Brendan Casey , Fermilab, FPCP2011 Future Fermilab Flavor Physics Program Probing the highest energies p New Physics Energy Scale, LNP 1E+15 1E+14 n seesaw 1E+13 1013 TeV p 1E+12 p 1E+11 1E+10 K+ 1E+09 100000000 10000000 1000000 e 100000 10000 mK KL mB 1000 103 TeV 100 10 A fb (tt ) 1 TeV1 n LHC compositeness 0.1 B. Casey, FPCP 2011 n ,ne 2/24 Current Rings/Accelerators LINAC 400 MeV Main Injector 150 GeV Accumulator & Debuncher Booster 8 GeV 8 GeV Tevatron Recycler 8 GeV Cockcroft-Walton 750 keV NuMI BooNE B. Casey, FPCP 2011 3/24 Upgrades for experiments this decade Major proton source accelerator improvement project for increased beam power and reliability for next 15 years of operation Booster: 7 Hz 15 Hz 2x flux @ 8 GeV LINAC 400 MeV Main Injector 150 GeV Booster 8 GeV K+ Accumulator & Debuncher 8 GeV p Recycler 8 GeV 200 MHz RFQ Mu2e NuMI BooNE MI: 400 kW 700 kW @ 120 GeV LBNE g-2 Next generation muon, Kaon, and neutrino experiments B. Casey, FPCP 2011 4/24 Upgrades for Experiments next decade g-2, EDM LBNE Short baseline n experiments > 2 MW @ 60-80 GeV ~3 MW high duty factor @ 3 GeV 1 GeV available NeN EDM e, eee +e--e+ Rare isotopes, EDMs Nuclear energy and waste transmutation test facility B. Casey, FPCP 2011 K0 K+ 5/24 Neutrino Beamlines n factory ??? + upgrades Local MiniBooNE MicroBooNE MINERvA SBNE Minnesota on axis 735 km MINOS + upgrades B. Casey, FPCP 2011 Minnesota off axis 810km NOvA + upgrades South Dakota wide band 1300k LBNE + upgrades 6/24 Leptogenesis • “Archeological evidence:” Murayama hep-ph/0208005 – No electroweak baryogenesis NR l H NR l -H * GUT L0 ( B - L) 0 EW B0 – CPV in light, left n – Lepton number violation • What info do we need to do these experiments? Need to know q13 0nbb expectations PMNS Need to know mass hierarchy n3 n n12 m2> 0 B. Casey, FPCP 2011 n2 n1 n3 m2< 0 7/24 NOvA ne Effective mass n3 n2 n1 ne n2 n1 m2> 0 m2< 0 n3 Oscillation frequency increases or decreases depending on hierarchy Far detector Building May 18 Antineutrino interaction in surface prototype Ash River 4/18/2011 B. Casey, FPCP 2011 8/24 LBNE • Longer baseline – 8101300km • Larger detector – 2 x 100 kt Water – 2 x 17 kt Liquid Ar • Next generation q13, CPV experiments • Broad physics program – Oscillations – Astrophysics – Proton decay • Scope of each will depend on detector choice B. Casey, FPCP 2011 9/24 n-factory Ultimate and perhaps necessary reach comes from muon storage ring n factory Variations on LBNE MuCool test area at Fermilab. First beam delivered Feb 2011 Muon acceleration program (MAP) formed to unify US funded R&D and prove feasibility of muon collider in the next few years B. Casey, FPCP 2011 10/24 And much more Address anomalies with MicroBooNE, MINOS+ Precision cross section measurements with MINERvA Ambitious LAr R&D program ArgoNeuT BooNE B. Casey, FPCP 2011 11/24 Antiprotons World’s greatest antimatter factory 2.6 nanograms last year Charm, hyperon, exotics Anti Hydrogen Will be repurposed for muon production but there is still interesting physics that may be unique to this facility B. Casey, FPCP 2011 Anti Gravity 12/24 Kaons Same motivation for FCNC B and K programs d s s b Difference is the size of the SM ‘background’ B mesons: Vts l2 or Vtd l3 or Vub l3 Kaons: Vts* Vtd l5 b s : 3 10-4 K p nn : 7.8 10 -11 Bs : 3 10-9 K 0 p 0nn : 2.4 10 -11 Generic couplings: Kaons win, flavor specific: need both B. Casey, FPCP 2011 13/24 Kp nn 1st 2nd 3rd generation at BNL = 7 event data sample BNL E787 event display Can get hundreds of evts per year starting with beam from Main Injector and continuing with Project X B. Casey, FPCP 2011 14/24 K0p 0nn Picobunches Pointing Pencil beam Plus a lot more 200 evt/yr possible with Project X Generic couplings: Kaons win, flavor specific: need both B. Casey, FPCP 2011 15/24 Other Kaon measurements Enormous data sets + multipurpose detectors = lots of physics B. Casey, FPCP 2011 16/24 Charged lepton flavor program An observation of charged lepton flavor violation expected in the next decade implies existence of a new mixing matrix. Expect same as quarks, neutrinos: multi-decade program to determine 4 parameters of the matrix →e, N→eN →e, eee ee e e e e Cold traps, muon sources, intense super B factories, factories, /charm lepton colliders, Hadron colliders… →, (g-2)e, (g-2), (g-2) CP violation: lepton EDM measurements B. Casey, FPCP 2011 17/24 G-2 • Follow up of BNL experiment but better: Pbar complex – Reuse the storage ring – 10x longer decay channel – Segmented calorimeters target ring – Tracking – >20x statistics, >2x less systematics • Coupled with a world wide program to interpret the measurement B. Casey, FPCP 2011 18/24 Mu2e Direct conversion of a muon into an electron bkg signal Diagrams in common with e Diagrams not accessible to e Mu2e goal: 3 x10-17 wrt capture (LNP~104 TeV) B. Casey, FPCP 2011 19/24 e with Project X Option 1: LFV established design for precision measurements / properties Option 2: LFV not established design for maximum sensitivity 3 x 10-19 possible with Project X beam power Conversion rate vrs target Z Vector current dipole Scalar current B. Casey, FPCP 2011 20/23 EDMs MFV + 1 new phase + Bs CPV = EDM Large Bs CPV shrinks available parameter space 10-25 EDMs this decade ?!?! 10-30 Bs CPV Thallium neutron Mercury Buras, Isidori, Paradisi arXiv:1007.5291 B. Casey, FPCP 2011 21/24 EDMs • e EDM: – Can amplify signal using high Z Alkali metals • Outer electron is in s-wave: size of electron becomes size of atom. • Factor ~1000 enhancement for Francium – Project X nuclear physics facility: copious production of desired heavy isotopes • EDM: B w – EDM tilts precession plane of muons in a storage ring S E • Factor 100 improvement possible with New g-2 experiment • Extra factor 10000 possible with dedicated storage ring in Project X muon facility EDM=0 rest frame wB S EDM≠0 E B. Casey, FPCP 2011 22/23 Near term timeline B. Casey, FPCP 2011 23/24 Conclusions • Fermilab is planning a diverse neutrino and targeted rare process program that covers many of the most important low energy observables p • In several cases, Fermilab is the best place to perform these experiments – Beam power + duty factor – In many, it is the only place to perform these measurements to high precision due to unique features of Project X p • The program will play an integral role in interpreting LHC results, will push the envelope in precision detector technology, and will provide unique opportunities to grad students and post docs. B. Casey, FPCP 2011 K+ KL n n ,ne 24/24
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