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New sub-mu s isomers in Sn-125,Sn-127,Sn-129 and isomer systematics of Sn124-130

Lozeva, RL, Simpson, GS, Grawe, H, Neyens, G, Atanasova, LA, Balabanski, DL, Bazzacco, D, Becker, F, Bednarczyk, P, Benzoni, G , Blasi, N, Blazhev, A, Bracco, A, Brandau, C, Caceres, L, Camera, F, Chamoli, SK, Crespi, FCL, Daugas, J-M, Detistov, P, De Rydt, M, Doornenbal, P, Fahlander, C, Farnea, E, Georgiev, G, Gerl, J, Gladnishki, KA, Gorska, M, Grebosz, J, Hass, M, Hoischen, R, Ilie, G, Ionescu-Bujor, M, Iordachescu, A, Jolie, J, Jungclaus, A, Kmiecik, M, Kojouharov, I, Kurz, N, Lakshmi, SP, Lo Bianco, G, Mallion, S, Maj, A, Montanari, D, Perru, O, Pfuetzner, M, Pietri, S, Pinston, JA, Podolyak, Z, Prokopowicz, W, Rudolph, D, Rusev, G, Saitoh, TR, Saltarelli, A, Schaffner, H, Schwengner, R, Tashenov, S, Turzo, K, Valiente-Dobon, JJ, Vermeulen, N, Walker, J, Werner-Malento, E, Wieland, O and Wollersheim, H-J (2008) New sub-mu s isomers in Sn-125,Sn-127,Sn-129 and isomer systematics of Sn124-130 PHYSICAL REVIEW C, 77 (6), ARTN 0.

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Abstract

New sub-mu s isomers have been observed in the neutron-rich Sn isotopes. Sn-125,Sn-127,Sn-129 nuclei have been produced in a relativistic fission reaction of U-238 on a Be-9 target at 750 A.MeV and by the fragmentation of Xe-136 at 600 A.MeV populating high-spin yrast states. In addition to the already known mu s isomers, three new ones with sub-mu s half-lives have been observed. These yrast isomers are the high-spin members of the nu(d(3/2)(-1)h(11/2)(-2)) and nu h(11/2)(-n), seniority v = 3 multiplets leading to isomeric (23/2(+)) and (27/2(-)) states, respectively. Added to the already known 19/2(+)mu s isomers in this region the current work completes the systematic information of neutron-hole excitations toward the filling of the last h(11/2) orbital at N = 82. The results are discussed in the framework of state-of-the-art shell-model calculations using realistic interactions.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Lozeva, RL
Simpson, GS
Grawe, H
Neyens, G
Atanasova, LA
Balabanski, DL
Bazzacco, D
Becker, F
Bednarczyk, P
Benzoni, G
Blasi, N
Blazhev, A
Bracco, A
Brandau, C
Caceres, L
Camera, F
Chamoli, SK
Crespi, FCL
Daugas, J-M
Detistov, P
De Rydt, M
Doornenbal, P
Fahlander, C
Farnea, E
Georgiev, G
Gerl, J
Gladnishki, KA
Gorska, M
Grebosz, J
Hass, M
Hoischen, R
Ilie, G
Ionescu-Bujor, M
Iordachescu, A
Jolie, J
Jungclaus, A
Kmiecik, M
Kojouharov, I
Kurz, N
Lakshmi, SP
Lo Bianco, G
Mallion, S
Maj, A
Montanari, D
Perru, O
Pfuetzner, M
Pietri, S
Pinston, JA
Podolyak, Z
Prokopowicz, W
Rudolph, D
Rusev, G
Saitoh, TR
Saltarelli, A
Schaffner, H
Schwengner, R
Tashenov, S
Turzo, K
Valiente-Dobon, JJ
Vermeulen, N
Walker, J
Werner-Malento, E
Wieland, O
Wollersheim, H-J
Date : 1 June 2008
Identification Number : 10.1103/PhysRevC.77.064313
Uncontrolled Keywords : Science & Technology, Physical Sciences, Physics, Nuclear, Physics, HEAVY-ION COLLISIONS, GAMMA-RAY, TRANSITION-PROBABILITIES, YRAST ISOMERS, ENERGY-LEVELS, BETA-DECAY, ISOTOPES, NUCLEI, GSI, DETECTORS
Related URLs :
Depositing User : Mr Adam Field
Date Deposited : 27 May 2010 14:05
Last Modified : 31 Oct 2017 13:56
URI: http://epubs.surrey.ac.uk/id/eprint/76

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