English
Related papers

Related papers: Neutron Scattering by Superfluid He II about Dispe…

200 papers

The neutron emission in projectile fragmentation at relativistic energies was studied with the Large-Area-Neutron-Detector LAND coupled to the ALADIN forward spectrometer at the GSI Schwerionen-Synchrotron (SIS). Stable 124Sn and…

The double-detonation explosion model has been considered a candidate for explaining astrophysical transients with a wide range of luminosities. In this model, a carbon-oxygen white dwarf star explodes following detonation of a surface…

High Energy Astrophysical Phenomena · Physics 2017-03-01 Aoife Boyle , Stuart A. Sim , Stephan Hachinger , Wolfgang Kerzendorf

The reaction of the elastic electron-deuteron scattering at high momentum transfer is investigated within the Bethe-Salpeter approach. The relativistic covariant Graz II separable kernel of nucleon-nucleon interactions is used to analyze…

Nuclear Theory · Physics 2015-06-19 A. V. Bekzhanov , S. G. Bondarenko , V. V. Burov

We show that the neutron scattering spectra observed in CaFe$_2$As$_2$ by Zhao et al (arXiv:0903.2686v1) and the highly unusual spatially anisotropic exchange constants in the iron pnictides derived by Han et al (Phys. Rev. Lett. 102,…

Strongly Correlated Electrons · Physics 2009-03-26 Rajiv R. P. Singh

Using coupled-cluster theory and interactions from chiral effective field theory, we compute overlap functions for transfer and scattering of low-energy protons on the target nucleus 40-Ca. Effects of three-nucleon forces are included…

Nuclear Theory · Physics 2012-08-14 G. Hagen , N. Michel

The classical integral cross sections of large superfluid 4He_N droplets and the number of atoms in the droplets (N=10^3-10^4) have been measured in molecular beam scattering experiments. These measurements are found to be in good agreement…

Condensed Matter · Physics 2009-10-30 Jan Harms , J. Peter Toennies , Franco Dalfovo

We discuss nuclear structure functions in lepton scattering including neutrino reactions. First, the determination of nuclear parton distribution functions is explained by using the data of electron and muon deep inelastic scattering and…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Kumano

We present a method to calculate neutron scattering cross sections for deformed nuclei using many--body wavefunctions described with multiple reference states. Nuclear states are calculated with the generator coordinate method using a low…

Nuclear Theory · Physics 2025-09-08 J. Boström , J. Rotureau , B. G. Carlsson , A. Idini

The dynamics of superfluid 4He at and above the Landau quasiparticle regime is investigated by high precision inelastic neutron scattering measurements of the dynamic structure factor. A highly structured response is observed above the…

We report results of experiments with superfluid 3He confined in aerogels with parallel strands which lead to anisotropic scattering of 3He quasiparticles. We vary boundary conditions for the scattering by covering the strands by different…

Superconductivity · Physics 2018-02-15 V. V. Dmitriev , A. A. Soldatov , A. N. Yudin

A weak scattering potential imposed on a $CuO_2$ layer of a cuprate superconductor modulates the local density of states $N(x,\omega)$. In recently reported experimental studies scanning-tunneling maps of $N(x,\omega)$ have been Fourier…

Strongly Correlated Electrons · Physics 2009-11-10 L. Capriotti , D. J. Scalapino , R. D. Sedgewick

We present a calculation of the low frequency optical conductivity of a superconductor in the presence of quenched inhomogeneity in both the superfluid and normal fluid densities. We find that inhomogeneity in the superfluid density…

Superconductivity · Physics 2009-11-07 Joseph Orenstein

We study the structure factors for spin-independent WIMP scattering off xenon based on state-of-the-art large-scale shell-model calculations, which are shown to yield a good spectroscopic description of all experimentally relevant isotopes.…

Nuclear Theory · Physics 2015-02-20 L. Vietze , P. Klos , J. Menéndez , W. C. Haxton , A. Schwenk

In a double polarised electron scattering experiment data have been taken from which $G_E^n$ can be extracted for $Q^2=0.2{GeV}^2/c^2$. We have measured asymmetries corresponding to the spin-spin correlation functions $A'_x$ and $A'_z$ and…

Nuclear Experiment · Physics 2007-05-23 9405 collaboration , D. J. Boersma

The semi-magic nuclei Ba-138, Ce-140, and Sm-144 have been investigated in photon scattering experiments up to an excitation energy of about 10 MeV. The distribution of the electric dipole strength shows a resonance like structure at…

Nuclear Experiment · Physics 2015-06-26 A. Zilges , S. Volz , M. Babilon , T. Hartmann , P. Mohr , K. Vogt

The question of whether there are enough superfluid neutrons in the inner crust of neutron stars to explain pulsar glitches remains a topic of debate. Previous band structure calculations suggest that the entrainment effect significantly…

Nuclear Theory · Physics 2025-09-25 Giorgio Almirante , Michael Urban

We report the first measurement of the low-energy neutron-$^3$He incoherent scattering length using neutron interferometry: $b_i' = (-2.512\pm 0.012{statistical}\pm0.014{systematic})$ fm. This is in good agreement with a recent calculation…

Nuclear Experiment · Physics 2009-06-30 M. G. Huber , M. Arif , T. C. Black , W. C. Chen , T. R. Gentile , D. S. Hussey , D. Pushin , F. E. Wietfeldt , L. Yang

Neutron scattering off neutron halos can provide important information about the internal structure of nuclei close to the neutron drip line. In this work, we use halo effective field theory to study the $s$-wave scattering of a neutron and…

Nuclear Theory · Physics 2023-08-25 Xu Zhang , Hai-Long Fu , Feng-Kun Guo , Hans-Werner Hammer

Zero point density fluctuations in a liquid and their potential observation by light scattering are discussed. It is suggested that there are two distinct effects of interest. One gives an average number of scattered photons, and depends…

Quantum Physics · Physics 2020-08-05 Peter Wu , L. H. Ford