Bulletin of the American Physical Society
APS April Meeting 2010
Volume 55, Number 1
Saturday–Tuesday, February 13–16, 2010; Washington, DC
Session B1: Beyond the Standard Model: Searches for New Physics |
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Sponsoring Units: DPF Chair: Jacobo Konigsberg, University of Florida Room: Marriott Ballroom Salon 2 |
Saturday, February 13, 2010 10:45AM - 11:21AM |
B1.00001: Searches for New Physics at the Tevatron Invited Speaker: Experimental evidence for new particles and phenomena will provide important knowledge of any physics beyond the standard model. The Fermilab Tevatron has collected a large data set of high energy proton-antiproton collisions over the past nine years. The CDF and D0 collaborations have analyzed this data for a wide range of new signals. Here, we present several of the most recent and interesting results in searches for new phenomena from the Tevatron. [Preview Abstract] |
Saturday, February 13, 2010 11:21AM - 11:57AM |
B1.00002: Prospects for New Physics at the LHC Invited Speaker: Both cosmological observations and the baffling structure of the Standard Model hint that in particle interactions with energies around a TeV, evidence of a more fundamental theory might emerge. These hints are still indirect in that they cannot select among a myriad of possibilities including supersymmetry, extra dimensions, and many others. More direct evidence of new physics may be obtained at the Large Hadron Collider (LHC), which can collide protons at energies up to 14 TeV to provide better possibilities for TeV-scale and rare interactions than previous accelerators. The ATLAS and CMS experiments analyze LHC collisions with the goal of detecting deviations from the Standard Model, and determining which new theories might explain them. [Preview Abstract] |
Saturday, February 13, 2010 11:57AM - 12:33PM |
B1.00003: Anticipating Discoveries in the LHC Era Invited Speaker: The LHC is taking its first steps, and the Tevatron continues running smoothly. In this talk I will review and reconsider what discoveries might occur at these machines in the next few years. First and foremost, the final piece in the puzzle of electroweak symmetry breaking lies within reach, and finding it is the aim of both machines. But the question of whether this piece is the single Higgs boson of the ``minimal'' standard model, or whether it consists of a whole new world of particles and forces, remains surprisingly open. Much theoretical work on models beyond the minimal standard model is driven by the ``Hierarchy Problem'' (why is it possible for the electroweak energy scale to be so far below the Planck energy scale?) The number of known solutions to this problem is strikingly small. However, because slightly different variants of a solution can lead to dramatically different experimental signatures (as in biology, where genotype does not map smoothly to phenotype), the range of search strategies that are needed to look for new physics is vast. I will discuss standard approaches to experimental searches and what they are designed to find. Then, illustrating the threat that theoretical bias always poses to these experiments, I will give examples of how recently relaxed biases have led theorists to propose entirely new classes of possible signatures. This has led to a wave of interesting new searches and studies by experimentalists, and offers new opportunities for discoveries in the near term. [Preview Abstract] |
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