NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = B.Acharya Found 14 matches. 2024SO05 Phys.Rev. C 109, 025502 (2024) J.E.Sobczyk, B.Acharya, S.Bacca, G.Hagen 40Ca transverse response function from coupled-cluster theory
doi: 10.1103/PhysRevC.109.025502
2023AC12 J.Phys.(London) G50, 095102 (2023) B.Acharya, L.E.Marcucci, L.Platter Revisiting proton-proton fusion in chiral effective field theory NUCLEAR REACTIONS 1H(p, X), E not given; calculated proton-proton fusion S-factor and uncertainties by performing order-by-order computations with a variety of chiral interactions that are regularized and calibrated in different ways.
doi: 10.1088/1361-6471/ace3e2
2023BO08 Phys.Rev. C 107, 065502 (2023) J.Bonilla, B.Acharya, L.Platter Muon capture on the deuteron in chiral effective field theory NUCLEAR REACTIONS 2H(μ, X), E at <300 MeV/c; calculated total muon capture rate, capture rate from the doublet and quartet channel. Quantified the theoretical uncertainties. Chiral effective field theory at next-to-next-to-leading order (NNLO) currents. Studied the dependence on the cutoff used to regularize the interactions, low energy constants calibrated using different fitting data and strategies, and truncation of the effective-field-theory expansion of the currents. Comparison to available experimental data and other theoretical estimations.
doi: 10.1103/PhysRevC.107.065502
2023GO01 Phys.Rev. C 107, 014617 (2023) M.Gobel, B.Acharya, H.-W.Hammer, D.R.Phillips Final-state interactions and spin structure in E1 breakup of 11Li in halo effective field theory NUCLEAR STRUCTURE 11Li; charge radii, mean-square neutron charge radius, calculated E1 strength distribution with inclusion of final state interactions in neutron-neutron and neutron-core channels, cumulative B(E1). Halo effective field theory (Halo EFT) at leading order treating 11Li as three-body system 9Li+n+n. Comparison to experimental data.
doi: 10.1103/PhysRevC.107.014617
2022LI43 J.Phys.(London) G49, 105101 (2022) S.S.Li Muli, B.Acharya, O.J.Hernandez, S.Bacca Bayesian analysis of nuclear polarizability corrections to the Lamb shift of muonic H-atoms and He-ions NUCLEAR REACTIONS 2,3H, 3,4He(μ, X), E not given; analyzed available data of the nuclear-polarizability corrections to the Lamb shift with a Bayesian analysis.
doi: 10.1088/1361-6471/ac81e0
2021AC02 Phys.Rev. C 103, 024001 (2021) B.Acharya, V.Lensky, S.Bacca, M.Gorchtein, M.Vanderhaeghen Dispersive evaluation of the Lamb shift in muonic deuterium from chiral effective field theory NUCLEAR REACTIONS 2H(γ, X), E<80 MeV; 2H(e-, X), E=80, 146.9, 175, 180, 222.6, 292.8 MeV; calculated deuteron photodisintegration σ(E), deuteron electrodissociation differential σ(E, θ), deuteron response functions and corresponding uncertainties up to next-to-next-to-next-to-leading order in chiral effective field theory (χEFT), longitudinal and transverse contributions. Comparison with experimental data. NUCLEAR STRUCTURE 2H; calculated nuclear polarizability two-photon exchange corrections to the muonic deuterium (μD) Lamb shift by combining dispersion relations with ab initio approach to compute nuclear structure corrections using chiral effective field theory. Comparison with results of previous calculations.
doi: 10.1103/PhysRevC.103.024001
2021SO24 Phys.Rev.Lett. 127, 072501 (2021) J.E.Sobczyk, B.Acharya, S.Bacca, G.Hagen Ab Initio Computation of the Longitudinal Response Function in 40Ca NUCLEAR STRUCTURE 40Ca; calculated longitudinal response function using the coupled-cluster and Lorentz integral transform methods starting from chiral nucleon-nucleon and three-nucleon interactions.
doi: 10.1103/PhysRevLett.127.072501
2020AC01 Phys.Rev. C 101, 015505 (2020) Neutrino-deuteron scattering: Uncertainty quantification and new Λ1, A constraints NUCLEAR REACTIONS 2H(ν, ν'), (ν-bar, ν-bar'), E=threshold-150 MeV; calculated deuteron dissociation σ(E) with uncertainty estimates using chiral effective field theory (χEFT). Comparison with previous theoretical calculations.
doi: 10.1103/PhysRevC.101.015505
2020SO21 Phys.Rev. C 102, 064312 (2020) J.E.Sobczyk, B.Acharya, S.Bacca, G.Hagen Coulomb sum rule for 4He and 16O from coupled-cluster theory NUCLEAR STRUCTURE 4He, 16O; calculated Coulomb sum rule (CSR), squared elastic form factors, spurious 1- states as functions of the momentum transfer of 0-500 MeV. Coupled-cluster theory using interactions from chiral effective field theory (EFT). Relevance to improving understanding of neutrino-nucleus scattering process.
doi: 10.1103/PhysRevC.102.064312
2019AC09 Phys.Rev. C 100, 021001R (2019) Universal behavior of p-wave proton-proton fusion near threshold NUCLEAR REACTIONS 1H(p, X), E<110 keV; calculated p-wave contribution to the proton-proton fusion S factor and total threshold S factor using chiral effective-field theory (EFT) up to the next-to-leading order.
doi: 10.1103/PhysRevC.100.021001
2018AC07 Phys.Rev. C 98, 065506 (2018) B.Acharya, A.Ekstrom, L.Platter Effective-field-theory predictions of the muon-deuteron capture rate NUCLEAR REACTIONS 2H(μ-, X), E=125-300 MeV; calculated distribution of central values and uncertainties for muon-capture rate, and capture rate as a function of proton-proton Spp factor using chiral effective-field-theory, and using the experimental value of triton β-decay half-life. Relevance to forthcoming experimental results from the MuSun Collaboration.
doi: 10.1103/PhysRevC.98.065506
2017AC01 Phys.Rev. C 95, 031301 (2017) B.Acharya, A.Ekstrom, D.Odell, T.Papenbrock, L.Platter Corrections to nucleon capture cross sections computed in truncated Hilbert spaces NUCLEAR REACTIONS 1H(n, γ), E(cm)=1 MeV; 1H(p, X), E(cm)=50, 1000 keV; calculated dependence of the nucleon capture cross section on the radius of the hard wall with Dirichlet boundary condition using computations based on hyperspherical harmonics. Relevance to rp-process.
doi: 10.1103/PhysRevC.95.031301
2013AC02 Phys.Lett. B 723, 196 (2013) Implications of a matter-radius measurement for the structure of Carbon-22 NUCLEAR STRUCTURE 20,21,22C; calculated binding energies, excited Efimov states, rms matter radius of s-wave Borromean halo nuclei. Comparison with available data.
doi: 10.1016/j.physletb.2013.04.055
2013AC03 Nucl.Phys. A913, 103 (2013) 19C in halo EFT: Effective-range parameters from Coulomb dissociation experiments NUCLEAR REACTIONS 181Ta(19C, n18C), E=88 MeV/nucleon; calculated halo nucleus Coulomb dissociation σ(θ), σ(E), 1n separation energy, n-18C scattering length, longitudinal momentum distribution using EFT (effective field theory); deduced EFT parameters. Compared with available data.
doi: 10.1016/j.nuclphysa.2013.05.021
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