Excitation of soft dipole modes in electron scattering

Abstract

The excitation of soft dipole modes in light nuclei via inelastic electron scattering is investigated. We show that, under the proposed conditions of the forthcoming electron-ion colliders, the

Indirect techniques in nuclear astrophysics: a review

“…In the three-body model, the maximum is thus predicted at E ∼ 1.8S 2n , which fits the experimentally determined peak position for three-body breakup. For example the 11 Li E1 strength function is very well reproduced with this direct breakup model (Bertulani 2007). The effect of three-body configurations is to widen and to shift the strength function dB(E1)/dE to higher energies, as shown in figure 34.…”

“…The comparison of these results with RPA calculations by Klimkiewicz et al (2007) served to constrain the symmetry energy and the symmetryenergy pressure in the EOS, as well as the neutron-skin of Sn isotopes and of 208 Pb. The low-lying E1 strength in 68 Ni was measured with this technique by Wieland et al (2009), revealing 5% of the E1 energy-weighted sum-rule strength Comparison between the calculation of the response function (in arbitrary units) with a three-body model (dashed line) as reported by Bertulani (2007). The solid curve includes the effects of final state interactions.…”

And there was light

“…Fermi's virtual photon idea is popular in atomic, nuclear and particle physics, being described in classical [4,7] and quantum mechanics textbooks. The expressions for the number of equivalent photons (EPN) derived by Fermi, Weizsäcker and Williams have been improved along the years to include the virtual photon multipolarity [15,16], projectile spin content [17], and collision geometry corrections [18,19]. Expression 5 can now be written as [10] …”

Nuclear physics at the SCRIT electron scattering facility

“…It is well known that the inelastic electron scattering cross section at the forward angle, θ ∼ 0, offers the same information as nuclear excitation by real photons [18,19]. We intend to measure the 9/11 PTEP 2012, 03C008…”