Physics & Astronomy Colloquium – Spring 2019 – Mohammadi

Speaker: Abdollah Mohammadi (Kansas State)

Title: LHC and the quest of understanding the Universe

Abstract: Almost a decade has passed since the first proton-proton beam collisions took place at the Large Hadron Collider (LHC) at CERN. The discovery of the Standard Model Higgs boson in 2012 represented a thrilling triumph for the particle physics community and an outstanding achievement for the LHC over the last decade. Even though the unraveling of the puzzle of the Higgs boson completed the final chapter of the Standard Model’s book, a number of major questions in particle physics remain unresolved. In spite of extensive attempts to find new physics, both directly and indirectly, no sign for physics beyond the Standard Model has so far appeared. In my presentation, I will review the history of the Higgs boson discovery at the LHC and highlight a few attempts to search for new physics. I will discuss how the Higgs boson can be used for new discoveries and finish by describing some of the challenges that lie ahead in the high luminosity phase of the LHC.

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