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16O electroweak response functions from first principles
Bijaya Acharya, Joanna E. Sobczyk, Sonia Bacca +2
We present calculations of various electroweak response functions for the 16O nucleus obtained using coupled-cluster theory in conjunction with the Lorentz integral transform metho…
Dispersive evaluation of the Lamb shift in muonic deuterium from chiral effective field theory
Bijaya Acharya, Vadim Lensky, Sonia Bacca +2
We merge the dispersive relation approach and the ab initio method to compute nuclear structure corrections to the Lamb shift in muonic deuterium. We calculate the deuteron respons…
Coulomb sum rule for He and O from coupled-cluster theory
J. E. Sobczyk, B. Acharya, S. Bacca +1
We demonstrate the capability of coupled-cluster theory to compute the Coulomb sum rule for the He and O nuclei using interactions from chiral effective field theory. We…
Universal behavior of -wave proton-proton fusion near threshold
Bijaya Acharya, Lucas Platter, Gautam Rupak
We calculate the -wave contribution to the proton-proton fusion factor and its energy derivative in pionless effective field theory (EFT) up to next-to-leading order. The le…
Effective-field-theory predictions of the muon-deuteron capture rate
Bijaya Acharya, Andreas Ekström, Lucas Platter
We quantify the theoretical uncertainties of chiral effective-field-theory predictions of the muon-deuteron capture rate. Theoretical error estimates of this low-energy process is…