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Global analysis of parity-violating asymmetry data for elastic electron scattering

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Abstract
We perform a statistical analysis of the full set of parity-violating asymmetry data for elastic electron scattering including the most recent high precision measurement from Q-weak. Given the basis of the present analysis, our estimates appear to favor nonzero vector strangeness, specifically, positive (negative) values for the electric (magnetic) strange form factors. We also provide an accurate estimate of the axial-vector nucleon form factor at zero momentum transfer, G(A)(ep)(0). Our study shows G(A)(ep)(0) to be importantly reduced with respect to the currently accepted value. We also find our analysis of data to be compatible with the Standard Model values for the weak charges of the proton and neutron.
Keywords
NUCLEON STRANGE, ANAPOLE FORM-FACTORS

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Citation

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Chicago
González Jiménez, Raúl, JA Caballero, and TW Donnelly. 2014. “Global Analysis of Parity-violating Asymmetry Data for Elastic Electron Scattering.” Physical Review D 90 (3).
APA
González Jiménez, R., Caballero, J., & Donnelly, T. (2014). Global analysis of parity-violating asymmetry data for elastic electron scattering. PHYSICAL REVIEW D, 90(3).
Vancouver
1.
González Jiménez R, Caballero J, Donnelly T. Global analysis of parity-violating asymmetry data for elastic electron scattering. PHYSICAL REVIEW D. 2014;90(3).
MLA
González Jiménez, Raúl, JA Caballero, and TW Donnelly. “Global Analysis of Parity-violating Asymmetry Data for Elastic Electron Scattering.” PHYSICAL REVIEW D 90.3 (2014): n. pag. Print.
@article{6845040,
  abstract     = {We perform a statistical analysis of the full set of parity-violating asymmetry data for elastic electron scattering including the most recent high precision measurement from Q-weak. Given the basis of the present analysis, our estimates appear to favor nonzero vector strangeness, specifically, positive (negative) values for the electric (magnetic) strange form factors. We also provide an accurate estimate of the axial-vector nucleon form factor at zero momentum transfer, G(A)(ep)(0). Our study shows G(A)(ep)(0) to be importantly reduced with respect to the currently accepted value. We also find our analysis of data to be compatible with the Standard Model values for the weak charges of the proton and neutron.},
  articleno    = {033002},
  author       = {Gonz{\'a}lez Jim{\'e}nez, Ra{\'u}l and Caballero, JA and Donnelly, TW},
  issn         = {1550-7998},
  journal      = {PHYSICAL REVIEW D},
  language     = {eng},
  number       = {3},
  pages        = {5},
  title        = {Global analysis of parity-violating asymmetry data for elastic electron scattering},
  url          = {http://dx.doi.org/10.1103/PhysRevD.90.033002},
  volume       = {90},
  year         = {2014},
}

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