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The transverse response function R_T(q,omega) for 3He is calculated using the configuration space BonnA nucleon-nucleon potential, the Tucson-Melbourne three-body force, and the Coulomb potential. Final states are completely taken into…

The 3He transverse electron scattering response function R_T(q,omega) is calculated in the quasi-elastic peak region and beyond for momentum transfers q = 500, 600 and 700 MeV/c. Distinct from our previous work for these kinematics where we…

A calculation of the $^3$He transverse $(e,e')$ inclusive response function, $R_T$, which includes $\Delta$ degrees of freedom is performed using the Lorentz integral transform method. The resulting coupled equations are treated in impulse…

Nuclear Theory · Physics 2010-12-23 Luping Yuan , Victor D. Efros , Winfried Leidemann , Edward L. Tomusiak

The transverse electron scattering response function of 3He was recently studied by us in the quasi-elastic peak region for momentum transfers q between 500 and 700 MeV/c. Those results, obtained using the Active Nucleon Breit frame (ANB),…

Nuclear Theory · Physics 2011-05-19 Victor D. Efros , Winfried Leidemann , Giuseppina Orlandini , Edward L. Tomusiak

Trinucleon longitudinal response functions R_L(q,omega) are calculated for q values up to 500 MeV/c. These are the first calculations beyond the threshold region in which both three-nucleon (3N) and Coulomb forces are fully included. We…

Nuclear Theory · Physics 2009-11-10 Victor D. Efros , Winfried Leidemann , Giuseppina Orlandini , Edward L. Tomusiak

The transverse electron scattering response function of 3He is studied in the quasi-elastic peak region for momentum transfers between 500 and 700 MeV/c. A conventional description of the process leads to results at a substantial variation…

Nuclear Theory · Physics 2010-04-06 Victor D. Efros , Winfried Leidemann , Giuseppina Orlandini , Edward L. Tomusiak

Cross sections were measured for the near-threshold electrodisintegration of ^3He at momentum transfer values of q=2.4, 4.4, and 4.7 fm^{-1}. From these and prior measurements the transverse and longitudinal response functions R_T and R_L…

The method of integral transforms is first applied for studying the $^3$He longitudinal response functions. The transforms are calculated from localized bound-state-type solutions to an inhomogenous Schr\"odinger-type three-body equation.…

Nuclear Theory · Physics 2009-09-25 V. Yu. Dobretsov , V. D. Efros , Bin Shao

The inclusive 2H(3He,t) reaction has been studied at 2 GeV for energy transfers up to 500 MeV and scattering angles from 0.25 up to 4 degrees. Data are well reproduced by a model based on a coupled-channel approach for describing the NN and…

A detailed study of the 4He longitudinal response function R_L(\omega,q) is performed at different kinematics, with particular emphasis on the role of three-nucleon forces. The effects shown are the results of an ab initio calculation where…

Nuclear Theory · Physics 2009-12-14 Sonia Bacca , Nir Barnea , Winfried Leidemann , Giuseppina Orlandini

We have measured the reaction p + d -> 3He + eta at a proton beam energy of 980 MeV, which is 88.5 MeV above threshold using the new ``germanium wall'' detector system. A missing--mass resolution of the detector system of 2.6% was achieved.…

We report on a consistent, microscopic calculation of the bound and scattering states in the 4He system employing modern realistic two-nucleon and three-nucleon potentials in the framework of the resonating group model (RGM). We present for…

Nuclear Theory · Physics 2007-05-23 Hartmut M. Hofmann , Gerald M. Hale

An ab-initio calculation of the 4He(e,e') inelastic longitudinal response function R_L is presented. Realistic two- and three-body forces are used. The four-body continuum dynamics is treated rigorously with the help of the Lorentz integral…

Nuclear Theory · Physics 2009-03-04 Sonia Bacca , Nir Barnea , Winfried Leidemann , Giuseppina Orlandini

A new method for studying the many-body response functions is elaborated and first applied to the $^3$He longitudinal response. An integral transform of the response function is calculated from the bound-state-type equations for several…

Nuclear Theory · Physics 2007-05-23 V. Yu. Dobretsov , V. D. Efros , Bin Shao

A study of the $\eta$-3N interaction in the energy region near the $\eta$-^3H elastic scattering threshold is presented. The calculational scheme is based on the four-body scattering formalism. A manageable form of the integral equations is…

Nuclear Theory · Physics 2017-08-23 A. Fix , H. Arenhoevel

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

Response functions, differential cross sections and total cross sections for several (anti)neutrino induced reactions on 2H, 3He and 3H are calculated in momentum space for (anti)neutrino energies up to 160 MeV, using the AV18…

Nuclear Theory · Physics 2020-01-01 J. Golak , R. Skibinski , K. Topolnicki , H. Witala , A. Grassi , H. Kamada , L. E. Marcucci

Inclusive electromagnetic reactions in few-nucleon systems are studied basing on accurate three- and four-body calculations. The longitudinal 4He(e,e') response function obtained at q\le 600 MeV/c completely agrees with experiment. The…

Nuclear Theory · Physics 2009-10-31 V. D. Efros , W. Leidemann , G. Orlandini , E. L. Tomusiak

The n-3H and p-3He elastic phase-shifts below the trinucleon disintegration thresholds are calculated by solving the 4-nucleon problem with three different realistic nucleon-nucleon interactions (the I-N3LO model by Entem and Machleidt, the…

Nuclear Theory · Physics 2015-05-30 M. Viviani , A. Deltuva , R. Lazauskas , J. Carbonell , A. C. Fonseca , A. Kievsky , L. E. Marcucci , S. Rosati

Measurements of the transverse polarization coefficient Kyy' for the reaction 3H(p,n)3He are reported for outgoing neutron energies of 1.94, 5.21, and 5.81 MeV. This reaction is important both as a source of polarized neutrons for nuclear…

Nuclear Experiment · Physics 2009-10-30 W. S. Wilburn , C. R. Gould , G. M. Hale , P. R. Huffman , C. D. Keith , N. R. Roberson , W. Tornow
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