A recoil-beta tagging study of N=Z nucleus As-66

P. Ruotsalainen; C. Scholey; R. Wadsworth; D.G. Jenkins; B.S. Nara Singh; T.S. Brock; P.T. Greenlees; U. Jakobsson; P. Jones; R. Julin; S. Juutinen; S. Ketelhut; M. Leino; N.M. Lumley; P.J.R. Mason; P. Nieminen; M. Nyman; I. Paterson; P. Peura; M.G. Procter; P. Rahkila; J. Saren; J. Sorri; J. Uusitalo

doi:10.1063/1.3628431

A recoil-beta tagging study of N=Z nucleus As-66

P. Ruotsalainen, C. Scholey, R. Wadsworth, D.G. Jenkins, B.S. Nara Singh, T.S. Brock, P.T. Greenlees, U. Jakobsson, P. Jones, R. Julin, S. Juutinen, S. Ketelhut, M. Leino, N.M. Lumley, P.J.R. Mason, P. Nieminen, M. Nyman, I. Paterson, P. Peura, M.G. ProcterP. Rahkila, J. Saren, J. Sorri, J. Uusitalo

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

A Recoil‐Beta Tagging (RBT) experiment was recently performed at the accelerator laboratory at the University of Jyväskylä in order to identify T = 1 excited states in the medium‐heavy N = Z = 33 nucleus 66As. The fusion‐evaporation reaction 28Si(40Ca,pn)66As was employed at a beam energy of 75 MeV. The experiment was carried out utilising the JUROGAM II γ‐ray spectrometer in conjunction with the gas‐filled recoil separator RITU and the GREAT focal plane spectrometer system. The half‐lives and ordering of the two known isomeric states in 66As have been determined. In addition, several new prompt γ‐ray transitions from excited states both bypassing and decaying to the isomeric states in 66As have been observed.

Original language	English
Title of host publication	Frontiers in Nuclear Structure, Astrophysics, and Reactions
Subtitle of host publication	Finustar 3
Editors	Paraskevi Demetriou, Rauno Julin, Sotirios Harissopulos
Publisher	AIP Publishing
Pages	417-419
Number of pages	3
Volume	1377
Edition	1
ISBN (Print)	978-0-7354-0937-8
DOIs	https://doi.org/10.1063/1.3628431
Publication status	Published - 28 Oct 2011
Externally published	Yes

Publication series

Name	AIP Conference Proceedings
Publisher	AIP Publishing
Number	1
Volume	1377
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

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10.1063/1.3628431

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Ruotsalainen, P., Scholey, C., Wadsworth, R., Jenkins, D. G., Nara Singh, B. S., Brock, T. S., Greenlees, P. T., Jakobsson, U., Jones, P., Julin, R., Juutinen, S., Ketelhut, S., Leino, M., Lumley, N. M., Mason, P. J. R., Nieminen, P., Nyman, M., Paterson, I., Peura, P., ... Uusitalo, J. (2011). A recoil-beta tagging study of N=Z nucleus As-66. In P. Demetriou, R. Julin, & S. Harissopulos (Eds.), Frontiers in Nuclear Structure, Astrophysics, and Reactions: Finustar 3 (1 ed., Vol. 1377, pp. 417-419). [3628431] (AIP Conference Proceedings; Vol. 1377, No. 1). AIP Publishing. https://doi.org/10.1063/1.3628431

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title = "A recoil-beta tagging study of N=Z nucleus As-66",

abstract = "A Recoil‐Beta Tagging (RBT) experiment was recently performed at the accelerator laboratory at the University of Jyv{\"a}skyl{\"a} in order to identify T = 1 excited states in the medium‐heavy N = Z = 33 nucleus 66As. The fusion‐evaporation reaction 28Si(40Ca,pn)66As was employed at a beam energy of 75 MeV. The experiment was carried out utilising the JUROGAM II γ‐ray spectrometer in conjunction with the gas‐filled recoil separator RITU and the GREAT focal plane spectrometer system. The half‐lives and ordering of the two known isomeric states in 66As have been determined. In addition, several new prompt γ‐ray transitions from excited states both bypassing and decaying to the isomeric states in 66As have been observed.",

author = "P. Ruotsalainen and C. Scholey and R. Wadsworth and D.G. Jenkins and {Nara Singh}, B.S. and T.S. Brock and P.T. Greenlees and U. Jakobsson and P. Jones and R. Julin and S. Juutinen and S. Ketelhut and M. Leino and N.M. Lumley and P.J.R. Mason and P. Nieminen and M. Nyman and I. Paterson and P. Peura and M.G. Procter and P. Rahkila and J. Saren and J. Sorri and J. Uusitalo",

