Direct observation of the Ba114→Xe110→Te106→Sn102 triple α-decay chain using position and time correlations

L. Capponi; J. F. Smith; P. Ruotsalainen; C. Scholey; P. Rahkila; K. Auranen; L. Bianco; A. J. Boston; H.C. Boston; D.M. Cullen; X. Derkx; M. C. Drummond; T. Grahn; P.T. Greenlees; L. Grocutt; B. Hadinia; U. Jakobsson; D.T. Joss; R. Julin; S. Juutinen; M. Labiche; M. Leino; K. G. Leach; C McPeake; K.F.  Mulholland; P. Nieminen; David O'Donnell; E.S.  Paul; P. Peura; M. Sandzelius; J. Sarén; B. Saygi; J. Sorri; S. Stolze; A. Thornthwaite; M.J. Taylor; J. Uusitalo

doi:10.1103/PhysRevC.94.024314

Direct observation of the Ba114→Xe110→Te106→Sn102 triple α-decay chain using position and time correlations

L. Capponi, J. F. Smith, P. Ruotsalainen, C. Scholey, P. Rahkila, K. Auranen, L. Bianco, A. J. Boston, H.C. Boston, D.M. Cullen, X. Derkx, M. C. Drummond, T. Grahn, P.T. Greenlees, L. Grocutt, B. Hadinia, U. Jakobsson, D.T. Joss, R. Julin, S. JuutinenM. Labiche, M. Leino, K. G. Leach, C McPeake, K.F. Mulholland, P. Nieminen, David O'Donnell, E.S. Paul, P. Peura, M. Sandzelius, J. Sarén, B. Saygi, J. Sorri, S. Stolze, A. Thornthwaite, M.J. Taylor, J. Uusitalo

School of Computing, Engineering and Physical Sciences

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Abstract

The triple α-decay chain Ba114→Xe110→Te106→Sn102 has been directly observed for the first time, following the Ni58(Ni58,2n) reaction. Implantation of Ba114 nuclei into a double-sided silicon-strip detector has allowed their α decays to be correlated in position and time with the α decays of the daughter (Xe110) and granddaughter (Te106) nuclei. In total, 17 events have been assigned to the Ba114→Xe110→Te106→Sn102 triple α-decay chain. The energy of the Ba114 α decay has been measured to be Eα=3480(20) keV, which is 70 keV higher than the previously measured value, and the half-life of Ba114 has been measured with improved accuracy, to be 380+190−110 ms. A revised QC12 value of 19 035(45) keV for Ba114 is presented.

Original language	English
Pages (from-to)	024314
Journal	Physical Review C
Volume	94
DOIs	https://doi.org/10.1103/PhysRevC.94.024314
Publication status	Published - 10 Aug 2016

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Capponi, L., Smith, J. F., Ruotsalainen, P., Scholey, C., Rahkila, P., Auranen, K., Bianco, L., J. Boston, A., Boston, H. C., Cullen, D. M., Derkx, X., C. Drummond, M., Grahn, T., Greenlees, P. T., Grocutt, L., Hadinia, B., Jakobsson, U., Joss, D. T., Julin, R., ... Uusitalo, J. (2016). Direct observation of the Ba114→Xe110→Te106→Sn102 triple α-decay chain using position and time correlations. Physical Review C, 94, 024314. https://doi.org/10.1103/PhysRevC.94.024314

@article{4c46acb2d63242fa9e2737561f01fc8d,

title = "Direct observation of the Ba114→Xe110→Te106→Sn102 triple α-decay chain using position and time correlations",

abstract = "The triple α-decay chain Ba114→Xe110→Te106→Sn102 has been directly observed for the first time, following the Ni58(Ni58,2n) reaction. Implantation of Ba114 nuclei into a double-sided silicon-strip detector has allowed their α decays to be correlated in position and time with the α decays of the daughter (Xe110) and granddaughter (Te106) nuclei. In total, 17 events have been assigned to the Ba114→Xe110→Te106→Sn102 triple α-decay chain. The energy of the Ba114 α decay has been measured to be Eα=3480(20) keV, which is 70 keV higher than the previously measured value, and the half-life of Ba114 has been measured with improved accuracy, to be 380+190−110 ms. A revised QC12 value of 19 035(45) keV for Ba114 is presented.",

