Triaxiality near the 110Ru ground state from Coulomb excitation

D. T. Doherty; J. M. Allmond; R. V.F. Janssens; W. Korten; S. Zhu; M. Zielińska; D. C. Radford; A. D. Ayangeakaa; B. Bucher; J. C. Batchelder; C. W. Beausang; C. Campbell; M. P. Carpenter; D. Cline; H. L. Crawford; H. M. David; J. P. Delaroche; C. Dickerson; P. Fallon; A. Galindo-Uribarri; F. G. Kondev; J. L. Harker; A. B. Hayes; M. Hendricks; P. Humby; M. Girod; C. J. Gross; M. Klintefjord; K. Kolos; G. J. Lane; T. Lauritsen; J. Libert; A. O. Macchiavelli; P. J. Napiorkowski; E. Padilla-Rodal; R. C. Pardo; W. Reviol; D. G. Sarantites; G. Savard; D. Seweryniak; J. Srebrny; R. Varner; R. Vondrasek; A. Wiens; E. Wilson; J. L. Wood; C. Y. Wu

doi:10.1016/j.physletb.2017.01.031

Triaxiality near the ¹¹⁰Ru ground state from Coulomb excitation

D. T. Doherty, J. M. Allmond, R. V.F. Janssens, W. Korten, S. Zhu, M. Zielińska, D. C. Radford, A. D. Ayangeakaa, B. Bucher, J. C. Batchelder, C. W. Beausang, C. Campbell, M. P. Carpenter, D. Cline, H. L. Crawford, H. M. David, J. P. Delaroche, C. Dickerson, P. Fallon, A. Galindo-UribarriF. G. Kondev, J. L. Harker, A. B. Hayes, M. Hendricks, P. Humby, M. Girod, C. J. Gross, M. Klintefjord, K. Kolos, G. J. Lane, T. Lauritsen, J. Libert, A. O. Macchiavelli, P. J. Napiorkowski, E. Padilla-Rodal, R. C. Pardo, W. Reviol, D. G. Sarantites, G. Savard, D. Seweryniak, J. Srebrny, R. Varner, R. Vondrasek, A. Wiens, E. Wilson, J. L. Wood, C. Y. Wu

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Abstract

A multi-step Coulomb excitation measurement with the GRETINA and CHICO2 detector arrays was carried out with a 430-MeV beam of the neutron-rich ¹¹⁰Ru (t_1/2=12 s) isotope produced at the CARIBU facility. This represents the first successful measurement following the post-acceleration of an unstable isotope of a refractory element. The reduced transition probabilities obtained for levels near the ground state provide strong evidence for a triaxial shape; a conclusion confirmed by comparisons with the results of beyond-mean-field and triaxial rotor model calculations.

Original language	English
Pages (from-to)	334-338
Number of pages	5
Journal	Physics Letters B
Volume	766
DOIs	https://doi.org/10.1016/j.physletb.2017.01.031
State	Published - Mar 10 2017

Funding

This work was funded by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics, under Contract No. DE-AC02-06CH11357 (ANL), No. DE-AC05-00OR22725 (ORNL), DE-SC0014442 (WU), No. DE-AC02-05CH11231 (LBNL, GRETINA), No. DE-AC52-07NA27344 (LLNL), No. DE-FG02-05ER41379 (Richmond) and by the US DOE National Nuclear Security Administration under grant number No. DE-NA0001801 (Richmond). EP-R acknowledges the financial support of DGAPA-UNAM under the PASPA program. The project has received partial funding from the National Science Centre of Poland under the Harmonia Programme grant No. DEC 2013/10/M/ST2/00427. This research used resources of ANL's ATLAS facility, which is a DOE Office of Science User Facility.

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Doherty, D. T., Allmond, J. M., Janssens, R. V. F., Korten, W., Zhu, S., Zielińska, M., Radford, D. C., Ayangeakaa, A. D., Bucher, B., Batchelder, J. C., Beausang, C. W., Campbell, C., Carpenter, M. P., Cline, D., Crawford, H. L., David, H. M., Delaroche, J. P., Dickerson, C., Fallon, P., ... Wu, C. Y. (2017). Triaxiality near the ¹¹⁰Ru ground state from Coulomb excitation. Physics Letters B, 766, 334-338. https://doi.org/10.1016/j.physletb.2017.01.031

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title = "Triaxiality near the 110Ru ground state from Coulomb excitation",

abstract = "A multi-step Coulomb excitation measurement with the GRETINA and CHICO2 detector arrays was carried out with a 430-MeV beam of the neutron-rich 110Ru (t1/2=12 s) isotope produced at the CARIBU facility. This represents the first successful measurement following the post-acceleration of an unstable isotope of a refractory element. The reduced transition probabilities obtained for levels near the ground state provide strong evidence for a triaxial shape; a conclusion confirmed by comparisons with the results of beyond-mean-field and triaxial rotor model calculations.",

