"Strange-quark contributions to parity-violating asymmetries in the for" by D. S. Armstrong, Angela Biselli et al.
 

Document Type

Article

Article Version

Publisher's PDF

Publication Date

2005

Abstract

We have measured parity-violating asymmetries in elastic electron-proton scattering over the range of momentum transfers 0.12≤Q2≤1.0  GeV2. These asymmetries, arising from interference of the electromagnetic and neutral weak interactions, are sensitive to strange-quark contributions to the currents of the proton. The measurements were made at Jefferson Laboratory using a toroidal spectrometer to detect the recoiling protons from a liquid hydrogen target. The results indicate nonzero, Q2 dependent, strange-quark contributions and provide new information beyond that obtained in previous experiments.

Comments

Copyright American Physical Society

Publisher final version available at http://prl.aps.org/abstract/PRL/v95/i9/e092001

Publication Title

Physical review letters

Published Citation

Armstrong, D. S., et al. "Strange-quark contributions to parity-violating asymmetries in the forward G0 electron-proton scattering experiment." Physical review letters 95.9 (2005): 092001. DOI: 10.1103/PhysRevLett.95.092001

DOI

10.1103/PhysRevLett.95.092001

Peer Reviewed

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