Showing 2015 · nucl-thShow all

32 papers · 2 filters

nucl-th2015★ 473 cited

The In-Medium Similarity Renormalization Group: A Novel Ab Initio Method for Nuclei

H. Hergert, S. K. Bogner, T. D. Morris +2

We present a comprehensive review of the In-Medium Similarity Renormalization Group (IM-SRG), a novel ab inito method for nuclei. The IM-SRG employs a continuous unitary transforma…

nucl-th2015★ 82 cited

Thermal Dileptons from Coarse-Grained Transport as Fireball Probes at SIS Energies

Tetyana Galatyuk, Paul M. Hohler, Ralf Rapp +2

Utilizing a coarse-graining method to convert hadronic transport simulations of Au+Au collisions at SIS energies into local temperature, baryon and pion densities, we compute the p…

nucl-th2015★ 109 cited

Impact of nuclear mass uncertainties on the -process

Dirk Martin, Almudena Arcones, Witold Nazarewicz +1

Nuclear masses play a fundamental role in understanding how the heaviest elements in the Universe are created in the -process. We predict -process nucleosynthesis yields usin…

nucl-th2015★ 125 cited

Ground and excited states of doubly open-shell nuclei from ab initio valence-space Hamiltonians

S. R. Stroberg, H. Hergert, J. D. Holt +2

We present ab initio predictions for ground and excited states of doubly open-shell fluorine and neon isotopes based on chiral two- and three-nucleon interactions. We use the in-me…

nucl-th2015★ 42 cited

Open-Shell Nuclei and Excited States from Multi-Reference Normal-Ordered Hamiltonians

Eskendr Gebrerufael, Angelo Calci, Robert Roth

We discuss the approximate inclusion of three-nucleon interactions into ab initio nuclear structure calculations using a multi-reference formulation of normal ordering and Wick's t…

nucl-th2015★ 40 cited

Testing the importance of collective correlations in neutrinoless decay

J. Menéndez, N. Hinohara, J. Engel +2

We investigate the extent to which theories of collective motion can capture the physics that determines the nuclear matrix elements governing neutrinoless double-beta decay. To th…

nucl-th2015★ 177 cited

Asymmetric nuclear matter based on chiral two- and three-nucleon interactions

Christian Drischler, Kai Hebeler, Achim Schwenk

We calculate the properties of isospin-asymmetric nuclear matter based on chiral nucleon-nucleon (NN) and three-nucleon (3N) interactions. To this end, we develop an improved norma…

nucl-th2015★ 16 cited

Deuteron electrodisintegration with unitarily evolved potentials

S. N. More, S. König, R. J. Furnstahl +1

Renormalization group (RG) methods used to soften Hamiltonians for nuclear many-body calculations change the effective resolution of the interaction. For nucleon knock-out processe…

nucl-th2015★ 335 cited

Properties of hot and dense matter from relativistic heavy ion collisions

Peter Braun-Munzinger, Volker Koch, Thomas Schaefer +1

We review the progress achieved in extracting the properties of hot and dense matter from relativistic heavy ion collisions at the relativistic heavy ion collider (RHIC) at Brookha…

nucl-th2015★ 5 cited

Ab initio calculations of reactions with light nuclei

S. Quaglioni, G. Hupin, A. Calci +2

An {\em ab initio} (i.e., from first principles) theoretical framework capable of providing a unified description of the structure and low-energy reaction properties of light nucle…

nucl-th2015★ 1 cited

Emission of neutrino-antineutrino pairs by hadronic bremsstrahlung processes

Sonia Bacca, Rishi Sharma, Achim Schwenk

We review our recent calculations of neutrino-antineutrino pair production from bremsstrahlung processes in hadronic collisions at temperature and densities relevant for core-colla…

nucl-th2015★ 361 cited

Charge, neutron, and weak size of the atomic nucleus

G. Hagen, A. Ekström, C. Forssén +14

What is the size of the atomic nucleus? This deceivably simple question is difficult to answer. While the electric charge distributions in atomic nuclei were measured accurately al…

nucl-th2015★ 40 cited

Importance-Truncated Large-Scale Shell Model

Christina Stumpf, Jonas Braun, Robert Roth

We propose an importance-truncation scheme for the large-scale nuclear shell model that extends its range of applicability to larger valence spaces and mid-shell nuclei. It is base…

nucl-th2015★ 288 cited

Chiral Three-Nucleon Interactions in Light Nuclei, Neutron- Scattering, and Neutron Matter

