The t+n+n system and 5H

Summary, in English

The one-proton knockout channel from 6He (240 MeV/u) impinging on a carbon target has been investigated. The triton fragments originating from this channel were detected in coincidence with the two neutrons. A broad structure, peaked at 3 MeV above the t+2n threshold, is observed in the t+n+n-relative energy spectrum. It is shown that this structure is mainly due to a I(pi)=1/2(+) resonance as expected for the 5H ground state, and from the observed angular and energy correlations, being used for the first time in 5H studies, that the neutrons to a large extent occupy the p shell.

• Författare: M Meister; L V Chulkov; H Simon; T Aumann; M J G Borge; Th W Elze; H Emling; H Geissel; Margareta Hellström; B Jonson; J V Kratz; R Kulessa; Y Leifels; Karin Markenroth Bloch; G Munzenberg; F Nickel; T Nilsson; G Nyman; V Pribora; A Richter
• Publiceringsår: 2003
• Språk: Engelska
• Publikation/Tidskrift/Serie: Physical Review Letters
• Volym: 91
• Issue: 16
• Länkar: http://dx.doi.org/10.1103/PhysRevLett.91.162504
• Dokumenttyp: Artikel i tidskrift
• Förlag: American Physical Society
• Status: Published
• ISBN/ISSN/Övrigt: ISSN: 1079-7114