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Recent Results from the SAMPLE Experiment

Ito, Takeyasu M. (2004) Recent Results from the SAMPLE Experiment. In: Intersections of Particle and Nuclear Physics. AIP Conference Proceedings. No.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
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1063/1.1664216 DOIUNSPECIFIED
http://link.aip.org/link/?APCPCS/698/161/1PublisherUNSPECIFIED
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
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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