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First measurement of the helicity dependence of 3He photoreactions in the Δ(1232)Δ(1232) resonance region
- Source :
- Physics Letters B, Physics Letters B, Elsevier, 2013, 723 (1-3), pp.71-77. ⟨10.1016/j.physletb.2013.04.057⟩
- Publication Year :
- 2013
- Publisher :
- HAL CCSD, 2013.
-
Abstract
- International audience; The first measurement of the helicity dependence of the total inclusive 3He photo-absorption cross section and of the partial cross sections for several reaction channels was carried out at MAMI (Mainz) in the photon energy range between 150 and 500 MeV. The experiment used the large acceptance Crystal Ball spectrometer, complemented by charged particle and vertex detectors, a circularly polarised tagged photon beam and a longitudinally polarised high-pressure 3He gas target. The results obtained give information on the GDH integral on 3He and on the neutron and allow an investigation of the modifications of nucleon properties inside 3He.
- Subjects :
- Nuclear Theory
Nuclear Experiment
Subjects
Details
- Language :
- English
- ISSN :
- 03702693
- Database :
- OpenAIRE
- Journal :
- Physics Letters B, Physics Letters B, Elsevier, 2013, 723 (1-3), pp.71-77. ⟨10.1016/j.physletb.2013.04.057⟩
- Accession number :
- edsair.dedup.wf.001..10c80bf1f2cd2d002b0a0a955d2ce7c3
- Full Text :
- https://doi.org/10.1016/j.physletb.2013.04.057⟩