Ito, Takeyasu M. (2004) Recent Results from the SAMPLE Experiment. In: Intersections of Particle and Nuclear Physics. AIP Conference Proceedings (698). American Institute of Physics , Melville, NY, pp. 161-164. ISBN 0-7354-0169-1 http://resolver.caltech.edu/CaltechAUTHORS:20110830-102340758
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Abstract
The previous two SAMPLE experiments yielded a measurement of the axial e-N form factor G^e_A substantially different from the theoretical estimate. In order to confirm this observation, a third SAMPLE experiment was carried out at a lower beam energy of 125 MeV (Q^2 = 0.038 (GeV/c)^2) on a deuterium target. The data analysis is now at the final stage and the results are consistent with the theoretical prediction of the axial form factor G^e_A. Also, revaluation of the background dilution factor and the electromagnetic radiative correction for the 200 MeV deuterium data lead to updated results, which are also consistent with the theoretical prediction.
| Item Type: | Book Section |
|---|---|
| Additional Information: | © 2004 American Institute of Physics. Issue Date: 5 February 2004. |
| Subject Keywords: | electron-deuteron scattering, form factors (elementary particles), radiative corrections, quark-antiquark interactions, elementary particle weak interactions, electron-proton scattering, polarisation in elementary particle scattering, polarisation in nuclear reactions and scattering |
| Classification Code: | PACS: 25.30.Fj; 27.10.+h; 13.60.Hb |
| Record Number: | CaltechAUTHORS:20110830-102340758 |
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20110830-102340758 |
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| Official Citation: | Recent Results from the SAMPLE Experiment Takeyasu M. Ito and SAMPLE Collaboration, AIP Conf. Proc. 698, 161 (2004), DOI:10.1063/1.1664216 |
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. |
| ID Code: | 25162 |
| Collection: | CaltechAUTHORS |
| Deposited By: | Tony Diaz |
| Deposited On: | 08 Sep 2011 21:40 |
| Last Modified: | 26 Dec 2012 13:38 |
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