Bulletin of the American Physical Society
APS April Meeting 2011
Volume 56, Number 4
Saturday–Tuesday, April 30–May 3 2011; Anaheim, California
Session L1: Sakurai Prize |
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Sponsoring Units: DPF Chair: Pierre Ramond, University of Florida Room: Grand A |
Sunday, May 1, 2011 3:30PM - 3:57PM |
L1.00001: J. J. Sakurai Prize for Theoretical Particle Physics Talk: Collider Physics: Yesterday, Today and Tomorrow Invited Speaker: More than a quarter century ago, theoretical issues with the Standard Model scalar boson sector inspired theorists to develop alternative models of electroweak symmetry breaking. The goal of the EHLQ study of hadron collider physics was to help determine the basic parameters of a supercollider that could distinguish these alternatives. Now we await data from the CMS and ATLAS experiments at CERN's Large Hadron Collider to solve this mystery. Does the Standard Model survive or, as theorists generally expect, does new physics appear (Strong Dynamics, SUSY, Extra Dimensions, ...)? Even well into the LHC era it is likely that questions about the origin of fermion mass and mixings will remain and new physics will bring new puzzles. This time, the associated new scales are unknown. The opportunity to address new physics at a future multi-TeV lepton collider is briefly addressed. [Preview Abstract] |
Sunday, May 1, 2011 3:57PM - 4:24PM |
L1.00002: J. J. Sakurai Prize for Theoretical Particle Physics Talk: Physics with Hadron colliders Invited Speaker: After many years of sustained effort, The LHC has started operation and physics results have started to be released. This marks the beginning of a new era in High Energy Physics during which the fundamental mechanism underlying the source of masses for the elextro-weak gauge bosons will be probed exhaustively. These results will, over the next decade, enable questions such as ``Does the Higgs boson exist?'' ``Are there extra space time dimensions,'' ``Is there supersymmetry?'' ``can dark matter be produced at a particle accelerator?'' to be addressed, and the large variety of theoretical ideas developed over the last 20 years to be ``weighed in the balance.'' My presentation will discuss some of the physics program of the ATLAS experiment, the discoveries that we expect to make in the next few years and their role in the ``weighing'' that will occur. [Preview Abstract] |
Sunday, May 1, 2011 4:24PM - 4:51PM |
L1.00003: J. J. Sakurai Prize for Theoretical Particle Physics Talk: The Long Road to the TeV Scale -- A Personal Reflection Invited Speaker: I recount, in a personal way, the steps along the road that have led to the threshold of uncovering the dynamics of electroweak symmetry breaking. They began with a few theorists' profound dissatisfaction with the ``standard'' Higgs-boson description of this physics and have taken us to the enterprise of thousands -- accelerator physicists, engineers, experimentalists and theorists -- who designed, built and will now exploit the Large Hadron Collider at CERN. [Preview Abstract] |
Sunday, May 1, 2011 4:51PM - 5:18PM |
L1.00004: J. J. Sakurai Prize for Theoretical Particle Physics Talk: The Boundless Horizons of Supercollider Physics Invited Speaker: The Large Hadron Collider at CERN is moving the experimental frontier of particle physics to the domain of electroweak symmetry breaking, reaching energies around one trillion electron volts for collisions among the basic constituents of matter. \textit{We do not know what the new wave of exploration will find,} but the discoveries we make and the new puzzles we encounter are certain to change the face of particle physics and echo through neighboring sciences. In this new world, we confidently expect to learn what sets electromagnetism apart from the weak interactions, with profound implications for deceptively simple questions: Why are there atoms? Why chemistry? What makes stable structures possible? A pivotal step will be finding the Higgs boson-or whatever takes its place -and exploring its properties. But we hope for much more. More predictive extensions of the electroweak theory, including dynamical symmetry breaking and supersymmetry, imply new kinds of matter that would be within reach of LHC experiments. We suspect that candidates for the dark matter of the Universe could also await discovery on the TeV scale. The strong interactions may hold their own surprises. As we unravel the riddle of electroweak symmetry breaking, prospects arise for other new insights: into the different forms of matter, the unity of quarks and leptons, and the nature of spacetime. The questions in play all seem linked to one another-and to the kinship of the weak and electromagnetic interactions. I will speak of the evolving dialogue between theory and experiment, highlighting the work before us. [Preview Abstract] |
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