Millisecond 23/2+ isomers in the N=79 isotones 133Xe and 135Ba

被引：6

作者：

Kaya, L. ^{[1
]}

Vogt, A. ^{[1
]}

Reiter, P. ^{[1
]}

Mueller-Gatermann, C. ^{[1
]}

Siciliano, M. ^{[2
,3
]}

Coraggio, L. ^{[4
]}

Itaco, N. ^{[4
,5
]}

Gargano, A. ^{[4
]}

Arnswald, K. ^{[1
]}

Bazzacco, D. ^{[6
]}

Birkenbach, B. ^{[1
]}

Blazhev, A. ^{[1
]}

Bracco, A. ^{[7
,8
]}

Bruyneel, B. ^{[9
]}

Corradi, L. ^{[3
]}

Crespi, F. C. L. ^{[7
,8
]}

de Angelis, G. ^{[3
]}

Droste, M. ^{[1
]}

Eberth, J. ^{[1
]}

Farnea, E. ^{[6
]}

Fioretto, E. ^{[3
]}

Fransen, C. ^{[1
]}

Gadea, A. ^{[10
]}

Giaz, A. ^{[7
,8
]}

Gorgen, A. ^{[11
,12
,13
]}

Gottardo, A. ^{[3
]}

Hadynska-Klek, K. ^{[1
]}

Hess, H. ^{[1
]}

Hetzenegger, R. ^{[1
]}

Hirsch, R. ^{[1
]}

John, P. R. ^{[14
]}

Jolie, J. ^{[1
]}

Jungclaus, A. ^{[15
]}

Korten, W. ^{[12
]}

Leoni, S. ^{[7
,8
]}

Lewandowski, L. ^{[1
]}

Lunardi, S. ^{[2
,6
]}

Menegazzo, R. ^{[6
]}

Mengoni, D. ^{[2
,6
,16
]}

Michelagnoli, C. ^{[17
]}

Mijatovic, T. ^{[18
]}

Montagnoli, G. ^{[2
,6
]}

Montanari, D. ^{[19
]}

Napoli, D. ^{[3
]}

Podolyak, Zs ^{[20
]}

Pollarolo, G. ^{[21
,22
]}

Recchia, F. ^{[2
,6
]}

Rosiak, D. ^{[1
]}

Saed-Samii, N. ^{[1
]}

Sahin, E. ^{[11
]}

机构：

[1] Univ Cologne, Inst Kernphys, D-50937 Cologne, Germany

[2] Univ Padua, Dipartimento Fis & Astron, I-35131 Padua, Italy

[3] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy

[4] Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy

[5] Univ Campania Luigi Vanvitelli, Dipartimento Matemat & Fis, Viale A Lincoln 5, I-8110 Caserta, Italy

[6] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy

[7] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy

[8] INFN, Sez Milano, I-20133 Milan, Italy

[9] CEA Saclay, Serv Phys Nucl, F-91191 Gif Sur Yvette, France

[10] Univ Valencia, Inst Fis Corpuscular, CSIC, E-46071 Valencia, Spain

[11] Univ Oslo, Dept Phys, POB 1048, N-0316 Oslo, Norway

[12] Ctr CEA Saclay, IRFU, CEA DSM, F-91191 Gif Sur Yvette, France

[13] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[14] Tech Univ Darmstadt, Inst Kernphys, D-64289 Darmstadt, Germany

[15] CSIC, Inst Estruct Mat, E-28006 Madrid, Spain

[16] Univ West Scotland, Nucl Phys Res Grp, High St, Paisley PA1 2BE, Renfrew, Scotland

[17] ILL Grenoble, F-38042 Grenoble 9, France

[18] Rudjer Boskovic Inst, HR-10002 Zagreb, Croatia

[19] Univ Strasbourg, IPHC CNRS, USIAS, F-67037 Strasbourg 2, France

[20] Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England

[21] Univ Torino, Dipartimento Fis Teor, I-10125 Turin, Italy

[22] INFN, I-10125 Turin, Italy

[23] Univ Lyon 1, Univ Lyon, IPNL, CNRS,IN2P3,UMR5822, F-69622 Villeurbanne, France

[24] Henryk Niewodniczanski Inst Nucl Phys PAN, PL-31342 Krakow, Poland

来源：

PHYSICAL REVIEW C | 2018年 / 98卷 / 05期

基金：

英国科学技术设施理事会;

关键词：

HIGH-SPIN STATES; MULTIPOLE MIXING RATIOS; SHELL-MODEL; GAMMA-TRANSITIONS; EXCITED-STATES; BETA-DECAY; EXCITATIONS; NEUTRONS; MOMENTS; NUCLEI;

