Observation of excited states in the near-drip-line nucleus 125Pr

A. N. Wilson; D. R. LaFosse; J. F. Smith; C. J. Chiara; A. J. Boston; M. P. Carpenter; H. J. Chantler; R. Charity; P. T.W. Choy; M. Devlin; A. M. Fletcher; D. B. Fossan; R. V.F. Janssens; D. G. Jenkins; N. S. Kelsall; F. G. Kondev; T. Koike; E. S. Paul; D. G. Sarantites; D. Seweryniak; K. Starosta; R. Wadsworth

doi:10.1103/PhysRevC.66.021305

Observation of excited states in the near-drip-line nucleus ¹²⁵Pr

A. N. Wilson, D. R. LaFosse, J. F. Smith, C. J. Chiara, A. J. Boston, M. P. Carpenter, H. J. Chantler, R. Charity, P. T.W. Choy, M. Devlin, A. M. Fletcher, D. B. Fossan, R. V.F. Janssens, D. G. Jenkins, N. S. Kelsall, F. G. Kondev, T. Koike, E. S. Paul, D. G. Sarantites, D. SeweryniakK. Starosta, R. Wadsworth

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Abstract

High-spin states have been observed in the near-drip-line nucleus ¹²⁵Pr following the reaction ⁶⁴Zn(⁶⁴Zn, p2n). The detection of charged particles and neutrons evaporated from the compound system, along with the M/q of the recoiling nucleus, have allowed the identification of excited states in ¹²⁵Pr and the unambiguous assignment of five rotational structures to this nucleus. This is the most neutron-deficient Pr isotope in which excited states have been observed. The strongest band is identified as the h_11/2 single-quasiproton configuration, and is observed to a maximum spin of I = (67/2hℏ). Another structure is interpreted as the g_9/2 proton hole state, which is associated with bands of enhanced deformation observed in several nuclei in this mass region. These two bands are compared with analogous bands in the heavier odd-A Pr isotopes and changes in deformation are discussed.

Original language	English
Article number	021305
Pages (from-to)	213051-213055
Number of pages	5
Journal	Physical Review C - Nuclear Physics
Volume	66
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.66.021305
Publication status	Published - 1 Aug 2002

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Wilson, A. N., LaFosse, D. R., Smith, J. F., Chiara, C. J., Boston, A. J., Carpenter, M. P., Chantler, H. J., Charity, R., Choy, P. T. W., Devlin, M., Fletcher, A. M., Fossan, D. B., Janssens, R. V. F., Jenkins, D. G., Kelsall, N. S., Kondev, F. G., Koike, T., Paul, E. S., Sarantites, D. G., ... Wadsworth, R. (2002). Observation of excited states in the near-drip-line nucleus ¹²⁵Pr. Physical Review C - Nuclear Physics, 66(2), 213051-213055. Article 021305. https://doi.org/10.1103/PhysRevC.66.021305

@article{df8f3373434840b9a6f7f560f32062a1,

title = "Observation of excited states in the near-drip-line nucleus 125Pr",

abstract = "High-spin states have been observed in the near-drip-line nucleus 125Pr following the reaction 64Zn(64Zn, p2n). The detection of charged particles and neutrons evaporated from the compound system, along with the M/q of the recoiling nucleus, have allowed the identification of excited states in 125Pr and the unambiguous assignment of five rotational structures to this nucleus. This is the most neutron-deficient Pr isotope in which excited states have been observed. The strongest band is identified as the h11/2 single-quasiproton configuration, and is observed to a maximum spin of I = (67/2hℏ). Another structure is interpreted as the g9/2 proton hole state, which is associated with bands of enhanced deformation observed in several nuclei in this mass region. These two bands are compared with analogous bands in the heavier odd-A Pr isotopes and changes in deformation are discussed.",

