English
Related papers

Related papers: Proton-$\rm ^3He$ elastic scattering at intermedia…

200 papers

Background: Theoretical calculations of the four-particle scattering above the four-cluster breakup threshold are technically very difficult due to nontrivial singularities or boundary conditions. Further complications arise when the…

Nuclear Theory · Physics 2017-06-05 A. Deltuva , A. C. Fonseca

Proton-3He scattering is one of the good probes to study the T=3/2 channel of three--nucleon forces. We have measured 3He analyzing powers for p-3He elastic scattering with the polarized 3He target at 70 and 100 MeV. The data are compared…

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…

Proton-${}^3$H elastic scattering and charge-exchange reaction ${}^3$H$(p,n){}^3$He in the energy regime above four-nucleon breakup threshold are described in the momentum-space transition operator framework. Fully converged results are…

Nuclear Theory · Physics 2017-06-05 A. Deltuva , A. C. Fonseca

We provide systematic analysis of the differential cross section of the proton-$^3{\rm He}$ elastic scattering at $\theta_{\rm cm}=180^{\circ}$ and at $T_p<700$ MeV. Three mechanisms are discussed: 2N pair exchange in the triplet and…

Nuclear Theory · Physics 2007-05-23 A. P. Kobushkin , E. A. Strokovsky , K. Hatanaka , S. Ishikawa

Observables in elastic proton-deuteron scattering are sensitive probes of the nucleon-nucleon interaction and three-nucleon force effects. The present experimental data base for this reaction is large, but contains a large discrepancy…

To investigate the importance of three-nucleon forces (3NF) systematically over a broad range of intermediate energies, the differential cross sections of elastic proton-deuteron scattering have been measured at proton bombarding energies…

We report new measurements of the neutron-deuteron elastic scattering cross section at energies from 135 to 250 MeV and center-of-mass angles from $80^\circ$ to $130^\circ$. Cross sections for neutron-proton elastic scattering were also…

Nuclear Experiment · Physics 2015-06-12 E. Ertan , T. Akdogan , M. B. Chtangeev , W. A. Franklin , P. A. M. Gram , M. A. Kovash , J. L. Matthews , M. Yuly

We investigate the use of proton-nucleus elastic scattering experiments using secondary beams of 6He and 8He to determine the physical structure of these nuclei. The sensitivity of these experiments to nuclear structure is examined by using…

Nuclear Theory · Physics 2009-11-06 Stephen P. Weppner , Charlotte Elster , Ofir Garcia

We present evidence that numerically accurate quantum calculations employing modern internucleon forces do not reproduce the proton analyzing power, A_y, for p-3He elastic scattering at low energies. These calculations underpredict new…

Nuclear Theory · Physics 2009-11-07 M. Viviani , A. Kievsky , S. Rosati , E. A. George , L. D. Knutson

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

We present measurements of differential cross sections and the analyzing powers A_y, iT11, T20, T21, and T22 at E_c.m.=431.3 keV. In addition, an excitation function of iT11(theta_c.m.=87.8 degrees) for 431.3 <= E_c.m. <= 2000 keV is…

Nuclear Experiment · Physics 2009-10-31 C. R. Brune , W. H. Geist , H. J. Karwowski , E. J. Ludwig , K. D. Veal , M. H. Wood , A. Kievsky , S. Rosati , M. Viviani

The vector analyzing power has been measured for the elastic scattering of neutron-rich 6He from polarized protons at 71 MeV/nucleon making use of a newly constructed solid polarized proton target operated in a low magnetic field and at…

Elastic proton scattering on ${}^{3}{H}$ nucleus is studied inbetween p-% ${}^{3}{H}$ and n-${}^{3}{He}$ thresholds, in the energy region where $\alpha$-particles first excited state is inbeded in the continuum. For this aim…

Nuclear Theory · Physics 2009-06-30 Rimantas Lazauskas

Differential cross sections of $^{2}$H(d, d)d elastic scattering and proton transfer $^{2}$H(d, $^{3}$He)n reactions at 160 MeV beam energy have been obtained. They have been normalized relative to the existing cross-section data for the…

We report observables for elastic Compton scattering from $^3$He in Chiral Effective Field Theory with an explicit $\Delta(1232)$ degree of freedom ($\chi$EFT) for energies between 50 and 120 MeV. The $\gamma\,{}^3$He amplitude is complete…

We calculate the differential cross sections for proton elastic scattering on the exotic halo nuclei $^6$He and $^8$He at energies around $\sim$0.7 GeV at the momentum transfers squared up to 0.30 (GeV/$c$)$^2$ and investigate the influence…

Nuclear Theory · Physics 2018-04-04 G. D. Alkhazov , V. V. Sarantsev

The series of calculations of differential cross sections and analyzing powers (Ay) of the elastic proton scattering on isotopes 6He and 8He was presented in the framework of the theory of Glauber multiple diffraction scattering. The…

Nuclear Theory · Physics 2013-04-23 E. Ibraeva , O. Imambekov , A. Dzhazairov-Kahramanov

Polarization correlation coefficients have been measured atRIKEN for the \vec 3He(\vec d,p)4He reaction at intermediate energies. We propose a model for the (\vec d, p) reaction mechanism using the pd elastic scattering amplitude which is…

Nuclear Theory · Physics 2009-11-06 H. Kamada , W. Gloeckle , H. Witala , S. Gojuki

The Kohn variational principle and the hyperspherical harmonic technique are applied to study p-3He elastic scattering at low energies. Preliminary results obtained using several interaction models are reported. The calculations are…

Nuclear Theory · Physics 2015-05-18 M. Viviani , L. Girlanda , A. Kievsky , L. E. Marcucci , S. Rosati
‹ Prev 1 2 3 10 Next ›