Conveners
Parallel Session 5 - Few-Body Physics WG
- Dean Lee (North Carolina State University)
- Akaki Rusetsky (HISKP, University of Bonn)
- Assumpta Parreno Garcia (University of Barcelona)
Ulf-G. Meissner
(HISKP, University of Bonn)
02/07/2015, 14:30
Few-Body Physics Working Group
Talk
In this talk, I discuss the emergence of clustering in ab initio nuclear lattice simulations. The spectrum and the structure of the 12C and 16O nuclei are displayed. I also consider some issues related to the breaking of rotational symmetry in alpha cluster-models and show how these lattice artifacts can be tamed.
Jose Manuel Alarcon
(University of Bonn)
02/07/2015, 14:55
Few-Body Physics Working Group
Talk
In this talk I want to present the recent progresses in neutron-proton scattering on the lattice with Lattice EFT. Among them, the study of the different lattice actions in describing the scattering observables and binding energy of the deuteron. The convergence of the chiral series for these observables will be analyzed as well, and will be shown to be in good agreement with the expected...
Alexander Rokash
(Ruhr University, Bochum)
02/07/2015, 15:10
Few-Body Physics Working Group
Talk
The adiabatic projection method is a general framework for obtaining low-energy effective Hamiltonian for clusters. Previous studies [1,2] have used the adiabatic projection method in combination with the finite-volume energy Luscher method to extract scattering phase shifts. We discuss several methods to calculate elastic phase shifts directly from asymptotic cluster wave functions obtained...
Serdar Elhatisari
(University of Bonn)
02/07/2015, 15:25
Few-Body Physics Working Group
Talk
We present ab initio lattice calculations of alpha-alpha clusters scattering at next-to-next-to-leading order in chiral effective field theory using the adiabatic projection method. The adiabatic projection method is a general framework for scattering and reactions on the lattice which uses a set of initial cluster states and Euclidean time projection to give a systematically improvable...
Manuel Pavon Valderrama
(IPN Orsay)
02/07/2015, 15:40
Few-Body Physics Working Group
Talk
Effective field theories are generic descriptions of low-energy phenomena for which a fundamental theory is unknown or impractical to solve. The formulation of EFTs is grounded on symmetries and power counting. While symmetries provide the connection with the underlying theory, power counting -- how to order the effective interactions from more to less relevant -- makes EFTs predictive and...
