activity
20212026
most citedDy electron-capture: a strong new candidate for neutrino mass determination

28 citations · 234 across the 32 of their papers we have counts for

collaborators

32 papers

nucl-ex2026

Island of Inversion in neutron-rich cobalt isotopes revealed from mass measurements

M. Flayol, P. Ascher, D. D. Dao +19

Mass measurements of the ground and isomeric states of Co have been performed using the JYFLTRAP Penning-trap mass spectrometer at the IGISOL facility. The masses were me…

physics.atom-ph2026

Energies and lifetimes of the 9p and 10p excited states in atomic francium

P. Lassègues, A. Ajayakumar, M. Athanasakis-Kaklamanakis +29

We present the first measurement of 9p 2P1/2,3/2 and 10p 2P1/2,3/2 excited levels absolute wavenumbers and radiative lifetime in francium. We used the Collinear Resonance Ionizatio…

nucl-ex2026

Study of Decay Shape Factors in First-Forbidden Transitions with for Reactor Antineutrino Spectra Predictions

G. A. Alcalá, A. Algora, M. Estienne +36

The electron spectra of the decays of Rb and Cs, key contributors to the reactor antineutrino spectrum, were measured at the IGISOL facility using radioactive be…

nucl-ex2025★ 2 cited

Study of beta spectrum shapes relevant to the prediction of reactor antineutrino spectra

G. A. Alcalá, A. Algora, M. Estienne +35

The shapes of the beta spectra of 92Rb and 142Cs, two of the beta decays most relevant for the prediction of the antineutrino spectrum in reactors, have been measured. A new setup…

nucl-ex2025

Probing the quantum phase transition around via mass measurements of technetium isotopes

J. Ruotsalainen, A. Jaries, M. Stryjczyk +28

The masses of neutron-rich Tc isotopes were measured using the JYFLTRAP double Penning trap and found to deviate from the Atomic Mass Evaluation 2020 by , $40(…

physics.ins-det2025

Performance of the MORA Apparatus for Testing Time-Reversal Invariance in Nuclear Beta Decay

N. Goyal, A. Singh, S. Daumas-Tschopp +40

The MORA experimental setup is designed to measure the triple-correlation D parameter in nuclear beta decay. The D coefficient is sensitive to possible violations of time-reversal…

nucl-ex2025

Isomeric yield ratios and mass spectrometry of Y and Nb isotopes in the neutron-rich N=60 region: the unusual case of Y

Simone Cannarozzo, Stephan Pomp, Anu Kankainen +14

The isomeric yield ratio (IYR) of fission products is an observable that carries relevant information about the fragments emerging from the scission of a fissioning nucleus. We rep…

nucl-ex2024★ 4 cited

Disentangling the influence of excitation energy and compound nucleus angular momentum on fission fragment angular momentum

Simone Cannarozzo, Stephan Pomp, Andreas Solders +14

The origin of the large angular momenta observed for fission fragments is still a question under discussion. To address this, we study isomeric yield ratios (IYR), i.e. the relativ…

nucl-ex2024★ 4 cited

Discovery of a new long-lived isomer in Rh via Penning-trap mass spectrometry

M. Stryjczyk, A. Jaries, W. Ryssens +8

We report on mass measurements of three long-lived states in Rh performed with the JYFLTRAP Penning-trap mass spectrometer: the ground state and two isomers with estimated…

nucl-ex2024★ 1 cited

High-precision mass measurements of the ground and isomeric states in Ag

J. Ruotsalainen, D. A. Nesterenko, M. Stryjczyk +26

The masses of the ground and isomeric states in Ag have been measured using the phase-imaging ion-cyclotron-resonance technique at the JYFLTRAP double Penning trap mass…

nucl-ex2024★ 6 cited

Prominent bump in the two-neutron separation energies of neutron-rich lanthanum isotopes revealed by high-precision mass spectrometry

A. Jaries, M. Stryjczyk, A. Kankainen +13

We report on high-precision atomic mass measurements of La and Ce performed with the JYFLTRAP double Penning trap using the Phase-Imaging Ion-Cyclotron-R…

nucl-ex2024★ 6 cited

Probing the N=104 midshell region for the r process via precision mass spectrometry of neutron-rich rare-earth isotopes with the JYFLTRAP double Penning trap