J. E. Lynn, I. Tews, J. Carlson +4

We present quantum Monte Carlo calculations of light nuclei, neutron- scattering, and neutron matter using local two- and three-nucleon () interactions derived from chiral e…

nucl-th2015★ 223 cited

Nuclear forces and their impact on neutron-rich nuclei and neutron-rich matter

K. Hebeler, J. D. Holt, J. Menendez +1

We review the impact of nuclear forces on matter at neutron-rich extremes. Recent results have shown that neutron-rich nuclei become increasingly sensitive to three-nucleon forces,…

nucl-th2015★ 114 cited

Exploring sd-shell nuclei from two- and three-nucleon interactions with realistic saturation properties

J. Simonis, K. Hebeler, J. D. Holt +2

We study ground- and excited-state properties of all sd-shell nuclei with neutron and proton numbers 8 <= N,Z <= 20, based on a set of low-resolution two- and three-nucleon interac…

nucl-th2015★ 59 cited

Effective Theory of 3H and 3He

Sebastian König, Harald W. Grießhammer, H. -W. Hammer +1

We present a new perturbative expansion for pionless effective field theory with Coulomb interactions in which at leading order the spin-singlet nucleon-nucleon channels are taken…

nucl-th2015★ 42 cited

Inhomogeneous chiral symmetry breaking in dense neutron-star matter

Michael Buballa, Stefano Carignano

An increasing number of model results suggests that chiral symmetry is broken inhomogeneously in a certain window at intermediate densities in the QCD phase diagram. This could hav…

nucl-th2015★ 21 cited

Range corrections in Proton Halo Nuclei

Emil Ryberg, Christian Forssén, H. -W. Hammer +1

We analyze the effects of finite-range corrections in halo effective field theory for S-wave proton halo nuclei. We calculate the charge radius to next-to-leading order and the ast…

nucl-th2015★ 299 cited

Large scale evaluation of beta-decay rates of r-process nuclei with the inclusion of first-forbidden transitions

T. Marketin, L. Huther, G. Martínez-Pinedo

R-process nucleosynthesis models rely, by necessity, on nuclear structure models for input. Particularly important are beta-decay half-lives of neutron rich nuclei. At present only…

nucl-th2015★ 2 cited

Bose-Einstein condensates in neutron stars

C. J. Pethick, Thomas Schaefer, A. Schwenk

In the two decades since the appearance of the book "Bose-Einstein Condensation" in 1995, there have been a number of developments in our understanding of dense matter. After a bri…

nucl-th2015★ 2 cited

Ab Initio No Core Shell Model - Recent Results and Further Prospects

James P. Vary, Pieter Maris, Hugh Potter +14

There has been significant recent progress in solving the long-standing problems of how nuclear shell structure and collective motion emerge from underlying microscopic inter-nucle…

nucl-th2015★ 207 cited

Matching pion-nucleon Roy-Steiner equations to chiral perturbation theory

Martin Hoferichter, Jacobo Ruiz de Elvira, Bastian Kubis +1

We match the results for the subthreshold parameters of pion-nucleon scattering obtained from a solution of Roy-Steiner equations to chiral perturbation theory up to next-to-next-t…

nucl-th2015★ 14 cited

Neutrino absorption by hot nuclei in supernova environments

Alan A. Dzhioev, A. I. Vdovin, J. Wambach

Using the thermal quasiparticle random phase approximation, we study the process of neutrino and antineutrino capture on hot nuclei in supernova environments. For the sample nuclei…