PP%20Roadmap

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PP Roadmap

• The PPAP
• How it handles its role
• The Particle Physics Programme
• and the RoadMap

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PPAP Official Terms of Reference

• A prioritised long-term strategy for particle
  physics
• Advise on the Facilities required to deliver that
  strategy
• Review the success of PPARC in meeting that
  strategy
• Report to the Science Committee
• Provide input for the annual Road Map update and
  the SCs Strategy discussions
• Consult the community

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Current Membership

• Peter Dornan (Chair)
• Giles Barr
• John Dainton
• Val Gibson
• Nigel Glover
• Tim Morris
• Franz Muheim
• Dan Tovey
• Peter Sharp
• Ex-officio
• Dave Charlton co-Chair PPGP
• Steve King co-Chair PPGP
• John Wormersly Director PPD, CCLRC
• Ken Peach co-Chair CERN Council Strategy Group
• PP Council Members
• Brian Foster
• John Ellis

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Items Discussed so far

• Theory Topics - Strings, Lattice QCD,
  Phenomenology
• LHC - ATLAS, CMS, LHCb, ALICE, Diffractive
  Production, SLHC
• Linear Collider - Accelerator RD Sub-TeV,
  CLIC, Detector RD - LCFI, CALICE, Physics
• Neutrino Physics - SuperBeam T2K, Double Beta
  Decay - SuperNEMO, COBRA, Reactor Experments
  Braidwood,
• Neutrino Factory, MICE
• Tevatron - CDF, D0
• B-Factory - Babar, Super B-Factory
• Future CERN Fixed Target programme
• Detectors Future Technology
• E-Science - GridPP2, LCG-2

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Involving the Community

• Vital but far from trivial
• The role of the PPAP as a conduit between
  community and PPARC/SC has still to be
  established
• Experimenting with individual visits to groups
• also production of Discussion Papers on
  major topics to elicit feedback from the
  community
• and then produce PPAP Strategy Documents

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University Visits

• So far fewer than I had hoped
• However better than 1 per year!
• Glasgow Edinburgh
• Nigel Glover, Kim Dollimore, pjd - Feb 15
• Manchester Sheffield
• Tony Doyle, pjd - May 12/13
• Response has been positive
• More are planned

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PPAP Policy Documents

• To summarise the views of the PPAP on the major
  issues
• - after discussions in the PPAP and input from
  the community.
• Two are in production
• Linear Collider - coordinator - Franz Muheim
• Neutrino Physics - coordinator - Giles Barr
• Aim for Jan/Feb 2006
• In time to provide input to the CERN Council
  Strategy Review

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The PP Programme

• The Primary Goal is surely
• What is the Physics Beyond the Standard Model
• This used to be The Theory of Everything
• But we are more circumspect now
• This involves detailed probing of The Standard
  Model
• And there are other Goals
• such as The Structure of Hadrons
• And it may be necessary to understand this much
  better to progress on the Primary Goal

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Major Themes

• Beyond the SM
• How good is the SM? Is there solution to the
  hierarchy problem? Is there low energy SUSY? Can
  we unify all interactions?, including gravity?
  Only 3 Generations?, Do protons decay?, More than
  4 space-time dimensions?
• Origin of Mass
• Is the Higgs mechanism correct? Are there other
  mass generating methods?, Structure of the Scalar
  sector? One or more (or zero) Higgs bosons?
• Matter- Antimatter Asymmetry
• Does SM describe CP in the quark sector? What BSM
  physics can give CP violation, Is there CP
  violation in the lepton sector?

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Major Themes (2)

• Neutrinos/Leptons
• Are neutrinos Majorana or Dirac? Consequences of
  neutrino oscillation? Just 3 neutrinos? Absolute
  neutrino mass scale? Cosmological consequences of
  neutrino mass? Is lepton flavour violated in the
  charged sector? Is lepton number a good quantum
  number?
• Properties of the Strong Interaction
• How are quarks gluons bound to form hadrons?
  Can we predict the hadronic spectrum? Are there
  exotic states? Is there a quark gluon plasma?
• Technical Advances
• Accelerators, Detectors, Electronics, Software

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Tools

• Experimental
• Discovery Physics
• Leptonic Physics
• Flavour Physics CP Violation
• Precision Measurements
• Hadronic Physics
• Theoretical
• Phenomenological Modelling
• String Theory, M Theory
• Lattice QCD