A. Jaries, S. Nikas, A. Kankainen +13

We have performed high-precision mass measurements of neutron-rich rare-earth Tb, Dy and Ho isotopes using the Phase-Imaging Ion-Cyclotron-Resonance technique at the JYFLTRAP doubl…

physics.atom-ph2024

Radiative lifetime of the A 2Π1/2 state in RaF with relevance to laser cooling

M. Athanasakis-Kaklamanakis, S. G. Wilkins, P. Lassègues +38

The radiative lifetime of the (v=0) state in radium monofluoride (RaF) is measured to be 35(1) ns. The lifetime of this state and the related decay rate $Γ= 2.86(8…

nucl-ex2024★ 5 cited

Isomeric states of fission fragments explored via Penning trap mass spectrometry at IGISOL

A. Jaries, M. Stryjczyk, A. Kankainen +36

The masses of Br, Mo, Pd, Ag, In, Sb and their respective isomeric states have been measured with the JYFLTRAP Penning tr…

nucl-ex2024★ 14 cited

Precision mass measurements in the zirconium region pin down the mass surface across the neutron midshell at

M. Hukkanen, W. Ryssens, P. Ascher +19

Precision mass measurements of Y, Zr, Nb, and Mo have been performed with the JYFLTRAP double Penning trap mass spectrometer at the Ion…

nucl-ex2024★ 7 cited

First investigation on the isomeric ratio in multinucleon transfer reactions: Entrance channel effects on the spin distribution

D. Kumar, T. Dickel, A. Zadvornaya +39

The multinucleon transfer (MNT) reaction approach was successfully employed for the first time to measure the isomeric ratios (IRs) of Po (25/2) isomer and its (9/2…

nucl-ex2024

Direct high-precision measurement of the mass difference of As-Se related to neutrino mass determination

Z. Ge, T. Eronen, M. Ramalho +20

The first direct determination of the ground-state-to-ground-state -decay -value of As to Se was performed by measuring their atomic mass difference utili…

nucl-ex2024★ 3 cited

Mass measurements in the Sn region with the JYFLTRAP double Penning trap mass spectrometer

O. Beliuskina, D. A. Nesterenko, A. Jaries +24

We report on new precision mass measurements of neutron-rich Sb and I isotopes from the JYFLTRAP double Penning trap mass spectrometer. We confirm the value fro…

nucl-ex2024★ 21 cited

High-precision mass measurements of neutron deficient silver isotopes probe the robustness of the = 50 shell closure

Zhuang Ge, Mikael Reponen, Tommi Eronen +36

High-precision mass measurements of exotic Ag isotopes close to the line have been conducted with the JYFLTRAP double Penning trap mass spectrometer, with the sil…

nucl-ex2023★ 15 cited

Nuclear charge radius of Al and its implication for V in the quark-mixing matrix

P. Plattner, E. Wood, L. Al Ayoubi +50

Collinear laser spectroscopy was performed on the isomer of the aluminium isotope Al. The measured isotope shift to Al in the $3s^{2}3p\;^{2}\!P^\circ_{3/2} \rightar…

nucl-ex2023★ 2 cited

Reinvestigation of Sr and Y atomic masses using the JYFLTRAP Penning trap

A. Jaries, M. Stryjczyk, A. Kankainen +5

We report on the precise mass measurements of the Sr and Y isotopes performed using the JYFLTRAP double Penning trap mass spectrometer. The mass-excess values from th…

nucl-ex2023★ 10 cited

High-precision Penning-trap mass measurements of Cd and In isotopes at JYFLTRAP remove the fluctuations in the two-neutron separation energies

A. Jaries, M. Stryjczyk, A. Kankainen +23

We report on the first direct mass measurements of the Cd and In isotopes performed at the Ion Guide Isotope Separator On-Line facility using the JYFLTRAP d…

physics.atom-ph2023★ 18 cited

Pinning down electron correlations in RaF via spectroscopy of excited states and high-accuracy relativistic quantum chemistry

M. Athanasakis-Kaklamanakis, S. G. Wilkins, L. V. Skripnikov +53

We report the spectroscopy of the 14 lowest excited electronic states in the radioactive molecule radium monofluoride (RaF). The observed excitation energies are compared with full…

nucl-ex2023

Precision mass measurement of Hf for nuclear structure of Lu and the process

A. Jaries, M. Stryjczyk, A. Kankainen +8

We report on the precise mass measurement of the Hf isotope performed at the Ion Guide Isotope Separator On-Line facility using the JYFLTRAP double Penning trap mass spectr…