) FY020.08 FY030.20.32 FY040.40.6 FY051.01.5 FY061.52.5 FY071.53.0 FY081.83.0 FY091.83.0 Total8.314.0

7. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Tev goals beyond 2003 Fermilab long range plan (M.Witherell P5 presentation – March 26, 2003)

8. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Status of CDF Detector:  All systems commissioned and taking good quality data - ISL: more cooling lines opened during the January shutdown!  Only 1 cooling line (4% of total) remains plugged - Silicon (hardware/trigger) in general much more stable and reliable - ~90 % of all silicon systems currently taking data - L1 accept rate limitation removed - Some unrecoverable damage is piling up % powered % good % bad % error rate January 03 shutdown

9. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Status of CDF Early June 2002 March 2003 Silicon trigger coverage

10. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Status of CDF SVX electronics very delicate  Still learning how to protect it from further damage - Understand now much better sources of damage  Some concern about possible continuous degradation over long periods of time

11. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Status of CDF DAQ and trigger:  ~140 triggers - (e, , ,, , jets, displaced track, many multi-object paths) - SVT very successful and improving  Typical running conditions: - Dynamic prescale  output bandwidth is always saturated!  More b and c phyics at lower luminosity Date/timeMay 6,03 10:42 Lumin.42.4 e30 L111.7 kHz L2251 Hz L368.5 Hz Date/timeMay 4,03 18:03 Lumin.38.0 e30 L117.6 kHz L2239 Hz L366 Hz deadtime ~ 3-4 %

12. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 SVT maintenance and upgrade 4 fold increase in number of patterns  Increase efficiency  Improve timing Increase availability of “spares” Use new technology (Standard Cell?) for new Chip Replace only Amboard ( 12 + spares)  New Amboards are backward compatible New chips are more powerful and provide more flexibility

13. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Physics Results Data used for winter conferences 2003  Data set collected Feb. 02 – Jan. 03  130 pb -1 delivered, 100 pb -1 on tape, ~70 pb -1 used for analysis  ~200 pb -1 on tape by summer Will report highlights only Preference to Italian group work  Strong impact on hadronic B/Charm physics  Many activities in Hi pt physics: top, EWK, tau, searches

14. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 B Physics J/    sample  Better L1 trigger  larger samples/pb -1 than Run 1  Masses, exclusive lifetimes, signals for CP violation (J/  K 0 S,J/   ) Lepton + displaced track samples  Lower lepton pt (>4 GeV) than Run 1 thanks to SVT  Hi stat. lifetimes, signals for Bd and Bs mixing Hadronic samples with displaced tracks  Charm physics, signals and BR for Bs mixing, signals and BR for CP violation measurements  New for CDF thanks to SVT – Main focus of Italian groups - Padova, Pisa, Roma1 (Had. B convener), Trieste

15. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 B Physics Some examples of lepton samples  0 b  J/  385  22 D s (muon only)

16. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Charm Physics Flavor tag with soft  from D* decay

17. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 B Physics Understand signals for Bs mixing Measure relative BR

18. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 B Physics B     +:  Prospect for measurement of relative BR and A CP J/  from tracks only

19. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 B Physics B 0  h + h   Measure relative BR and direct A CP  Prospects for measurement of  301 sig. events CDF II simulation —sum B d  K  B s  KK B d   B s  K  Bd  K  = 0.58 ±0.06 (stat) Bd   = 0.13 ±0.05 (stat) Bs  KK = 0.26 ±0.06 (stat) Bs  K  = 0.03 ±0.04 (stat)  A CP ) = 0.06 ± 0.15 (stat) Not blessed

20. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 High Pt physics (1) Re-discover top!  Measure x-section in various channels  Low precision mass measurement  Italian contributions to study of backgrounds, b- tagging, jet energy corrections, fully hadronic final state (Bologna, Padova (top convener), Pisa, Roma1) W and Z’s:  Measure x-sections in various channels - Including channels with tau’s!  Forward-backward asymmetries  Italian contribution on extension of electron ID to plug calorimeter region and on tau ID (Pisa)

21. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Top physics W events with b tagged jets from 57.5 pb -1 of data Data = 15 events Background =3.8 + 0.5 Use excess events in > 3 jets bins to measure the top cross section  (t t) = 5.3 + 1.9 stat + 0.8 sys + 0.8 lum

22. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 EWK Physics Tau’s are much improved in Run 2  Use W ->  to test universality and optimize selection Charged particle multiplicity from W ->  candidates Compare  (W)*BR(W->  ) to  (W)*BR(W->e  ) g  / g e = 0.99 + 0.04 Z  t t in progress

23. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 High Pt Physics (2) Extensive study of jet properties and x-sections in process  Italian contributions on understanding of energy scales and jet resolution (Frascati, Pisa) Searches for Physics Beyond the SM in progress  First results often improve run 1 results due to high CM energy  Italian contributions on Higgs search to multi-jets, LFV Higgs decays involving taus (Bologna, Pisa, Padova)

24. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Searches with jets M jj More events at high masses than run 1 X10  These limits already improve run 1 results

25. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 CDF for Run IIB The current detector was designed/built based on Run IIa specifications:  Maximum instantaneous luminosity of 2×10 32 cm -2 s -1.  Integrated luminosity of 2 fb -1  ~ few years of operation

26. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 The Run IIb Operating conditions for Run IIb:  Maximum instantaneous luminosity of 3 – 4 × 10 32 cm -2 s -1. - No change in bunch spacing  more interactions/crossing  Total luminosity of up to 15 fb -1 integrated over many years of running The Tevatron experiments have been preparing an upgrade to deal with these problems since 2001  After many reviews (all favorable!) in 2001 and 2002 received from DOE CD-3a approval for equipment spending in FY 03 - Sensor and SVX4 orders have gone out in March 03  Expect new decision from DOE on FY 04 on the time scale of late July 03 after DOE Accelerator Review In May 02 agreed with INFN on envelope for Italian contributions  Some funds and SJ on 2003 INFN budget

27. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Run IIB reviews From M. Witherell P5 presentation

28. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Summary run IIB projects Calorimetry upgrades  New central preradiator (CPR) (*)  Add timing to EM calorimeters (*) Tracking upgrades  Full replacement of all silicon systems inside ISL (*) Trigger upgrades  Improve resolution of L1 track trigger  Rebuild global L2  Increase event builder throughput (*) Activities with contributions from Italian group

29. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Run IIB: Italian contributions CPR:  CPR is an important device to identify electrons and understand their backgrounds  CPR is used to improve jet energy resolution  Old CPR is a slow wire chamber that cannot sustain the higher luminosity and rate of run II  New CPR: - Scintillator based  faster - Finer segmentation in  space - Should have planned it already for Run IIA ! - Installation requires substantial shut-down Run I hi-pt electrons MIPS  electrons

30. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Run IIB: Italian Contributions Italy R&D summary:  Detailed study of tile performance in various configurations - Bicron, Dubna scintillator - Kurarai, PolHiTech fibers/mirroring - Grove shape (uniformity) - Choose Dubna/PolHiTech  Definition of production model with US and Dubna colleagues: - Scintillator cut and grooved in Dubna - Assembly partly in Italy and partly US Test tile

31. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Run IIB: Italian Contributions CPR organization and responsibilities:  Steve Kuhlman (ANL) calorimeter project leader - Joey Huston: CPR project leader  Nicola Turini responsible for Italian contribution  Collaboration: - ANL, Fermilab, Michigan, Rockefeller: Design, assembly and test - Italy: Design, assembly and test/PS - Russia: Scintillator/grooved tiles - Japan (Tsukuba): Multianode Phototubes  Italian groups involved: - Pisa [Siena], Pavia, Roma1, Trieste, (Udine)

32. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Run IIB: Italian Contributions Financial summary:  Total according to May02 plan: 202 k€ - Prototyping20k€(funded in 2002/03) - Scintillator80k€(funding in 2003/04) - Fibers & Connectors45k€(funding in 2003/04) - PS & Cables57k €(funding in 2003/04)  Total SJ for 2003: 100 k€ - SJ adequate to cover 2003 needs - No urgency for release now - Will request release in September after final DOE approval

33. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Run IIB: Italian contributions EM calorimeter timing:  Key to improve cosmic background rejection in  +MET events - Increase efficiency at low  momentum (no need to leak into Hadron Calorimeter)  X 30 yield of Z   X 2-5 GSMB SUSY processes with N 2   G final states Run II x30 run 1 acceptance Run 1 ~ ~

34. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Run IIB: Italian Contributions R&D summary:  3 each transition boards and discriminators prototypes made  After some iteration found cable with satisfactory properties  Now ready for production and installation - Cable installation is time consuming and needs long shut- down (summer 2003!) - Board installation can be done during short accesses

35. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Run IIB: Italian Contributions EM timing organization and responsibilities:  Steve Kuhlman (ANL): calorimeter project leader - Dave Tobak: EM timing project leader  Marco Cordelli responsible for Italian contribution  Collaboration: - US (Texas, Chicago, Michigan, ANL, FNAL): TDC, splitters, infrastructure - Italy: transition boards and discriminators, cables  Italian groups involved: - LNF

36. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Run IIB: Italian Contributions Financial summary:  Total according to May02 plan: 144 k€ - ASD74 k€ (May02) 65 k€ (quote) - Transition boards25 k€ (May02)35 k€ (quote) - ASD  TDC cables25 k€ (May02)25 k€ (quote) - Prototyping10 k€ (funded in 2002)  Total assignments for 2003: 60 k€ + 60 k€ SJ - Request release of SJ now to allow for full installation this summer during extended shut-down - All components provided by US groups already available - Delaying funding to September can imply many months of delay in the installation

37. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Run IIB: Italian contributions Silicon Tracker:  Need replacement for radiation (and other) damage - Limit 4.3 fb -1 for L0 - 5.7 fb -1 for port cards - Other inner layers fail around 7 fb-1 - 4%  -chips and 8 % of z-chips already lost due to various accidents

38. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Run IIB: Italian Contributions R&D summary  12 working modules and 3 electrical staves made - No problems found - Mechanical fixtures OK  Chip pre-production in progress. Back any moment  Sensors being produced: - Delivery starts June 03 and ends March 04  Test on CAEN PS prototypes satisfactory - Working on simplifying system CDF stave electrical prototype Fixtures made in Bologna

39. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Run IIB: Italian Contributions Silicon organization and responsibilities:  N. Bacchetta, B. Flaugher: Project Leaders  Nicola Bacchetta: responsible for Italian contribution  Collaboration: - US: Infrastructure, SVX4, hybrids, assembly, DAQ - Japan: sensors - Italy: management, chip, power supplies, assembly fixtures, SVT mods  Italian groups: - Padova, Bologna, Roma1, (Pisa, Trieste for new mergers)

40. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Run IIB: Italian Contributions Financial summary:  Total according to May02 plan: 473 k€ - Prototyping55k€(35k€ funded in 2002) - Chip130k€(funding in 2003) - Mechanical 38k€(11 funded in 2003) - PS 150k€(funding in 2004/5)  Total assignment for 2003: 11 k€ + 21 k€ SJ mechanical + 130 k€ SJ for chip - SJ adequate to cover 2003 needs - No urgency for release now - Will request release in September after final DOE approval

41. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Status of MOF Last IFC meeting inconclusive, but:  Scrutiny group should produce appropriate documentation by mid-June  Overall Operations budget to share defined to be ~3 M$ - Implies for Italy ~ 350 – 400 k$/yr, but:  Partial credit for computing contributions with penalty factors still under discussion New rules will apply to 2004 if agreement is found at next IFC meeting in September

42. Franco Bedeschi – INFN-Pisa Gruppo1 – 13 Maggio 2003 Financial summary Richieste di sblocco immediato:  60 k€ per completamento EM timing per run 2B  ~122 k€ per upgrade FARM al CNAF (vedi prossima presentazione di Stefano Belforte) Previsioni per Settembre:  Trasferte: - Sblocco attuale SJ + 10 MU finanziamento aggiuntivo per crescita gruppo in corso d’anno (+4 persone)  Run 2B: - Sblocco 130 k€ (chip) + 100 k€ (CPR)