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Ayangeakaa, Akaa Daniel
Assistant Professor


Office: 335 Chapman Hall
Phone: (919) 962 4703
Web page:


B.Sc., Physics (Hons), Benue State University, Makurdi, Nigeria
M.Sc., Radiation and Environmental Protection, University of Surrey, United Kingdom
M.S., Nuclear Physics, University of Notre Dame, Notre Dame, IN
Ph.D., Experimental Nuclear Physics, University of Notre Dame, Notre Dame, IN
Postdoctoral Fellow, Argonne National Laboratory, Lemont, IL
Assistant Professor, United States Naval Academy, Annapolis, MD
Assistant Professor, University of North Carolina – Chapel Hill


Professor Ayangeakaa’s research is focused on understanding how nuclear shapes evolve on both the proton- and neutron-rich sides of the nuclear chart, and quantifying the impact of this evolution on nuclear structure properties. More information can be found on his personal webpage at


Visit for a full list of publications.

1.- N. Sensharma, U. Garg, D. P. Burdette, J. L. Cozzi, S. Frauendorf, K. B. Howard, Q. B. Chen, S. Zhu, M. P. Carpenter, P. Copp, F. G. Kondev, T. Lauritsen, J. Li, D. Seweryniak, J.Wu, A. D. Ayangeakaa, D. J. Hartley, R. V. F. Janssens, A. M. Forney,W. B.Walters, S. S. Ghugre, and R. Palit: Longitudinal Wobbling Motion in 187Au. Physical Review Letters 124, 052501(2020)

2.- A. D. Ayangeakaa, R. V. F. Janssens, S. Zhu, D. Little, J. Henderson, C. Y. Wu, D. J. Hartley, M. Albers, K. Auranen, B. Bucher, M. P. Carpenter, P. Chowdhury, D. Cline, H. L. Crawford, P. Fallon, A. M. Forney, A. Gade, A. B. Hayes, F. G. Kondev, Krishichayan, T. Lauritsen, J. Li, A. O. Macchiavelli, D. Rhodes, D. Seweryniak, S. M. Stolze, W. B. Walters, and J. Wu: Evidence for rigid triaxial deformation in 76Ge from a model-independent analysis. Physical Review Letters 123, 102501 (2019).

3.- A. M. Forney,W. B.Walters, C. J. Chiara, R. V. F. Janssens, A. D. Ayangeakaa, J. Sethi, J. Harker, M. Alcorta, M. P. Carpenter, G. Grdal, C. R. Hoffman, B. P. Kay, F. G. Kondev, T. Lauritsen, C. J. Lister, E. A. McCutchan, A. M. Rogers, D. Seweryniak, I. Stefanescu, and S. Zhu: Novel DI = 1 Sequence in 78Ge: Possible Evidence for Triaxiality. Physical Review Letters 120, 212501 (2018).
A. D. Ayangeakaa, U. Garg, C. M. Petrache, S. Guo, P. W. Zhao, J. T. Matta, B. K. Nayak, D. Patel, R. V. F. Janssens, M. P. Carpenter, C. J. Chiara, F. G. Kondev, T. Lauritsen, D. Seweryniak, S. Zhu, S. S. Ghugre, and R. Palit: In-beam spectroscopy of medium- and high-spin states in 133Ce. Physical Review C 93, 054317 (2016).

4.- A. D. Ayangeakaa, R. V. F. Janssens, C. Y.Wu, J. M. Allmond, J. L.Wood, S. Zhu, M. Albers, M. P. Carpenter, H. David, C. Hoffman, B. Kay, A. Korichi, T. Lauritsen, D. Seweryniak, B. Bucher, A. O. Macchiavelli, A. Wiens, C. J. Chiara, J. Harker, H. Crawford, A. Richard, K. Kolds, A. Korichi: Shape Coexistence and the role axial asymmetry in 72Ge. Physics Letters B 754, 254 (2016).

5.- B. Bucher, S. Zhu, C.Y. Wu, R.V.F. Janssens, D. Cline, A.B. Hayes, M. Albers, A. D. Ayangeakaa, P. Butler, C. Campbell, M.P. Carpenter, C.J. Chiara, J. Clark, H. Crawford, M. Cromaz, H.M. David, C. Dickerson, E.T. Gregor, F.G. Kondev, J. Harker, C.R. Hoffman, B.P. Kay A. Korichi, T. Lauritsen, A.O. Macchiavelli, R. Pardo, A. Richard, M. Riley, G. Savard, M. Scheck, D. Seweryniak, M.K. Smith, R. Vondrasek, and A. Wiens: Direct Evidence of Octupole Deformation in Neutron-Rich 144Ba. Physical Review Letters 116, 112503 (2016).