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SuperB update

SuperB update. The next step in flavor physics in Europe. The INFN-hosted SuperB Factory has been able to establish its case due to an important nuance between the European and US strategies. Europe 1) LHC (and LHC consolidation) 2) Accelerator R&D

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SuperB update

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  1. SuperB update The next step in flavor physics in Europe

  2. The INFN-hosted SuperB Factory has been able to establish its case due to an important nuance between the European and US strategies. Europe 1) LHC (and LHC consolidation) 2) Accelerator R&D 3) ILC 4) Neutrino 5) astrophysics and cosmology 6) Flavour physics US 1)LHC 2) ILC 3) ILC hosting efforts 4) astrophysics and cosmology 5) Neutrinos 6) Flavour Physics Japan has come to a similar set of priorities, and created a joint Lepton Group to work on ILC R&D, Neutrino and B physics. • “Flavour physics and precision measurements at the high-luminosity frontier • at lower energies complement our understanding of particle physics and allow • for a more accurate interpretation of the results at the high-energy frontier; • these should be led by national or regional collaborations, and the • participation of European laboratories and institutes should be promoted.” David W G S Leith

  3. The story in Italy and Europe The INFN-hosted SuperB project is now firmly established as a part of the long range strategic plan for HEP in Europe. There are regular sessions of the CERN Council, (in its role as steward of European HEP), devoted to review of progress of the SuperB project. The Board of Directors of INFN approved the SuperB TDR activities as a “Special Project” in the spring of 2009 to support the international activites, and utilize the INFN and Lazio regional financial resources made available to the project.

  4. The approval path A substantial financial request from Ministry of research has been adressed to the Infrastructure Interministerial panel 2) An exploitation program with the Italian Institute of Technology (IIT) of synchrotron light from SuperB has been designed with five extracted beam lines 3) The corresponding funding has been preliminary favourably discussed at IIT and adds to the construction funds

  5. Frascati Lab site

  6. Tor Vergata site

  7. Collider Hall (12x30m) Electrical Substation upgradable up to 2x63MVA transformers area for cooling towers 2 “SLAC type buildings” (20x35m) housing 6 klystrons each plus magnet power supplies Existing Building Guesthouse F.Forti - SuperB Status

  8. Geological Survey F.Forti - SuperB Status 8

  9. Parameters Energies can be varied , still maintaining the high polarization, away from nominal 7/4 . Possible optimal are: 4.18/6.71 or 3.85/7.27

  10. SuperB Accelerator Update • Design based on the “large Piwinski angle and crab waist sextupoles” collision scheme, tested at DAFNE F-Factory with an increase in peak luminosity of a factor of 3 w.r.t. previous scheme • The aim is to satisfy the physics requirements • Very high luminosity (from 1 to 4 1036) • Flexible parameter choices. • High reliability. • Longitudinally polarized beam (e-) at the IP (>80%). • Ability to collide at the Charm threshold. (Ecms=4.0 GeV)

  11. Latest studies • Flexibility : Luminosity of 1036 it is not a “singularity” in the parameter space. It can be achieved with different settings of parameters, varying independently their values from nominal as: • Increase vertical emittance in HER and LER by x4 • Increase by* by 40% in both rings • Increase vertical emittance and by* by 40% in both rings • Increase x and y emittance by 40% • Decrease Vertical tune shift from 0.117 to 0.09 • Maximum currents: 3.5 A in both rings (based on RF best design), however the nominal operating is ≈ 2.1 A • Energy asymmetry : Being the choice 4.0/7.0 not good for polarization • Reasonable choice are: • 4.18/6.71 (best for machine optimization!) • 3.85/7.27 (higher boost better for detector performance but more power expensive)

  12. Latest studies • Machine layout updated (very flexible lattice), including design of injection, RF and ring crossing straight section opposite to IP • Beam parameters are now fixed • Beam-beam simulations (with codes benchmarked with DAFNE measurements) give feasible and flexible design satisfying the physics requirements. • Design of the injection system almost completed (includes polarized e- gun, damping ring, bunch compressor, e+ source, linac) • Baseline machine around 1.3 Km long with: • Spin rotators in LER (electrons, ~4 GeV) • Positrons in HER, ~7 GeV

  13. Rings Layout C = 1323.03 m 60 mrad IR LER SR LER SR LER arc HER arc LER arc HER arc e+ Dogleg 140 mrad e- RF RF

  14. David W G S Leith

  15. IIT interested in ………… • lithography for 3D scaffolding for bio-engineering • laser ablation on biomaterials • femtochemistry studies • photon induced growth for material science • innovative interface diffraction techniques • imaging in biomedicine • X ray microscopy

  16. Physics update The Physics effort is the result of the close coordination between theorists and experimentalists: • ~ 35 theorists coordinated further elucidate the New Physics potential of The super Flavour Factory • ~60 experimentalists evaluate the experimental sensitivity to New Physics from studies of Charm, b, t and from spectroscopy. The table of requirements for the Machine is substantially confirmed.

