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Akaa Daniel Ayangeakaa

0000-0003-1679-3175
nucl-exnucl-thastro-ph.SR

On Valency

published · living versions
W_fgdwnvcv·v1 · currentpublished
Beta decay of potassium-54 reveals the role of two-body currents in neutron-rich nuclei
with Zhengyu Xu, Robert Grzywacz, Matthias Heinz, Thomas Papenbrock +82
1 version

Preprints & journals

48 papers in the corpus · 2010–2026
Independent Validation of Octupole Collectivity in radium-224 through lifetime measurements of low-lying negative-parity states2609.07556v1 · D. White, D. O'Donnell, A. Avaa et al.2026 · 0 citationsarXiv
Core Breaking at Low Spin in 68^{68}Zn from Nuclear Resonance Fluorescence2608.23514v1 · S. R. Johnson, R. V. F. Janssens, B. A. Brown et al.2026 · 0 citationsarXiv
Low-Energy Dipole Strength Distribution in ^102Ru: Coexistence of Scissors and Octupole Resonances.42430582 · Saracino, A, Ayangeakaa, A D, Chen, Q B et al.2026 · 0 citationsPhysical review letters. 2026;136(25):252501
Beta-Decay Half-Lives beyond ^54Ca: A Systematic Survey of Decay Properties Approaching the Neutron Dripline.41861329 · Ong, W-J, Xu, Z Y, Grzywacz, R et al.2026 · 5 citationsPhysical review letters. 2026;136(9):092502
Beta-decay Half Lives beyond 54^{54}Ca: A Systematic Survey of Decay Properties approaching the Neutron Dripline2510.19757v1 · W.-J. Ong, Z. Y. Xu, R. Grzywacz et al.2025 · 0 citationsarXiv
Triaxiality and shape dynamics in 70^{70}Ge2510.11641v1 · T. M. Kowalewski, A. D. Ayangeakaa, N. Sensharma et al.2025 · 1 citationPhys. Rev. C 112, 034332 (2025)
Universal Effective Charges in the sd and fp Shells.40929225 · Ogunbeku, T H, Allmond, J M, Gray, T J et al.2025 · 7 citationsPhysical review letters. 2025;135(7):072501
Investigation of 31^{31}P levels near the proton threshold by Nuclear Resonance Fluorescence and the impact on the 30^{30}Si(p,γ\gamma)31^{31}P thermonuclear rate2506.05559v1 · David Gribble, Christian Iliadis, Robert V.F. Janssens et al.2025 · 0 citationsarXiv
Deformation and Collectivity in Doubly Magic ^208Pb.40021147 · Henderson, J, Heery, J, Rocchini, M et al.2025 · 20 citationsPhysical review letters. 2025;134(6):062502
Gamma Decay of the ^154Sm Isovector Giant Dipole Resonance: Smekal-Raman Scattering as a Novel Probe of Nuclear Ground-State Deformation.39913822 · Kleemann, J, Pietralla, N, Friman-Gayer, U et al.2025 · 25 citationsPhysical review letters. 2025;134(2):022503
Proton Shell Gaps in N=28 Nuclei from the First Complete Spectroscopy Study with FRIB Decay Station Initiator.38682970 · Cox, I, Xu, Z Y, Grzywacz, R et al.2024 · 13 citationsPhysical review letters. 2024;132(15):152503
Evolution of chirality from transverse wobbling in 135^{135}Pr2403.10749v2 · N. Sensharma, U. Garg, Q. B. Chen et al.2024 · 0 citationsarXiv
Determination of the spins and parities for the 04+_{4}^{+} and 05+_{5}^{+} states in 100^{100}Zr2402.02640v2 · J. Wu, M.P. Carpenter, F.G. Kondev et al.2024 · 4 citationsarXiv
White Paper on the TUNL Nuclear Astrophysics Program2211.10327v1 · Christian Iliadis, Art E. Champagne, Akaa D. Ayangeakaa et al.2022 · 1 citationarXiv
E2 Rotational Invariants of 01+0^+_1 and 21+2^+_1 states for 106^{106}Cd: the Emergence of Collective Rotation2209.06298v1 · T. J. Gray, J. M. Allmond, R. V. F. Janssens et al.2022 · 8 citationsarXiv
