Restoring the valence-shell stabilization in Nd-140

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http://hdl.handle.net/10138/323941

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Kern , R , Zidarova , R , Pietralla , N , Rainovski , G , Stegmann , R , Blazhev , A , Boukhari , A , Cederkall , J , Cubiss , J G , Djongolov , M , Fransen , C , Gaffney , L P , Gladnishki , K , Giannopoulos , E , Hess , H , Jolie , J , Karayonchev , V , Kaya , L , Keatings , J M , Kocheva , D , Kroell , T , Möller , O , O'Neill , G G , Pakarinen , J , Reiter , P , Rosiak , D , Scheck , M , Snäll , J , Söderström , P-A , Spagnoletti , P , Stoyanova , M , Thiel , S , Vogt , A , Warr , N , Welker , A , Werner , M , Wiederhold , J & De Witte , H 2020 , ' Restoring the valence-shell stabilization in Nd-140 ' , Physical Review C , vol. 102 , no. 4 , 041304 . https://doi.org/10.1103/PhysRevC.102.041304

Title: Restoring the valence-shell stabilization in Nd-140
Author: Kern, R.; Zidarova, R.; Pietralla, N.; Rainovski, G.; Stegmann, R.; Blazhev, A.; Boukhari, A.; Cederkall, J.; Cubiss, J. G.; Djongolov, M.; Fransen, C.; Gaffney, L. P.; Gladnishki, K.; Giannopoulos, E.; Hess, H.; Jolie, J.; Karayonchev, V.; Kaya, L.; Keatings, J. M.; Kocheva, D.; Kroell, Th; Möller, O.; O'Neill, G. G.; Pakarinen, J.; Reiter, P.; Rosiak, D.; Scheck, M.; Snäll, J.; Söderström, P.-A.; Spagnoletti, P.; Stoyanova, M.; Thiel, S.; Vogt, A.; Warr, N.; Welker, A.; Werner, M.; Wiederhold, J.; De Witte, H.
Contributor: University of Helsinki, Helsinki Institute of Physics
Date: 2020-10-16
Language: eng
Number of pages: 6
Belongs to series: Physical Review C
ISSN: 2469-9985
URI: http://hdl.handle.net/10138/323941
Abstract: A projectile Coulomb-excitation experiment was performed at the radioactive-ion beam facility HIE-ISOLDE at CERN to obtain E2 and M1 transition matrix elements of Nd-140 using the multistep Coulomb-excitation code GOSIA. The absolute M1 strengths, B(M1; 2(2)(-) -> 2(1)(+)) = 0.033(8)mu(2)(N), B(M1 ; 2(3)(+) -> 2(1)(+)) = 0.26(-0.10)(+0.11)mu(2)(N), and B(M1; 2(4)+ -> 2(1)(+)) <0.04 mu(2)(N) identify the 2(3)(+) state as the main fragment of the one-quadrupole-phonon proton-neutron mixed-symmetry state of Nd-140. The degree of F-spin mixing in Nd-140 was quantified with the determination of the mixing matrix element VF-mix <7(-7)(-13) keV.
Subject: MIXED-SYMMETRY
PROTON
STATES
114 Physical sciences
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