Search Results - "Hammer, H."

Nuclear effective field theory: Status and perspectives by Hammer, H.-W., König, Sebastian, van Kolck, U.

“…The nuclear-physics landscape has been redesigned as a sequence of effective field theories (EFTs) connected to the standard model through symmetries and…”
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Universality in few-body systems with large scattering length by Braaten, Eric, Hammer, H.-W.

“…Particles with short-range interactions and a large scattering length have universal low-energy properties that do not depend on the details of their structure…”
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Nuclear Physics Around the Unitarity Limit by König, Sebastian, Grießhammer, Harald W, Hammer, H-W, van Kolck, U

“…We argue that many features of the structure of nuclei emerge from a strictly perturbative expansion around the unitarity limit, where the two-nucleon S waves…”
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Is a Trineutron Resonance Lower in Energy than a Tetraneutron Resonance? by Gandolfi, S, Hammer, H-W, Klos, P, Lynn, J E, Schwenk, A

“…We present quantum Monte Carlo calculations of few-neutron systems confined in external potentials based on local chiral interactions at…”
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Simulating core excitation in breakup reactions of halo nuclei using an effective three-body force by Capel, P., Phillips, D.R., Hammer, H.-W.

“…We extend our previous calculation of the breakup of 11Be using Halo Effective Field Theory and the Dynamical Eikonal Approximation to include an effective…”
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Theoretical constraints and systematic effects in the determination of the proton form factors by Lorenz, I. T., Meißner, Ulf-G., Hammer, H.-W., Dong, Y.-B.

“…We calculate the two-photon exchange corrections to electron-proton scattering with nucleon and Delta intermediate states. The results show a dependence on the…”
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The triton in a finite volume by Kreuzer, Simon, Hammer, H.-W.

“…Understanding the volume dependence of the triton binding energy is an important step towards lattice simulations of light nuclei. We calculate the triton…”
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Modern theory of nuclear forces by Epelbaum, E., Hammer, H.-W., Meißner, Ulf-G.

“…Effective field theory allows for a systematic and model-independent derivation of the forces between nucleons in harmony with the symmetries of quantum…”
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Efimov physics in a finite volume by Kreuzer, Simon, Hammer, H.-W.

“…Three bosons with large scattering length show universal properties that do not depend on the details of the interaction at short distances. In the three-boson…”
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Nuclear Structure at the Crossroads by Furnstahl, R. J., Hammer, H.-W., Schwenk, A.

“…Steven Weinberg’s seminal papers from 1990–92 initiated the use of effective field theories (EFTs) for nuclei. We summarize progress, priorities, and open…”
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An alternative scheme for effective range corrections in pionless EFT by Ebert, M., Hammer, H.-W., Rusetsky, A.

“…We discuss an alternative scheme for including effective range corrections in pionless effective field theory. The standard approach treats range terms as…”
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New structures in the proton-antiproton system by Lorenz, I. T., Hammer, H.-W., Meißner, Ulf-G.

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Universal physics of bound states of a few charged particles by Schmickler, C.H., Hammer, H.-W., Volosniev, A.G.

“…We study few-body bound states of charged particles subject to attractive zero-range/short-range plus repulsive Coulomb interparticle forces. The…”
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An Alternative Scheme for Pionless EFT: Neutron-Deuteron Scattering in the Doublet S-Wave by Ebert, M., Hammer, H.-W., Rusetsky, A.

“…Using the effective-range expansion for the two-body amplitudes may generate spurious sub-threshold poles outside of the convergence range of the expansion. In…”
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On the ππ continuum in the nucleon form factors and the proton radius puzzle by Hoferichter, M., Kubis, B., Ruiz de Elvira, J., Hammer, H. -W., Meißner, U. -G.

“… We present an improved determination of the π π continuum contribution to the isovector spectral functions of the nucleon electromagnetic form factors. Our…”
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Effective field theory for proton halo nuclei by Ryberg, Emil, Forssén, Christian, Hammer, H.-W., Platter, Lucas

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Gandolfi et al. Reply by Gandolfi, S, Hammer, H-W, Klos, P, Lynn, J E, Schwenk, A

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Volume dependence of bound states with angular momentum by König, Sebastian, Lee, Dean, Hammer, H-W

“…We derive general results for the mass shift of bound states with angular momentum ℓ≥1 in a finite periodic volume. Our results have direct applications to…”
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Causality and the effective range expansion by Hammer, H.-W., Lee, Dean

“…We derive the generalization of Wigner’s causality bounds and Bethe’s integral formula for the effective range parameter to arbitrary dimension and arbitrary…”
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Electric properties of the Beryllium-11 system in Halo EFT by Hammer, H.-W., Phillips, D.R.

“…We compute E1 transitions and electric radii in the Beryllium-11 nucleus using an effective field theory that exploits the separation of scales in this halo…”
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