Orateur
Description
Around us we see an universe filled with galaxies, stars and planets like ours. But when we look back to the Big Bang and the processes that created the matter in it, at first we observe that there should have been created the same amount of matter and antimatter, thus the universe would be empty or different than it is. Sakharov proposed several mechanisms to explain the matter-antimatter asymmetry, one of them being the violation of the CP symmetry.
In the MORA experiment, we aim to measure the D correlation, which is non zero for violation of T symmetry in polarized nuclei, thus it can be related to CPV. For this we use a detector setup made of MCP’s, Phoswiches and Si detectors, to measure coincidences between beta emissions and recoil ions, product of the beta decay of trapped Mg23 ions.
Here I will present an introduction to D correlation, how we acquired the previous data in Jyvaskyla in November 2022, how we analyzed it and the results we got concerning the calibration of detectors and polarization measurement.
