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Proposal to PAC 21

Proposal to PAC 21

Proposal to PAC 21: The Electric Form Factor of the Neutron at Q2=2.40 (GeV/c)2 .

R. Madey: PAC21 Talk

Goals
World Polarization Data: Gen vs Q^2
Gen vs Q^2 with Data Extracted from Deuteron Quadrupole Form-Factor
Motivations
Neutron Charge Density (J.J. Kelly Preprint)
Sensitivity of Neutron Charge Density to High Q^2(J.J. Kelly)
Gep vs Q^2 for Some Models
Gen vs Q^2 for Some Models
Gep, Gen vs Q^2; Gep/Gen
Effect of Gen on IS & IV Cross Sections at Q^2=2.4 (GeV/c)^2
Polarimeter
Kinematics
Projected Statistical Uncertainty in Gen (610h Request)
Footprint in Hall C
ToF Spectra at Q^2=1.15 (GeV/c)^2
Asymmetries (+/- 40 deg) & Ratio at Q^2=1.47 (GeV/c)^2
Suppression of Pion Production (Invariant Mass Spectra)
Beam Time Request (610 h)
Polarimeter with Converters in Rear Array
Gain in FOM vs Thickness (cm) of Each Fe Converter
Beam Time Request (240 h)