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Nature Guiding Theory

chaired by Prateek Agrawal (Fermilab), Joseph Lykken (Fermilab), Raman Sundrum (University of Maryland), Felix Yu (Fermilab)
from to (US/Central)
at Fermilab ( Curia II )
Description The discovery of the Higgs boson by the ATLAS and CMS collaborations completes the Standard Model. All experimental tests of the nature of the Higgs boson indicate it is an elementary scalar field, the first we have seen in Nature. But the origin of the Higgs boson mass and the scale of electroweak symmetry breaking are not yet understood. Without new particles or new symmetries, the Higgs mass is quadratically sensitive to the highest energy scales.
This has inspired many model building ideas aimed at solving the hierarchy problem. Most solutions, including supersymmetry and strong dynamics, predict new physics accessible at the TeV scale. Further, these paradigms dictate a specific structure for much of the collider phenomenology at the LHC — top-partners or extended electroweak symmetry breaking scalar sectors are characteristic predictions. On the other hand, there is currently no experimental evidence for new TeV scale physics.
The goal of the workshop is to robustly understand the connection between the hierarchy problem and predictions for new physics derived from its possible solutions. The set of predictions arising from the mechanisms developed so far have been a main driver for theory and experiment. Therefore, sharpening this implication will shape expectations for new physics at the TeV scale. Is new TeV scale physics guaranteed by naturalness? If not, exploring any possible caveats that dilute this correspondence is critical. New mechanisms will have a significant impact on our understanding of quantum field theory. Furthermore, they could uncover profound interplay between gravity and field theory, and possibly connect with the cosmological constant problem.
We aim to bring together experimentalists and theorists to develop a modern understanding of electroweak scale naturalness. Traditional paradigms will be juxtaposed with new ideas for solving the hierarchy problem. Phenomenological implications of naturalness will also be a significant area of attention. The discovery of a light elementary scalar in Nature is a profound fact with far-reaching implications which will guide the future of particle physics.
Workshop homepage | Registration | List of participants | Contact
Go to day
  • Thursday, August 21, 2014
    • 13:00 - 13:30 Registration and Coffee
    • 13:30 - 15:30 Session I
      Convener: Felix Yu (Fermilab)
      • 13:30 Welcome 10'
        Speaker: Dr. Joseph Lykken (Fermilab)
        Material: Slides pdf file
      • 13:40 SUSY phenomenology and naturalness 45'
        Speaker: Prof. JiJi Fan (Syracuse University)
        Material: Slides pdf file
      • 14:25 Discussion 20'
      • 14:45 Composite Higgs phenomenology and naturalness 45'
        Speaker: Prof. Matthias Neubert (Johannes Gutenberg University Mainz)
        Material: Slides pdf file
    • 15:30 - 16:00 Break
    • 16:00 - 18:00 Session II
      Convener: Dr. Claudia Frugiuele (Fermilab)
      • 16:00 WIMPs and un-naturalness in warped extra dimensions 45'
        Speaker: Dr. Luca Vecchi (University of Maryland)
        Material: Slides pdf file
      • 16:45 Discussion 30'
      • 17:15 Twin Higgs 45'
        Speaker: Dr. Roni Harnik (FNAL)
        Material: Slides pdf file
  • Friday, August 22, 2014
    • 09:00 - 10:30 Session III
      Convener: Dr. Elisabetta Furlan (Fermilab)
      • 09:00 Strategies for looking for NP in Run 2 of the LHC 45'
        Speaker: Prof. Daniel Whiteson (UC Irvine)
        Material: Slides pdf file
      • 09:45 BSM physics in Run 2 of the LHC 45'
        Speaker: Dr. Sanjay Padhi (University of California, San Diego)
        Material: Slides pdf file
    • 10:30 - 11:00 Break
    • 11:00 - 12:30 Session IV
      Convener: Dr. Martin Bauer (University of Chicago / Fermilab)
      • 11:00 Agravity 45'
        Speaker: Prof. Alessandro Strumia (Pisa University & INFN & NICPB)
        Material: Slides pdf file
      • 11:45 Scales without thresholds 45'
        Speaker: Prof. Witold Skiba (Yale University)
        Material: Slides pdf file
    • 12:30 - 13:30 Lunch
    • 13:30 - 15:30 Session V
      Convener: Prof. Adam Martin (Notre Dame University)
      • 13:30 Towards natural tuning 45'
        Speaker: Prof. Sergei Dubovsky (New York University)
        Material: Slides pdf file
      • 14:15 Discussion 30'
      • 14:45 Neutral naturalness 45'
        Speaker: Prof. Nathaniel Craig (UC Santa Barbara)
        Material: Slides pdf file
    • 15:30 - 16:00 Wine and Cheese break
    • 16:00 - 17:00 Joint Experiment-Theory Seminar
      Convener: Roni Harnik (FNAL)
      Location: One West
      • 16:00 Super-Natural vs. Other-Worldly in Fundamental Physics 1h0'
        Speaker: Prof. Raman Sundrum (University of Maryland)
        Material: Slides pdf file
    • 18:30 - 21:00 Workshop dinner ( Mapo Restaurant )
  • Saturday, August 23, 2014
    • 09:00 - 10:30 Session VI
      Convener: Prof. Yang Bai (University of Wisconsin, Madison)
      • 09:00 Criteria for natural hierarchies 45'
        Speaker: Prof. André de Gouvêa (Northwestern University)
        Material: Slides pdf file
      • 09:45 Is the Higgs Boson Associated with a Coleman-Weinberg Mechanism? 45'
        Speaker: Dr. Christopher Hill (FNAL)
        Material: Slides powerpoint file pdf file
    • 10:30 - 11:00 Break
    • 11:00 - 12:30 Session VII
      Convener: Prateek Agrawal (Fermilab)
      • 11:00 Naturalness and the weak gravity conjecture 45'
        Speaker: Prof. Clifford Cheung (Caltech)
        Material: Slides pdf file
      • 11:45 SUSY, landscape, and the Higgs 45'
        Speaker: Prof. Michael Dine (University of California Santa Cruz)
        Material: Slides pdf file