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Träfflista för sökning "WFRF:(Hugo Martin) srt2:(1996-1999)"

Sökning: WFRF:(Hugo Martin) > (1996-1999)

  • Resultat 11-13 av 13
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11.
  • Mukha, I., et al. (författare)
  • Observation of the Li-11(beta d) decay
  • 1996
  • Ingår i: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. - : Elsevier BV. - 0370-2693. ; 367:1-4, s. 65-69
  • Tidskriftsartikel (refereegranskat)abstract
    • Experimental data from the decay of Li-11 show for the first time the presence of beta-delayed deuterons with a branching ratio larger than 10(-4). To distinguish between beta d and beta t events the decays of the daughter nuclei Li-9 and Li-8 were identified in the energy and decay time spectra. Furthermore, a time correlation analysis between the beta d events and the subsequent daughter decays was performed.
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12.
  • Mukha, I., et al. (författare)
  • Super-strong beta-decay of Li-11 into Be-11* (18 MeV) state: A probe for halo p-wave component?
  • 1997
  • Ingår i: Nuclear Physics A. - 0375-9474. ; 616:1-2, s. C201-C207
  • Konferensbidrag (refereegranskat)abstract
    • An experimental study of beta-delayed charged particles (H, He, Be), neutrons and gamma-rays that follow the Li-11 beta-decay, clearly indicates a beta-feeding to an exited state at 18.1 MeV in Be-11 with a large Gamow-Teller strength, B-GT greater than or equal to 1.0. The large strength of this beta-transition implies a broad overlap of the Be-11* state at 18.1 MeV and the ground state of Li-11. The deduced width of this resonance is similar or equal to 1 MeV. A strong suppression of the branch from 18.1 MeV state into the Be-10+n channel is observed. This branch, with the largest decay energy, has a partial width less than 1% of the total width. A centrifugal barrier consideration fails to explain this effect. A possible consequence of the observed effect for the Li-11 structure is that the admixture of (p(1/2))(2) configuration in Li-11 might be small.
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13.
  • Nilsson, Thomas, 1965, et al. (författare)
  • He-6 and neutron momentum distributions from He-8 in nuclear break-up reactions at 240 MeV/u
  • 1996
  • Ingår i: Nuclear Physics A. - 0375-9474. ; 598:3, s. 418-434
  • Tidskriftsartikel (refereegranskat)abstract
    • Neutron and He-6 momentum distributions from He-8 break-up reactions in a C target have been measured at 240 MeV/u. The two-neutron removal cross section was found to be sigma(-2n) = 0.27 +/- 0.03 b. The nature of the momentum distributions is interpreted in some simple reaction scenarios.
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  • Resultat 11-13 av 13

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