author = "Wilson, {A. N.} and LaFosse, {D. R.} and Smith, {J. F.} and Chiara, {C. J.} and Boston, {A. J.} and Carpenter, {M. P.} and Chantler, {H. J.} and R. Charity and Choy, {P. T.W.} and M. Devlin and Fletcher, {A. M.} and Fossan, {D. B.} and Janssens, {R. V.F.} and Jenkins, {D. G.} and Kelsall, {N. S.} and Kondev, {F. G.} and T. Koike and Paul, {E. S.} and Sarantites, {D. G.} and D. Seweryniak and K. Starosta and R. Wadsworth",

year = "2002",

month = aug,

day = "1",

doi = "10.1103/PhysRevC.66.021305",

language = "English",

volume = "66",

pages = "213051--213055",

journal = "Physical Review C - Nuclear Physics",

issn = "0556-2813",

publisher = "American Physical Society",

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}

Wilson, AN, LaFosse, DR, Smith, JF, Chiara, CJ, Boston, AJ, Carpenter, MP, Chantler, HJ, Charity, R, Choy, PTW, Devlin, M, Fletcher, AM, Fossan, DB, Janssens, RVF, Jenkins, DG, Kelsall, NS, Kondev, FG, Koike, T, Paul, ES, Sarantites, DG, Seweryniak, D, Starosta, K & Wadsworth, R 2002, 'Observation of excited states in the near-drip-line nucleus ¹²⁵Pr', Physical Review C - Nuclear Physics, vol. 66, no. 2, 021305, pp. 213051-213055. https://doi.org/10.1103/PhysRevC.66.021305

TY - JOUR

T1 - Observation of excited states in the near-drip-line nucleus 125Pr

AU - Wilson, A. N.

AU - LaFosse, D. R.

AU - Smith, J. F.

AU - Chiara, C. J.

AU - Boston, A. J.

AU - Carpenter, M. P.

AU - Chantler, H. J.

AU - Charity, R.

AU - Choy, P. T.W.

AU - Devlin, M.

AU - Fletcher, A. M.

AU - Fossan, D. B.

AU - Janssens, R. V.F.

AU - Jenkins, D. G.

AU - Kelsall, N. S.

AU - Kondev, F. G.

AU - Koike, T.

AU - Paul, E. S.

AU - Sarantites, D. G.

AU - Seweryniak, D.

AU - Starosta, K.

AU - Wadsworth, R.

PY - 2002/8/1

Y1 - 2002/8/1

N2 - High-spin states have been observed in the near-drip-line nucleus 125Pr following the reaction 64Zn(64Zn, p2n). The detection of charged particles and neutrons evaporated from the compound system, along with the M/q of the recoiling nucleus, have allowed the identification of excited states in 125Pr and the unambiguous assignment of five rotational structures to this nucleus. This is the most neutron-deficient Pr isotope in which excited states have been observed. The strongest band is identified as the h11/2 single-quasiproton configuration, and is observed to a maximum spin of I = (67/2hℏ). Another structure is interpreted as the g9/2 proton hole state, which is associated with bands of enhanced deformation observed in several nuclei in this mass region. These two bands are compared with analogous bands in the heavier odd-A Pr isotopes and changes in deformation are discussed.

AB - High-spin states have been observed in the near-drip-line nucleus 125Pr following the reaction 64Zn(64Zn, p2n). The detection of charged particles and neutrons evaporated from the compound system, along with the M/q of the recoiling nucleus, have allowed the identification of excited states in 125Pr and the unambiguous assignment of five rotational structures to this nucleus. This is the most neutron-deficient Pr isotope in which excited states have been observed. The strongest band is identified as the h11/2 single-quasiproton configuration, and is observed to a maximum spin of I = (67/2hℏ). Another structure is interpreted as the g9/2 proton hole state, which is associated with bands of enhanced deformation observed in several nuclei in this mass region. These two bands are compared with analogous bands in the heavier odd-A Pr isotopes and changes in deformation are discussed.

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U2 - 10.1103/PhysRevC.66.021305

DO - 10.1103/PhysRevC.66.021305

M3 - Article

SN - 0556-2813

VL - 66

SP - 213051

EP - 213055

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 2

M1 - 021305

ER -

Observation of excited states in the near-drip-line nucleus ¹²⁵Pr

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