Solving the Puzzles of the Decay of the Heaviest Known Proton-Emitting Nucleus ^185Bi.34860042 · Doherty, D T, Andreyev, A N, Seweryniak, D et al.2021 · 19 citationsPhysical review letters. 2021;127(20):202501
Erratum: Transverse Wobbling in ^135Pr [Phys. Rev. Lett. 114, 082501 (2015)].34623869 · Matta, J T, Garg, U, Zhu, S et al.2021 · 0 citationsPhysical review letters. 2021;127(13):139902
Ground-state and decay properties of neutron-rich 106Nb2102.03996v1 · A. J. Mitchell, R. Orford, G. J. Lane et al.2021 · 3 citationsarXiv
Shape Coexistence at Zero Spin in ^64Ni Driven by the Monopole Tensor Interaction.32955302 · Mărginean, N, Little, D, Tsunoda, Y et al.2020 · 34 citationsPhysical review letters. 2020;125(10):102502
Search for the 1/2+1/2^+ intruder state in 35^{35}P2007.14488v2 · M. Salathe, H. L. Crawford, A. O. Macchiavelli et al.2020 · 3 citationsPhys. Rev. C 102, 064317 (2020)
Longitudinal Wobbling Motion in ^187Au.32083900 · Sensharma, N, Garg, U, Chen, Q B et al.2020 · 62 citationsPhysical review letters. 2020;124(5):052501
Probing the role of proton cross-shell excitations in 70Ni using nucleon knockout reactions1909.06903v1 · B. Elman, A. Gade, R. V. F. Janssens et al.2019 · 5 citationsPhys. Rev. C 100, 034317 (2019)
Evidence for Rigid Triaxial Deformation in ^76Ge from a Model-Independent Analysis.31573317 · Ayangeakaa, A D, Janssens, R V F, Zhu, S et al.2019 · 61 citationsPhysical review letters. 2019;123(10):102501
New γ\gamma-ray Transitions Observed in 19^{19}Ne with Implications for the 15^{15}O(α\alpha,γ\gamma)19^{19}Ne Reaction Rate1904.00603v1 · M. R. Hall, D. W. Bardayan, T. Baugher et al.2019 · 8 citationsPhys. Rev. C 99, 035805, 2019
Key ^19Ne States Identified Affecting γ-Ray Emission from ^18F in Novae.30822026 · Hall, M R, Bardayan, D W, Baugher, T et al.2019 · 12 citationsPhysical review letters. 2019;122(5):052701
Superallowed α Decay to Doubly Magic ^100Sn.30444390 · Auranen, K, Seweryniak, D, Albers, M et al.2018 · 98 citationsPhysical review letters. 2018;121(18):182501
Novel ΔJ=1 Sequence in ^78Ge: Possible Evidence for Triaxiality.29883168 · Forney, A M, Walters, W B, Chiara, C J et al.2018 · 21 citationsPhysical review letters. 2018;120(21):212501
Masses and β-Decay Spectroscopy of Neutron-Rich Odd-Odd ^160,162Eu Nuclei: Evidence for a Subshell Gap with Large Deformation at N=98.29775351 · Hartley, D J, Kondev, F G, Orford, R et al.2018 · 40 citationsPhysical review letters. 2018;120(18):182502
Probing the Single-Particle Character of Rotational States in ^19F Using a Short-Lived Isomeric Beam.29694087 · Santiago-Gonzalez, D, Auranen, K, Avila, M L et al.2018 · 14 citationsPhysical review letters. 2018;120(12):122503
Understanding the Low-Energy Enhancement of the γ\gamma-ray Strength Function of 56^{56}Fe1801.09668v1 · M.D. Jones, A.O. Macchiavelli, M. Wiedeking et al.2018 · 43 citationsPhys. Rev. C 97, 024327 (2018)
Study of the ^26Al^m(d,p)^27Al Reaction and the Influence of the ^26Al 0^+ Isomer on the Destruction of ^26Al in the Galaxy.28949677 · Almaraz-Calderon, S, Rehm, K E, Gerken, N et al.2018 · 24 citationsPhysical review letters. 2017;119(7):072701
