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Träfflista för sökning "WFRF:(Suzuki C) srt2:(1995-1999)"

Sökning: WFRF:(Suzuki C) > (1995-1999)

  • Resultat 1-9 av 9
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1.
  • Aleksandrov, D., et al. (författare)
  • Invariant mass spectrum and alpha-n correlation function studied in the fragmentation of He-6 on a carbon target
  • 1998
  • Ingår i: Nuclear Physics A. - 0375-9474. ; 633:2, s. 234-246
  • Tidskriftsartikel (refereegranskat)abstract
    • Momentum distributions and invariant mass spectra from the breakup of He-6 ions with an energy of 240 MeV/u interacting with a carbon target have been studied. The data were used to extract information about the reaction mechanism which is influenced by the structure of He-6. It is found that the dominant reaction mechanism is a two-step process: knock out of one neutron followed by the decay of the He-5 resonance. The shape of the (alpha+n) two-body invariant mass spectrum is interpreted as mainly reflecting the 5He ground state which is a J(pi) = 3/2(-) resonance. However, no evidence for correlations between cu particles and neutrons is observed in the momentum widths of the distributions. It is demonstrated that a combined analysis of the two-body invariant mass spectrum and an appropriate correlation function may be used to determine the properties of the intermediate resonance. (C) 1998 Elsevier Science B.V.
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2.
  • Baumann, T., et al. (författare)
  • Longitudinal momentum distributions of C-16,C-18 fragments after one-neutron removal from C-17,C-19
  • 1998
  • Ingår i: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. - 0370-2693. ; 439:3-4, s. 256-261
  • Tidskriftsartikel (refereegranskat)abstract
    • The fragment separator FRS at GSI was used as an energy-loss spectrometer to measure the longitudinal momentum distributions of C-16,C-18 fragments after one-neutron removal reactions in C-17,C-19 impinging on a carbon target at about 910 MeV/u. The distributions in the projectile frames are characterized by a FWHM of 141 +/- 6 MeV/c for C-16 and 69 +/- 3 MeV/c for C-18. Th, results are compared with experimental data obtained at lower energies and discussed within existing theoretical models. (C) 1998 Elsevier Science B.V. AU rights reserved.
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3.
  • Chulkov, L. V., et al. (författare)
  • Large spin alignment of the unbound He-5 fragment after fragmentation of 240 MeV/nucleon He-6
  • 1997
  • Ingår i: Physical Review Letters. - 1079-7114 .- 0031-9007. ; 79:2, s. 201-204
  • Tidskriftsartikel (refereegranskat)abstract
    • Peripheral fragmentation of a 240 MeV/nucleon beam of the halo nucleus He-6 incident on carbon target has been studied in a kinematically complete experiment. It is found that one-neutron stripping to the unbound nucleus He-5 is the dominant fragmentation mechanism and that it leads to a spin alignment of He-5 in a plane perpendicular to the He-5 momentum vector. This is expected to be a common feature for all neutron halo nuclei.
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  • Resultat 1-9 av 9

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