Erlangen 2022 – scientific programme

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MO: Fachverband Molekülphysik

MO 17: Precision

MO 17.2: Talk

Thursday, March 17, 2022, 10:45–11:00, MO-H6

eEDM sensitive searches with BaF molecules — •Thomas B. Meijknecht^1,2, Parul Aggarwal^1,2, Hendrick L. Bethlem^1,3, Alexander Boeschoten^1,2, Anastasia Borschevsky^1,2, Malika Denis^1,2, Pi Haase^1,2, Steven Hoekstra^1,2, Joost van Hofslot^1,2, Klaus Jungmann^1,2, Virginia Marshall^1,2, Maarten C. Mooij^2,3, Rob G.E. Timmermans^1,2, Anno Touwen^1,2, Wim Ubachs³, Lorenz Willmann^1,2, and Yanning Yin^1,2 — ¹Netherlands, Groningen, RUG — ²Netherlands, Amsterdam, Nikhef — ³Netherlands, Amsterdam, VU

eEDM sensitive searches form a probe into the Standard Model of particle physics and its extensions. A BaF supersonic beam with a velocity of around 600 m/s, moving in a controlled 10 kV/cm electric field and nT magnetic field, forms an experimental setup for eEDM sensitive searches. The emphasis lies on characterizing and controlling the electric and magnetic fields. Not only of interest are these fields themselves, but in particular (the use of) the sensitivity of the BaF quantum system in such fields. This provides multiple handles on statistical and systematic effects, critical in EDM searches. With this we aim to complete a first measurement step with the supersonic BaF beam in the coming year at a sensitivity level 10⁻²⁸ecm.