Measurement of the Neutron electric form factor at Q2=0.8 2(GeV\\c)

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Nucleon form factors allow a sensitive test for models of the nucleon. Recent experiments utilising polarisation observables have resulted, for the first time, in a model-independent determination of the neutron electric form factor GnE. This method employed an 80% longitudinally polarised, high intensity (10 uA) electon beam (883 MeV) that was quasi-elastically scattered off a liquid deuterium target in the reaction D (e, en)p. A neutron polarimeter was designed and installed to measure the ratio of transverse-to-longitudinal polarisation using neutron scattering asymmetries. This ratio allowed a determination of the neutron elastic form factor, GnE, free of the previous large systematic ... continued below

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Glazier, Derek September 30, 2007.

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Nucleon form factors allow a sensitive test for models of the nucleon. Recent experiments utilising polarisation observables have resulted, for the first time, in a model-independent determination of the neutron electric form factor GnE. This method employed an 80% longitudinally polarised, high intensity (10 uA) electon beam (883 MeV) that was quasi-elastically scattered off a liquid deuterium target in the reaction D (e, en)p. A neutron polarimeter was designed and installed to measure the ratio of transverse-to-longitudinal polarisation using neutron scattering asymmetries. This ratio allowed a determination of the neutron elastic form factor, GnE, free of the previous large systematic uncertainties associated with the deuterium wave function. The experiment took place in the A1 experimental hall at MAMI taking advantage of a high resolution magnetic spectrometer. A detailed investigation was carried out into the performance of the neutron polarimeter.

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  • Report No.: JLAB-PHY-03-86
  • Report No.: DOE/ER/40150-4372
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 917709
  • Archival Resource Key: ark:/67531/metadc888067

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Office of Scientific & Technical Information Technical Reports

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  • September 30, 2007

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  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 22, 2016, 1:18 p.m.

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Glazier, Derek. Measurement of the Neutron electric form factor at Q2=0.8 2(GeV\\c), thesis or dissertation, September 30, 2007; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc888067/: accessed September 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.