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Related papers: Precision Measurement of the n-3He Incoherent Scat…

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This work is part of an effort to provide more experimental data for the (n,n'x) reaction. The experiments were carried out at The Svedberg Laboratory in Uppsala, Sweden, at the quasi-mono-energetic neutron beam of 96 MeV, before the…

Nuclear Experiment · Physics 2013-03-28 C. Gustavsson , C. Hellesen , S. Pomp , A. Öhrn , J. Blomgren , U. Tippawan

The production of leading neutrons, where the neutron carries a large fraction x_L of the incoming proton's longitudinal momentum, is studied in deep-inelastic positron-proton scattering at HERA. The data were taken with the H1 detector in…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

A measurement of proton inelastic scattering of $^8$He at $8.25A$~MeV at TRIUMF shows a resonance at 3.54(6)~MeV with a width of 0.89(11)~MeV. The energy of the state is in good agreement with coupled cluster and no-core shell model with…

We present neutron inelastic scattering measurements of the low-energy phonons in single crystal BiFeO3. The dispersions of the three acoustic phonon modes (LA along [100], TA1 along [010] and TA2 along [110]) and two low energy optic…

We propagate the statistical uncertainty of experimental NN scattering data into the binding energy of $^3$H and $^4$He. We also study the sensitivity of the magnetic moment and proton radius of the $^3$H to changes in the NN interaction.…

Nuclear Theory · Physics 2016-01-06 R. Navarro Perez , J. E. Amaro , E. Ruiz Arriola , P. Maris , J. P. Vary

The $n+{}^3$H, $p+{}^3$He, $p+{}^3$H, and $n+{}^3$He elastic and charge exchange reactions at low energies are studied by means of the hyperspherical harmonic method. The considered nuclear Hamiltonians include modern two- and three-nucleon…

Nuclear Theory · Physics 2020-04-01 M. Viviani , L. Girlanda , A. Kievsky , L. E. Marcucci

Liquid hydrogen is a dense Bose fluid whose equilibrium properties are both calculable from first principles using various theoretical approaches and of interest for the understanding of a wide range of questions in many body physics.…

Nuclear effects in Deep Inelastic Scattering of polarized electrons off polarized $^3$He are analyzed in terms of a spin dependent spectral function taking into account $S'$ and $D$ waves in $^3$He, as well as Fermi motion and binding…

Nuclear Theory · Physics 2009-09-25 C. Ciofi degli Atti , E. Pace , G. Salme` , S. Scopetta

Antiproton scattering off $^3\He$ and $^4\He$ targets is considered at beam energies below 300 MeV within the Glauber-Sitenko approach, utilizing the $\bar N N$ amplitudes of the J\"ulich model as input. A good agreement with available data…

Nuclear Theory · Physics 2013-05-29 Yu. N. Uzikov , J. Haidenbauer , B. A. Prmantaeva

We present new accurate measurements of the differential cross section $\sigma(\theta)$ and the proton analyzing power $A_{y}$ for proton-$^{3}$He elastic scattering at various energies. A supersonic gas jet target has been employed to…

The differential cross sections of elastic and inelastic scattering of 3He ions on 13C and 14C have been studied at energy of 37.9 MeV with a double folding model based on M3Y-Reid effective nucleon-nucleon interaction. The resulted…

Nuclear Theory · Physics 2013-11-15 Marwa N. El-Hammamy , Ali Attia , Fayza. A. El-Akkad , Ali M. Abdel-Moneim

The triplet and singlet low-energy parameters in the effective-range expansion for neutron--proton scattering are determined by using the latest experimental data on respective phase shifts from the SAID nucleon--nucleon database. The…

Nuclear Theory · Physics 2008-11-26 V. A. Babenko , N. M. Petrov

In the analysis of neutron scattering measurements of condensed matter structure, it normally suffices to treat the incident and scattered neutron beams as if composed of incoherent distributions of plane waves with wavevectors of different…

Instrumentation and Detectors · Physics 2019-11-20 C. F. Majkrzak , N. F. Berk , B. B. Maranville , J. A. Dura , T. Jach

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

Sc3Mn3Al7Si5 is a rare example of a correlated metal in which the Mn moments form a kagome lattice. The absence of magnetic ordering to the lowest temperatures suggests that geometrical frustration of magnetic interactions may lead to…

Strongly Correlated Electrons · Physics 2021-10-27 X. Y. Li , D. Reig-i-Plessis , P. -F. Liu , S. Wu , B. -T. Wang , A. M. Hallas , M. B. Stone , C. Broholm , M. C. Aronson

Neutron scattering experiments on frustrated fcc - antiferromagnet HoB$_{12}$ have been performed above T$_{N}$ = 7.4 K. Diffuse scattering patterns indicate that above Neel temperature correlations between neighboring magnetic moments of…

Strongly Correlated Electrons · Physics 2007-05-23 K. Siemensmeyer , K. Flachbart , S. Gabani , S. Matas , Y. Paderno , N. Shitsevalova

Proton elastic scattering and inelastic scattering to the first excited state of 6He have been measured over a wide angular range using a 40.9A MeV 6He beam. The data have been analyzed with a fully microscopic model of proton-nucleus…

The ratios of inclusive electron scattering cross sections of He4, C12 and Fe56 to He3 have been measured at 1 < x_B < 3. At Q^2 > 1.4 GeV^2, the ratios exhibit two separate plateaus, at 1.5 < x_B < 2 and at x_B > 2.25. This pattern is…

Nuclear Experiment · Physics 2010-04-06 K. S. Egiyan , N. B. Dashyan , M. M. Sargsian , M. I. Strikman , L. B. Weinstein , CLAS Collaboration

We present a new parameterization of the trinucleon wavefunction. As a novel feature a separable parameterization for the complete wavefunction is given. In this way any calculation that considers two body forces only is largely simplified.…

Nuclear Theory · Physics 2007-05-23 V. Baru , J. Haidenbauer , C. Hanhart , J. A. Niskanen

The workhorse of atomic physics, quantum electrodynamics, is one of the best-tested theories in physics. However recent discrepancies have shed doubt on its accuracy for complex atomic systems. To facilitate the development of the theory…

Atomic Physics · Physics 2022-08-16 B. M. Henson
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