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Dipole polarizability of Sn-120 and nuclear energy density functionals

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Title
Dipole polarizability of Sn-120 and nuclear energy density functionals
Author(s)
T. Hashimoto; Krumbholz, A.M.; Reinhard, P.-G.; Tamii, A.; Von Neumann-Cosel, P.; Adachi, T.; Aoi, N.; Bertulani, C.A.; Fujita, H.; Fujita, Y.; Ganioʇlu, E.; Hatanaka, K.; Ideguchi, E.; Iwamoto, C.; Kawabata, T.; Khai, N.T.; Krugmann, A.; Martin, D.; Matsubara, H.; Miki, K.; Neveling, R.; Okamura, H.; Ong, H.J.; Poltoratska, I.; Ponomarev, V.Yu.; Richter, A.; Sakaguchi, H.; Shimbara, Y.; Shimizu, Y.; Simonis, J.; Smit, F.D.; Süsoy, G.; Suzuki, T.; Thies, J.H.; Yosoi, M.; Zenihiro, J.
Publication Date
2015-09
Journal
Physical Review C - Nuclear Physics, v.92, no.3, pp.031305-1 - 031305-5
Publisher
American Physical Society
Abstract
The electric dipole strength distribution in Sn-120 between 5 and 22 MeV has been determined at the Research Center for Nuclear Physics, Osaka, from polarization transfer observables measured in proton inelastic scattering at E-0 = 295 MeV and forward angles including 0 degrees. Combined with photoabsorption data, a highly precise electric dipole polarizability alpha(D)(Sn-120) = 8.93(36) fm(3) is extracted. The dipole polarizability as isovector observable par excellence carries direct information on nuclear symmetry energy and its density dependence. The correlation of the new value with the well-established alpha(D)(Pb-208) serves as a test of its prediction by nuclear energy density functionals. Models based on modern Skyrme interactions describe the data fairly well while most calculations based on relativistic Hamiltonians cannot.
URI
https://pr.ibs.re.kr/handle/8788114/2917
DOI
10.1103/PhysRevC.92.031305
ISSN
0556-2813
Appears in Collections:
HiddenCommunity > 1. Journal Papers (저널논문)
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