**Serdar Elhatisari** *Helmholtz-Institut für Strahlen und Kernphysik (Theorie) and Bethe Center for Theoretical Physics, Universitat Bonn, Germany*

22 December 2015, Tuesday, 15:40

Cavid Erginsoy Seminar Room, Physics Department, 3rd floor

**Abstract:**
I present ab initio nuclear lattice simulations for two-cluster scattering using the adiabatic
projection method and the nuclear forces from chiral effective field theory. 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 description of the low-lying scattering cluster states, and chiral effective field
theory is an effective theory of QCD. I also discuss Auxiliary Field Monte Carlo used in
the calculations for which the computational scaling is mild enough to make large scale
calculations practical. Then I mainly focus on alpha–alpha scattering on the lattice at
next-to-next-to-leading order in chiral effective field theory, and I present the results for
the S-wave and D-wave scattering phase shifts and compare with experimental data.

(Printable View of http://www.physics.metu.edu.tr/Seminars/SEM15126)