Bulletin of the American Physical Society
Fall 2022 Meeting of the APS Division of Nuclear Physics
Volume 67, Number 17
Thursday–Sunday, October 27–30, 2022; Time Zone: Central Daylight Time, USA; New Orleans, Louisiana
Session MI: Nuclear Theory IV
8:30 AM–10:06 AM,
Sunday, October 30, 2022
Hyatt Regency Hotel
Room: Imperial 12
Chair: Dean Lee, Michigan State University
Abstract: MI.00001 : Ab initio elastic scattering from light nuclei based on different chiral two-nucleon forces*
8:30 AM–8:42 AM
Presenter:
Charlotte Elster
(Ohio University)
Authors:
Charlotte Elster
(Ohio University)
Robert B Baker
(Ohio University)
Pieter Maris
(Iowa State University)
Gabriela Popa
(Ohio University Zanesville)
Stephen P Weppner
(Eckerd College)
Matthew B Burrows
(Louisiana State University)
scattering of nucleons from nuclei can be formulated consistently within the spectator expansion of
multiple scattering theory. In its leading order, the NN force enters into the description of the nucleus
as nonlocal one-body density obtained from NCSM structure calculations as well as in the reaction itself
by folding the NN amplitudes with the one-body densities. For consistency, the spin of the struck nucleon
must be taken into account on the same footing as the spin of the projectile nucleon.
In this contribution, we study nucleon-nucleus observables for proton (neutron) elastic scattering and their energy dependence
between 60 and 160 MeV projectile energy based on 3 different chiral NN interactions.
We will look at the effective potentials specifically for cases where the underlying interactions
differ more than the truncation errors of one of the underlying chiral NN interactions would suggest. Our
studies concentrate on elastic NA observables for 12C and 16O.
*Supported in part by US DoE DE-FG02-93ER40756, DE-SC0018223, and resources underDE-AC02-05CH11231.
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