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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). ? - ?. ISSN 0556-2813

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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 :
AuthorsEmail
Lozeva, RLUNSPECIFIED
Simpson, GSUNSPECIFIED
Grawe, HUNSPECIFIED
Neyens, GUNSPECIFIED
Atanasova, LAUNSPECIFIED
Balabanski, DLUNSPECIFIED
Bazzacco, DUNSPECIFIED
Becker, FUNSPECIFIED
Bednarczyk, PUNSPECIFIED
Benzoni, GUNSPECIFIED
Blasi, NUNSPECIFIED
Blazhev, AUNSPECIFIED
Bracco, AUNSPECIFIED
Brandau, CUNSPECIFIED
Caceres, LUNSPECIFIED
Camera, FUNSPECIFIED
Chamoli, SKUNSPECIFIED
Crespi, FCLUNSPECIFIED
Daugas, J-MUNSPECIFIED
Detistov, PUNSPECIFIED
De Rydt, MUNSPECIFIED
Doornenbal, PUNSPECIFIED
Fahlander, CUNSPECIFIED
Farnea, EUNSPECIFIED
Georgiev, GUNSPECIFIED
Gerl, JUNSPECIFIED
Gladnishki, KAUNSPECIFIED
Gorska, MUNSPECIFIED
Grebosz, JUNSPECIFIED
Hass, MUNSPECIFIED
Hoischen, RUNSPECIFIED
Ilie, GUNSPECIFIED
Ionescu-Bujor, MUNSPECIFIED
Iordachescu, AUNSPECIFIED
Jolie, JUNSPECIFIED
Jungclaus, AUNSPECIFIED
Kmiecik, MUNSPECIFIED
Kojouharov, IUNSPECIFIED
Kurz, NUNSPECIFIED
Lakshmi, SPUNSPECIFIED
Lo Bianco, GUNSPECIFIED
Mallion, SUNSPECIFIED
Maj, AUNSPECIFIED
Montanari, DUNSPECIFIED
Perru, OUNSPECIFIED
Pfuetzner, MUNSPECIFIED
Pietri, SUNSPECIFIED
Pinston, JAUNSPECIFIED
Podolyak, ZUNSPECIFIED
Prokopowicz, WUNSPECIFIED
Rudolph, DUNSPECIFIED
Rusev, GUNSPECIFIED
Saitoh, TRUNSPECIFIED
Saltarelli, AUNSPECIFIED
Schaffner, HUNSPECIFIED
Schwengner, RUNSPECIFIED
Tashenov, SUNSPECIFIED
Turzo, KUNSPECIFIED
Valiente-Dobon, JJUNSPECIFIED
Vermeulen, NUNSPECIFIED
Walker, JUNSPECIFIED
Werner-Malento, EUNSPECIFIED
Wieland, OUNSPECIFIED
Wollersheim, H-JUNSPECIFIED
Date : 1 June 2008
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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