Välkommen till Linnaeus Physics Colloquium, en seminarieserie med framstående forskare i fysik.
Föreläsare: Dr Martin Tluczykont, Universität Hamburg, Tyskland
Titel: Detecting the highest energy photons from the Universe with HiSCORE-TAIGA
Plats: Växjö: live i sal Karlavagnen, hus M (inkl kaffe och bullar).
Kalmar: via länk i sal Ma348, hus Magna, Universitetskajen.
Distans via Zoom: https://lnu-se.zoom.us/j/354984247.
HiSCORE is a concept for the detection of gamma-ray photons in the energy range of several TeV (Tera-electronvolt) to PeV (Peta-electronvolt). HiSCORE is a part of the Tunka Advanced Instrument for cosmic ray and Gamma ray Astrophysics, TAIGA. The energy range accessed by this experiment is key to spectroscopically resolving the cutoff regime of the – yet to be identified – most energetic Galactic accelerators: the cosmic ray Pevatrons.
Sensitive gamma-ray observations in this energy range are essential for this task, and require a very large instrumented area (several square kilometers). TAIGA covers this energy range using a combination of different complementary detection techniques: Widely spaced large-angle imaging air Cherenkov telescopes (IACTs), a Cherenkov light shower front sampling timing array (HiSCORE), and muon particle detectors. This hybrid approach allows to maximize the effective area and to reach at the same time a good background reduction.
In this talk, the physics goals of TAIGA, and its detector components will be presented, with a focus on data and performance studies of HiSCORE.