First observation of excited states in 197At: the onset of deformation in neutron-deficient astatine nuclei

M.B. Smith; R. Chapman; J.F.C. Cocks; 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; K.M. Spohr

doi:10.1007/s100500050254

First observation of excited states in 197At: the onset of deformation in neutron-deficient astatine nuclei

M.B. Smith, R. Chapman, J.F.C. Cocks, 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, K.M. Spohr

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Abstract

Excited states in the Z= 85 nucleus 197At have been identified for the first time using the recoil-decay-tagging (RDT) technique. The excitation energy of these states is found to be consistent with the systematics of neutron-deficient astatine nuclei and with theoretical calculations indicating that the nucleus may be deformed in its ground state.

Original language	English
Pages (from-to)	43-47
Number of pages	5
Journal	The European Physical Journal A
Volume	5
Issue number	1
DOIs	https://doi.org/10.1007/s100500050254
Publication status	Published - May 1999

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Smith, M. B., Chapman, R., Cocks, J. F. C., 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., & Spohr, K. M. (1999). First observation of excited states in 197At: the onset of deformation in neutron-deficient astatine nuclei. The European Physical Journal A, 5(1), 43-47. https://doi.org/10.1007/s100500050254

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title = "First observation of excited states in 197At: the onset of deformation in neutron-deficient astatine nuclei",

abstract = "Excited states in the Z= 85 nucleus 197At have been identified for the first time using the recoil-decay-tagging (RDT) technique. The excitation energy of these states is found to be consistent with the systematics of neutron-deficient astatine nuclei and with theoretical calculations indicating that the nucleus may be deformed in its ground state.",

author = "M.B. Smith and R. Chapman and J.F.C. Cocks 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 and K.M. Spohr",

year = "1999",

month = may,

doi = "10.1007/s100500050254",

language = "English",

volume = "5",

pages = "43--47",

journal = "The European Physical Journal A",

issn = "1434-6001",

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number = "1",

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Smith, MB, Chapman, R, Cocks, JFC, 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 & Spohr, KM 1999, 'First observation of excited states in 197At: the onset of deformation in neutron-deficient astatine nuclei', The European Physical Journal A, vol. 5, no. 1, pp. 43-47. https://doi.org/10.1007/s100500050254

TY - JOUR

T1 - First observation of excited states in 197At

T2 - the onset of deformation in neutron-deficient astatine nuclei

AU - Smith, M.B.

AU - Chapman, R.

AU - Cocks, J.F.C.

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.

AU - Spohr, K.M.

PY - 1999/5

Y1 - 1999/5

N2 - Excited states in the Z= 85 nucleus 197At have been identified for the first time using the recoil-decay-tagging (RDT) technique. The excitation energy of these states is found to be consistent with the systematics of neutron-deficient astatine nuclei and with theoretical calculations indicating that the nucleus may be deformed in its ground state.

AB - Excited states in the Z= 85 nucleus 197At have been identified for the first time using the recoil-decay-tagging (RDT) technique. The excitation energy of these states is found to be consistent with the systematics of neutron-deficient astatine nuclei and with theoretical calculations indicating that the nucleus may be deformed in its ground state.

U2 - 10.1007/s100500050254

DO - 10.1007/s100500050254

M3 - Article

SN - 1434-6001

VL - 5

SP - 43

EP - 47

JO - The European Physical Journal A

JF - The European Physical Journal A

IS - 1

ER -

First observation of excited states in 197At: the onset of deformation in neutron-deficient astatine nuclei

Abstract

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