Observation of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mn>2</mn><mi>ℏ</mi><mi>ω</mi></math></span> hexadecapole strength in lead nuclei from 200 MeV inelastic proton scattering

J. R. Tinsley; D. K. McDaniels; J. Lisantti; L. W. Swenson; R. Liljestrand; D. M. Drake; F. E. Bertrand; E. E. Gross; D. J. Horen; T. P. Sjoreen

doi:10.1103/PhysRevC.28.1417

Rapid Communication

Observation of $2 ℏ ω$ hexadecapole strength in lead nuclei from 200 MeV inelastic proton scattering

J. R. Tinsley, D. K. McDaniels, J. Lisantti, L. W. Swenson, R. Liljestrand, D. M. Drake, F. E. Bertrand, E. E. Gross, D. J. Horen, and T. P. Sjoreen

Phys. Rev. C 28, 1417(R) – Published 1 September 1983

Abstract

Excitation of strength peaked at 12.0 MeV is observed in ${}^{208}{Pb}$ and ${}^{206}{Pb}$ via the inelastic scattering of 200 MeV protons. Based upon angular distribution measurements in ${}^{208}{Pb}$ we interpret the strength as an isoscalar $2 ℏ ω$ , $L = 4$ , excitation.

NUCLEAR REACTIONS ${}^{208}{Pb}$ , ${}^{206}{Pb}$ (p,p'), $R_{p} = 200$ MeV; measured $E_{x}$ , $σ (θ)$ for giant resonances; deduced, $E_{R}$ , $Γ_{R}$ , $B (E 4)$ .

Received 26 May 1983

DOI:https://doi.org/10.1103/PhysRevC.28.1417

Authors & Affiliations

J. R. Tinsley, D. K. McDaniels, J. Lisantti, L. W. Swenson^*, R. Liljestrand^†, and D. M. Drake^‡

University of Oregon, Eugene, Oregon 97403

F. E. Bertrand, E. E. Gross, D. J. Horen, and T. P. Sjoreen

Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830

^*Present address: Oregon State University, Corvallis, OR 97331.
^†Present address: EGG Corporation, Los Alamos, NM.
^‡Present address: Los Alamos National Laboratory, Los Alamos, NM 87545.

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Vol. 28, Iss. 3 — September 1983

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