22 citations · 108 across the 27 of their papers we have counts for
16 papers · 1 filter
Nuclear Charge Radii of Sr Isotopes: Reevaluation based on Transition Frequency Measurements in the manifold in Sr
J. Palmes, K. König, B. K. Sahoo +10
High-precision quasi-simultaneous collinear and anticollinear laser spectroscopy was performed on the (D1), $5s\,^2S_{1/2}\rightarrow 5p\,^…
Binding Energy of Muonic Beryllium: Perturbative versus All--Order Calculations
Shikha Rathi, Ulrich D. Jentschura, Paul Indelicato +1
We compute the ground-state binding energy of muonic Be in two ways: first, the fully perturbative treatment of the nuclear-size effect often employed in light systems, and sec…
Theory Framework for Medium-Mass Muonic Atoms
S. Rathi, I. A. Valuev, Z. Sun +4
We present a state-of-the-art theoretical approach for computing bound-state energies in muonic atoms, incorporating improved quantum electrodynamics effects and nuclear polarizati…
Atomic parity violation in highly charged Ca and Pb ions
A. V. Viatkina, Ch. G. Mertens, B. Ohayon +2
We calculate parity-violation-induced E1 amplitudes for the and transitions in H- and Li-like ions of Ca, Ca, and $^{2…
Reference Quadrupole Moments of Transition Elements from Lamb Shifts in Muonic Atoms
S. Rathi, K. von Schoeler, P. Indelicato +1
We present a novel method for accurately measuring the absolute electric quadrupole moments of light transition elements . Our approach is based on performing…
Model-independent determination of nuclear charge radii from Li-like ions
V. A. Yerokhin, B. Ohayon
We demonstrate that recent advances in QED theory of Li-like ions [V. A. Yerokhin et al., Phys. Rev. A 112, 042801 (2025)] enable determinations of absolute nuclear charge radii fo…
Microwave Spectroscopy of the Muonium Fine Structure Interval
Philipp Blumer, Gianluca Janka, Svenja Geissmann +8
We report a microwave spectroscopy measurement of the muonium fine structure transition, yielding a transition frequency of , in ag…
Towards Precision Spectroscopy of Antiprotonic Atoms for Probing Strong-field QED
Gonçalo Baptista, Shikha Rathi, Michael Roosa +26
PAX (antiProtonic Atom X-ray spectroscopy) is a new experiment with the aim to test strong-field quantum electrodynamics (QED) effects by performing high-precision x-ray spectrosco…
Testing for isospin symmetry breaking with extensive calculations of isotope shift factors in potassium
Vaibhav Katyal, A. Chakraborty, B. K. Sahoo +4
Precise evaluation of the isotope shift (IS) factors for seven low-lying potassium (K) states is achieved using relativistic coupled-cluster (RCC) theory. The energies of these sta…
Production and study of antideuterium with the GBAR beamline
Philipp Blumer, Ben Ohayon, Paolo Crivelli
The potential of circulating antideuterons () in the AD/ELENA facility at CERN is under active investigation. Approximately 100 per b…
Recent advancements in atomic many-body methods for high-precision studies of isotope shifts
B. K. Sahoo, S. Blundell, A. V. Oleynichenko +3
The development of atomic many-body methods, capable of incorporating electron correlation effects accurately, is required for isotope shift (IS) studies. In combination with preci…
Reconciling mean-squared radius differences in the silver chain through improved measurement and {\it ab initio} calculations
B. Ohayon, J. E. Padilla-Castillo, S. C. Wright +2
Nuclear charge radius differences in the silver isotopic chain have been reported through different combinations of experiment and theory, exhibiting a tension of two combined stan…
Towards Precision Muonic X-Ray Measurements of Charge Radii of Light Nuclei
Ben Ohayon, Andreas Abeln, Silvia Bara +20
We propose an experiment to measure the nuclear charge radii of light elements with up to 20~times higher accuracy. These are essential both for understanding nuclear physics at lo…
Pulsed CW laser for long-term spectroscopic measurements at high power in deep-UV
Nikita Zhadnov, Artem Golovizin, Irene Cortinovis +4
We present a novel technique for in-vacuum cavity-enhanced UV spectroscopy that allows nearly continuous measurements over several days, minimizing mirror degradation caused by hig…
Update of Muonium 1S-2S transition frequency
Irene Cortinovis, Ben Ohayon, Lucas de Sousa Borges +4
We present an updated value of the Muonium 1S-2S transition frequency, highlighting contributions from different QED corrections as well as the large uncertainty in the Dirac contr…
Muonium Lamb shift: theory update and experimental prospects
Gianluca Janka, Ben Ohayon, Paolo Crivelli
We review the theory of the Lamb shift for muonium, provide an updated numerical value and present the prospects of the Mu-MASS collaboration at PSI to improve upon their recent me…