  17. PHYSICS Exploration of CKM parameters at 1% precision. New physics in search for CP violation in D decays, in search LFV in tau decays, in search CP violation in tau decays. Sensitivity to N P phenomena up to energies ~ 30 Tev (beyond LHC energies)

  18. David W G S Leith

  19. Super B CDR Detector BASELINE OPTION Budget Briefing with OHEP Staff: Feb 25, 2010

  20. SuperB Detector Design Starts From BaBar Physics demands and experimental environment drive the needed upgrades • From Machine and Environment: • Smaller Boost (6.7 x 4.18 GeV; bg=0.24)  Smaller radius beam-pipe to retain adequate vertex resolution.  Larger barrel acceptance. More particles backward with somewhat softer spectrum forward • Some (though not all) components of machine background components will be substantially larger.  Improve detector segmentation, speed, and radiation hardness as needed • From general physics goals, which emphasize rare decays, LFV in t physics, and recoil (n) physics • Would like best possible hermeticity, good subsystem efficiency and performance. • ~ x 50 Luminosity • Improved trigger, DAQ, & computing • Last, but not least, must replace aging components and technologies. Budget Briefing with OHEP Staff: Feb 25, 2010 23

  21. International situation • US • SLAC + many universities • DOE requested paper to assess scenarios for US partecipation to SuperB. • Three scenarios: • A: provide PEP-II / Babar components without additional contributions • B: A + detector only contribution • C: B + accelerator contribution • Draft completed and being revised • Complete document by next week • Canada: • Carleton, McGill, TRIUMF, UBC, U. de Montreal, and Uvic • Drift chamber activities • Funding for the TDR phase F.Forti - SuperB Status

  22. International Situation II • France • SuperB TDR participation approved at IN2P3 scientific Council in June 2009 • IRFU/CEA, LAL, LAPP, LPSC, LPNHE collaboration • Various aspects of accelerator design • Seismic noise measurement • Electronics and PID • UK • Funding cuts make the situation uncertain • QMUL/RAL working on SVT design • Russia • BINP involved in accelerator and detector work • Poland • Recent new addition of Krakow – Becoming involved • Spain • Barcelona and Valencia trying to expand the spanish participation • Norway, Israel F.Forti - SuperB Status

  23. Italy • End July 2009- The Italian Minister of Science has presented the SuperB proposal for funding to the Interministerial Committee for Economic Planning (CIPE) • Total of about 700M€ for infrastructure, accelerator and computing • Detector will be funded through normal channels in HEP funding agencies • Proposal done in consultation with IIT (Istituto Italiano di Tecnologia) • Exploit synergies with material science research • Possibility of photon beam lines out of the HER • Decision expected soon - weeks • Most likely an initial 50-100M for civil design and construction • Then the rest after a full blown budget estimate and review • INFN President scheduled to talk at the CERN council on March 18th F.Forti - SuperB Status

  24. The End

  25. Summary of Physics Goals The goal is to gather ~ 75 ab-1 in 5 years at Y(4s), and a few months at Charm threshold with a peak lumi of 10 35 cm2 s-1. • Increase by ~ a factor of ten, the precision of BaBar &Belle (*) • Challenge CKM at the level of 1% • tau LFV sensitivity improvement by a factor between 10 and 100. • Explore T-violation in t . • Search for magnetic structure of t . • Explore CPV in Charm. • Continued new spectroscopy exploration. Perugia June 15,2009 David W G S Leith Marcello A. Giorgi 33

  26. The Italian Ministry of Science and Education has asked the Economy Ministry to fund SuperBwith the funds to come from beyond the normal INFN budget. There are regular, bi-monthly discussions at the highest level of the Italian government, on the financial arrangement for the next fiscal year, and high hopes of a positive announcement of project approval before the end of this year. After a two day meeting at LNF, in September, the INFN Board of Directors gave their unanimous support to the President’s vision of SuperB as the focus of the national HEP program.

  27. Model for US Involvement • Provide an exciting new physics opportunity at the Luminosity Frontier. • Match community interests in the physics, detector and software to allow the formation of the strongest US group • Provide upgraded US owned subsystems that provide highest value-added to SuperB. • Provide exciting new opportunities for innovative hardware/software development by the US groups. • Leverage expertise and facilities to maximize productivity for SuperB and the US groups , and to provide leadership, operational, and physics opportunities for US groups Budget Briefing with OHEP Staff: Feb 25, 2010

  28. In the red regions the d are measured with a significance >3s away from zero 1 10-1 10-2 = (0.026 ± 0.005) Arg(d23)LR=(44.5± 2.6)o 1 10 1 TeV Physics Case ..in a page… SuperB+Lattice improvements 107 BR (tmg) SuperB tan b SuperB MH~1.2-2.5 TeV for tanb~30-60 M1/2 F.Forti - SuperB Status tan b

  29. Flavour physics is a DNA chip for New Physics David W G S Leith

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