76 citations · 399 across the 22 of their papers we have counts for
22 papers
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…
Fundamental Symmetries, Neutrons, and Neutrinos (FSNN): Whitepaper for the 2023 NSAC Long Range Plan
B. Acharya, C. Adams, A. A. Aleksandrova +176
This whitepaper presents the research priorities decided on by attendees of the 2022 Town Meeting for Fundamental Symmetries, Neutrons and Neutrinos, which took place December 13-1…
Revisiting proton-proton fusion in chiral effective field theory
Bijaya Acharya, Laura Elisa Marcucci, Lucas Platter
We calculate the -factor for proton-proton fusion using chiral effective field theory interactions and currents. By performing order-by-order calculations with a variety of chir…
Muon capture on the deuteron in chiral effective field theory
Jose Bonilla, Bijaya Acharya, Lucas Platter
We consider the capture of a muon on a deuteron. An uncertainty analysis of the dominant channels is important for a careful analysis of forthcoming experimental data. We quantify…
Uncertainty quantification in electromagnetic observables of nuclei
Bijaya Acharya, Sonia Bacca, Francesca Bonaiti +2
We present strategies to quantify theoretical uncertainties in modern ab-initio calculations of electromagnetic observables in light and medium-mass nuclei. We discuss how uncertai…
Final-state interactions and spin structure in breakup of Li in Halo EFT
Matthias Göbel, Bijaya Acharya, Hans-Werner Hammer +1
We calculate the breakup of the halo nucleus Li in Halo Effective Field Theory (Halo EFT) at leading order. In Halo EFT, Li is treated as a three-body syste…
Theoretical tools for neutrino scattering: interplay between lattice QCD, EFTs, nuclear physics, phenomenology, and neutrino event generators
L. Alvarez Ruso, A. M. Ankowski, S. Bacca +58
Maximizing the discovery potential of increasingly precise neutrino experiments will require an improved theoretical understanding of neutrino-nucleus cross sections over a wide ra…
Bayesian analysis of nuclear polarizability corrections to the Lamb shift of muonic H-atoms and He-ions
Simone Salvatore Li Muli, Bijaya Acharya, Oscar Javier Hernandez +1
The extraction of nuclear charge radii from spectroscopy experiments in muonic atoms is currently limited by the large uncertainties associated with the theoretical evaluation of t…
Gaussian process error modeling for chiral effective-field-theory calculations of at low energies
Bijaya Acharya, Sonia Bacca
We calculate the energy-dependent cross section of the process in chiral effective field theory and apply state-of-the-art tools for quantification of theory…
Ab initio computation of the longitudinal response function in Ca
J. E. Sobczyk, B. Acharya, S. Bacca +1
We present a consistent \emph{ab initio} computation of the longitudinal response function in Ca using the coupled-cluster and Lorentz integral transform methods start…
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…
Neutrino-deuteron scattering: Uncertainty quantification and new constraints
Bijaya Acharya, Sonia Bacca
We study neutral- and charged-current (anti)neutrino-induced dissociation of the deuteron at energies from threshold up to 150 MeV by employing potentials, as well as one- and two-…
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…
The Efimov effect for heteronuclear three-body systems at positive scattering length and finite temperature
Samuel B. Emmons, Daekyoung Kang, Bijaya Acharya +1
We study the recombination process of three atoms scattering into an atom and diatomic molecule in heteronuclear mixtures of ultracold atomic gases with large and positive interspe…
Corrections to nucleon capture cross sections computed in truncated Hilbert spaces
B. Acharya, A. Ekström, D. Odell +2
Nucleon capture cross sections enter various astrophysical processes. The measurement of proton capture on nuclei at astrophysically relevant low energies is a challenge, and theor…
An effective-field-theory analysis of Efimov physics in heteronuclear mixtures of ultracold atomic gases
Bijaya Acharya, Chen Ji, Lucas Platter
We use an effective-field-theory framework to analyze the Efimov effect in heteronuclear three-body systems consisting of two species of atoms with a large interspecies scattering…
Uncertainty quantification for proton-proton fusion in chiral effective field theory
B. Acharya, B. D. Carlsson, A. Ekström +2
We compute the -factor of the proton-proton () fusion reaction using chiral effective field theory (EFT) up to next-to-next-to-leading order (NNLO) and perform a rigorous…
Properties of Lithium-11 and Carbon-22 at leading order in halo effective field theory
Bijaya Acharya, Daniel Phillips
We study the and nuclei at leading order (LO) in halo effective field theory (Halo EFT). Using the value of the rms matter ra…
Implications of a matter-radius measurement for the structure of Carbon-22
B. Acharya, C. Ji, D. R. Phillips
We study Borromean 2n-halo nuclei using effective field theory. We compute the universal scaling function that relates the mean-square matter radius of the 2n halo to dimensionless…
Carbon-19 in Halo EFT: Effective-range parameters from Coulomb-dissociation experiments
B. Acharya, Daniel R. Phillips
We study the Coulomb dissociation of the 19C nucleus in an effective field theory that uses the 18C core and the neutron as effective degrees of freedom and exploits the separation…