A5067172096- Nuclear physics research studies
- Atomic and Molecular Physics
- Particle physics theoretical and experimental studies
- Advanced Chemical Physics Studies
- Muon and positron interactions and applications
- Nuclear Physics and Applications
- Quantum Chromodynamics and Particle Interactions
- Atomic and Subatomic Physics Research
- Advanced NMR Techniques and Applications
- Astro and Planetary Science
- Scientific Research and Discoveries
- Quantum, superfluid, helium dynamics
- Nuclear reactor physics and engineering
Johannes Gutenberg University Mainz
2020-2025
Chalmers University of Technology
2025
University of Warsaw
2024
Helmholtz Institute Mainz
2021
This article reviews recent literature and presents new calculations of the Lamb shift in light muonic atoms. Point-nucleus QED nuclear structure effects are treated consistently among all electronic atoms to allow for improved determination charge radii fundamental constants.
Measurements of the difference between squared charge radii helion (<a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:mmultiscripts><a:mrow><a:mi>He</a:mi></a:mrow><a:mprescripts/><a:none/><a:mrow><a:mn>3</a:mn></a:mrow></a:mmultiscripts></a:mrow></a:math> nucleus) and <c:math xmlns:c="http://www.w3.org/1998/Math/MathML" display="inline"><c:mi>α</c:mi></c:math> particle (<e:math xmlns:e="http://www.w3.org/1998/Math/MathML"...
We present strategies to quantify theoretical uncertainties in modern ab initio calculations of electromagnetic observables light and medium-mass nuclei. discuss how build up from various sources, such as the approximations introduced by few- or many-body solver truncation chiral effective field theory expansion. review recent progress encompassing a broad range stable unstable
The extraction of nuclear charge radii from spectroscopy experiments in muonic atoms is currently limited by the large uncertainties associated with theoretical evaluation polarizability effects. To facilitate calculations, these corrections are conventionally expressed as an expansion a dimensionless parameter $\eta$, which has been argued previous literature to hold approximate value 0.33 light-nuclear systems. In this work, we check claim doing Bayesian analysis nuclear-polarizability...
In view of the future plans to measure Lamb shift in muonic Lithium atoms we address microscopic theory \mu\, <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>μ</mml:mi><mml:mspace width="0.167em" /></mml:mrow></mml:math> - ^6 display="inline"><mml:msup><mml:mi /><mml:mn>6</mml:mn></mml:msup></mml:math> Li ^{2+} /><mml:mrow><mml:mn>2</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:math> and ^7 /><mml:mn>7</mml:mn></mml:msup></mml:math>...
With the goal of using chiral interactions at various orders to explore properties few-body nuclear systems, we write recently developed local as spherical irreducible tensors and implement them in hyperspherical harmonics expansion method. We devote particular attention three-body forces next-to-next-to leading order, which play an important role reproducing experimental data. check our implementation by benchmarking ground-state 3 H, He, 4 He against available Monte Carlo calculations....
Measurements of the difference between squared charge radii helion ($^3$He nucleus) and $\alpha$-particle ($^4$He have been characterized by longstanding tensions, recently spotlighted in 3.6 $\sigma$ discrepancy extractions from ordinary atoms versus those muonic atoms. Here, we present a novel analysis uncertainties nuclear structure corrections that must be supplied theory to enable extraction spectroscopic experiments. We use modern Bayesian inference techniques quantify stemming...
A comprehensive theory of the Lamb shift in light muonic atoms such as $\mu$H, $\mu$D, $\mu^3$He$^+$, and $\mu^4$He$^+$ is presented, with all quantum electrodynamic corrections included at precision level constrained by uncertainty nuclear structure effects. This analysis can be used global adjustment fundamental constants determination charge radii. Further improvements understanding electromagnetic interactions nuclei will allow for a promising test comparison ``normal" atomic...
We analyse the Coulomb breakup of 19C measured at 67A MeV RIKEN. use Coulomb-Corrected Eikonal (CCE) approximation to model reaction and describe one-neutron halo nucleus within Halo Effective Field Theory (EFT). At leading order we obtain a fair reproduction cross section as function energy angle. The description is insensitive choice optical potential, long it accurately represents size 18C. It also interior wave function. Comparison between theory experiment thus enables us infer...
Abstract We analyse the Coulomb breakup of $$^{19}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mrow /> <mml:mn>19</mml:mn> </mml:msup> </mml:math> C measured at 67 A MeV RIKEN. use Coulomb-Corrected Eikonal (CCE) approximation to model reaction and describe one-neutron halo nucleus within Halo Effective Field Theory (Halo EFT). At leading order we obtain a fair reproduction cross section as function energy angle. The description is insensitive choice optical...
In view of the future plans to measure Lamb shift in muonic Lithium atoms we address microscopic theory $\mu$-$^6$Li$^{2+}$ and $\mu$-$^7$Li$^{2+}$ systems. The goal CREMA collaboration is extract charge radius with high precision compare it electron scattering data or atomic spectroscopy see if interesting puzzles, such as proton deuteron arise. For this experiment be successful, theoretical information on nuclear structure corrections needed. there exist only estimates based experimental...
The extraction of nuclear charge radii from spectroscopy experiments in muonic atoms is currently limited by the large uncertainties associated with theoretical evaluation polarizability effects. To facilitate calculations, these corrections are conventionally expressed as an expansion a dimensionless parameter $η$, which has been argued previous literature to hold approximate value 0.33 light-nuclear systems. In this work, we check claim doing Bayesian analysis nuclear-polarizability Lamb...
We present strategies to quantify theoretical uncertainties in modern ab-initio calculations of electromagnetic observables light and medium-mass nuclei. discuss how build up from various sources, such as the approximations introduced by few- or many-body solver truncation chiral effective field theory expansion. review recent progress encompassing a broad range stable unstable
With the goal of using chiral interactions at various orders to explore properties few-body nuclear systems, we write recently developed local as spherical irreducible tensors and implement them in hyperspherical harmonics expansion method. We devote particular attention three-body forces next-to-next-to leading order, which play an important role reproducing experimental data. check our implementation by benchmarking ground-state $^3$H, $^3$He $^4$He against available Monte Carlo...