Neutron density distribution and neutron skin thickness ofPb208

Abstract

We present and discuss numerical predictions for the neutron density distribution of 208 Pb using various non-relativistic and relativistic mean-field models for the nuclear structure. Our results are compared with the very recent pion photoproduction data from Mainz. The parity-violating asymmetry parameter for elastic electron scattering at the kinematics of the PREX experiment at JLab and the neutron skin thickness are compared with the available data. We consider also the dependence between the neutron skin and the parameters of the expansion of the symmetry energy.

First measurement of the Ti(e,e′)X cross section at Jefferson Lab

“…The description based on the IA and the spectral function formalism [12] has been successful in describing inclusive electron-scattering data in a variety of kinematic regimes [13][14][15], and has recently been be extended to the analysis of neutrino scattering [16][17][18][19]. However, due to the scarcity of available inclusive cross sections for argon and titanium, theoretical models of nuclear effects in electroweak interactions [20][21][22][23][24][25][26] cannot be currently validated in the kinematical region relevant for neutrino experiments.…”

Inclusive and exclusive electron scattering data analysis from Jefferson Lab experiment E12-14-012

“…This asymmetry is of fundamental importance for the CP-violation measurement in DUNE, to be based on analysis of the difference between the neutrino and antineutrino event distributions. Availability of a new precise dataset for electron scattering off argon is therefore vital, in order to provide a testbed and stimulate further development of theoretical models of nuclear response to electroweak interactions [52,53,57,58,59,60,61,62,63,64] in the kinematic region of interest to neutrino experiments.…”

“…However, due to the scarcity of available inclusive cross sections for argon and titanium, theoretical models of nuclear effects in electroweak interactions [58,59,60,61,62,63,64] cannot be currently validated in the kinematical region relevant for neutrino experiments.…”

Measurement of the (e,e') cross section for12C, 48Ti, 27Al and 40Ar

“…However, due to the scarcity of available inclusive cross sections for argon and titanium, theoretical models of nuclear effects in electroweak interactions [48,49,50,51,52,53,54] cannot be currently validated in the kinematical region relevant for neutrino experiments.…”

“…This asymmetry is of fundamental importance for the CP-violation measurement in DUNE, to be based on analysis of the difference between the neutrino and antineutrino event distributions. Availability of a new precise dataset for electron scattering off argon is therefore vital, in order to provide a testbed and stimulate further development of theoretical models of nuclear response to electroweak interactions [42,43,47,48,49,50,51,52,53,54] in the kinematic region of interest to neutrino experiments.…”