Abstract
Original language | English |
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Pages (from-to) | 355-363 |
Journal | Physical Review C |
Volume | 786 |
DOIs | |
State | Published - 5 Oct 2018 |
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- Change in structure between the I=1-2 states in 181Tl and 177,179AuFinal published version, 849 KBLicense:
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Change in structure between the I=1/2 states in 181Tl and 177,179Au. / James G., Cubiss; Barzakh, A. E.; Seliverstov, Maxim; Andreyev, Andrei N.; Andel, B.; Antalic, Stanislav; Ascher, Philippe; Atanasov, Dimitar; Beck, D.; Bieron, Jacek; Blaum, Klaus; Borgmann, Christopher; Breitenfeldt, Martin; Capponi, L.; Cocolios, Thomas Elias; Day Goodacre, Thomas; Derkx, Xavier; De Witte, Hilde; Elseviers, Jytte; Fedorov, D.V.; Fedosseev, Valentin N.; Fritzsche, Stephan; Gaffney, Liam Paul; Ghys, Lars; Hessberger, Fritz Peter; Huyse, Mark; Imai, Nobuaki; Kalaninova, Z.; Kisler, D.; Koester, Ulli; Kowalska, Magdalena; Kreim, S.; Lane, Joseph F.W.; Liberati, Valentina; Lunney, David; Lynch, Kara M; Manea, Vladimir; Marsh, Bruce A; Mitsuoka, S.; Molkanov, P.L.; Nagame, Y.; Neidherr, Dennis; Nishio, K.; Ota, S.; Pauwels, Dieter; Popescu, Lucia; Radulov, Deyan; Rapisarda, Elisa; Revill, J. P.; Rosenbusch, M.; Rossel, Ralf Erik; Rothe, Sebastian; Sandhu, Karanjeet; Schweikhard, Lutz; Sels, Simon; Truesdale, V.L.; Van Beveren, Celine; Van den Bergh, Paul; Wakabayashi, Y.; Van Duppen, Piet; Wendt, K.D.A.; Wienholtz, Frank; Whitmore, B. W. ; Wilson, G.L.; Wolf, R.N.; Zuber, Kai.
In: Physical Review C, Vol. 786, 05.10.2018, p. 355-363.Research output › peer-review
TY - JOUR
T1 - Change in structure between the I=1/2 states in 181Tl and 177,179Au
AU - James G., Cubiss
AU - Barzakh, A. E.
AU - Seliverstov, Maxim
AU - Andreyev, Andrei N.
AU - Andel, B.
AU - Antalic, Stanislav
AU - Ascher, Philippe
AU - Atanasov, Dimitar
AU - Beck, D.
AU - Bieron, Jacek
AU - Blaum, Klaus
AU - Borgmann, Christopher
AU - Breitenfeldt, Martin
AU - Capponi, L.
AU - Cocolios, Thomas Elias
AU - Day Goodacre, Thomas
AU - Derkx, Xavier
AU - De Witte, Hilde
AU - Elseviers, Jytte
AU - Fedorov, D.V.
AU - Fedosseev, Valentin N.
AU - Fritzsche, Stephan
AU - Gaffney, Liam Paul
AU - Ghys, Lars
AU - Hessberger, Fritz Peter
AU - Huyse, Mark
AU - Imai, Nobuaki
AU - Kalaninova, Z.
AU - Kisler, D.
AU - Koester, Ulli
AU - Kowalska, Magdalena
AU - Kreim, S.
AU - Lane, Joseph F.W.
AU - Liberati, Valentina
AU - Lunney, David
AU - Lynch, Kara M
AU - Manea, Vladimir
AU - Marsh, Bruce A
AU - Mitsuoka, S.
AU - Molkanov, P.L.
AU - Nagame, Y.
AU - Neidherr, Dennis
AU - Nishio, K.
AU - Ota, S.
AU - Pauwels, Dieter
AU - Popescu, Lucia
AU - Radulov, Deyan
AU - Rapisarda, Elisa
AU - Revill, J. P.
AU - Rosenbusch, M.
AU - Rossel, Ralf Erik
AU - Rothe, Sebastian
AU - Sandhu, Karanjeet
AU - Schweikhard, Lutz
AU - Sels, Simon
AU - Truesdale, V.L.
AU - Van Beveren, Celine
AU - Van den Bergh, Paul
AU - Wakabayashi, Y.
AU - Van Duppen, Piet
AU - Wendt, K.D.A.
AU - Wienholtz, Frank
AU - Whitmore, B. W.
AU - Wilson, G.L.
AU - Wolf, R.N.
AU - Zuber, Kai
N1 - Score=10
PY - 2018/10/5
Y1 - 2018/10/5
N2 - The first accurate measurements of the alpha-decay branching ratio and half-life of the Ipi = 1/2+ ground state in 181Tl have been made, along with the first determination of the magnetic moments and I=1/2 spin assignments of the ground states in 177,179Au. The results are discussed within the complementary systematics of the reduced alpha-decay widths and nuclear g factors of low-lying, Ipi = 1/2+ states in the neutron-deficient lead region. The finding shed light on the unexpected hindrance of the 1/2+->1/2+, 181Tl(g) -> 177Au(g) alpha decay, which is explained by a mixing of pi3s1/2 and pi2d3/2 configurations in 177Au(g), whilst 181Tl(g) remains a near-pure pi3s1/2. This conclusion is inferred from the g factor of 177Au(g) which has an intermediate value between those of pi3s1/2 and pi2d3/2 states. A similar mixed configuration is proposed for the Ipi=1/2+ ground state of 179Au. This mixing may provide evidence for triaxial shapes in the ground states in the these nuclei.
AB - The first accurate measurements of the alpha-decay branching ratio and half-life of the Ipi = 1/2+ ground state in 181Tl have been made, along with the first determination of the magnetic moments and I=1/2 spin assignments of the ground states in 177,179Au. The results are discussed within the complementary systematics of the reduced alpha-decay widths and nuclear g factors of low-lying, Ipi = 1/2+ states in the neutron-deficient lead region. The finding shed light on the unexpected hindrance of the 1/2+->1/2+, 181Tl(g) -> 177Au(g) alpha decay, which is explained by a mixing of pi3s1/2 and pi2d3/2 configurations in 177Au(g), whilst 181Tl(g) remains a near-pure pi3s1/2. This conclusion is inferred from the g factor of 177Au(g) which has an intermediate value between those of pi3s1/2 and pi2d3/2 states. A similar mixed configuration is proposed for the Ipi=1/2+ ground state of 179Au. This mixing may provide evidence for triaxial shapes in the ground states in the these nuclei.
KW - laser spectroscopy
KW - ISOLDE
KW - alpha decay
UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/31017356
U2 - 10.1016/j.physletb.2018.10.005
DO - 10.1016/j.physletb.2018.10.005
M3 - Article
VL - 786
SP - 355
EP - 363
JO - Physical Review C
JF - Physical Review C
SN - 0556-2813
ER -