author = "L. Capponi and Smith, {J. F.} and P. Ruotsalainen and C. Scholey and P. Rahkila and K. Auranen and L. Bianco and {J. Boston}, A. and H.C. Boston and D.M. Cullen and X. Derkx and {C. Drummond}, M. and T. Grahn and P.T. Greenlees and L. Grocutt and B. Hadinia and U. Jakobsson and D.T. Joss and R. Julin and S. Juutinen and M. Labiche and M. Leino and {G. Leach}, K. and C McPeake and K.F. Mulholland and P. Nieminen and David O'Donnell and E.S. Paul and P. Peura and M. Sandzelius and J. Sar{\'e}n and B. Saygi and J. Sorri and S. Stolze and A. Thornthwaite and M.J. Taylor and J. Uusitalo",

year = "2016",

month = aug,

day = "10",

doi = "10.1103/PhysRevC.94.024314",

language = "English",

volume = "94",

pages = "024314",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

}

Capponi, L, Smith, JF, Ruotsalainen, P, Scholey, C, Rahkila, P, Auranen, K, Bianco, L, J. Boston, A, Boston, HC, Cullen, DM, Derkx, X, C. Drummond, M, Grahn, T, Greenlees, PT, Grocutt, L, Hadinia, B, Jakobsson, U, Joss, DT, Julin, R, Juutinen, S, Labiche, M, Leino, M, G. Leach, K, McPeake, C, Mulholland, KF, Nieminen, P, O'Donnell, D, Paul, ES, Peura, P, Sandzelius, M, Sarén, J, Saygi, B, Sorri, J, Stolze, S, Thornthwaite, A, Taylor, MJ & Uusitalo, J 2016, 'Direct observation of the Ba114→Xe110→Te106→Sn102 triple α-decay chain using position and time correlations', Physical Review C, vol. 94, pp. 024314. https://doi.org/10.1103/PhysRevC.94.024314

TY - JOUR

T1 - Direct observation of the Ba114→Xe110→Te106→Sn102 triple α-decay chain using position and time correlations

AU - Capponi, L.

AU - Smith, J. F.

AU - Ruotsalainen, P.

AU - Scholey, C.

AU - Rahkila, P.

AU - Auranen, K.

AU - Bianco, L.

AU - J. Boston, A.

AU - Boston, H.C.

AU - Cullen, D.M.

AU - Derkx, X.

AU - C. Drummond, M.

AU - Grahn, T.

AU - Greenlees, P.T.

AU - Grocutt, L.

AU - Hadinia, B.

AU - Jakobsson, U.

AU - Joss, D.T.

AU - Julin, R.

AU - Juutinen, S.

AU - Labiche, M.

AU - Leino, M.

AU - G. Leach, K.

AU - McPeake, C

AU - Mulholland, K.F.

AU - Nieminen, P.

AU - O'Donnell, David

AU - Paul, E.S.

AU - Peura, P.

AU - Sandzelius, M.

AU - Sarén, J.

AU - Saygi, B.

AU - Sorri, J.

AU - Stolze, S.

AU - Thornthwaite, A.

AU - Taylor, M.J.

AU - Uusitalo, J.

PY - 2016/8/10

Y1 - 2016/8/10

N2 - The triple α-decay chain Ba114→Xe110→Te106→Sn102 has been directly observed for the first time, following the Ni58(Ni58,2n) reaction. Implantation of Ba114 nuclei into a double-sided silicon-strip detector has allowed their α decays to be correlated in position and time with the α decays of the daughter (Xe110) and granddaughter (Te106) nuclei. In total, 17 events have been assigned to the Ba114→Xe110→Te106→Sn102 triple α-decay chain. The energy of the Ba114 α decay has been measured to be Eα=3480(20) keV, which is 70 keV higher than the previously measured value, and the half-life of Ba114 has been measured with improved accuracy, to be 380+190−110 ms. A revised QC12 value of 19 035(45) keV for Ba114 is presented.

AB - The triple α-decay chain Ba114→Xe110→Te106→Sn102 has been directly observed for the first time, following the Ni58(Ni58,2n) reaction. Implantation of Ba114 nuclei into a double-sided silicon-strip detector has allowed their α decays to be correlated in position and time with the α decays of the daughter (Xe110) and granddaughter (Te106) nuclei. In total, 17 events have been assigned to the Ba114→Xe110→Te106→Sn102 triple α-decay chain. The energy of the Ba114 α decay has been measured to be Eα=3480(20) keV, which is 70 keV higher than the previously measured value, and the half-life of Ba114 has been measured with improved accuracy, to be 380+190−110 ms. A revised QC12 value of 19 035(45) keV for Ba114 is presented.

U2 - 10.1103/PhysRevC.94.024314

DO - 10.1103/PhysRevC.94.024314

M3 - Article

SN - 2469-9985

VL - 94

SP - 024314

JO - Physical Review C

JF - Physical Review C

ER -

Direct observation of the Ba114→Xe110→Te106→Sn102 triple α-decay chain using position and time correlations

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