2022
  • J. Carter, L.M. Donaldson, H. Fujita, Y. Fujita, M. Jingo, C.O. Kureba, M.B. Latif, E. Litvinova, F. Nemulodi, P. von Neumann-Cosel, R. Neveling, P. Papakonstantinou, P. Papka, L. Pellegri, V.Yu. Ponomarev, A. Richter, R. Roth, E. Sideras-Haddad, F.D. Smit, J.A. Swartz, A. Tamii, R. Trippel, I.T. Usman, H. Wibowo
    Damping of the isovector giant dipole resonance in 40,48-Ca
    (7 pages)
  • 2017
  • P. Papakonstantinou, R. Trippel, R. Roth
    From Chiral NN(N) Interactions to Giant and Pygmy Resonances via Extended RPA
    Proceedings of the Zakopane Conference on Nuclear Physics “Extremes of the Nuclear Landscape”, August 28–September 4, 2016, Zakopane, Poland.
    (4 pages)
  • 2016
  • I.T. Usman, Z. Buthelezi, J. Carter, G.R.J. Cooper, R.W. Fearick, S.V. Foertsch, H. Fujita, Y. Fujita, P. von Neumann-Cosel, R. Neveling, P. Papakonstantinou, I. Pysmenetska, A. Richter, R. Roth, E. Sideras-Haddad, F. D. Smit
    Fine structure of the isoscalar giant quadrupole resonance in 28-Si and 27-Al
    (6 pages)
  • 2015
  • P. Papakonstantinou, H. Hergert, R. Roth
    Isoscalar and neutron modes in the E1 spectra of Ni isotopes and the relevance of shell effects and the continuum
    (14 pages)
  • 2014
  • A. Günther, P. Papakonstantinou, R. Roth
    Giant Resonances based on Unitarily Transformed Two-Nucleon plus Phenomenological Three-Nucleon Interactions
    arXiv:1303.6098
    (9 pages)
  • P. Papakonstantinou, H. Hergert, V.Yu. Ponomarev, R. Roth
    Low-Energy Electric Dipole Response of Sn Isotopes
    (12 pages)
  • V. Derya, D. Savran, J. Endres, M.N. Harakeh, H. Hergert, J.H. Kelley, P. Papakonstantinou, N. Pietralla, V.Yu. Ponomarev, R. Roth, G. Rusev, A.P. Tonchev, W. Tornow, H.J. Wörtche, A. Zilges
    Isospin properties of electric dipole excitations in 48-Ca
    (6 pages)
  • 2011
  • H. Hergert, P. Papakonstantinou, R. Roth
    Quasiparticle Random Phase Approximation with interactions from the Similarity Renormalization Group
    arXiv:1104.0264
    (17 pages)
  • I. Usman, Z. Buthelezi, J. Carter, G.R.J. Cooper, R.W. Fearick, S.V. Förtsch, H. Fujita, Y. Fujita, Y. Kalmykov, P. von Neumann-Cosel, R. Neveling, P. Papakonstantinou, A. Richter, R. Roth, A. Shevchenko, E. Sideras-Haddad, F. D. Smit
    Fine structure of the isoscalar giant quadrupole resonance in 40-Ca due to Landau damping?
