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ATLAS

Study of anomalous Quartic Gauge Coupling discovery potential for the same-sign channel at the LHC. ATLAS. D esigned to take advantage of the unprecedented energy available at the LHC (up to 14 TeV )

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ATLAS

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  1. Study of anomalous Quartic Gauge Coupling discovery potential for the same-sign channel at the LHC Mauricio Gonzalez-Aranda

  2. ATLAS • Designed to take advantage of the unprecedented energy available at the LHC (up to 14 TeV) • The Standard Model may break down at energies beyond the current energy frontier of about one teraelectronvolt (TeV) (set at the Tevatron) • Rather than focusing on a particular physical process, ATLAS is designed to measure the broadest possible range of signals. Mauricio Gonzalez-Aranda

  3. Experiment • Vector Boson Scattering was recently witnessed for the first time • W± W±+ j j  l±ν l±ν+ j j (best chance at witnessing VBS) • Current results from two protons colliding at 4 TeV each • Simulations of future runs will probe at 7 TeV per proton Mauricio Gonzalez-Aranda

  4. Primary Goals • SM might be a part of a more complete theory that doesn’t break down at high energies. • Anomalous Quartic Gauge Couplings (aQGC) • Gauge: W bosons • Quartic: Four vector boson vertex • Anomalous: may couple to new-physics terms at high energies • Probe the Lagrangian for new physics terms beyond the SM at High Energies (14 TeV) Mauricio Gonzalez-Aranda

  5. My Project MadGraph: Simulate Signal with its new Physics Parameters and Backgrounds Detector: Simulate the Signal Showering and mixing with Background Root: Analyze data and look for a 5σ significance Mauricio Gonzalez-Aranda

  6. Concerns? • None so far • Sources: • C. Gumpert. 2014. “Measurement of the Electroweak W ±W ±jj Production Cross Section with ATLAS.” ICHEP. • http://arxiv.org/pdf/1309.7452v1.pdf • P. Angeret al. 2014. ``Same Sign W±W± Production and Limits on Anomalous Quartic Gauge Couplings.” ATLAS Note. • http://en.wikipedia.org/wiki/ATLAS_experiment • http://www.atlas.ch/photos/atlas_photos/selected-photos/events/VP1-W-munu-2.png Mauricio Gonzalez-Aranda

  7. Hiking in Lucerne Mauricio Gonzalez-Aranda

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