Isoscalar Multipole Resonances in ${}^{40}{Ca}$

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19 June 1978

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 40 (25) , 1628-1631
https://doi.org/10.1103/physrevlett.40.1628

Abstract

A correlation experiment between inelastically scattered

{}^{3}{He}

particles at 1.2° and decay

α

particles was performed in the giant-resonance region of

{}^{40}{Ca}

at an incident energy of 120 MeV. A new

0^{+}

state with 6% energy-weighted sum-rule strength was observed at

E_{x} = 14.2

MeV. Two broad resonances (quadrupole and possibly octupole) were observed at

E_{x} \sim 18

MeV. No resonant structure was observed at

E_{x} > 20

MeV.

Keywords

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