The neutron charge form factor at low Q2

Ricardo Alarcon, E. Geis, M. Kohl, R. Milner, V. Ziskin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Measurement of the charge form factor of the neutron GE n presents a sensitive test of nucleon models and QCD-inspired theories. In particular, the pion cloud is expected to play a dominant role in the low-momentum transfer region of GE n. At the MIT-Bates Linear Accelerator Center, GE n has been measured by means of (e,e') quasielastic scattering of polarized electrons from vector-polarized deuterium. The experiment used the longitudinally polarized stored electron beam of the MIT-Bates South Hall Ring along with an isotopically pure, highly vector-polarized internal atomic deuterium target provided by an atomic beam source. The measurements have been carried out with the symmetric Bates Large Acceptance Spectrometer Toroid (BLAST) with enhanced neutron detection capability. From the beam-target double polarization asymmetry with the target spin oriented perpendicular to the momentum transfer the form factor G E n is extracted over a range of four-momentum transfer Q2 between 0.12 and 0.70 (GeV/c)2 with minimized model dependencies.

Original languageEnglish (US)
Title of host publicationAIP Conference Proceedings
Pages315-317
Number of pages3
Volume842
DOIs
StatePublished - 2006
EventPARTICLES AND NUCLEI: Seventeenth Internatinal Conference on Particles and Nuclei - Santa Fe, NM, United States
Duration: Oct 23 2005Oct 30 2005

Other

OtherPARTICLES AND NUCLEI: Seventeenth Internatinal Conference on Particles and Nuclei
CountryUnited States
CitySanta Fe, NM
Period10/23/0510/30/05

Fingerprint

momentum transfer
form factors
neutrons
deuterium
toroids
atomic beams
linear accelerators
acceptability
pions
quantum chromodynamics
asymmetry
electron beams
spectrometers
rings
polarization
scattering
electrons

Keywords

  • Electron scattering
  • Nucleon from factors
  • Polarization

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Alarcon, R., Geis, E., Kohl, M., Milner, R., & Ziskin, V. (2006). The neutron charge form factor at low Q2 In AIP Conference Proceedings (Vol. 842, pp. 315-317) https://doi.org/10.1063/1.2220256

The neutron charge form factor at low Q2 . / Alarcon, Ricardo; Geis, E.; Kohl, M.; Milner, R.; Ziskin, V.

AIP Conference Proceedings. Vol. 842 2006. p. 315-317.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Alarcon, R, Geis, E, Kohl, M, Milner, R & Ziskin, V 2006, The neutron charge form factor at low Q2 in AIP Conference Proceedings. vol. 842, pp. 315-317, PARTICLES AND NUCLEI: Seventeenth Internatinal Conference on Particles and Nuclei, Santa Fe, NM, United States, 10/23/05. https://doi.org/10.1063/1.2220256
Alarcon R, Geis E, Kohl M, Milner R, Ziskin V. The neutron charge form factor at low Q2 In AIP Conference Proceedings. Vol. 842. 2006. p. 315-317 https://doi.org/10.1063/1.2220256
Alarcon, Ricardo ; Geis, E. ; Kohl, M. ; Milner, R. ; Ziskin, V. / The neutron charge form factor at low Q2 AIP Conference Proceedings. Vol. 842 2006. pp. 315-317
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