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John Stupak

Assistant Professor

John Stupak
B.S. 2007 Fairfield University
Ph.D. 2012 Stony Brook University
Ph: (405) 325-7088
Office: 331 Nielsen Hall



My research interests are focused on the search for new physics with the ATLAS detector at the Large Hadron Collider (LHC). The LHC permits the study of nature at a previously-unexplored energy scale. The first glimpse of beyond the SM physics could be just around the corner. In particular, I am interested in finding a resolution to the "hierarchy problem" and understanding the nature of dark matter.

The mass of the Higgs boson has been measured experimentally and found to be many orders of magnitude smaller than the theoretical prediction. This contradiction between experimental observation and theoretical expectation is referred to as the “hierarchy problem.” I am currently conducting a search for exotic decays of the Higgs boson to new, long-lived particles. If observed, these new particles could help to resolve the hierarchy problem.

Approximately 27% of the universe is composed of a mysterious substance known as "dark matter." I also contribute to searches for the production of dark matter in collisions at the LHC.

I am also involved in preparations for an upgrade of the innermost ATLAS sub-detector, the pixel detector. The pixel detector allows reconstruction of collision vertices and the identification of bottom quarks, the most common Higgs boson decay product.



"Constraints on mediator-based dark matter and scalar dark energy models from sqrt(s) = 13 TeV pp collisions collected by the ATLAS detector,'' ATLAS Collaboration, JHEP 05 (2019) 142.

"Search for the Higgs boson produced in association with a vector boson and decaying into two spin-zero particles in the H→aa→4b channel in pp collisions at sqrt(s) = 13 TeV with the ATLAS detector," ATLAS Collaboration, JHEP 10 (2018) 031.

"Search for dark matter and other new phenomena in events with an energetic jet and large missing transverse momentum using the ATLAS detector,'' ATLAS Collaboration, JHEP 01 (2018) 126.

"Combined search for anomalous pseudoscalar HVV couplings in VH(H→bb) production and H→VV decay," CMS Collaboration, Phys. Lett. B759 (2016) 672.

"Search for a charged Higgs boson in pp collisions at sqrt(s) = 8 TeV," CMS Collaboration, JHEP 11 (2015) 018.

"Search for W' to tb decays in the lepton + jets final state in pp collisions at sqrt(s) = 8 TeV," CMS Collaboration, JHEP 05 (2014) 108.

"Search for Second Generation Scalar Leptoquarks in pp Collisions at sqrt(s) = 7 TeV with the ATLAS Detector," ATLAS Collaboration, Eur. Phys. J. C72 (2012) 2151.

"Search for First Generation Scalar Leptoquarks in pp Collisions at sqrt(s) = 7 TeV with the ATLAS Detector," ATLAS Collaboration, Phys. Lett. B709 (2012) 158.