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121 papers · 1 filter
Constraints on Inflaton Higgs Field Couplings
Jessie Yang, Mark P. Hertzberg
According to the best-fit parameters of the Standard Model, the Higgs field's potential reaches a maximum at a field value GeV and then turns over to negative v…
SHAPER: Can You Hear the Shape of a Jet?
Demba Ba, Akshunna S. Dogra, Rikab Gambhir +2
The identification of interesting substructures within jets is an important tool for searching for new physics and probing the Standard Model at colliders. Many of these substructu…
Pseudoscalar and Scalar Meson Photoproduction Interpreted by Regge Phenomenology
Igor I. Strakovsky, William J. Briscoe, Olga Cortes Becerra +6
We have evaluated pseudoscalar and scalar neutral pion photoproduction in and above the resonance region and within Regge phenomenology. Our fit,…
Reduced Axion Abundance from an Extended Symmetry
Itamar J. Allali, Mark P. Hertzberg, Yi Lyu
In recent work we showed that the relic dark matter abundance of QCD axions can be altered when the Peccei-Quinn (PQ) field is coupled to very light scalar/s, rendering the effecti…
Altered Axion Abundance from a Dynamical Peccei-Quinn Scale
Itamar J. Allali, Mark P. Hertzberg, Yi Lyu
We build a model in which the relic abundance of axions is altered from the standard misalignment mechanism, either increased or decreased, due to the presence of a new light scala…
Event Generators for High-Energy Physics Experiments
J. M. Campbell, M. Diefenthaler, T. J. Hobbs +209
We provide an overview of the status of Monte-Carlo event generators for high-energy particle physics. Guided by the experimental needs and requirements, we highlight areas of acti…