0000000000496510

AUTHOR

J. Sanner

showing 2 related works from this author

The horizontal drift chambers for the focal plane proton-polarimeter of the 3-spectrometer setup at MAMI

2002

Abstract Large-area horizontal drift chambers have been built for use in a proton polarimeter. A gas mixture of 20% argon and 80% ethane is used. The left–right assignment is achieved by measuring the difference of the signals induced on neighboring potential wires. A spatial resolution of 300 μm is achieved.

PhysicsNuclear and High Energy PhysicsArgonProtonSpectrometerPhysics::Instrumentation and Detectorsbusiness.industrychemistry.chemical_elementPolarimeterCardinal pointOpticschemistrybusinessInstrumentationImage resolutionNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
researchProduct

Measurement of GEp/GMp via polarization transfer at Q2 = 0.4 GeV /c2

2001

The polarization transfer from longitudinally polarized electrons to protons in the elastic scattering p( e, e' p) has been measured around Q2 = 0.4 (GeV/c)2 with the three-spectrometer facility at the Mainz microtron MAMI. From this polarization transfer the ratio G Ep/(G Mp/μp) has been determined. The ratio is found to be slightly less than unity in agreement with recent results from other laboratories and from the Rosenbluth separation of cross-sections measured with unpolarized electrons.

Nuclear physicsElastic scatteringPhysicsNuclear and High Energy PhysicsHadronNuclear fusionElectronAtomic physicsPolarization (waves)MicrotronThe European Physical Journal A
researchProduct