Identification of γ rays from Au172 and α decays of Au172, Ir168, and Re164

B. Hadinia; B. Cederwall; R. D. Page; M. Sandzelius; C. Scholey; K. Andgren; T. Bäck; E. Ganioǧlu; M. B.Gómez Hornillos; T. Grahn; P. T. Greenlees; E. Ideguchi; U. Jakobsson; A. Johnson; P. M. Jones; R. Julin; J. Juutinen; S. Ketelhut; A. Khaplanov; M. Leino; M. Niikura; M. Nyman; I. Özgür; E. S. Paul; P. Peura; P. Rahkila; J. Sarén; J. Sorri; J. Uusitalo; R. Wyss

doi:10.1103/PhysRevC.80.064310

Identification of γ rays from Au172 and α decays of Au172, Ir168, and Re164

B. Hadinia, B. Cederwall, R. D. Page, M. Sandzelius, C. Scholey, K. Andgren, T. Bäck, E. Ganioǧlu, M. B.Gómez Hornillos, T. Grahn, P. T. Greenlees, E. Ideguchi, U. Jakobsson, A. Johnson, P. M. Jones, R. Julin, J. Juutinen, S. Ketelhut, A. Khaplanov, M. LeinoM. Niikura, M. Nyman, I. Özgür, E. S. Paul, P. Peura, P. Rahkila, J. Sarén, J. Sorri, J. Uusitalo, R. Wyss

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Abstract

The very neutron deficient odd-odd nucleus Au172 was studied in reactions of 342 and 348 MeV Kr78 beams with an isotopically enriched Ru96 target. The α decays previously reported for Au172 were confirmed and the decay chain extended down to Tm152 through the discovery of a new α-decaying state in Re164 [Eα=5623(10)keV; t1/2=864-110+150 ms; bα=3(1)%]. Fine structure in these α decays of Au172 and Ir168 were identified. A new α-decaying state was also observed and assigned as the ground state in Au172 [Eα=6762(10) keV; t1/2=22-5+6 ms]. This decay chain was also correlated down to Tm152 through previously reported α decays. Prompt γ rays from excited states in Au172 have been identified using the recoil-decay tagging technique. The partial level scheme constructed for Au172 indicates that it has an irregular structure. Possible configurations of the α-decaying states in Au172 are discussed in terms of the systematics of nuclei in this region and total Routhian surface calculations.

Original language	English
Article number	064310
Journal	Physical Review C - Nuclear Physics
Volume	80
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevC.80.064310
State	Published - Dec 10 2009
Externally published	Yes

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Hadinia, B., Cederwall, B., Page, R. D., Sandzelius, M., Scholey, C., Andgren, K., Bäck, T., Ganioǧlu, E., Hornillos, M. B. G., Grahn, T., Greenlees, P. T., Ideguchi, E., Jakobsson, U., Johnson, A., Jones, P. M., Julin, R., Juutinen, J., Ketelhut, S., Khaplanov, A., ... Wyss, R. (2009). Identification of γ rays from Au172 and α decays of Au172, Ir168, and Re164. Physical Review C - Nuclear Physics, 80(6), Article 064310. https://doi.org/10.1103/PhysRevC.80.064310

@article{03fe3d82db624adcbeb47b1ae4b62864,

title = "Identification of γ rays from Au172 and α decays of Au172, Ir168, and Re164",

abstract = "The very neutron deficient odd-odd nucleus Au172 was studied in reactions of 342 and 348 MeV Kr78 beams with an isotopically enriched Ru96 target. The α decays previously reported for Au172 were confirmed and the decay chain extended down to Tm152 through the discovery of a new α-decaying state in Re164 [Eα=5623(10)keV; t1/2=864-110+150 ms; bα=3(1)%]. Fine structure in these α decays of Au172 and Ir168 were identified. A new α-decaying state was also observed and assigned as the ground state in Au172 [Eα=6762(10) keV; t1/2=22-5+6 ms]. This decay chain was also correlated down to Tm152 through previously reported α decays. Prompt γ rays from excited states in Au172 have been identified using the recoil-decay tagging technique. The partial level scheme constructed for Au172 indicates that it has an irregular structure. Possible configurations of the α-decaying states in Au172 are discussed in terms of the systematics of nuclei in this region and total Routhian surface calculations.",

author = "B. Hadinia and B. Cederwall and Page, {R. D.} and M. Sandzelius and C. Scholey and K. Andgren and T. B{\"a}ck and E. Ganioǧlu and Hornillos, {M. B.G{\'o}mez} and T. Grahn and Greenlees, {P. T.} and E. Ideguchi and U. Jakobsson and A. Johnson and Jones, {P. M.} and R. Julin and J. Juutinen and S. Ketelhut and A. Khaplanov and M. Leino and M. Niikura and M. Nyman and I. {\"O}zg{\"u}r and Paul, {E. S.} and P. Peura and P. Rahkila and J. Sar{\'e}n and J. Sorri and J. Uusitalo and R. Wyss",

