Identification of the pygmy dipole resonance in a well deformed nucleus by combined isoscalar and isovector probes

The low-energy electric dipole response in the axially deformed 154Sm nucleus was investigated for the first time using complementary probes. The isoscalar (IS) response was extracted from an (α, α′γ) coincidence experiment and the isovector (IV) response from polarization observables measured with...

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Autori principali:	L. Pellegri, H. Jivan, A. Krugmann, P. Von Neumann-Cosel, N. Pietralla, A. Tamii, P. Adsley, N. Aoi, A. Bahini, C.A. Bertulani, J.W. Brummer, A. Coman, L.M. Donaldson, M. Färber, H. Fujita, Y. Fujita, A. Görgen, T. Hashimoto, K. Hatanaka, P.M. Jones, S. Jongile, T. Kawabata, T.C. Khumalo, J.H.C. Lee, K.C.W. Li, Y. Maeda, K.L. Malatji, D.J. Marín-Lámbarri, C. Mihai, K. Miki, P.T. Molema, N.J. Mukwevho, A. Negret, R. Neveling, H.J. Ong, P. Papka, V. Pesudo, B.M. Rebeiro, A. Richter, H. Sakaguchi, D. Savran, T. Shima, Y. Shimbara, E. Sideras-Haddad, S. Siem, F.D. Smit, G.F. Steyn, T. Suzuki, S. Triambak, I.T. Usman, J.J. Van Zyl, M. Weinert, M. Wiedeking, J. Zenihiro
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	Elsevier 2026-05-01
Serie:	Physics Letters B
Soggetti:	Low-energy electric dipole excitations Deformation 154Sm Isospin character
Accesso online:	http://www.sciencedirect.com/science/article/pii/S0370269326002145
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