9–14 Jun 2019
Balaton Limnological Research Institute of the Hungarian Academy of Sciences
Europe/Budapest timezone

Testing fundamental interactions with the helium atom

11 Jun 2019, 09:00
30m
Balaton Limnological Research Institute of the Hungarian Academy of Sciences

Balaton Limnological Research Institute of the Hungarian Academy of Sciences

H-8237 Tihany, Klebelsberg Kuno str. 3, Hungary

Speaker

Krzysztof Pachucki (Faculty of Physics, University of Warsaw)

Description

The fundamental interactions theories can be verified at the low energy scale
by comparison of accurate calculations of atomic transition frequencies with experimental values.
Helium atom has several, so called forbidden transitions, which can be accurately measured.
I will present results of very accurate calculations of these transitions with comparison
to the most recent measurements and demonstrate intriguing discrepancies
for all the transitions involving D-states. These discrepancies, most probably,
will require further experimental verifications.

Authors

Krzysztof Pachucki (Faculty of Physics, University of Warsaw) Mariusz Puchalski (Faculty of Chemistry, Adam Mickiewicz University) Vojtěch Patkóš (Faculty of Mathematics and Physics, Charles University,) Vladimir A. Yerokhin (Center for Advanced Studies, Peter the Great St. Petersburg Polytechnic University)

Presentation materials