    arXiv:1103.0928
    (5 pages)
  • P. Papakonstantinou, V. Yu. Ponomarev, R. Roth, J. Wambach
    Isoscalar dipole coherence at low energies and forbidden E1 strength
    arXiv:1011.1162
    (9 pages)
  • 2010
  • P. Papakonstantinou, R. Roth
    Large-scale second random-phase approximation calculations with finite-range interactions
    arXiv:0910.1674
    (13 pages)
  • 2009
  • P. Papakonstantinou, R. Roth
    Second random phase approximation and renormalized realistic interactions
    arXiv:0805.4086
    (5 pages)
  • 2008
  • P. Papakonstantinou, R. Roth, H. Hergert, A. Zapp
    Giant Resonances using the UCOM and Second RPA
    GSI Report 2008-1
    GSI Scientific Report 2007
  • 2007
  • C. Barbieri, N. Paar, R. Roth, P. Papakonstantinou
    Correlation energies in the random phase approximation using realistic interactions
    submitted to Phys. Rev. C (2007)
  • P. Papakonstantinou, R. Roth, N. Paar
    Nuclear collective excitations using correlated realistic interactions: the role of explicit RPA correlations
    (11 pages)
  • P. Papakonstantinou, R. Roth
    Giant Resonances using Correlated Realistic Interactions: The Case for Second RPA
    Proc. of the 26th International Workshop on Nuclear Theory, Rila Mountains, Bulgaria
    arXiv:0709.3167
  • R. Roth, H. Hergert, N. Paar, P. Papakonstantinou
    Nuclear Structure in the UCOM Framework: From Realistic Interactions to Collective Excitations
    Proc. of the 2nd International Conference on Collective Motion in Nuclei Under Extreme Conditions (COMEX2), 2006, Sankt Goar, Germany
    (8 pages)
  • A. Zapp, H. Hergert, P. Papakonstantinou, R. Roth
    Phenomenological Three-Body Interactions in the UCOM Framework
    GSI Report 2007-1
    GSI Scientific Report 2006
  • C. Barbieri, N. Paar, R. Roth, P. Papakonstantinou
    Self-consistent Green's Function and RPA Studies of Nuclei
    GSI Report 2007-1
    GSI Scientific Report 2006
  • 2006
  • N. Paar, P. Papakonstantinou, H. Hergert, R. Roth
    Collective multipole excitations based on correlated realistic nucleon-nucleon interactions
    (14 pages)
  • R. Roth, P. Papakonstantinou, N. Paar, H. Hergert, T. Neff, H. Feldmeier
    Hartree-Fock and many-body perturbation theory with correlated realistic NN-interactions
    (13 pages)
  • N. Paar, P. Papakonstantinou, R. Roth, H. Hergert
    Self-Consistent Description of Collective Excitations in the Unitary Correlation Operator Method
    Proc. of the XII Nuclear Physics Workshop Marie and Pierre Curie "Nuclear Structure and Low Energy Reactions" 2005, Kazimierz Dolny, Poland
    (8 pages)
  • P. Papakonstantinou, R. Roth, H. Hergert and N. Paar
    Nuclear Structure and Response based on Correlated Realistic NN interactions
    Proc. of the International Conference on Frontiers in Nuclear Structure, Astrophysics and Reactions (FINUSTAR) 2005, Kos, Greece
    (3 pages)
  • N. Paar, P. Papakonstantinou, H. Hergert, R. Roth
    Collective excitations in the Unitary Correlation Operator Method and relativistic QRPA studies of exotic nuclei
    Proc. of the LV National Conference on Nuclear Physics "Frontiers in the Physics of Nucleus" 2005, St. Petersburg, Russia
    (8 pages)
  • P.Papakonstantinou, R.Roth, N.Paar
    Nuclear response using correlated realistic interactions: first-order RPA and beyond
    Proc. of the 16th Symposium of the Hellenic Nuclear Physics Society, 2006, Athens, Greece, page 67
  • P. Papakonstantinou, N. Paar, H. Hergert, R. Roth
    RPA and ERPA with Correlated Realistic NN Interactions
    GSI Report 2006-1
    GSI Scientific Report 2005
  • 2005
  • R. Roth, H. Hergert, P. Papakonstantinou, T. Neff, H. Feldmeier
    Matrix Elements and Few-Body Calculations within the Unitary Correlation Operator Method
    (16 pages)
  • P. Papakonstantinou, R. Roth, H. Hergert, N. Paar
    Towards ab initio structure and response calculations across the nuclear chart
    Proc. of the 15th Symposium of the Hellenic Nuclear Physics Society 2005, Thessaloniki, Greece Eds. G.A. Lalazissis, Ch.C. Moustakidis, page 13.
  • H. Hergert, R. Roth, P. Papakonstantinou, N. Paar
    UCOM-Hartree-Fock with Realistic NN-Interactions
    GSI Report 2005-1
    GSI Scientific Report 2004