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Related papers: Electromagnetic Reactions and Few-Nucleon Dynamics

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An experimental program for the study of the cluster structures of excited states for the light nuclei of He, Li and Be in three-body photodisintegration processes is proposed. The investigations will be realized with 6Li, 7Li and 9Be…

Nuclear Experiment · Physics 2012-09-11 N. Demekhina , H. Hakobyan , Zh. Manukyan , A. Sirunyan , H. Vartapetian

A four-nucleon calculation of the total ^4He photodisintegration cross section is performed. The full final-state interaction is taken into account for the first time. This is achieved via the method of the Lorentz integral transform.…

Nuclear Theory · Physics 2009-10-30 V. D. Efros , W. Leidemann , G. Orlandini

We present an estimate of the nuclear electric polarizability of the 6He halo nucleus based on six-body microscopic calculations. Wave functions are obtained from semi-realistic two-body interactions using the hyperspherical harmonics…

Nuclear Theory · Physics 2015-06-11 Raymond Goerke , Sonia Bacca , Nir Barnea

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

Novel equations for the electric dipole polarizability $\alpha_{_{E1}}$ of low-lying excited states in atomic nuclei -- and the related $(-2)$ moment of the total photo-absorption cross section, $\sigma_{_{-2}}$ -- are inferred in terms of…

Nuclear Theory · Physics 2024-03-12 José Nicolás Orce , Cebo Ngwetsheni

The continuum-discretized coupled-channels (CDCC) method is used to study the breakup of weakly-bound nuclei at intermediate energies collisions. For large impact parameters, the Eikonal CDCC (E-CDCC) method was applied. The effects of…

Nuclear Theory · Physics 2014-11-20 Kazuyuki Ogata , C. A. Bertulani

Nucleon recoil polarization observables in $(e,e'\vec{p})$ reactions are investigated using a semi-relativistic distorted-wave model which includes one- and two-body currents with relativistic corrections. Results for the induced…

Nuclear Theory · Physics 2008-11-26 F. Kazemi Tabatabaei , J. E. Amaro , J. A. Caballero

Our current understanding of the structure of nuclei with up to A=8, including energy spectra, electromagnetic form factors, and capture reactions, is critically reviewed within the context of a realistic approach to nuclear dynamics based…

Nuclear Theory · Physics 2008-11-26 R. Schiavilla

Processes of direct cluster photodisintegration of 4He nucleus into p3H and n3He channels are considered on the base of two-cluster potential models. Intercluster interactions being in agreement with elastic scattering phase shifts and…

Nuclear Theory · Physics 2014-08-19 S. B. Dubovichenko

In a series of papers, cited in the main body of the paper below, detailed calculations have been presented which show that electromagnetic and weak interactions can induce low energy nuclear reactions to occur with observable rates for a…

Nuclear Theory · Physics 2008-10-02 Y. N. Srivastava , A. Widom , L. Larsen

Reaction and elastic differential cross sections are calculated for light nuclei in the framework of the Glauber theory. The optical phase-shift function is evaluated by Monte Carlo integration. This enables us to use the most accurate wave…

Nuclear Theory · Physics 2008-11-26 Kalman Varga , Steven C. Pieper , Y. Suzuki , R. B. Wiringa

A linked cluster expansion for the distorted one-body mixed density matrix is obtained within the Glauber multiple scattering theory with correlated wave functions. The nuclear transparency for 16O is calculated using realistic central and…

Nuclear Theory · Physics 2007-05-23 C. Ciofi degli Atti , H. Morita , D. Treleani

The status of "ab initio" microscopic calculations of the 2H(p,gamma)3He and 3He(p,e+nu_e)4He reactions is reviewed. The methods used to generate accurate nuclear ground- and scattering-state wave functions, and to construct realistic…

Nuclear Theory · Physics 2014-11-18 R. Schiavilla

An exact calculation of the photodisintegration cross section of 3H, 3He and 4He is performed using as interaction the correlated Argonne V18 potential, constructed within the Unitary Correlation Operator Method (VUCOM). Calculations are…

Nuclear Theory · Physics 2016-09-08 Sonia Bacca

After a brief review of the theoretical description of nuclei based on nonrelativistic many-body theory and realistic hamiltonians, these lectures focus on its application to the analysis of the electroweak response. Special emphasis is…

Nuclear Theory · Physics 2015-05-13 Omar Benhar

Nucleon properties are modified in the nuclear medium. To understand these modifications and their origin is a central issue in nuclear physics. For example, a wide variety of QCD-based models, including quark-meson coupling and…

Nuclear Experiment · Physics 2010-12-21 S. Strauch , S. Malace , M. Paolone

Recent results from the LPI experiment on searching for eta-mesic nuclei in photoreactions are discussed and further perspectives are summarized.

Nuclear Experiment · Physics 2017-08-23 G. A. Sokol , A. I. L'vov , L. N. Pavlyuchenko

The photodisintegration of the 6Li nucleus through the channels 3He3H, 4He2H and the corresponding radiative capture are considered in simple two-cluster models. Potentials with forbidden states which reproduce the phase shifts of elastic…

Nuclear Theory · Physics 2014-08-19 S. B. Dubovichenko , A. V. Dzhazairov-Kakhramanov

A variety of phenomena, which reveal itself in distant collisions of ultrarelativistic nuclei is discussed. One or both nuclei may be disintegrated in a single collision event by the long-range electromagnetic forces due to the impact of…

Nuclear Theory · Physics 2007-05-23 I. A. Pshenichnov

In explosive stellar environments like supernovae, the temperatures are high enough for the production of heavy neutron-deficient nuclei, the socalled p-nuclei. Up to now, the knowledge of the reaction rates of p-nuclei is based on…