Isomeric state in the doubly odd $^196At$ nucleus

M.B. Smith; R. Chapman; J.F.C. Cocks; K.M. Spohr; O. Dorvaux; K. Helariutta; P.M. Jones; R. Julin; S. Juutinen; H. Kankaanpää; H. Kettunen; P. Kuusiniemi; Y. Le Coz; M. Leino; D.J. Middleton; M. Muikku; P. Nieminen; P. Rahkila; A. Savelius

doi:10.1088/0954-3899/26/6/303

Isomeric state in the doubly odd $^196At$ nucleus

M.B. Smith, R. Chapman, J.F.C. Cocks, K.M. Spohr, O. Dorvaux, K. Helariutta, P.M. Jones, R. Julin, S. Juutinen, H. Kankaanpää, H. Kettunen, P. Kuusiniemi, Y. Le Coz, M. Leino, D.J. Middleton, M. Muikku, P. Nieminen, P. Rahkila, A. Savelius

School of Health and Life Sciences

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

An excited isomeric state has been identified in the 196At nucleus using the recoil decay tagging technique. This is the first identification of an excited state in this neutron-deficient odd–odd nucleus. Several tentative prompt γ -rays have also been correlated with 196At α-decay, although it has not been possible to assign them to specific energy levels in 196At. The mean lifetime of the isomeric state has been measured as τ = 11 ± 2 µs. The new level is compared with similar low-lying states in neighbouring nuclei and is de-excited by an E2 γ -ray transition, the large hindrance of which is not expected.

Original language	English
Pages (from-to)	787-792
Number of pages	6
Journal	Journal of Physics G: Nuclear and Particle Physics
Volume	26
Issue number	6
DOIs	https://doi.org/10.1088/0954-3899/26/6/303
Publication status	Published - Jun 2000

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Smith, M. B., Chapman, R., Cocks, J. F. C., Spohr, K. M., Dorvaux, O., Helariutta, K., Jones, P. M., Julin, R., Juutinen, S., Kankaanpää, H., Kettunen, H., Kuusiniemi, P., Le Coz, Y., Leino, M., Middleton, D. J., Muikku, M., Nieminen, P., Rahkila, P., & Savelius, A. (2000). Isomeric state in the doubly odd $^196At$ nucleus. Journal of Physics G: Nuclear and Particle Physics, 26(6), 787-792. https://doi.org/10.1088/0954-3899/26/6/303

@article{0af075d32039472bba7519716c064014,

title = "Isomeric state in the doubly odd $^196At$ nucleus",

abstract = "An excited isomeric state has been identified in the 196At nucleus using the recoil decay tagging technique. This is the first identification of an excited state in this neutron-deficient odd–odd nucleus. Several tentative prompt γ -rays have also been correlated with 196At α-decay, although it has not been possible to assign them to specific energy levels in 196At. The mean lifetime of the isomeric state has been measured as τ = 11 ± 2 µs. The new level is compared with similar low-lying states in neighbouring nuclei and is de-excited by an E2 γ -ray transition, the large hindrance of which is not expected.",

author = "M.B. Smith and R. Chapman and J.F.C. Cocks and K.M. Spohr and O. Dorvaux and K. Helariutta and P.M. Jones and R. Julin and S. Juutinen and H. Kankaanp{\"a}{\"a} and H. Kettunen and P. Kuusiniemi and {Le Coz}, Y. and M. Leino and D.J. Middleton and M. Muikku and P. Nieminen and P. Rahkila and A. Savelius",

year = "2000",

month = jun,

doi = "10.1088/0954-3899/26/6/303",

language = "English",

volume = "26",

pages = "787--792",

journal = "Journal of Physics G: Nuclear and Particle Physics",

issn = "0954-3899",

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Smith, MB, Chapman, R, Cocks, JFC, Spohr, KM, Dorvaux, O, Helariutta, K, Jones, PM, Julin, R, Juutinen, S, Kankaanpää, H, Kettunen, H, Kuusiniemi, P, Le Coz, Y, Leino, M, Middleton, DJ, Muikku, M, Nieminen, P, Rahkila, P & Savelius, A 2000, 'Isomeric state in the doubly odd $^196At$ nucleus', Journal of Physics G: Nuclear and Particle Physics, vol. 26, no. 6, pp. 787-792. https://doi.org/10.1088/0954-3899/26/6/303

TY - JOUR

T1 - Isomeric state in the doubly odd $^196At$ nucleus

AU - Smith, M.B.

AU - Chapman, R.

AU - Cocks, J.F.C.

AU - Spohr, K.M.

AU - Dorvaux, O.

AU - Helariutta, K.

AU - Jones, P.M.

AU - Julin, R.

AU - Juutinen, S.

AU - Kankaanpää, H.

AU - Kettunen, H.

AU - Kuusiniemi, P.

AU - Le Coz, Y.

AU - Leino, M.

AU - Middleton, D.J.

AU - Muikku, M.

AU - Nieminen, P.

AU - Rahkila, P.

AU - Savelius, A.

PY - 2000/6

Y1 - 2000/6

N2 - An excited isomeric state has been identified in the 196At nucleus using the recoil decay tagging technique. This is the first identification of an excited state in this neutron-deficient odd–odd nucleus. Several tentative prompt γ -rays have also been correlated with 196At α-decay, although it has not been possible to assign them to specific energy levels in 196At. The mean lifetime of the isomeric state has been measured as τ = 11 ± 2 µs. The new level is compared with similar low-lying states in neighbouring nuclei and is de-excited by an E2 γ -ray transition, the large hindrance of which is not expected.

AB - An excited isomeric state has been identified in the 196At nucleus using the recoil decay tagging technique. This is the first identification of an excited state in this neutron-deficient odd–odd nucleus. Several tentative prompt γ -rays have also been correlated with 196At α-decay, although it has not been possible to assign them to specific energy levels in 196At. The mean lifetime of the isomeric state has been measured as τ = 11 ± 2 µs. The new level is compared with similar low-lying states in neighbouring nuclei and is de-excited by an E2 γ -ray transition, the large hindrance of which is not expected.

U2 - 10.1088/0954-3899/26/6/303

DO - 10.1088/0954-3899/26/6/303

M3 - Article

SN - 0954-3899

VL - 26

SP - 787

EP - 792

JO - Journal of Physics G: Nuclear and Particle Physics

JF - Journal of Physics G: Nuclear and Particle Physics

IS - 6

ER -

Isomeric state in the doubly odd $^196At$ nucleus

Abstract

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