Strong population of a superdeformed band in Eu142

S. M. Mullins; S. Flibotte; G. Hackman; J. L. Rodriguez; J. C. Waddington; A. V. Afanasjev; I. Ragnarsson; H. R. Andrews; A. Galindo-Uribarri; V. P. Janzen; D. C. Radford; D. Ward; M. Cromaz; J. DeGraaf; T. E. Drake; S. Pilotte

doi:10.1103/PhysRevC.52.99

Strong population of a superdeformed band in Eu142

S. M. Mullins, S. Flibotte, G. Hackman, J. L. Rodriguez, J. C. Waddington, A. V. Afanasjev, I. Ragnarsson, H. R. Andrews, A. Galindo-Uribarri, V. P. Janzen, D. C. Radford, D. Ward, M. Cromaz, J. DeGraaf, T. E. Drake, S. Pilotte

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Abstract

A superdeformed band has been found in Eu142. It is populated with 1.2(2)% of the total -ray intensity that decayed into Eu142 via the reaction Sn120(27Al,5n)142Eu at 152 MeV. The strength of the band is similar to that previously reported in Eu143, where the superdeformed band is populated with an intensity of 1.1(1)%. This is unexpected, since both total Routhian surface (TRS) and cranked modified oscillator (MO) calculations predict that the superdeformed band in Eu143 becomes yrast at lower spin than that in Eu142. This difference is 4Latin small letter h with stroke in the MO calculations and 8Latin small letter h with stroke in the TRS. Extrapolation of the normal-deformed yrast states in Eu143 shows, however, that a difference of 8Latin small letter h with stroke in spin corresponds to a change in the relative energy of the superdeformed and normal-deformed yrast lines of only 1 MeV.

Original language	English
Pages (from-to)	99-103
Number of pages	5
Journal	Physical Review C - Nuclear Physics
Volume	52
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.52.99
State	Published - 1995
Externally published	Yes

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Mullins, S. M., Flibotte, S., Hackman, G., Rodriguez, J. L., Waddington, J. C., Afanasjev, A. V., Ragnarsson, I., Andrews, H. R., Galindo-Uribarri, A., Janzen, V. P., Radford, D. C., Ward, D., Cromaz, M., DeGraaf, J., Drake, T. E., & Pilotte, S. (1995). Strong population of a superdeformed band in Eu142. Physical Review C - Nuclear Physics, 52(1), 99-103. https://doi.org/10.1103/PhysRevC.52.99

@article{b9160c2f0444479892a3502fa051183c,

title = "Strong population of a superdeformed band in Eu142",

abstract = "A superdeformed band has been found in Eu142. It is populated with 1.2(2)% of the total -ray intensity that decayed into Eu142 via the reaction Sn120(27Al,5n)142Eu at 152 MeV. The strength of the band is similar to that previously reported in Eu143, where the superdeformed band is populated with an intensity of 1.1(1)%. This is unexpected, since both total Routhian surface (TRS) and cranked modified oscillator (MO) calculations predict that the superdeformed band in Eu143 becomes yrast at lower spin than that in Eu142. This difference is 4Latin small letter h with stroke in the MO calculations and 8Latin small letter h with stroke in the TRS. Extrapolation of the normal-deformed yrast states in Eu143 shows, however, that a difference of 8Latin small letter h with stroke in spin corresponds to a change in the relative energy of the superdeformed and normal-deformed yrast lines of only 1 MeV.",

author = "Mullins, {S. M.} and S. Flibotte and G. Hackman and Rodriguez, {J. L.} and Waddington, {J. C.} and Afanasjev, {A. V.} and I. Ragnarsson and Andrews, {H. R.} and A. Galindo-Uribarri and Janzen, {V. P.} and Radford, {D. C.} and D. Ward and M. Cromaz and J. DeGraaf and Drake, {T. E.} and S. Pilotte",

year = "1995",

doi = "10.1103/PhysRevC.52.99",

language = "English",

volume = "52",

pages = "99--103",

journal = "Physical Review C - Nuclear Physics",

issn = "0556-2813",

number = "1",

}

Mullins, SM, Flibotte, S, Hackman, G, Rodriguez, JL, Waddington, JC, Afanasjev, AV, Ragnarsson, I, Andrews, HR, Galindo-Uribarri, A, Janzen, VP, Radford, DC, Ward, D, Cromaz, M, DeGraaf, J, Drake, TE & Pilotte, S 1995, 'Strong population of a superdeformed band in Eu142', Physical Review C - Nuclear Physics, vol. 52, no. 1, pp. 99-103. https://doi.org/10.1103/PhysRevC.52.99

TY - JOUR

T1 - Strong population of a superdeformed band in Eu142

AU - Mullins, S. M.

AU - Flibotte, S.

AU - Hackman, G.

AU - Rodriguez, J. L.

AU - Waddington, J. C.

AU - Afanasjev, A. V.

AU - Ragnarsson, I.

AU - Andrews, H. R.

AU - Galindo-Uribarri, A.

AU - Janzen, V. P.

AU - Radford, D. C.

AU - Ward, D.

AU - Cromaz, M.

AU - DeGraaf, J.

AU - Drake, T. E.

AU - Pilotte, S.

PY - 1995

Y1 - 1995

N2 - A superdeformed band has been found in Eu142. It is populated with 1.2(2)% of the total -ray intensity that decayed into Eu142 via the reaction Sn120(27Al,5n)142Eu at 152 MeV. The strength of the band is similar to that previously reported in Eu143, where the superdeformed band is populated with an intensity of 1.1(1)%. This is unexpected, since both total Routhian surface (TRS) and cranked modified oscillator (MO) calculations predict that the superdeformed band in Eu143 becomes yrast at lower spin than that in Eu142. This difference is 4Latin small letter h with stroke in the MO calculations and 8Latin small letter h with stroke in the TRS. Extrapolation of the normal-deformed yrast states in Eu143 shows, however, that a difference of 8Latin small letter h with stroke in spin corresponds to a change in the relative energy of the superdeformed and normal-deformed yrast lines of only 1 MeV.

AB - A superdeformed band has been found in Eu142. It is populated with 1.2(2)% of the total -ray intensity that decayed into Eu142 via the reaction Sn120(27Al,5n)142Eu at 152 MeV. The strength of the band is similar to that previously reported in Eu143, where the superdeformed band is populated with an intensity of 1.1(1)%. This is unexpected, since both total Routhian surface (TRS) and cranked modified oscillator (MO) calculations predict that the superdeformed band in Eu143 becomes yrast at lower spin than that in Eu142. This difference is 4Latin small letter h with stroke in the MO calculations and 8Latin small letter h with stroke in the TRS. Extrapolation of the normal-deformed yrast states in Eu143 shows, however, that a difference of 8Latin small letter h with stroke in spin corresponds to a change in the relative energy of the superdeformed and normal-deformed yrast lines of only 1 MeV.

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U2 - 10.1103/PhysRevC.52.99

DO - 10.1103/PhysRevC.52.99

M3 - Article

AN - SCOPUS:0003068801

SN - 0556-2813

VL - 52

SP - 99

EP - 103

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

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ER -

Strong population of a superdeformed band in Eu142

Abstract

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