Bulletin of the American Physical Society
APS April Meeting 2013
Volume 58, Number 4
Saturday–Tuesday, April 13–16, 2013; Denver, Colorado
Session R2: Invited Session: Charged Lepton Flavor Physics & Precision Electroweak and top Results from the LHC |
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Sponsoring Units: DPF Chair: Bob Bernstein, Fermilab Room: Plaza D |
Monday, April 15, 2013 1:30PM - 2:06PM |
R2.00001: Precison Muon Physics Invited Speaker: David Hertzog The worldwide, vibrant experimental program involving precision measurements with muons will be presented. Recent achievements in this field have greatly improved our knowledge of fundamental parameters: Fermi constant (lifetime), weak-nucleon pseudoscalar coupling ($\mu p$ capture), Michel decay parameters, and the proton charged radius (Lamb shift). The charged-lepton-violating decay $\mu\rightarrow e\gamma$ sets new physics limits. Updated Standard Model theory evaluations of the muon anomalous magnetic moment has increased the significance beyond $3~\sigma$ for the deviation with respect to experiment. Next-generation experiments are mounting, with ambitious sensitivity goals for the muon-to-electron search approaching $10^{-17}$ sensitivity and for a 0.14 ppm determination of $g-2$. The broad physics reach of these efforts involves atomic, nuclear and particle physics communities. I will select from recent work and outline the most important efforts that are in preparation. [Preview Abstract] |
Monday, April 15, 2013 2:06PM - 2:42PM |
R2.00002: Theoretical Status of Charged Lepton Flavor Physics Invited Speaker: Kaladi Babu The emphasis of this talk will be physics potential for new discoveries in the charged lepton flavor sector. Popular theoretical models where new signals arise naturally will be surveyed, and expectations for rare decays such as $\mu \to e \gamma, \mu \to 3e$ and $\tau \to \mu \gamma$, as well as for $\mu-e$ conversion in nuclei and muonium-antimuonium oscillation will be outlined. A connection between the observed neutrino flavor oscillations and charged lepton flavor violation will be drawn. Expectations for flavor conserving processes such as muon g-2 and lepton electric dipole moments will be presented. Models based on supersymmetry, left-right symmetry and unified symmetry, as well as models generating small neutrino masses naturally will be analyzed. [Preview Abstract] |
Monday, April 15, 2013 2:42PM - 3:18PM |
R2.00003: Review of top, W\&Z and other precision measurements from ATLAS and CMS Invited Speaker: Pierluigi Catastini The first run of proton-proton collisions at the LHC was completed in December 2012. During this three-year campaign, the ATLAS and CMS experiments collected large datasets at center of mass energies of 7 and 8 TeV. This unprecedented amount of data has been analyzed by ATLAS and CMS to search for new phenomena, culminating with the discovery of the new Higgs-like particle in the Summer 2012, and also to measure parameters of the Standard Model with remarkable accuracy. Many of these measurements are already limited by the systematic uncertainties. Others exploit the huge datasets to study properties of Standard Model processes which are tested for the first time. In this presentation I will review part of this successful physics program at ATLAS and CMS with a particular focus on precision measurements of top quark, W and Z boson properties. [Preview Abstract] |
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