D O I：

10.1103/PhysRevC.98.054312

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Detailed information on isomeric states in A approximate to 135 nuclei is exploited to shell-model calculations in the region northwest of doubly magic nucleus Sn-132. The N = 79 isotones Xe-133 and Ba-135 are studied after multinucleon transfer in the Xe-136 + Pb-208 reaction employing the high-resolution Advanced GAmma Array (AGATA) coupled to the magnetic spectrometer PRISMA at the Laboratori Nazionali di Legnaro, Italy and in a pulsed-beam experiment at the FN tandem accelerator of the University of Cologne Germany utilizing a Be-9 + Te-130 fusion-evaporation reaction at a beam energy of 40 MeV. Isomeric states are identified via delayed gamma-ray spectroscopy. Hitherto tentative excitation energy spin and parity assignments of the 2017-keV J(pi) = 23/2(+) isomer in Xe-133 are confirmed and a half-life of T-1/2 = 8.64(13) ms is measured. The 2388-keV state in Ba-135. is identified as a J(pi) = 23/2(+) isomer with a half-life of 1.06(4) ms. The new results show a smooth onset of isomeric J(pi) = 23/2(+) states along the N = 79 isotones and close a gap in the high-spin systematics towards the recently investigated J(pi) = 23/2(+) isomer in Nd-139. The resulting systematics of M2 reduced transition probabilities is discussed within the of the nuclear shell model. Latest large-scale shell-model calculations employing the SN100PN, GCN50:82, SN100-KTH and a realistic effective interaction reproduce the experimental findings generally well and give insight into the structure of the isomers.

引用

页数：16

共 6 条

[1] High-spin structures in 132Xe and 133Xe and evidence for isomers along the N=79 isotones
Vogt, A.
Siciliano, M.
Birkenbach, B.
Reiter, P.
Hadynska-Klek, K.
Wheldon, C.
Valiente-Dobon, J. J.
Teruya, E.
Yoshinaga, N.
Arnswald, K.
Bazzacco, D.
Blazhev, A.
Bracco, A.
Bruyneel, B.
Chakrawarthy, R. S.
Chapman, R.
Cline, D.
Corradi, L.
Crespi, F. C. L.
Cromaz, M.
de Angelis, G.
Eberth, J.
Fallon, P.
Farnea, E.
Fioretto, E.
Fransen, C.
Freeman, S. J.
Fu, B.
Gadea, A.
Gelletly, W.
Giaz, A.
Gorgen, A.
Gottardo, A.
Hayes, A. B.
Hess, H.
Hetzenegger, R.
Hirsch, R.
Hua, H.
John, P. R.
Jolie, J.
Jungclaus, A.
Karayonchev, V.
Kaya, L.
Korten, W.
Lee, I. Y.
Leoni, S.
Liang, X.
Lunardi, S.
Macchiavelli, A. O.
Menegazzo, R.
PHYSICAL REVIEW C, 2017, 96 (02)
[2] Isomers and high-spin structures in the N=81 isotones 135Xe and 137Ba
Vogt, A.
Birkenbach, B.
Reiter, P.
Blazhev, A.
Siciliano, M.
Hadynska-Klek, K.
Valiente-Dobon, J. J.
Wheldon, C.
Teruya, E.
Yoshinaga, N.
Arnswald, K.
Bazzacco, D.
Bowry, M.
Bracco, A.
Bruyneel, B.
Chakrawarthy, R. S.
Chapman, R.
Cline, D.
Corradi, L.
Crespi, F. C. L.
Cromaz, M.
de Angelis, G.
Eberth, J.
Fallon, P.
Farnea, E.
Fioretto, E.
Freeman, S. J.
Fu, B.
Gadea, A.
Geibel, K.
Gelletly, W.
Gengelbach, A.
Giaz, A.
Gorgen, A.
Gottardo, A.
Hayes, A. B.
Hess, H.
Hirsch, R.
Hua, H.
John, P. R.
Jolie, J.
Jungclaus, A.
Kaya, L.
Korten, W.
Lee, I. Y.
Leoni, S.
Lewandowski, L.
Liang, X.
Lunardi, S.
Macchiavelli, A. O.
PHYSICAL REVIEW C, 2017, 95 (02)
[3] COMPARATIVE STUDY ON REGIONAL CEREBRAL BLOOD FLOW MEASURED BY 133XE CLEARANCE METHOD AND AVERAGE CEREBRAL BLOOD FLOW BY N2O METHOD
EBATA, K
AIZAWA, T
GOTOH, F
MURAMATSU, F
EBIHARA, S
NARA, M
AKIYAMA, M
NAKAYA, H
KITAMURA, A
SAWADA, T
TOYODA, M
RYU, T
SHIMAZU, K
KOTO, A
MIYAGAWA, Y
ISHIHARA, N
JAPANESE CIRCULATION JOURNAL, 1969, 33 (09): : 939 - +
[4] Measurement of the 134Xe(n, 2n)133m,gXe and 136Xe(n, 2n)135m,gXe reaction cross-sections and isomeric ratios induced by the 14.8 MeV neutrons
Guo, Hao
Li, Qian
Zhang, Chunlei
Jiang, Liyang
Ruan, Xichao
APPLIED RADIATION AND ISOTOPES, 2023, 200
[5] Measurement of the 134Xe(n, 2n)133m,gXe and 136Xe(n, 2n)135m,gXe reaction cross-sections and isomeric ratios induced by the 14.8 MeV neutrons (vol 200, 110948, 2023)
Guo, Hao
Li, Qian
Zhang, Chunlei
Jiang, Liyang
Ruan, Xichao
Sun, Qi
Liu, Chao
APPLIED RADIATION AND ISOTOPES, 2023, 201
[6] High-spin states of the N=82 isotones 136Xe, 137Cs, and 138Ba: Monopole-driven competition of neutron core excitations with two-proton excitations to the h11/2 high-j orbit
Jin, Hua
Tazaki, Shigeru
Kaneko, Kazunari
Wang, Han-Kui
Sun, Yang
PHYSICAL REVIEW C, 2019, 100 (06)

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