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Radiative fusion from very symmetric reactions: the giant dipole resonance in the 179Au nucleus

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Title: Radiative fusion from very symmetric reactions: the giant dipole resonance in the 179Au nucleus
Authors: Camera, F.1 franco.camera@mi.infn.it, Bracco, A.1, Nanal, V.2,3, Carpenter, M.P.2, Della Vedova, F.1, Leoni, S.1, Million, B.1, Mantovani, S.1, Pignanelli, M.1, Wieland, O.1, Back, B.B.2, Heinz, A.M.2, Janssens, R.V.F.2, Jenkins, D.2, Khoo, T.L.2, Kondev, F.G.2, Lauritsen, T.2, Lister, C.J.2, McClintock, B.2, Mitsuoka, S.2
Source: Physics Letters B. May2003, Vol. 560 Issue 3/4, p155. 6p.
Subjects: Spectrum analysis, High energy radiotherapy
Abstract: The spectra of high-energy γ rays emitted by the Giant Dipole Resonance (GDR) built on moderately excited states associated with the evaporation of 0, 1 and 2 nucleons were measured in the 90Zr + 89Y symmetric fusion reaction. The radiative fusion data suggest statistical emission from the compound nucleus. In addition, the analysis of the high-energy γ-ray spectra associated with the different evaporation channels at the present temperature of 0.7 MeV and spin range 15–20 ℎ show a fairly narrow width of 5.0±0.35 MeV. This value is smaller than what would be expected in a nucleus where shell effects do not play a role. [Copyright &y& Elsevier]
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Database: Engineering Source
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