PRESPEC & The (Time- Dependent) Mean Field Dr Paul D Stevenson University of Surrey.

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Presentation transcript:

PRESPEC & The (Time- Dependent) Mean Field Dr Paul D Stevenson University of Surrey

PRESPEC Topics 1) Isomer and metastable decays and associated nuclear structure tests, including shell model configurations around magic numbers, seniority and core excitation isomers. 2) Shell model physics around 56Ni, 100Sn, 132Sn and 208Pb. 3) Beta-delayed spectroscopy of heavy, neutron-rich isotopes associated with shape evolution. 4) 'Fast-timing' measurements of nuclear states using arrays of LaBr3 detectors. 5) Measurements of decay heat and beta-delayed neutron emission probability from fission fragments. 6) Limits of the nuclear chart by measured by proton radioactivity 7) Studies of isospin symmetry and mixing, and B(GT) strength measurements. 8) Beta-delayed neutron measurements of relevance to astrophysical scenarios 9) and others....

Theory convergence No need to talk about “shell-model physics” -Effective shell model Hamiltonians from density functional theory: Quadrupolar and pairing correlations Author(s): Rodriguez-Guzman, R; Alhassid, Y; Bertsch, GFSource: PHYSICAL REVIEW C Volume: 77 Issue: 6 Article Number: Published: Configuration Interactions Constrained by Energy Density Functionals, B. Alex Brown, Angelo Signoracci, Morten Hjorth-Jensen, Journal-ref: Phys.Lett.B695: ,2011 -The Negele-Vautherin density matrix expansion applied to the Gogny force, J. Dobaczewski, B.G. Carlsson, M. Kortelainen, J. Phys. G: Nucl. Part. Phys. 37 (2010) "The Long Journey from Ab Initio Calculations to Density Functional Theory for Nuclear Large Amplitude Collective Motion," A. Bulgac, J. Phys. G 37, (2010).

Shape evolution Zs. Podolyak et al., Phys. Lett. B491, 225(2000) P. D. Stevenson, M. P. Brine, Zs. Podolyák, P. H. Regan, P. M. Walker and J. Rikovska Stone, Phys. Rev. C 72, (2005)

But for every observable… There are lots of predictions These for EoS of Pure Neutron Matter M. Dutro et al, in preparation

shape evolution J. A. Maruhn, P.-G. Reinhard, P. D. Stevenson, J. Rikovska Stone and M. R. Strayer, Phys. Rev. C 71, (2005)

Skyrme Energy Functional

spectroscopy of heavy, neutron-rich isotopes "The Effect of the Skyrme Tensor force on Superheavy Shell Closures", E. B. Suckling and P. D. Stevenson, EPL 90, (2010)

Tensor terms in collisions E. B. Suckling, PhD thesis, 2011

Acknowledgements Thanks to my collaborators: J. A. Maruhn, U. Frankfurt S. Fracasso, U. Surrey E. Suckling, U. Surrey A. S. Umar, U. Vanderbilt R. Rodriguez-Guzman, Madrid J. R. Stone, ORNL