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The intermediate scattering function S(q,t) for neutron scattering is expanded with respect to a complete set of correlation functions which describe the dynamical correlations in a molecular liquid. For the static ns-structure factor S(q)…

Soft Condensed Matter · Physics 2007-05-23 Christoph Theis , Rolf Schilling

After the EMC and subsequent experiments at CERN, SLAC and DESY on the deep inelastic scattering of polarized leptons on polarized nucleons, it is now established that the Q^2=0 value of the axial strange form factor of the nucleon, a…

High Energy Physics - Phenomenology · Physics 2009-11-07 W. M. Alberico , S. M. Bilenky , C. Maieron

Neutral-current neutrino scattering from the deuteron leading to proton-neutron final states is considered using an approach that incorporates relativistic dynamics and consequently provides robust modeling at relatively high energies and…

Nuclear Theory · Physics 2020-07-01 Sabine Jeschonnek , J. W. Van Orden , T. W. Donnelly

We present a theory of combined nonmagnetic and magnetic impurity scattering in anisotropic superconductors accounting for the momentum-dependent impurity potential. Applying the model to the d-wave superconducting state, we obtain a…

Superconductivity · Physics 2009-10-31 G. Haran , A. D. S. Nagi

The paper presents a theoretical approach to the description of the relativistic scattering of a massive (neutral) lepton on a nucleus, in which the latter retains its integrity. The measurable cross section of this process includes the…

High Energy Physics - Phenomenology · Physics 2023-03-21 V. A. Bednyakov

Unpolarized inelastic neutron scattering is used to study the temperature and wave vector dependence of the dynamical magnetic susceptibility, $\chi''(q,\omega)$, of a well characterized single crystal $YBa_2Cu_3O_{6.6}$ ($T_c=62.7$ K). We…

Superconductivity · Physics 2016-03-23 P. Dai , H. A. Mook , F. Dogan

Recent elastic and inelastic neutron scattering studies of the highly frustrated pyrochlore antiferromagnet Tb2Ti2O7 have shown some very intriguing features that cannot be modeled by the local <111> classical Ising model, naively expected…

Disordered Systems and Neural Networks · Physics 2007-05-23 Ying-Jer Kao , Matthew Enjalran , Adrian Del Maestro , Hamid R. Molavian , Michel J. P. Gingras

Inelastic neutron scattering measurements are utilized to explore relative changes in the generalized phonon density of states of nanocrystalline Si1xGex thermoelectric materials prepared via ball milling and hot-pressing techniques.…

Materials Science · Physics 2012-12-19 Chetan Dhital , D. L. Abernathy , Gaohua Zhu , Zhifeng Ren , D. Broido , Stephen D. Wilson

We consider interference effects between p-wave resonance scattering amplitude and background s-wave amplitude in low-energy neutron scattering from a heavy nucleus which goes through the compound nucleus stage. The first effect is in the…

Nuclear Theory · Physics 2009-08-18 J. C. Berengut , V. V. Flambaum , G. F. Gribakin

As a simple cubic system with only one f electron per cerium ion, CeB6 is of model character to investigate the interplay of orbital phenomena with magnetism. It is also a textbook example of a compound that exhibits magnetically hidden…

Strongly Correlated Electrons · Physics 2021-08-13 P. Y. Portnichenko , A. S. Cameron , D. S. Inosov

We report neutron scattering measurements of spin density wave order within the superconducting state of a single crystal of predominately stage-4 La2CuO4+y with a Tc(onset) of 42 K. The low temperature elastic magnetic scattering is…

Superconductivity · Physics 2009-10-31 Y. S. Lee , R. J. Birgeneau , M. A. Kastner , Y. Endoh , S. Wakimoto , K. Yamada , R. W. Erwin , S. H. Lee , G. Shirane

Continuum of spin excitations observed in inelastic neutron scattering experiments are often considered as a strong evidence of quantum spin liquid formation. When quantum spin liquid is indeed the ground state of a disorder-free magnetic…

Strongly Correlated Electrons · Physics 2025-04-15 Jieming Sheng , Le Wang , Wenrui Jiang , Han Ge , Nan Zhao , Tiantian Li , Maiko Kofu , Dehong Yu , Wei Zhu , Jia-Wei Mei , Zhentao Wang , Liusuo Wu

We show that, to a very good approximation, the ratio of the spin-flip to the non-flip parts of the elastic proton-nucleus amplitude is the same as for proton-nucleon scattering at very high energy. The result is used to do a realistic…

High Energy Physics - Phenomenology · Physics 2010-11-19 B. Z. Kopeliovich , T. L. Trueman

Recent measurement of the structure function $F_2^\nu$ in neutrino deep inelastic scattering allows us to compare structure function measured in neutrino and charged lepton scattering for the first time with reasonable precision. The…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. Boros

The effect of zinc substitution on the local electronic structure of several cuprates is investigated using first-principles cluster calculations. Clusters comprising 5, 9, and 13 copper atoms in the cuprate plane of La$_2$CuO$_4$,…

Superconductivity · Physics 2009-11-11 C. Bersier , S. Renold , E. P. Stoll , P. F. Meier

Inelastic neutron scattering has been used to measure the low-energy spin excitations in the ordered charge-stripe phase of La(2)NiO(4+d) with d=0.133. Spin-wave-like excitations disperse away from the incommensurate magnetic superlattice…

Superconductivity · Physics 2009-10-28 J. M. Tranquada , P. Wochner , D. J. Buttrey

This paper describes high-energy neutron inelastic scattering measurements of propagating magnetic excitations in PrBa2Cu3O6+x (x approx 0.2 and 0.93). The measurements probe the acoustic and optic modes of the antiferromagnetically-ordered…

Strongly Correlated Electrons · Physics 2009-11-11 A. T. Boothroyd , N. H. Andersen , B. H. Larsen , A. A. Zhokhov , C. D. Frost , D. T. Adroja

In heavy nuclei the spatial distribution of protons and neutrons is different. At CERN SPS energies production of $\pi^+$ and $\pi^-$ differs for $pp$, $pn$, $np$ and $nn$ scattering. These two facts lead to an impact parameter dependence…

Nuclear Theory · Physics 2009-11-10 Antoni Szczurek , Piotr Pawlowski

Using semiclassical approximation we consider parity nonconservation (PNC) averaged over compound resonances. We demonstrate that the result of the averaging crucially depends on the properties of residual strong nucleon-nucleon…

Nuclear Theory · Physics 2007-05-23 O. P. Sushkov

For the first time an analytic expression was obtained for the inelastic neutron scattering law with an isotropic neutron source within the gas model, considering moderating medium temperature as a parameter. The inelastic scattering law is…

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