author = "Doherty, {D. T.} and Allmond, {J. M.} and Janssens, {R. V.F.} and W. Korten and S. Zhu and M. Zieli{\'n}ska and Radford, {D. C.} and Ayangeakaa, {A. D.} and B. Bucher and Batchelder, {J. C.} and Beausang, {C. W.} and C. Campbell and Carpenter, {M. P.} and D. Cline and Crawford, {H. L.} and David, {H. M.} and Delaroche, {J. P.} and C. Dickerson and P. Fallon and A. Galindo-Uribarri and Kondev, {F. G.} and Harker, {J. L.} and Hayes, {A. B.} and M. Hendricks and P. Humby and M. Girod and Gross, {C. J.} and M. Klintefjord and K. Kolos and Lane, {G. J.} and T. Lauritsen and J. Libert and Macchiavelli, {A. O.} and Napiorkowski, {P. J.} and E. Padilla-Rodal and Pardo, {R. C.} and W. Reviol and Sarantites, {D. G.} and G. Savard and D. Seweryniak and J. Srebrny and R. Varner and R. Vondrasek and A. Wiens and E. Wilson and Wood, {J. L.} and Wu, {C. Y.}",

note = "Publisher Copyright: {\textcopyright} 2017 The Authors",

year = "2017",

month = mar,

day = "10",

doi = "10.1016/j.physletb.2017.01.031",

language = "English",

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Doherty, DT, Allmond, JM, Janssens, RVF, Korten, W, Zhu, S, Zielińska, M, Radford, DC, Ayangeakaa, AD, Bucher, B, Batchelder, JC, Beausang, CW, Campbell, C, Carpenter, MP, Cline, D, Crawford, HL, David, HM, Delaroche, JP, Dickerson, C, Fallon, P, Galindo-Uribarri, A, Kondev, FG, Harker, JL, Hayes, AB, Hendricks, M, Humby, P, Girod, M, Gross, CJ, Klintefjord, M, Kolos, K, Lane, GJ, Lauritsen, T, Libert, J, Macchiavelli, AO, Napiorkowski, PJ, Padilla-Rodal, E, Pardo, RC, Reviol, W, Sarantites, DG, Savard, G, Seweryniak, D, Srebrny, J, Varner, R, Vondrasek, R, Wiens, A, Wilson, E, Wood, JL & Wu, CY 2017, 'Triaxiality near the ¹¹⁰Ru ground state from Coulomb excitation', Physics Letters B, vol. 766, pp. 334-338. https://doi.org/10.1016/j.physletb.2017.01.031

TY - JOUR

T1 - Triaxiality near the 110Ru ground state from Coulomb excitation

AU - Doherty, D. T.

AU - Allmond, J. M.

AU - Janssens, R. V.F.

AU - Korten, W.

AU - Zhu, S.

AU - Zielińska, M.

AU - Radford, D. C.

AU - Ayangeakaa, A. D.

AU - Bucher, B.

AU - Batchelder, J. C.

AU - Beausang, C. W.

AU - Campbell, C.

AU - Carpenter, M. P.

AU - Cline, D.

AU - Crawford, H. L.

AU - David, H. M.

AU - Delaroche, J. P.

AU - Dickerson, C.

AU - Fallon, P.

AU - Galindo-Uribarri, A.

AU - Kondev, F. G.

AU - Harker, J. L.

AU - Hayes, A. B.

AU - Hendricks, M.

AU - Humby, P.

AU - Girod, M.

AU - Gross, C. J.

AU - Klintefjord, M.

AU - Kolos, K.

AU - Lane, G. J.

AU - Lauritsen, T.

AU - Libert, J.

AU - Macchiavelli, A. O.

AU - Napiorkowski, P. J.

AU - Padilla-Rodal, E.

AU - Pardo, R. C.

AU - Reviol, W.

AU - Sarantites, D. G.

AU - Savard, G.

AU - Seweryniak, D.

AU - Srebrny, J.

AU - Varner, R.

AU - Vondrasek, R.

AU - Wiens, A.

AU - Wilson, E.

AU - Wood, J. L.

AU - Wu, C. Y.

PY - 2017/3/10

Y1 - 2017/3/10

N2 - A multi-step Coulomb excitation measurement with the GRETINA and CHICO2 detector arrays was carried out with a 430-MeV beam of the neutron-rich 110Ru (t1/2=12 s) isotope produced at the CARIBU facility. This represents the first successful measurement following the post-acceleration of an unstable isotope of a refractory element. The reduced transition probabilities obtained for levels near the ground state provide strong evidence for a triaxial shape; a conclusion confirmed by comparisons with the results of beyond-mean-field and triaxial rotor model calculations.

AB - A multi-step Coulomb excitation measurement with the GRETINA and CHICO2 detector arrays was carried out with a 430-MeV beam of the neutron-rich 110Ru (t1/2=12 s) isotope produced at the CARIBU facility. This represents the first successful measurement following the post-acceleration of an unstable isotope of a refractory element. The reduced transition probabilities obtained for levels near the ground state provide strong evidence for a triaxial shape; a conclusion confirmed by comparisons with the results of beyond-mean-field and triaxial rotor model calculations.

UR - http://www.scopus.com/inward/record.url?scp=85010369716&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2017.01.031

DO - 10.1016/j.physletb.2017.01.031

M3 - Article

AN - SCOPUS:85010369716

SN - 0370-2693

VL - 766

SP - 334

EP - 338

JO - Physics Letters B

JF - Physics Letters B

ER -

Triaxiality near the ¹¹⁰Ru ground state from Coulomb excitation

Abstract

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