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Towards a New Standard Model IUPAP Working Group 9 JULY 2, 2010 Stuart Freedman University of California at Berkeley and Lawrence Berkeley National Laboratory
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YukawaNambuGlashow-Salam-Weinberg Quantum Field Theory -- Spontaneous Symmetry Breaking
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Standard Model Lagrangian Simple! L =
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Standard Model
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PDG 2000 + SNO + SK ( 3 ) < 1 < 2 < ( 3 ) Constituent Masses
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ATLAS at LHC CMS at LHC Enormous Detectors are Poised to Discover the Higgs Boson D0 at FNAL
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The Key is Broken Symmetries
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M C K CKM Phenomenology Quarks
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Leptons Maki-Nakagawa-Sakata Matrix
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Neutrino Sector or? Normal or Inverted? Majorana or Dirac?
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12 Double Beta Decay 2 0
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13 Strategy for 0νββ Energy distribution in 2νββ and 0νββ = G (Q,Z) |M nucl | 2 <m 2
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Schönert Current Picture of Double Beta Decay
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Muon g-2 Momentum Spin e
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a Measure a know B and understand many small effects
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some 10 th order examples: Some 10th order diagrams
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Muon g-2 Theory: 0.48 ppm Experiment: 0.54 ppm a (expt-thy) = (295±88) x 10 -11 (3.4
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e Conversion e Conversion 19 A. de Gouvea ? ? ? Sindrum II MEGA MEG proposal
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Nuclear Beta Decay and physics beyond the Standard Model Muon Beta Decay
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TWIST Experiment at Triumf TWIST 2010 2.9 σ above 1.0
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0 + to 0 + Nuclear Beta Decay
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G v =G|V ud | 2 Hardy
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Ion Traps Worldwide
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V ud 2 + V us 2 + V ub 2 = 1 Test of Unitarity
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… Neutron Beta Decay
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19851990199520002005 820 840 860 880 900 920 940. neutron lifetime ( ), s year 878.5 0.8 World average 885.7 0.8 Neutron Beta Decay
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UCNA at LANLNeutrons in North America: NIST LANL UCN SNS Triumf (plans)
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Beta decay correlations in laser trapped atoms 2 A 25 MeV Proton beam 88 Cyclotron heated MgO target Atomic Beam Slowing magnet Ion Detector MCP for Shake-Off Detection Trapping Laser Beams 24 Mg(p,a) 21 Na 0.8mm ~300,000 21 Na in a MOT
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Neutral Atom Trapping Triumf-ISAC Berkeley Argonne Limits on tensor and scalar couplings
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Electric Dipole Moment
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Harvard/Sussex/ILL
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|d n |< 3 x 10 -26 e cm
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SNS EDM experiment
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Compiled by Ramsey-Musolf
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Cold atom EDM Radium isotopes Capture and cool in a MOT Load to a polarized dipole force trap Pump to proper magnetic sublevel Launch in a cold beam through B and E interogation chamber Detect spin rotation ANL http://www-mep.phy.anl.gov/atta/research/radiumedm.html
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Ramsey Musolf
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Present and Future Measurements of sin 2 θ W
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LANL Los Alamos LBNL Berkeley BNL Brookhaven ANL Argonne SNOLAB SUSL/DUSEL NSCL Michigan State Texas A&M and Other University Labs JLAB Triumf FermiLab North America
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