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Experimental Programme
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Time Scales Prioritisation
Programme Priority
Discovery Physics 5
Leptonic Physics 5
Flavour Physics CP Violation 4
Precision Measurements 3
Hadronic Physics 3
Technical RD 5
Many of Following timescales are speculative -
and priorities refer to the future
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Discovery Physics
Expt Priority
ATLAS, CMS 5
CDF, D0 4
Lin Coll Expt 4
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Leptonic Physics
Expt Priority
n Superbeam - T2K 5
0nbb Super-NEMO, COBRA 4
Reactor Braidwood 3
n Beam - MINOS 3
Tritium Spectrum Katrin 2
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Flavour Physics CP Violation
Expt Priority
LHCb 5
B-Factory -Babar 3
Rare Kaon NA48/3 3
ATLAS, CMS, CDF, D0 2
Super B-Factory 1
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Latest Results from D0 on Dms
So CDF/D0 priority for heavy flavour results
should be raised. They are now producing
significant results in the Bs and b-baryon systems
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Hadronic Physics
Expt Priority
LHC Diffractive FP 420 3
Heavy Ion 3
H1, ZEUS 2
Babar 2
ATLAS, CMS, CDF, D0 2
Hadronic Beam COMPASS 1
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Technical RD
Activity Priority
Lin Coll Acc LCABD 5
NuFact Acc, MICE 5
Lin Coll Det LCFI, Calice 4
SLHC Detector 3
Neutrino Detector 2
Generic PP Electronics 3
Software applications 3
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Theory

• The community is expanding
• at a greater rate than the number of PDRAs
• Phenomenology
• Very successful recently - but UK still lacking
  in the area of neutrino phenomenology
• Strings, M-Theory
• UK second only to US - perhaps the best
  approach to BSM? - desire to establish a
  Strings Institute
• Lattice QCD
• UK now has fastest machine, QCDOC, some excellent
  results recently. UKQCD is widely recognised as
  world-leading
• Quantum Field Theory
• Still a substantial effort in this area

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Phenomenology

• Enormously important to maintain a strong
  phenomenological base in the UK.
• Now much stronger than it was 10 years ago
• Liaison with the experimental community is now
  very good

Area Priority Comment
SUSY, BSM 5 Vital for LHC exploitation. Improving in the UK but more is needed
Neutrinos/leptons 4 Major growth area internationally. Very weak in the UK and needs strengthening urgently
Flavour CKM/CPV 4 Strong in the UK
QCD 4 Very strong in UK. MC work is particularly important and visible
SM 4 Necessary to find BSM, UK activity is low
Lin Collider 4 UK making significant contributions
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Comments Experiment

• Heavy Ions
• UK activity is small relative to other countries,
  Why?
• EDM Experiments
• Electron Neutron - UK very strong -
  Beautiful experiments - speculative but could
  be sensational. Good that the UK supports such
  activities at a low level.
• Rare Decays
• Kaon, Muon why such little UK activity? m -gt e
  could be the next major discovery? K -gt pnn
  provides independent determination of the
  unitarity triangle
• Super B-Factory
• Probably will be one in Japan - should it be in
  the UK Roadmap? So far no great interest - but
  if CP violation from penguins is different from
  CP violation from trees

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LHC

• Exploitation of the LHC Investment is the No. 1
  Priority
• but there are many questions
• - the computing needs, personnel machines
• - completion of the day-1 detectors
• - minor upgrades over the next 5 years
• to improve performance
• to replace damaged/faulty equipment
• SLHC
• Luminosity of 1035 by 2014?
• Requires substantial RD
• - but exploitation must take preference over
  upgrades RD

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The Linear Collider (1)

• A Vital Machine but the future is hard to
  predict
• Impressive progress since the decision for the
  cold technology
• An Optimistic Scenario for the ILC
• Decision by 2010, Data in 2016
• Expts Machine to be designed by 2010 -
• Relevance of CLIC?
• UK should actively engage in the development of
  CLIC technology
• Accelerator Centres?

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Linear Collider (2)

• The UK must have a leading role
• In the accelerator
• LCABD - Beam Delivery, Beam Monitoring
• Major Industrial Activity badly needed
• Accelerator Centres Role?
• Other countries are moving fast
• In the Detectors
• Going well - Vertex Detection (LCFI), Calorimetry
  (CALICE)
• In the physics planning
• Satisfactory
• In the politics
• Good

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The Neutrino Programme

• Neutrino Related Activity is now expanding
  rapidly
• MINOS has started taking data
• Seed Corn Funds have been requested for
  Superbeam,T2K, and Neutrinoless Double Beta,
  Super-NEMO
• Assuming success both have large programmes ahead
• An SoI for a reactor experiment at Braidwood has
  been submitted
• In addition SNO continues and there is a small UK
  participation in KATRIN
• MICE is now approved for Phase-1 by Gateway,
  PPARC and CCLRC
• Many Opportunities for the Future
• The UK can (and should) have a big influence

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Future Neutrino Opportunities

• Neutrino Detectors - Here there is minimal UK
  activity
• They need to be very very large affordable
• Huge Calorimeters - with magnetic field?
• Water Cerenkov
• Liquid Argon a la ICARUS
• Must they be underground
• Neutrino Beams - Here there is considerable UK
  activity
• High Powered SuperBeams
• Beta Beams
• Neutrino Factory
• International Scoping Study for a future neutrino
  complex
• UK Initiative Launched June 2005
• - will examine physics reach possible
  accelerators potential detectors
• There is a real possibility that a Neutrino
  Factory could be in the UK

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Neutrino Factory at RAL
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Summary

• The next 15 years promises for Particle Physics
• Many Opportunities
• Much Excitement
• But we need to be proactive to take advantage
• Must maintain and strengthen out International
  Position
• The PPAP will help to generate a viable strategy
  to justify the necessary resources