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The saturation density of nuclear matter $\rho_0$ is a fundamental nuclear physics property that is difficult to predict from fundamental principles. The saturation density is closely related to the interior density of a heavy nucleus, such…

Nuclear Theory · Physics 2020-10-21 C. J. Horowitz , J. Piekarewicz , Brendan Reed

Parity violating electron nucleus scattering is a clean and powerful tool for measuring the spatial distributions of neutrons in nuclei with unprecedented accuracy. Parity violation arises from the interference of electromagnetic and weak…

Nuclear Theory · Physics 2014-11-18 C. J. Horowitz , S. J. Pollock , P. A. Souder , R. Michaels

Parity violating electron scattering allows model independent measurements of neutron densities that are free from most strong interaction uncertainties. In this paper we present statistical error estimates for a variety of experiments. The…

Nuclear Theory · Physics 2011-11-28 Shufang Ban , C. J. Horowitz , R. Michaels

We study the impact of nuclear structure uncertainties on a measurement of the weak charge of $^{12}\mathrm{C}$ at the future MESA facility in Mainz. Information from a large variety of nuclear models, accurately calibrated to the…

High Energy Physics - Phenomenology · Physics 2024-10-10 Matteo Cadeddu , Nicola Cargioli , Jens Erler , Mikhail Gorchtein , Jorge Piekarewicz , Xavier Roca-Maza , Hubert Spiesberger

Parity violating electron nucleus scattering is a clean and powerful tool for measuring the spatial distributions of neutrons in nuclei with unprecedented accuracy. Parity violation arises from the interference of electromagnetic and weak…

Nuclear Theory · Physics 2007-05-23 C. J. Horowitz

Measurement of the parity-violating electron scattering asymmetry is an established technique at Jefferson Lab and provides a new opportunity to measure the weak charge distribution and hence pin down the neutron radius in nuclei in a…

Nuclear Experiment · Physics 2015-06-16 C. J. Horowitz , K. S. Kumar , R. Michaels

Parity-violating electron scattering provides a model-independent determination of the nuclear weak-charge form factor that has widespread implications across such diverse areas as fundamental symmetries, nuclear structure, heavy-ion…

Nuclear Theory · Physics 2015-06-16 P. -G. Reinhard , J. Piekarewicz , W. Nazarewicz , B. K. Agrawal , N. Paar , X. Rocca-Maza

The weak mixing angle is a fundamental parameter of the electroweak theory of the standard model whose measurement in the low-energy regime is still not precisely determined. Different probes are sensitive to its value, among which atomic…

High Energy Physics - Phenomenology · Physics 2024-08-20 M. Atzori Corona , M. Cadeddu , N. Cargioli , F. Dordei , C. Giunti

Forthcoming fixed-target coherent elastic neutrino-nucleus scattering experiments aim at measurements with $\cal{O}(\text{tonne})$-scale detectors and substantially reduced systematic and statistical uncertainties. With such high quality…

High Energy Physics - Phenomenology · Physics 2023-08-30 D. Aristizabal Sierra

A new nonlocal dispersive-optical-model analysis has been carried out for neutrons and protons in $^{48}$Ca that reproduces the weak-form-factor measurement of CREX. In addition to elastic-scattering angular distributions, total and…

Nuclear Theory · Physics 2024-10-03 N. L. Calleya , M. C. Atkinson , W. H. Dickhoff

We present a feasibility study of a simultaneous sub-percent extraction of the weak charge and the weak radius of the ${}^{12}$C nucleus using parity-violating electron scattering, based on a largely model-independent assessment of the…

Parity violating elastic electron scattering on neutron-rich nuclei is described in the framework of relativistic mean-field theory. Self-consistent ground state density distributions of Ne, Na, Ni and Sn isotopes are calculated with the…

Nuclear Theory · Physics 2008-11-26 D. Vretenar , P. Finelli , A. Ventura , G. A. Lalazissis , P. Ring

The COHERENT collaboration observed coherent elastic neutrino nucleus scattering using a 14.6 kg cesium-iodide (CsI) detector in 2017 and recently published the updated results before decommissioning the detector. Here, we present the…

Nuclear Experiment · Physics 2023-08-16 M. Atzori Corona , M. Cadeddu , N. Cargioli , F. Dordei , C. Giunti , G. Masia

We report a precise measurement of the parity-violating asymmetry $A_{\rm PV}$ in the elastic scattering of longitudinally polarized electrons from $^{48}{\rm Ca}$. We measure $A_{\rm PV} =2668\pm 106\ {\rm (stat)}\pm 40\ {\rm (syst)}$…

Determining the weak charge form factor, $F_W(Q^2)$, of nuclei over a continuous range of momentum transfers, $0\lesssim Q^2 \lesssim 0.1$ GeV$^2$, is essential for mapping out the distribution of neutrons in nuclei. The neutron density…

High Energy Physics - Phenomenology · Physics 2026-03-31 Hooman Davoudiasl , Hongkai Liu , Sonny Mantry , Ethan T. Neil

Parity violating electron scattering can measure the neutron density of a heavy nucleus accurately and model independently. This is because the weak charge of the neutron is much larger then that of the proton. The Parity Radius Experiment…

Astrophysics · Physics 2017-08-23 C. J. Horowitz , J. Piekarewicz

Elastic electron scattering has been used to paint the most accurate picture of the proton distribution in atomic nuclei. Spurred by new experimental developments, it is now possible to gain valuable insights into the neutron distribution…

Nuclear Theory · Physics 2019-11-06 Junjie Yang , Jesse A. Hernandez , J. Piekarewicz

The prospects of extracting new physics signals in coherent elastic neutrino--nucleus scattering (CE$\nu$NS) processes are limited by the precision with which the underlying nuclear structure physics, embedded in the weak nuclear form…

Nuclear Theory · Physics 2023-04-27 N. Van Dessel , V. Pandey , H. Ray , N. Jachowicz

The present PREX-II and CREX experiments are measuring the rms radius of the weak charge density of $^{208}$Pb and $^{48}$Ca. We discuss the feasibility of a new parity violating electron scattering experiment to measure the surface…

Nuclear Theory · Physics 2020-12-15 Brendan Reed , Z. Jaffe , C. J. Horowitz , C. Sfienti

Coherent elastic neutrino-nucleus scattering (CE$\nu$NS), a process recently measured for the first time at ORNL's Spallation Neutron Source, is directly sensitive to the weak form factor of the nucleus. The European Spallation Source…

High Energy Physics - Phenomenology · Physics 2020-08-26 Pilar Coloma , Ivan Esteban , M. C. Gonzalez-Garcia , Javier Menendez
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