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Träfflista för sökning "WFRF:(Chandler B) srt2:(2000-2004)"

Sökning: WFRF:(Chandler B) > (2000-2004)

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1.
  • Cooper, M. W., et al. (författare)
  • New γ transitions in 27Na from 14C on 14C
  • 2001
  • Ingår i: Nuclear Physics A. - 0375-9474. ; 682:1-4, s. 131-135
  • Tidskriftsartikel (refereegranskat)abstract
    • The neutron rich 27Na was studied at Florida State University using the 14C(14C,p) reaction at 22 MeV. The 14C target was 0.28 mg/cm2 thick. γ-γ and particle-γ, coincidences were measured using 2 four-crystal clover detectors, 7 Compton-suppressed HPGe detectors, and a particle detector telescope at 0°. The 1757, 1823, and 2219 keV transitions are likely yrast transitions in 27Na. Based on systematics of neighboring nuclei, the first two lines probably arise from the decays of the 7/2+ and 9/2+ states. The results will be discussed in terms of both the shell model and the cranked Nilsson-Strutinsky rotational model.
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2.
  • du Rietz, Rickard, et al. (författare)
  • Effective Charges in the fp Shell
  • 2004
  • Ingår i: Physical Review Letters. - 1079-7114. ; 93:22
  • Tidskriftsartikel (refereegranskat)abstract
    • Following the heavy-ion fusion-evaporation reaction S-32+Mg-24 at 95 MeV beam energy the lifetimes of analogue states in the T-z=+/-1/2 A=51 mirror nuclei Fe-51 and Mn-51 have been measured using the Cologne plunger device coupled to the GASP gamma-ray spectrometer. The deduced B(E2;27/2(-)-->23/2(-)) values afford a unique opportunity to probe isoscalar and isovector polarization charges and to derive effective proton and neutron charges, epsilon(p) and epsilon(n), in the fp shell. A comparison between the experimental results and several different large-scale shell-model calculations yields epsilon(p)similar to1.15e and epsilon(n)similar to0.80e.
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  • Tabor, S. L., et al. (författare)
  • Structure of neutron-rich s-d shell nuclei
  • 2002
  • Ingår i: Physics of Atomic Nuclei. - : Pleiades Publishing Ltd. - 1063-7788 .- 1562-692X. ; 65:4, s. 713-719
  • Tidskriftsartikel (refereegranskat)abstract
    • States in neutron-rich s-d shell nuclei were populated in the reaction of a 14C beam at Elab = 22 MeV on a 14C target. Coincidences between γ rays and either other γ rays or light charged particles were measured. γ rays in coincidence with protons established levels at 66.8, 1730, 1823, and 2219 keV in 27Na. The states are compared with calculations based on the s-d shell model and the cranked Nilsson-Strutinsky model. A number of levels in 24Ne were observed in both α-γ and α-γ-γ coincidences and are compared with shell-model calculations.
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  • Resultat 1-8 av 8

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