Matches in SemOpenAlex for { <https://semopenalex.org/work/W1857807748> ?p ?o ?g. }
- W1857807748 abstract "The 112,120Sn(gamma,gamma') reactions below the neutron separation energies have been studied at the superconducting Darmstadt electron linear accelerator S-DALINAC for different endpoint energies of the incident bremsstrahlung spectrum. Dipole strength distributions are extracted for 112Sn up to 9.5 MeV and for 120Sn up to 9.1 MeV. A concentration of dipole excitations is observed between 5 and 8 MeV in both nuclei. Missing strength due to unobserved decays to excited states is estimated in a statistical model. A fluctuation analysis is applied to the photon scattering spectra to extract the amount of the unresolved strength hidden in background due to fragmentation. The strength distributions are discussed within different model approaches such as the quasiparticle-phonon model and the relativistic time blocking approximation allowing for an inclusion of complex configurations beyond the initial particle-hole states. While a satisfactory description of the fragmentation can be achieved for sufficently large model spaces, the predicted centroids and total electric dipole strengths for stable tin isotopes strongly depend on the assumptions about the underlying mean field." @default.
- W1857807748 created "2016-06-24" @default.
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- W1857807748 date "2014-08-11" @default.
- W1857807748 modified "2023-10-01" @default.
- W1857807748 title "Low-energy dipole strength in<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mmultiscripts><mml:mi mathvariant=normal>Sn</mml:mi><mml:mprescripts /><mml:none /><mml:mrow><mml:mn>112</mml:mn><mml:mo>,</mml:mo><mml:mn>120</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>" @default.
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