STI Publications - View Publication #12094
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Publication Information
| Title | Constrained gamma-Z interference corrections to parity-violating electron scattering | ||||
| Abstract | We present a comprehensive analysis of gamma-Z interference corrections to the weak charge of the proton measured in parity-violating electron scattering, including a survey of existing models and a critical analysis of their uncertainties. Constraints from parton distributions in the deep-inelastic region, together with new data on parity-violating electron scattering in the resonance region, result in significantly smaller uncertainties on the corrections compared to previous estimates. At the kinematics of the Qweak experiment, we determine the gamma-Z box correction to be Re\box_{gamma-Z}^V = (5.61 +- 0.36) x 10^{-3}. The new constraints also allow precise predictions to be made for parity-violating deep-inelastic asymmetries on the deuteron. | ||||
| Author(s) | Nathan Hall, Peter Blunden, Wally Melnitchouk, Anthony Thomas, Ross Young | ||||
| Publication Date | July 2013 | ||||
| Document Type | Journal Article | ||||
| Primary Institution | Thomas Jefferson National Accelerator Facility, Newport News | ||||
| Affiliation | Theory & Comp Physics / THEORY CENTER / THEORY CENTER | ||||
| Funding Source | |||||
| Proprietary? | No | ||||
| This publication conveys | Technical Science Results | ||||
| Document Numbers |
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| Associated with an experiment | Yes | ||||
| Experiment Number(s) |
E08-016
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| Associated with EIC | No | ||||
| Supported by Jefferson Lab LDRD Funding | No |
Journal Article
| Journal Name | Physical Review D |
| Refereed | Yes |
| Volume | 88 |
| Issue | 1 |
| Page(s) | 013011 (19 pages) |
Attachments/Datasets/DOI Link
| Document(s) |
1304.7877v2.pdf
(STI Document)
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| DOI Link | |
| Dataset(s) | (none) |
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