Stable triaxiality at the highest spins in 138Nd and 139Nd

C. M. Petrache; G. Lo Bianco; D. Ward; A. Galindo-Uribarri; P. Spolaore; D. Bazzacco; T. Kröll; S. Lunardi; R. Menegazzo; C. Rossi Alvarez; A. O. Macchiavelli; M. Cromaz; P. Fallon; G. J. Lane; W. Gast; R. M. Lieder; G. Falconi; A. V. Afanasjev; I. Ragnarsson

doi:10.1103/PhysRevC.61.011305

Stable triaxiality at the highest spins in ¹³⁸Nd and ¹³⁹Nd

C. M. Petrache
, G. Lo Bianco
, D. Ward
, A. Galindo-Uribarri
, P. Spolaore
, D. Bazzacco
, T. Kröll
, S. Lunardi
, R. Menegazzo
, C. Rossi Alvarez
, A. O. Macchiavelli
, M. Cromaz
, P. Fallon
, G. J. Lane
, W. Gast
, R. M. Lieder
, G. Falconi
, A. V. Afanasjev
, I. Ragnarsson

Neutrino Research

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

38 Scopus citations

Abstract

The nuclei ¹³⁸Nd and ¹³⁹Nd have been studied at very high spins via the ⁴⁸Ca+⁹⁴Zr reaction. Several new rotational bands were observed, four in ¹³⁸Nd and two in ¹³⁹Nd. The J⁽²⁾ moments of inertia calculated from the observed γ-ray energies are very small and almost constant, indicating that these bands are triaxial. Cranked Nilsson-Strutinsky calculations reproduce the general behavior of the bands, supporting this interpretation and suggesting an approximately constant γ value of ∼ + 35° over a large spin range up to the highest observed spins. These bands and a few similar bands in other nuclei of the N≈80 region are a unique example of almost undisturbed triaxial bands.

Original language	English
Article number	011305
Pages (from-to)	113051-113055
Number of pages	5
Journal	Physical Review C - Nuclear Physics
Volume	61
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.61.011305
State	Published - Jan 2000

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10.1103/PhysRevC.61.011305

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Petrache, C. M., Bianco, G. L., Ward, D., Galindo-Uribarri, A., Spolaore, P., Bazzacco, D., Kröll, T., Lunardi, S., Menegazzo, R., Alvarez, C. R., Macchiavelli, A. O., Cromaz, M., Fallon, P., Lane, G. J., Gast, W., Lieder, R. M., Falconi, G., Afanasjev, A. V., & Ragnarsson, I. (2000). Stable triaxiality at the highest spins in ¹³⁸Nd and ¹³⁹Nd. Physical Review C - Nuclear Physics, 61(1), 113051-113055. Article 011305. https://doi.org/10.1103/PhysRevC.61.011305

@article{be5aaa15de9a44e1b3c0694c7d0322cc,

title = "Stable triaxiality at the highest spins in 138Nd and 139Nd",

abstract = "The nuclei 138Nd and 139Nd have been studied at very high spins via the 48Ca+94Zr reaction. Several new rotational bands were observed, four in 138Nd and two in 139Nd. The J(2) moments of inertia calculated from the observed γ-ray energies are very small and almost constant, indicating that these bands are triaxial. Cranked Nilsson-Strutinsky calculations reproduce the general behavior of the bands, supporting this interpretation and suggesting an approximately constant γ value of ∼ + 35° over a large spin range up to the highest observed spins. These bands and a few similar bands in other nuclei of the N≈80 region are a unique example of almost undisturbed triaxial bands.",

author = "Petrache, \{C. M.\} and Bianco, \{G. Lo\} and D. Ward and A. Galindo-Uribarri and P. Spolaore and D. Bazzacco and T. Kr{\"o}ll and S. Lunardi and R. Menegazzo and Alvarez, \{C. Rossi\} and Macchiavelli, \{A. O.\} and M. Cromaz and P. Fallon and Lane, \{G. J.\} and W. Gast and Lieder, \{R. M.\} and G. Falconi and Afanasjev, \{A. V.\} and I. Ragnarsson",

year = "2000",

month = jan,

doi = "10.1103/PhysRevC.61.011305",

language = "English",

volume = "61",

pages = "113051--113055",

journal = "Physical Review C - Nuclear Physics",

issn = "0556-2813",

number = "1",

}

Petrache, CM, Bianco, GL, Ward, D, Galindo-Uribarri, A, Spolaore, P, Bazzacco, D, Kröll, T, Lunardi, S, Menegazzo, R, Alvarez, CR, Macchiavelli, AO, Cromaz, M, Fallon, P, Lane, GJ, Gast, W, Lieder, RM, Falconi, G, Afanasjev, AV & Ragnarsson, I 2000, 'Stable triaxiality at the highest spins in ¹³⁸Nd and ¹³⁹Nd', Physical Review C - Nuclear Physics, vol. 61, no. 1, 011305, pp. 113051-113055. https://doi.org/10.1103/PhysRevC.61.011305

TY - JOUR

T1 - Stable triaxiality at the highest spins in 138Nd and 139Nd

AU - Petrache, C. M.

AU - Bianco, G. Lo

AU - Ward, D.

AU - Galindo-Uribarri, A.

AU - Spolaore, P.

AU - Bazzacco, D.

AU - Kröll, T.

AU - Lunardi, S.

AU - Menegazzo, R.

AU - Alvarez, C. Rossi

AU - Macchiavelli, A. O.

AU - Cromaz, M.

AU - Fallon, P.

AU - Lane, G. J.

AU - Gast, W.

AU - Lieder, R. M.

AU - Falconi, G.

AU - Afanasjev, A. V.

AU - Ragnarsson, I.

PY - 2000/1

Y1 - 2000/1

N2 - The nuclei 138Nd and 139Nd have been studied at very high spins via the 48Ca+94Zr reaction. Several new rotational bands were observed, four in 138Nd and two in 139Nd. The J(2) moments of inertia calculated from the observed γ-ray energies are very small and almost constant, indicating that these bands are triaxial. Cranked Nilsson-Strutinsky calculations reproduce the general behavior of the bands, supporting this interpretation and suggesting an approximately constant γ value of ∼ + 35° over a large spin range up to the highest observed spins. These bands and a few similar bands in other nuclei of the N≈80 region are a unique example of almost undisturbed triaxial bands.

AB - The nuclei 138Nd and 139Nd have been studied at very high spins via the 48Ca+94Zr reaction. Several new rotational bands were observed, four in 138Nd and two in 139Nd. The J(2) moments of inertia calculated from the observed γ-ray energies are very small and almost constant, indicating that these bands are triaxial. Cranked Nilsson-Strutinsky calculations reproduce the general behavior of the bands, supporting this interpretation and suggesting an approximately constant γ value of ∼ + 35° over a large spin range up to the highest observed spins. These bands and a few similar bands in other nuclei of the N≈80 region are a unique example of almost undisturbed triaxial bands.

UR - https://www.scopus.com/pages/publications/12944305803

U2 - 10.1103/PhysRevC.61.011305

DO - 10.1103/PhysRevC.61.011305

M3 - Article

AN - SCOPUS:12944305803

SN - 0556-2813

VL - 61

SP - 113051

EP - 113055

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 1

M1 - 011305

ER -

Stable triaxiality at the highest spins in ¹³⁸Nd and ¹³⁹Nd

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