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CERN Document Server 29 records found  1 - 10nextend  jump to record: Search took 0.53 seconds. 
1.
Detailed structure of Sn131 populated in the β decay of isomerically purified In131 states / IDS Collaboration
The excited structure of the single-hole nucleus Sn131 populated by the β− decay of In131 was investigated in detail at the ISOLDE facility at CERN. This new experiment took advantage of isomeric purification capabilities provided by resonant ionization, making it possible to independently study the decay of each isomer for the first time. [...]
2024 - 19 p. - Published in : Phys. Rev. C 110 (2024) 014328 Fulltext: PDF;
2.
Exotic decay of $^{115}$Cs / Das, P (Saha Inst. ; HBNI, Mumbai) ; Datta, Ushasi (Saha Inst. ; HBNI, Mumbai) ; Chakraborty, S (Saha Inst. ; Pailan Coll. Mgt. Tech.) ; Rahaman, A (Saha Inst. ; A.C. Coll., Jalpaiguri) ; Tengblad, O (Madrid, Inst. Estructura Materia) ; Agrawal, B K (Saha Inst. ; HBNI, Mumbai) ; Becerril, A (Madrid, Inst. Estructura Materia) ; Cederkall, J (Lund U. (main)) ; Dey, J (Saha Inst. ; HBNI, Mumbai) ; Gottberg, A (CERN ; TRIUMF) et al.
The detailed study of the β+/EC decay of the very neutron-deficient and alpha-unbound nucleus Cs115 is presented. The measurement was performed at the ISOLDE, CERN where delayed charged particles and γ rays were detected. [...]
2023 - 6 p. - Published in : Phys. Rev. C 108 (2023) 064304 Fulltext: PDF;
3.
Simultaneous <math><mi>γ</mi></math>-ray and electron spectroscopy of <math><mmultiscripts><mi>Hg</mi><mprescripts/><none/><mrow><mn>182</mn><mo>,</mo><mn>184</mn><mo>,</mo><mn>186</mn></mrow></mmultiscripts></math> isotopes / IDS Collaboration
Background: The mercury isotopes around $N=104$ are a well-known example of nuclei exhibiting shape coexistence. Mixing of configurations can be studied by measuring the monopole strength $\rho^2(E0)$, however, currently the experimental information is scarce and lacks precision, especially for the $I^\pi \rightarrow I^\pi$ ($I \neq 0$) transitions. [...]
arXiv:2305.16442.- 2023-07-06 - 20 p. - Published in : Phys. Rev. C 108 (2023) 014308 Fulltext: Publication - PDF; 2305.16442 - PDF;
4.
First β-decay spectroscopy of $^{135}$In and new $β$-decay branches of $^{134}$In / IDS Collaboration
The $\beta$ decay of the neutron-rich $^{134}$In and $^{135}$In was investigated experimentally in order to provide new insights into the nuclear structure of the tin isotopes with magic proton number $Z=50$ above the $N=82$ shell. The $\beta$-delayed $\gamma$-ray spectroscopy measurement was performed at the ISOLDE facility at CERN, where indium isotopes were selectively laser-ionized and on-line mass separated. [...]
arXiv:2110.13988.- 2021-10-26 - 19 p. - Published in : Phys. Rev. C 104 (2021) 044328 Fulltext: 2110.13988 - PDF; PhysRevC.104.044328 - PDF;
5.
Study of exotic decay of Cs isotope close to the proton drip line / Das, P (Saha Inst. ; HBNI, Mumbai) ; Datta, Ushasi (Saha Inst. ; HBNI, Mumbai) ; Chakraborty, S (Saha Inst. ; Unlisted, IN) ; Rahman, A (Saha Inst. ; Unlisted, IN) ; Borge, M J G (Madrid, Inst. Estructura Materia) ; Tengblad, O (Madrid, Inst. Estructura Materia) ; Andreyev, A N (York U., England) ; Becerril, A (Madrid, Inst. Estructura Materia) ; Bhattacharya, P (Saha Inst.) ; Bhattacharyya, A (Saha Inst. ; HBNI, Mumbai) et al.
The neutron-deficient $^{115}$Cs was produced at ISOLDE, CERN by spallation reaction using 1.4 GeV proton on LaC2 target. The exotic decay modes were studied by using a charged particle array (DSSD and pad detectors) and a γ-detector array (four Clovers) at the ISOLDE decay station (IDS). [...]
2020 - 6 p. - Published in : J. Phys. : Conf. Ser. 1643 (2020) 012127 Fulltext: PDF;
In : International Nuclear Physics Conference 2019, Glasgow, United Kingdom, 29 Jul - 2 Aug 2019, pp.012127
6.
