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Bonn 2020 – scientific programme

The DPG Spring Meeting in Bonn had to be cancelled! Read more ...

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T: Fachverband Teilchenphysik

T 4: Dark matter: theory

T 4.6: Talk

Monday, March 30, 2020, 17:45–18:00, H-HS II

Finding Hints of New Physics in Tritium Molecular SpectraWolfgang G. Hollik1,2, •Matthias Linster1, Ulrich Nierste1, Sonia Rani3, Aman Sardwal3, and Mustafa Tabet11Institut für Theoretische Teilchenphysik (TTP), Karlsruher Institut für Technologie (KIT) — 2Institut für Kernphysik (IKP), Karlsruher Institut für Technologie (KIT) — 3Indian Institute of Technology Bombay (IITB)

Strong limits on the coupling of new light particles can be obtained indirectly from astrophysical observations. Complementary and more direct searches for keV scale particles are given through molecular spectroscopy, which is---in contrast to astrophysics---in a controlled laboratory environment. In this talk, we present details on the calculation of the effects of different types of new particles on the rovibrational modes of hydrogen-like molecules, especially in the light of a current discrepancy between the best theory prediction and the most precise measurement of Tritium molecular spectra.

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