300 citations · 2.5k across the 75 of their papers we have counts for
50 papers · 1 filter
Taming nuclear size and shape effects in superallowed beta-decay
Bingcheng He, Mikhail Gorchtein, Matthias Heinz +3
We present the first combined analysis of the statistical rate function f in superallowed beta decays with ab initio calculations and data. We focus on C10 to 10B, 14O to 14N and 2…
Improved nuclear-structure corrections to the hyperfine splitting of electronic and muonic deuterium
Jose Bonilla, Thomas R. Richardson, Sonia Bacca +2
We calculate the nuclear-structure correction to the hyperfine splitting in both electronic and muonic deuterium using interactions from chiral effective field theory. We explore t…
Non-Efimovian two-neutron halos with an -wave core-neutron resonance
Lucas Platter, Dam Thanh Son
We consider two-neutron halo nuclei in which the neutron core subsystem displays a resonance close to threshold. Such resonances can be generated in an effective field theory in wh…
The breakdown scale of pionless effective field theory in the three-nucleon sector
Andreas Ekström, Lucas Platter
We make order-by-order predictions of neutron-deuteron total cross sections up to next-to-next-to-leading order in pionless effective field theory. Using Bayesian methods, we infer…
Quantifying the breakdown scale of pionless effective field theory
Andreas Ekström, Lucas Platter
We use Bayesian statistics to infer the breakdown scale of pionless effective field theory in its standard power counting and with renormalization of observables carried out using…
Radiative corrections to proton-proton fusion in pionless EFT
Evan Combes, Emanuele Mereghetti, Lucas Platter
We study the leading radiative correction to proton-proton fusion using the pionless effective field theory framework at leading order. We derive the relevant matrix elements and e…
Nuclear Structure Effects on Hyperfine Splittings in Ordinary and Muonic Deuterium
Chen Ji, Xiang Zhang, Lucas Platter
Precision spectroscopy of hyperfine splitting (HFS) is a crucial tool for investigating the structure of nuclei and testing quantum electrodynamics (QED). However, accurate theoret…
Scattering phase shifts from a quantum computer
Sanket Sharma, Thomas Papenbrock, Lucas Platter
We calculate two-body scattering phase shifts on a quantum computer using a leading order short-range effective field theory Hamiltonian. The algorithm combines the variational qua…
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…
Weak decay of halo nuclei
Wael Elkamhawy, Hans-Werner Hammer, Lucas Platter
We investigate the weak decay of one-neutron halo nuclei into the proton-core continuum, i.e., beta-delayed proton emission from the halo nucleus using a cluster effective field th…
Perspectives on few-body cluster structures in exotic nuclei
D. Bazin, K. Becker, F. Bonaiti +16
It is a fascinating phenomenon in nuclear physics that states with a pronounced few-body structure can emerge from the complex dynamics of many nucleons. Such halo or cluster state…
Two-pion exchange as a leading-order contribution in chiral effective field theory
Chinmay Mishra, A. Ekström, G. Hagen +2
Pion exchange is the central ingredient to nucleon-nucleon interactions used in nuclear structure calculations, and one pion exchange (OPE) enters at leading order in chiral effect…
Residual cut-off dependence and power counting: the deuteron as a case study
Daniel Odell, Manuel Pavon Valderrama, Lucas Platter
Effective field theories (EFTs) require regularization and renormalization to gain predictive power. While regularization is inconsequential from the point of view of the observabl…
Electric dipole moments of three-nucleon systems in the pionless effective field theory
Zichao Yang, Emanuele Mereghetti, Lucas Platter +2
We calculate the electric dipole moments (EDMs) of three-nucleon systems at leading order in pionless effective field theory. The one-body contributions that arise from permanent p…
Pionless Effective Field Theory Evaluation of Nuclear Polarizability in Muonic Deuterium
Samuel B. Emmons, Chen Ji, Lucas Platter
We calculate the longitudinal structure function of the deuteron up through next-to-next-to-leading order in the framework of pionless effective field theory. We use these results…
-delayed proton emission from Be in effective field theory
Wael Elkamhawy, Zichao Yang, Hans-Werner Hammer +1
We calculate the rate of the rare decay into using Halo effective field theory, thereby describing the process of beta-delayed…
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…
Renormalization of a Finite Range Inverse Cube Potential
Daniel Odell, Arnoldas Deltuva, Jose Bonilla +1
We study the regularization and renormalization of a finite range inverse cube potential in the two- and three-body sectors. Specifically, we compare and contrast three different r…
Calculation of an bound-state matrix element in pionless effective field theory
Hilla De-Leon, Lucas Platter, Doron Gazit
In this paper, we establish a general framework for calculating pionless matrix elements between bound-states up to next-to-leading-order. This framework is useful for pionle…
Neutron transfer reactions in halo effective field theory
M. Schmidt, L. Platter, H. -W. Hammer
Direct reaction experiments provide a powerful tool to probe the structure of neutron-rich nuclei like beryllium-11. We use halo effective field theory to calculate the cross secti…
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…
Halo structure of C
Jonas Braun, Hans-Werner Hammer, Lucas Platter
C has three states below the C + threshold with quantum numbers . These states have relatively small neutron separation energies compared t…
Three-body halo states in effective field theory
Emil Ryberg, Christian Forssén, Lucas Platter
In this paper we study the renormalization of Halo effective field theory applied to the Helium-6 halo nucleus seen as an alpha-neutron-neutron three-body state. We include the 0+…