TY - JOUR
T1 - Compressional-mode giant resonances in deformed nuclei
AU - Itoh, M.
AU - Sakaguchi, H.
AU - Uchida, M.
AU - Ishikawa, T.
AU - Kawabata, T.
AU - Murakami, T.
AU - Takeda, H.
AU - Taki, T.
AU - Terashima, S.
AU - Tsukahara, N.
AU - Yasuda, Y.
AU - Yosoi, M.
AU - Garg, U.
AU - Hedden, M.
AU - Kharraja, B.
AU - Koss, M.
AU - Nayak, B. K.
AU - Zhu, S.
AU - Fujimura, H.
AU - Fujiwara, M.
AU - Hara, K.
AU - Yoshida, H. P.
AU - Akimune, H.
AU - Harakeh, M. N.
AU - Volkerts, M.
N1 - Funding Information:
We gratefully acknowledge the RCNP cyclotron staff for providing halo-free beams. This work was supported in part by the US–Japan Cooperative Science Program of the JSPS and the US National Science Foundation (grants Nos. INT-9910015 and PHY-9901133), and the University of Notre Dame.
PY - 2002/11/28
Y1 - 2002/11/28
N2 - Background-free inelastic scattering spectra have been obtained for the Sm isotopes with 400 MeV α particles at forward angles (including 0°) to investigate the effect of deformation on the compressional-mode giant resonances. The strength distributions for the isoscalar giant resonances (L ≤ 3) have been extracted for the spherical nucleus 144Sm and the deformed nucleus 154Sm. We have observed that the effects of deformation are different for the low- and high-excitation-energy components of the isoscalar giant dipole resonance in 154Sm. Evidence for the theoretically predicted coupling between the isoscalar dipole resonance and the high-energy octupole resonance is reported.
AB - Background-free inelastic scattering spectra have been obtained for the Sm isotopes with 400 MeV α particles at forward angles (including 0°) to investigate the effect of deformation on the compressional-mode giant resonances. The strength distributions for the isoscalar giant resonances (L ≤ 3) have been extracted for the spherical nucleus 144Sm and the deformed nucleus 154Sm. We have observed that the effects of deformation are different for the low- and high-excitation-energy components of the isoscalar giant dipole resonance in 154Sm. Evidence for the theoretically predicted coupling between the isoscalar dipole resonance and the high-energy octupole resonance is reported.
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U2 - 10.1016/S0370-2693(02)02892-7
DO - 10.1016/S0370-2693(02)02892-7
M3 - Article
AN - SCOPUS:0037191733
SN - 0370-2693
VL - 549
SP - 58
EP - 63
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
IS - 1-2
ER -