hyperspherical harmonics
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2021 ◽  
Vol 9 ◽  
Author(s):  
Simone Salvatore Li Muli ◽  
Sonia Bacca ◽  
Nir Barnea

With the goal of using chiral interactions at various orders to explore the properties of the few-body nuclear systems, we write the recently developed local chiral interactions as spherical irreducible tensors and implement them in the hyperspherical harmonics expansion method. We devote particular attention to three-body forces at next-to-next-to leading order, which play an important role in reproducing experimental data. We check our implementation by benchmarking the ground-state properties of 3H, 3He, and 4He against the available Monte Carlo calculations. We then confirm their order-by-order truncation error estimates and further investigate uncertainties in the charge radii obtained by using the precise muonic atom data for single-nucleon radii. Having local chiral Hamiltonians at various orders implemented in our hyperspherical harmonics suites of codes opens up the possibility to test such interactions on other light-nuclei properties, such as electromagnetic reactions.





2020 ◽  
Vol 102 (1) ◽  
Author(s):  
R. B. Baker ◽  
K. D. Launey ◽  
S. Bacca ◽  
N. Nevo Dinur ◽  
T. Dytrych


2020 ◽  
Vol 8 ◽  
Author(s):  
Laura E. Marcucci ◽  
Jérémy Dohet-Eraly ◽  
Luca Girlanda ◽  
Alex Gnech ◽  
Alejandro Kievsky ◽  
...  


Author(s):  
Fabrizio Ferrari Ruffino ◽  
Winfried Leidemann ◽  
Giuseppina Orlandini




2018 ◽  
Vol 32 (4) ◽  
pp. 2135-2165 ◽  
Author(s):  
Maurizia Rossi


2018 ◽  
Vol 97 (6) ◽  
Author(s):  
V. S. Vasilevsky ◽  
Yu. A. Lashko ◽  
G. F. Filippov


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