TY  - JOUR
AU  - Li, Ning
AU  - Elhatisari, Serdar
AU  - Epelbaum, Evgeny
AU  - Lee, Dean
AU  - Lu, Bingnan
AU  - Meißner, Ulf-G.
TI  - Neutron-proton scattering with lattice chiral effective field theory at next-to-next-to-next-to-leading order
JO  - Physical review / C
VL  - 98
IS  - 4
SN  - 2469-9985
CY  - Woodbury, NY
PB  - Inst.
M1  - FZJ-2018-07620
SP  - 044002
PY  - 2018
AB  - We present a new lattice formulation of chiral effective field theory interactions with a simpler decomposition into spin channels. With these interactions the process of fitting to the empirical scattering phase shifts is simplified, and the resulting lattice phase shifts are more accurate than in previous studies. We present results for the neutron-proton system up to next-to-next-to-next-to-leading order for lattice spacings of 1.97, 1.64, 1.32, and 0.99fm. Our results provide a pathway to ab initio lattice calculations of nuclear structure, reactions, and thermodynamics with accurate and systematic control over the chiral nucleon-nucleon force.
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000447466500002
DO  - DOI:10.1103/PhysRevC.98.044002
UR  - https://juser.fz-juelich.de/record/858780
ER  -