Direct Evidence for Octupole Deformation in ^146Ba and the Origin of Large E1 Moment Variations in Reflection-Asymmetric Nuclei.28452498 · Bucher, B, Zhu, S, Wu, C Y et al.2018 · 122 citationsPhysical review letters. 2017;118(15):152504
Single-particle and collective excitations in 62^{62}Ni1609.00294v1 · M. Albers, S. Zhu, A. D. Ayangeakaa et al.2016 · 14 citationsPhys. Rev. C 94, 034301 (2016)
Longitudinal Wobbling in 133^{133}La1608.07840v2 · S. Biswas, R. Palit, S. Frauendorf et al.2016 · 68 citationsarXiv
Study of (α,p)\boldsymbol{(\alpha,p)} and (α,n)\boldsymbol{(\alpha,n)} reactions with a Multi-Sampling Ionization Chamber1608.03290v1 · M. L. Avila, K. E. Rehm, S. Almaraz-Calderon et al.2016 · 30 citationsarXiv
Study of the astrophysically important 23Na(α,p)26Mg\boldsymbol{^{23}\mathrm{Na}(\alpha,p)^{26}\mathrm{Mg}} and 23Na(α,n)26Al\boldsymbol{^{23}\mathrm{Na}(\alpha,n)^{26}\mathrm{Al}} reactions1608.03292v1 · M. L. Avila, K. E. Rehm, S. Almaraz-Calderon et al.2016 · 23 citationsPhys. Rev. C 94, 065804 (2016)
In-beam spectroscopy of medium- and high-spin states in 133^{133}Ce1605.03784v1 · A. D. Ayangeakaa, U. Garg, C. M. Petrache et al.2016 · 11 citationsPhys. Rev. C 93, 054317 (2016)
Direct Evidence of Octupole Deformation in Neutron-Rich ^144Ba.27035298 · Bucher, B, Zhu, S, Wu, C Y et al.2016 · 173 citationsPhysical review letters. 2016;116(11):112503
Shape coexistence and the role of axial asymmetry in 72^{72}Ge1603.04484v1 · A.D. Ayangeakaa, R.V.F. Janssens, C.Y. Wu et al.2016 · 73 citationsPhys. Lett. B 754, 254 (2016)
Independent measurement of the Hoyle state β\beta feeding from 12B using Gammasphere1601.02853v2 · M. Munch, M. Alcorta, H. O. U. Fynbo et al.2016 · 8 citationsPhys. Rev. C 93, 065803 (2016)
γ\gamma-soft 146^{146}Ba and the role of non-axial shapes at N ~ 901512.06453v1 · A. J. Mitchell, C. J. Lister, E. A. McCutchan et al.2015 · 15 citationsarXiv
First Direct Measurement of (12)C((12)C,n)(23)Mg at Stellar Energies.26197115 · Bucher, B, Tang, X D, Fang, X et al.2015 · 34 citationsPhysical review letters. 2015;114(25):251102
The role of the g9/2 orbital in the development of collectivity in the A = 60 region: The case of 61Co1504.05928v1 · A. D. Ayangeakaa, S. Zhu, R. V. F. Janssens et al.2015 · 13 citationsarXiv
Transverse wobbling in ^135pr.25768759 · Matta, J T, Garg, U, Li, W et al.2015 · 108 citationsPhysical review letters. 2015;114(8):082501
Tidal Waves in 102^{102}Pd: A Phenomenological Analysis1409.5490v1 · A.O. Macchiavelli, A.D. Ayangeakaa, S. Frauendorf et al.2014 · 8 citationsarXiv
Evidence for multiple chiral doublet bands in 133Ce.23679714 · Ayangeakaa, A D, Garg, U, Anthony, M D et al.2013 · 122 citationsPhysical review letters. 2013;110(17):172504
Tidal waves in 102Pd: a rotating condensate of multiple d bosons.23521253 · Ayangeakaa, A D, Garg, U, Caprio, M A et al.2013 · 24 citationsPhysical review letters. 2013;110(10):102501
Quadrupole Moments of Collective Structures up to Spin ∼\sim 65ℏ65\hbar in 157^{157}Er and 158^{158}Er: A Challenge for Understanding Triaxiality in Nuclei1011.1836v3 · X. Wang, M. A. Riley, J. Simpson et al.2010 · 33 citationsPhys.Lett.B702:127-130,2011
Career total: 257 works. 48 are in this corpus.

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