Parity violation in quasielastic electron-nucleus scattering within the relativistic impulse approximation
Abstract
We study parity violation in quasielastic electron-nucleus scattering using the relativistic impulse approximation. Different fully relativistic approaches have been considered to estimate the effects associated with the final-state interactions. We have computed the parity-violating quasielastic (PVQE) asymmetry and have analyzed its sensitivity to the different ingredients that enter into the description of the reaction mechanism: final-state interactions, nucleon off-shellness effects, and current gauge ambiguities. Particular attention has been paid to the description of the weak neutral current form factors. The PVQE asymmetry is proven to be an excellent observable when the goal is to get precise information on the axial-vector sector of the weak neutral current. Specifically, from measurements of the asymmetry at backward scattering angles good knowledge of the radiative corrections entering in the isovector axial-vector sector can be gained. Finally, scaling properties shown by the interference γ - Z nuclear responses are also analyzed.
- Authors:
-
- Univ. de Sevilla, Sevilla (Spain). Dept. de Física Atómica, Molecular y Nuclear; Ghent Univ., Ghent (Belguim). Dept. of Physics and Astronomy
- Univ. de Sevilla, Sevilla (Spain). Dept. de Física Atómica, Molecular y Nuclear
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Center for Theoretical Physics, Lab. for Nuclear Science and Dept. of Physics
- Publication Date:
- Research Org.:
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1505758
- Alternate Identifier(s):
- OSTI ID: 1180951
- Grant/Contract Number:
- FG02-94ER40818
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review. C, Nuclear Physics
- Additional Journal Information:
- Journal Volume: 91; Journal Issue: 4; Journal ID: ISSN 0556-2813
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
González-Jiménez, R., Caballero, J. A., and Donnelly, T. W. Parity violation in quasielastic electron-nucleus scattering within the relativistic impulse approximation. United States: N. p., 2015.
Web. doi:10.1103/physrevc.91.045502.
González-Jiménez, R., Caballero, J. A., & Donnelly, T. W. Parity violation in quasielastic electron-nucleus scattering within the relativistic impulse approximation. United States. https://doi.org/10.1103/physrevc.91.045502
González-Jiménez, R., Caballero, J. A., and Donnelly, T. W. Mon .
"Parity violation in quasielastic electron-nucleus scattering within the relativistic impulse approximation". United States. https://doi.org/10.1103/physrevc.91.045502. https://www.osti.gov/servlets/purl/1505758.
@article{osti_1505758,
title = {Parity violation in quasielastic electron-nucleus scattering within the relativistic impulse approximation},
author = {González-Jiménez, R. and Caballero, J. A. and Donnelly, T. W.},
abstractNote = {We study parity violation in quasielastic electron-nucleus scattering using the relativistic impulse approximation. Different fully relativistic approaches have been considered to estimate the effects associated with the final-state interactions. We have computed the parity-violating quasielastic (PVQE) asymmetry and have analyzed its sensitivity to the different ingredients that enter into the description of the reaction mechanism: final-state interactions, nucleon off-shellness effects, and current gauge ambiguities. Particular attention has been paid to the description of the weak neutral current form factors. The PVQE asymmetry is proven to be an excellent observable when the goal is to get precise information on the axial-vector sector of the weak neutral current. Specifically, from measurements of the asymmetry at backward scattering angles good knowledge of the radiative corrections entering in the isovector axial-vector sector can be gained. Finally, scaling properties shown by the interference γ - Z nuclear responses are also analyzed.},
doi = {10.1103/physrevc.91.045502},
journal = {Physical Review. C, Nuclear Physics},
number = 4,
volume = 91,
place = {United States},
year = {Mon Apr 13 00:00:00 EDT 2015},
month = {Mon Apr 13 00:00:00 EDT 2015}
}
Web of Science
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