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First measurement of the helicity dependence of 3He photoreactions in the Δ(1232) resonance region


Aguar Bartolomé, P.; ...; Korolija, Milorad; ... : Supek, Ivan; ...; Werthmüller. D.
First measurement of the helicity dependence of 3He photoreactions in the Δ(1232) resonance region // Physics letters. B, B723 (2013), 71-77 doi:10.1016/j.physletb.2013.04.057 (međunarodna recenzija, članak, znanstveni)


Naslov
First measurement of the helicity dependence of 3He photoreactions in the Δ(1232) resonance region

Autori
Aguar Bartolomé, P. ; ... ; Korolija, Milorad ; ... : Supek, Ivan ; ... ; Werthmüller. D.

Izvornik
Physics letters. B (0370-2693) B723 (2013); 71-77

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Uthor supplied: 3He photo-absorption; polarisation observables; nucleon spin structure

Sažetak
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.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
098-0982887-2888 - Hadronska fizika i QCD (Ivan Supek, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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