Kumar A, Kanungo R, Calci A, Navrátil P, Sanetullaev A, Alcorta M, Bildstein V, Christian G, Davids B, Dohet-Eraly J, Fallis J, Gallant A T, Hackman G, Hadinia B, Hupin G, Ishimoto S, Krücken R, Laffoley A T, Lighthall J, Miller D, Quaglioni S, Randhawa J S, Rand E T, Rojas A, Roth R, Shotter A, Tanaka J, Tanihata I, Unsworth C
Astronomy and Physics Department, Saint Mary's University, Halifax, Nova Scotia B3H 3C3, Canada.
TRIUMF, Vancouver, British Columbia V6T2A3, Canada.
Phys Rev Lett. 2017 Jun 30;118(26):262502. doi: 10.1103/PhysRevLett.118.262502. Epub 2017 Jun 28.
How does nature hold together protons and neutrons to form the wide variety of complex nuclei in the Universe? Describing many-nucleon systems from the fundamental theory of quantum chromodynamics has been the greatest challenge in answering this question. The chiral effective field theory description of the nuclear force now makes this possible but requires certain parameters that are not uniquely determined. Defining the nuclear force needs identification of observables sensitive to the different parametrizations. From a measurement of proton elastic scattering on ^{10}C at TRIUMF and ab initio nuclear reaction calculations, we show that the shape and magnitude of the measured differential cross section is strongly sensitive to the nuclear force prescription.
