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Isoscalar quadrupole giant resonance in208Pb: A statistical analysis of high-resolution inelastic electron scattering spectra (1987)

Kilgus, G. ; Kühner, G. ; Müller, S. ; [weitere]

Springer

The European physical journal 326 (1987), S. 41-50

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Details

ISSN: 1434-601X

Schlagwort(e): 24.60.−k ; 25.30.Fj ; 27.80.+w

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract The fine structure observed in high resolution inelastic electron scattering spectra for208Pb in the excitation energy range of the isoscalar giant quadrupole resonance has been analysed with a fluctuation analysis technique. The obtained density of levels as a function of excitation energyE x has then been used as a constraint for the shape and magnitude of the (radiative) background subtracted spectra subjected to a multipole decomposition. The derivedE2 strength in the region 8.0≦E x≦11.5 MeV exhausts (50 −7 +15 % of the energy weighted sum rule. TheE2 strength found is considerably larger than previously estimated from the same spectra and it is now both in shape and magnitude in good agreement with results from a recent208Pb(e, e′n) coincidence experiment.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01294569

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