Thursday, February 27, 2025, 16:00
WHGA Auditorium
Rebeca Gonzalez Suarez, Uppsala University
Abstract:
Since the discovery of the Higgs boson at the LHC experiments in 2012,
high energy particle physics lacks, for the first time, a clear energy
scale for new physics searches to target. No new particles have shown up
other than the Higgs boson, and after hundreds of precision
measurements, no significant deviations with respect to the predictions
have been observed at the LHC. The Standard Model seems to just work.
However, we know that, in fact, the Standard Model does not work. It does not incorporate established experimental phenomena, such as neutrino masses, dark matter, and dark energy; it requires fine tuning and shows other theoretical inconsistencies. In addition, there are many small unexplained effects in different areas. The upcoming upgrades to the LHC and the prospect of future colliders offer exciting opportunities to explore higher energy regimes and potentially discover new particles or phenomena that can solve this tension. Precision measurements are crucial, since subtle deviations with respect to the predictions could indicate the presence of new physics. The challenges posed by some of the open questions, such as dark matter and dark energy, may require a multidisciplinary approach that combines insights from particle physics, astrophysics, and cosmology.
This talk will discuss new physics searches at the LHC and beyond, in
future colliders. I will discuss the current status, the challenges
faced, and the promising avenues for future research in high-energy
particle physics. It's an exciting time for the field, with the
potential for groundbreaking discoveries that could reshape our
understanding of the fundamental nature of the universe.