Isoscalar high-energy octupole resonance in Zr92 in inelastic electron scattering

T. Saito, Y. Fujii, K. Saito, Y. Torizuka, T. Tohei, J. Hirota

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The giant-resonance region in Zr92 has been studied by inelastic electron scattering of the effective momentum transfer range 0.65qeff 1.18 fm-1. The high-energy octupole resonance was identified at Ex=25±0.3 MeV with a width of 6.3±0.3 MeV exhausting 39±4% of the T=0 E3 energy weighted sum rule. This result is in good agreement with a recent (He3, He3') result and the recent random-phase approximation calculations, and its strength is inconsistent with the trend of low strength of the high-energy octupole resonances observed by inelastic proton scattering. NUCLEAR REACTIONS Zr92(e,e'), enriched target, E0=220 MeV, =32°-61°, q=0.65-1.18 fm-1. Measured d2ddEx up to 33 MeV in excitation energy; deduced excitation energy, width, sum rule exhaustion of isoscalar high-energy octupole resonance.

Original languageEnglish
Pages (from-to)652-655
Number of pages4
JournalPhysical Review C
Issue number2
Publication statusPublished - 1983
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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