note = "3rd International Conference on Frontiers in Nuclear Structure, Astrophysics and Reactions (FINUSTAR), Rhodes, GREECE, AUG 23-27, 2010",

year = "2011",

month = oct,

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doi = "10.1063/1.3628431",

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Ruotsalainen, P, Scholey, C, Wadsworth, R, Jenkins, DG, Nara Singh, BS, Brock, TS, Greenlees, PT, Jakobsson, U, Jones, P, Julin, R, Juutinen, S, Ketelhut, S, Leino, M, Lumley, NM, Mason, PJR, Nieminen, P, Nyman, M, Paterson, I, Peura, P, Procter, MG, Rahkila, P, Saren, J, Sorri, J & Uusitalo, J 2011, A recoil-beta tagging study of N=Z nucleus As-66. in P Demetriou, R Julin & S Harissopulos (eds), Frontiers in Nuclear Structure, Astrophysics, and Reactions: Finustar 3. 1 edn, vol. 1377, 3628431, AIP Conference Proceedings, no. 1, vol. 1377, AIP Publishing, pp. 417-419. https://doi.org/10.1063/1.3628431

A recoil-beta tagging study of N=Z nucleus As-66. / Ruotsalainen, P.; Scholey, C.; Wadsworth, R. et al.

Frontiers in Nuclear Structure, Astrophysics, and Reactions: Finustar 3. ed. / Paraskevi Demetriou; Rauno Julin; Sotirios Harissopulos. Vol. 1377 1. ed. AIP Publishing, 2011. p. 417-419 3628431 (AIP Conference Proceedings; Vol. 1377, No. 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Jakobsson, U.

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AU - Lumley, N.M.

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AU - Nieminen, P.

AU - Nyman, M.

AU - Paterson, I.

AU - Peura, P.

AU - Procter, M.G.

AU - Rahkila, P.

AU - Saren, J.

AU - Sorri, J.

AU - Uusitalo, J.

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N2 - A Recoil‐Beta Tagging (RBT) experiment was recently performed at the accelerator laboratory at the University of Jyväskylä in order to identify T = 1 excited states in the medium‐heavy N = Z = 33 nucleus 66As. The fusion‐evaporation reaction 28Si(40Ca,pn)66As was employed at a beam energy of 75 MeV. The experiment was carried out utilising the JUROGAM II γ‐ray spectrometer in conjunction with the gas‐filled recoil separator RITU and the GREAT focal plane spectrometer system. The half‐lives and ordering of the two known isomeric states in 66As have been determined. In addition, several new prompt γ‐ray transitions from excited states both bypassing and decaying to the isomeric states in 66As have been observed.

AB - A Recoil‐Beta Tagging (RBT) experiment was recently performed at the accelerator laboratory at the University of Jyväskylä in order to identify T = 1 excited states in the medium‐heavy N = Z = 33 nucleus 66As. The fusion‐evaporation reaction 28Si(40Ca,pn)66As was employed at a beam energy of 75 MeV. The experiment was carried out utilising the JUROGAM II γ‐ray spectrometer in conjunction with the gas‐filled recoil separator RITU and the GREAT focal plane spectrometer system. The half‐lives and ordering of the two known isomeric states in 66As have been determined. In addition, several new prompt γ‐ray transitions from excited states both bypassing and decaying to the isomeric states in 66As have been observed.

U2 - 10.1063/1.3628431

DO - 10.1063/1.3628431

M3 - Conference contribution

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VL - 1377

T3 - AIP Conference Proceedings

SP - 417

EP - 419

BT - Frontiers in Nuclear Structure, Astrophysics, and Reactions

A2 - Demetriou, Paraskevi

A2 - Julin, Rauno

A2 - Harissopulos, Sotirios

PB - AIP Publishing

ER -

Ruotsalainen P, Scholey C, Wadsworth R, Jenkins DG, Nara Singh BS, Brock TS et al. A recoil-beta tagging study of N=Z nucleus As-66. In Demetriou P, Julin R, Harissopulos S, editors, Frontiers in Nuclear Structure, Astrophysics, and Reactions: Finustar 3. 1 ed. Vol. 1377. AIP Publishing. 2011. p. 417-419. 3628431. (AIP Conference Proceedings; 1). doi: 10.1063/1.3628431

A recoil-beta tagging study of N=Z nucleus As-66

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