$^{208}$Po populated through EC/β$^{+}$ decay / Brunet, M (Surrey U.) ; Berry, T A (Surrey U.) ; Podolyák, Zs (Surrey U.) ; Carroll, R J (Surrey U.) ; Lica, R (CERN ; Bucharest, IFIN-HH) ; Sotty, Ch (Bucharest, IFIN-HH ; Leuven U.) ; Andreyev, A N (York U., England) ; Borge, M J G (CERN) ; Cubiss, J G (CERN ; York U., England) ; Fraile, L M (Madrid U.) et al.
The structure of $^{208}$Po resulting from the EC/β + decay of $^{208}$At was studied at CERN’s ISOLDE Decay Station (IDS). The high statistics afforded by the high yield of $^{208}$At and the high efficiency HPGe clusters at the IDS allowed for greater insight into lower intensity transitions and thus significant expansion of the $^{208}$Po level scheme. [...]
2020 - 7 p. - Published in : J. Phys. : Conf. Ser. 1643 (2020) 012116 Fulltext from publisher: PDF;
In : International Nuclear Physics Conference 2019, Glasgow, United Kingdom, 29 Jul - 2 Aug 2019, pp.012116
7.
Competition between allowed and first-forbidden $β$ decays of $^{208}$At and expansion of the $^{208}$Po level scheme / Brunet, M (Surrey U.) ; Podolyák, Zs (Surrey U.) ; Berry, T A (Surrey U.) ; Brown, B A (Michigan State U., NSCL) ; Carroll, R J (Surrey U.) ; Lica, R (CERN ; Bucharest, IFIN-HH) ; Sotty, Ch (Bucharest, IFIN-HH ; Leuven U.) ; Andreyev, A N (York U., England ; JAEA, Ibaraki) ; Borge, M J G (CERN) ; Cubiss, J G (CERN ; Madrid U.) et al.
The structure of $^{208}$Po populated through the EC/$β^+$ decay of $^{208}$At is investigated using $γ$-ray spectroscopy at the ISOLDE Decay Station. The presented level scheme contains 27 new excited states and 43 new transitions, as well as a further 50 previously observed $γ$ rays which have been (re)assigned a position. [...]
2021 - 13 p. - Published in : Phys. Rev. C 103 (2021) 054327 Fulltext: PDF;
8.
Competition between Allowed and First-Forbidden $β$ Decay: The Case of $^{208}$Hg$→^{208}$Tl / Carroll, R J (Surrey U.) ; Podolyák, Zs (Surrey U. ; Darmstadt, GSI) ; Berry, T (Surrey U.) ; Grawe, H (Darmstadt, GSI) ; Alexander, T (Surrey U.) ; Andreyev, A N (York U., England ; JAEA, Ibaraki) ; Ansari, S (Cologne U.) ; Borge, M J G (CERN) ; Brunet, M (Surrey U.) ; Creswell, J R (Liverpool U.) et al.
The $β$ decay of $^{208}$Hg into the one-proton hole, one neutron-particle $^{208}_{81}$Tl$_{127}$ nucleus was investigated at CERN-ISOLDE. Shell-model calculations describe well the level scheme deduced, validating the proton-neutron interactions used, with implications for the whole of the N>126, Z<82 quadrant of neutron-rich nuclei. [...]
2020 - 6 p. - Published in : Phys. Rev. Lett. 125 (2020) 192501 Fulltext: PDF;
9.
Detailed spectroscopy of doubly magic $^{132}$Sn / IS610 Collaboration
The structure of the doubly magic $^{132}_{50}$Sn$_{82}$ has been investigated at the ISOLDE facility at CERN, populated both by the $\beta^-$ decay of $^{132}$In and $\beta^-$-delayed neutron emission of $^{133}$In. The level scheme of $^{132}$Sn is greatly expanded with the addition of 68 $\gamma$ transitions and 17 levels observed for the first time in the $\beta$ decay. [...]
arXiv:2007.03029.- 2020-07-30 - 18 p. - Published in : Physical Review C 102 (2020) 014328 Fulltext: PDF; Fulltext from publisher: PDF;
10.
Decay studies of the long-lived states in $^{186}$Tl / IDS Collaboration
Decay spectroscopy of the long-lived states in $^{186}$Tl has been performed at the ISOLDE Decay Station at ISOLDE, CERN. The $\alpha$ decay from the low-spin ($2^−$) state in $^{186}$Tl was observed for the first time and a half-life of 3.4$^{+0.5}_{−0.4}$ s was determined. [...]
arXiv:2006.02161.- 2020-08-19 - 9 p. - Published in : Physical Review C 102 (2020) 024322 Fulltext: 2006.02161 - PDF; PhysRevC.102.024322 - PDF;

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