Bulletin of the American Physical Society
APS April Meeting 2017
Volume 62, Number 1
Saturday–Tuesday, January 28–31, 2017; Washington, DC
Session H10: Lattice QCD and the Physics Beyond the Standard ModelInvited
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Sponsoring Units: DCOMP DPF Chair: Steve Gottlieb, Indiana University Room: Roosevelt 2 |
Sunday, January 29, 2017 8:30AM - 9:06AM |
H10.00001: Lattice QCD and physics beyond the Standar Model: an experimentalist perspective Invited Speaker: Marina Artuso The new frontier in elementary particle physics is to find evidence for new physics that may lead to a deeper understanding of observations such as the baryon-antibaryon asymmetry of the universe, mass hierarchy, dark matter, or dark energy to name a few. Flavor physics provides a wealth of opportunities to find such signatures, and a vast body of data taken at $e^+e^-$ $b$-factories and at hadron machines has provided valuable information, and a few tantalizing ``tensions" with respect to the Standard Model predictions. While the window for new physics is still open, the chance that its manifestations will be subtle is very real. A vibrant experimental program is ongoing, and significant upgrades, such as the upgraded LHCb experiment at LHC and Belle 2 at KEKb, are imminent. One of the challenges in extracting new physics from flavor physics data is the need to relate observed hadron decays to fundamental particles and interactions. The continuous improvement of Lattice QCD predictions is a key element to achieve success in this quest. Improvements in algorithms and hardware have led to predictions of increasing precision on several fundamental matrix elements, and the continuous breaking of new grounds, thus allowing a broader spectrum of measurements to become relevant to this quest. An important aspect of the experiment-lattice synergy is a comparison between lattice predictions with experiment for a variety of hadronic quantities. This talk summarizes current synergies between lattice QCD theory and flavor physics experiments, and gives some highlights of expectations from future upgrades. [Preview Abstract] |
Sunday, January 29, 2017 9:06AM - 9:42AM |
H10.00002: First-principles calculation of hadronic contributions to the muon anomalous magnetic moment Invited Speaker: Christoph Lehner I will review recent progress on a first-principles calculation of hadronic contributions to the muon anomalous magnetic moment. I will include progress on both the hadronic vacuum polarization and the light-by-light contributions and outline a path to match the precision of next-generation experiments. [Preview Abstract] |
Sunday, January 29, 2017 9:42AM - 10:18AM |
H10.00003: Lattice QCD calculations of weak matrix elements Invited Speaker: Carleton DeTar Lattice QCD has become the method of choice for calculating the hadronic environment of the electroweak interactions of quarks. So it is now an essential tool in the search for new physics beyond the Standard Model. Advances in computing power and algorithms have resulted in increasingly precise predictions and increasingly stringent tests of the Standard Model. I review results of recent calculations of weak matrix elements and discuss their implications for new physics. [Preview Abstract] |
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