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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 :
AuthorsEmailORCID
Lozeva, RLUNSPECIFIEDUNSPECIFIED
Simpson, GSUNSPECIFIEDUNSPECIFIED
Grawe, HUNSPECIFIEDUNSPECIFIED
Neyens, GUNSPECIFIEDUNSPECIFIED
Atanasova, LAUNSPECIFIEDUNSPECIFIED
Balabanski, DLUNSPECIFIEDUNSPECIFIED
Bazzacco, DUNSPECIFIEDUNSPECIFIED
Becker, FUNSPECIFIEDUNSPECIFIED
Bednarczyk, PUNSPECIFIEDUNSPECIFIED
Benzoni, GUNSPECIFIEDUNSPECIFIED
Blasi, NUNSPECIFIEDUNSPECIFIED
Blazhev, AUNSPECIFIEDUNSPECIFIED
Bracco, AUNSPECIFIEDUNSPECIFIED
Brandau, CUNSPECIFIEDUNSPECIFIED
Caceres, LUNSPECIFIEDUNSPECIFIED
Camera, FUNSPECIFIEDUNSPECIFIED
Chamoli, SKUNSPECIFIEDUNSPECIFIED
Crespi, FCLUNSPECIFIEDUNSPECIFIED
Daugas, J-MUNSPECIFIEDUNSPECIFIED
Detistov, PUNSPECIFIEDUNSPECIFIED
De Rydt, MUNSPECIFIEDUNSPECIFIED
Doornenbal, PUNSPECIFIEDUNSPECIFIED
Fahlander, CUNSPECIFIEDUNSPECIFIED
Farnea, EUNSPECIFIEDUNSPECIFIED
Georgiev, GUNSPECIFIEDUNSPECIFIED
Gerl, JUNSPECIFIEDUNSPECIFIED
Gladnishki, KAUNSPECIFIEDUNSPECIFIED
Gorska, MUNSPECIFIEDUNSPECIFIED
Grebosz, JUNSPECIFIEDUNSPECIFIED
Hass, MUNSPECIFIEDUNSPECIFIED
Hoischen, RUNSPECIFIEDUNSPECIFIED
Ilie, GUNSPECIFIEDUNSPECIFIED
Ionescu-Bujor, MUNSPECIFIEDUNSPECIFIED
Iordachescu, AUNSPECIFIEDUNSPECIFIED
Jolie, JUNSPECIFIEDUNSPECIFIED
Jungclaus, AUNSPECIFIEDUNSPECIFIED
Kmiecik, MUNSPECIFIEDUNSPECIFIED
Kojouharov, IUNSPECIFIEDUNSPECIFIED
Kurz, NUNSPECIFIEDUNSPECIFIED
Lakshmi, SPUNSPECIFIEDUNSPECIFIED
Lo Bianco, GUNSPECIFIEDUNSPECIFIED
Mallion, SUNSPECIFIEDUNSPECIFIED
Maj, AUNSPECIFIEDUNSPECIFIED
Montanari, DUNSPECIFIEDUNSPECIFIED
Perru, OUNSPECIFIEDUNSPECIFIED
Pfuetzner, MUNSPECIFIEDUNSPECIFIED
Pietri, SUNSPECIFIEDUNSPECIFIED
Pinston, JAUNSPECIFIEDUNSPECIFIED
Podolyak, ZUNSPECIFIEDUNSPECIFIED
Prokopowicz, WUNSPECIFIEDUNSPECIFIED
Rudolph, DUNSPECIFIEDUNSPECIFIED
Rusev, GUNSPECIFIEDUNSPECIFIED
Saitoh, TRUNSPECIFIEDUNSPECIFIED
Saltarelli, AUNSPECIFIEDUNSPECIFIED
Schaffner, HUNSPECIFIEDUNSPECIFIED
Schwengner, RUNSPECIFIEDUNSPECIFIED
Tashenov, SUNSPECIFIEDUNSPECIFIED
Turzo, KUNSPECIFIEDUNSPECIFIED
Valiente-Dobon, JJUNSPECIFIEDUNSPECIFIED
Vermeulen, NUNSPECIFIEDUNSPECIFIED
Walker, JUNSPECIFIEDUNSPECIFIED
Werner-Malento, EUNSPECIFIEDUNSPECIFIED
Wieland, OUNSPECIFIEDUNSPECIFIED
Wollersheim, H-JUNSPECIFIEDUNSPECIFIED
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 : 23 Sep 2013 18:25
URI: http://epubs.surrey.ac.uk/id/eprint/76

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