year = "2009",

month = dec,

day = "10",

doi = "10.1103/PhysRevC.80.064310",

language = "English",

volume = "80",

journal = "Physical Review C - Nuclear Physics",

issn = "0556-2813",

number = "6",

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Hadinia, B, Cederwall, B, Page, RD, Sandzelius, M, Scholey, C, Andgren, K, Bäck, T, Ganioǧlu, E, Hornillos, MBG, Grahn, T, Greenlees, PT, Ideguchi, E, Jakobsson, U, Johnson, A, Jones, PM, Julin, R, Juutinen, J, Ketelhut, S, Khaplanov, A, Leino, M, Niikura, M, Nyman, M, Özgür, I, Paul, ES, Peura, P, Rahkila, P, Sarén, J, Sorri, J, Uusitalo, J & Wyss, R 2009, 'Identification of γ rays from Au172 and α decays of Au172, Ir168, and Re164', Physical Review C - Nuclear Physics, vol. 80, no. 6, 064310. https://doi.org/10.1103/PhysRevC.80.064310

TY - JOUR

T1 - Identification of γ rays from Au172 and α decays of Au172, Ir168, and Re164

AU - Hadinia, B.

AU - Cederwall, B.

AU - Page, R. D.

AU - Sandzelius, M.

AU - Scholey, C.

AU - Andgren, K.

AU - Bäck, T.

AU - Ganioǧlu, E.

AU - Hornillos, M. B.Gómez

AU - Grahn, T.

AU - Greenlees, P. T.

AU - Ideguchi, E.

AU - Jakobsson, U.

AU - Johnson, A.

AU - Jones, P. M.

AU - Julin, R.

AU - Juutinen, J.

AU - Ketelhut, S.

AU - Khaplanov, A.

AU - Leino, M.

AU - Niikura, M.

AU - Nyman, M.

AU - Özgür, I.

AU - Paul, E. S.

AU - Peura, P.

AU - Rahkila, P.

AU - Sarén, J.

AU - Sorri, J.

AU - Uusitalo, J.

AU - Wyss, R.

PY - 2009/12/10

Y1 - 2009/12/10

N2 - The very neutron deficient odd-odd nucleus Au172 was studied in reactions of 342 and 348 MeV Kr78 beams with an isotopically enriched Ru96 target. The α decays previously reported for Au172 were confirmed and the decay chain extended down to Tm152 through the discovery of a new α-decaying state in Re164 [Eα=5623(10)keV; t1/2=864-110+150 ms; bα=3(1)%]. Fine structure in these α decays of Au172 and Ir168 were identified. A new α-decaying state was also observed and assigned as the ground state in Au172 [Eα=6762(10) keV; t1/2=22-5+6 ms]. This decay chain was also correlated down to Tm152 through previously reported α decays. Prompt γ rays from excited states in Au172 have been identified using the recoil-decay tagging technique. The partial level scheme constructed for Au172 indicates that it has an irregular structure. Possible configurations of the α-decaying states in Au172 are discussed in terms of the systematics of nuclei in this region and total Routhian surface calculations.

AB - The very neutron deficient odd-odd nucleus Au172 was studied in reactions of 342 and 348 MeV Kr78 beams with an isotopically enriched Ru96 target. The α decays previously reported for Au172 were confirmed and the decay chain extended down to Tm152 through the discovery of a new α-decaying state in Re164 [Eα=5623(10)keV; t1/2=864-110+150 ms; bα=3(1)%]. Fine structure in these α decays of Au172 and Ir168 were identified. A new α-decaying state was also observed and assigned as the ground state in Au172 [Eα=6762(10) keV; t1/2=22-5+6 ms]. This decay chain was also correlated down to Tm152 through previously reported α decays. Prompt γ rays from excited states in Au172 have been identified using the recoil-decay tagging technique. The partial level scheme constructed for Au172 indicates that it has an irregular structure. Possible configurations of the α-decaying states in Au172 are discussed in terms of the systematics of nuclei in this region and total Routhian surface calculations.

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U2 - 10.1103/PhysRevC.80.064310

DO - 10.1103/PhysRevC.80.064310

M3 - Article

AN - SCOPUS:73849132435

SN - 0556-2813

VL - 80

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 6

M1 - 064310

ER -

Identification of γ rays from Au172 and α decays of Au172, Ir168, and Re164

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