HEPHY Student Talks

Thursday 30 Jan 2025, 17:00 → 18:30 Europe/Vienna

4A.2 (PSK)

17:00 → 17:15 Top Quark Mass Measurements at CMS

Being the heaviest particle, the top quark plays a special role in the standard model and the exact value of its mass is of large interest for consistency tests.
In this talk, I will introduce how we measure the top quark mass at the LHC and discuss advantages and limitations of the strategies used.
The talk focuses on measurements using high-energy top quarks, where the top quark decay products merge and are reconstructed in a single jet.

Speaker: Dennis Schwarz (Austrian Academy of Sciences (AT))

Mtop_Measurements.pdf

17:15 → 17:30 Discussions

17:30 → 17:45 Searching for galactic heavy dark matter with IceCube

IceCube is a powerful neutrino telescope, one of the leaders in multi-messenger astronomy, capable of studying vast subjects such as neutrino oscillation and cosmic rays due to its size and design. However, the subject that interests us in this work is another, and no less significant: dark matter. Since its first strong evidence in the 1960s, researchers worldwide have been trying to uncover its nature. While Weakly Interacting Massive Particles (WIMPs) have been primary candidates, their elusive detection prompts exploration of alternatives like heavy dark matter. We believe that galaxies are surrounded by a halo of dark matter, and ours is no exception. In this seminar, we present an analysis that aims to detect low-energy neutrinos from electroweak corrections originating from the annihilation or decay of heavy dark matter in the halo surrounding the Milky Way.

Speaker: Danae Danielle Valdenaire (Austrian Academy of Sciences (AT))

17:45 → 18:00 Discussions

18:00 → 18:30 Further Discussions & Social Gathering