Mainz 2022 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 71: Structure and Dynamics of Nuclei XIII
HK 71.2: Vortrag
Donnerstag, 31. März 2022, 16:30–16:45, HK-H7
nuclear structure corrections in muonic atoms from chiral effective field theory — •simone salvatore li muli1,2 and sonia bacca1,2 — 1Institut für Kernphysik, Johannes Gutenberg Universität, Mainz, Germany — 2Helmholtz-Institut Mainz, Johannes Gutenberg Universität Mainz, Germany
Precision spectroscopic measurement in muonic atoms require precision theoretical calculations to be able to extract nuclear charge and magnetic radii. While quantum electrodynamics calculations are very precise, nuclear structure corrections are presently the largest source of uncertainty and consequently the bottle-neck for fully exploiting the experimental precision. Utilizing techniques and methods developed in few-body nuclear physics, we have been able to provide the so far most precise determination of nuclear structure corrections to the Lamb shift. I will present our recent calculations for light muonic atoms, where we use chiral effective field theory potentials and perform a study of the uncertainties induced by the order-by-order chiral expansion.