Statistical properties of the well deformed Sm 153,155 nuclei and the scissors resonance

K. L. Malatji; K. S. Beckmann; M. Wiedeking; S. Siem; S. Goriely; A. C. Larsen; K. O. Ay; F. L. Bello Garrote; L. Crespo Campo; A. Görgen; M. Guttormsen; V. W. Ingeberg; P. Jones; B. V. Kheswa; P. Von Neumann-Cosel; M. Ozgur; G. Potel; L. Pellegri; T. Renstrøm; G. M. Tveten; F. Zeiser

doi:10.1103/PhysRevC.103.014309

Statistical properties of the well deformed Sm 153,155 nuclei and the scissors resonance

K. L. Malatji, K. S. Beckmann, M. Wiedeking, S. Siem, S. Goriely, A. C. Larsen, K. O. Ay, F. L. Bello Garrote, L. Crespo Campo, A. Görgen, M. Guttormsen, V. W. Ingeberg, P. Jones, B. V. Kheswa, P. Von Neumann-Cosel, M. Ozgur, G. Potel, L. Pellegri, T. Renstrøm, G. M. TvetenF. Zeiser

Physics

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8 Citations (Scopus)

Abstract

The nuclear level densities (NLDs) and the γ-ray strength functions (γSFs) of Sm153,155 have been extracted from (d,pγ) coincidences using the Oslo method. The experimental NLD of Sm153 is higher than the NLD of Sm155, in accordance with microscopic calculations. The γSFs of Sm153,155 are in fair agreement with QRPA calculations based on the D1M Gogny interaction. An enhancement is observed in the γSF for both Sm153,155 nuclei around 3 MeV in excitation energy and is attributed to the M1 scissors resonance (SR). Their integrated strengths were found to be in the range 1.3-2.1 and 4.4-6.4 μN2 for Sm153 and Sm155, respectively. The strength of the SR for Sm155 is comparable to those for deformed even-even Sm isotopes from nuclear resonance fluorescence measurements, while that of Sm153 is lower than expected.

Original language	English
Article number	014309
Journal	Physical Review C
Volume	103
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.103.014309
Publication status	Published - 12 Jan 2021

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.103.014309

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Malatji, K. L., Beckmann, K. S., Wiedeking, M., Siem, S., Goriely, S., Larsen, A. C., Ay, K. O., Bello Garrote, F. L., Campo, L. C., Görgen, A., Guttormsen, M., Ingeberg, V. W., Jones, P., Kheswa, B. V., Von Neumann-Cosel, P., Ozgur, M., Potel, G., Pellegri, L., Renstrøm, T., ... Zeiser, F. (2021). Statistical properties of the well deformed Sm 153,155 nuclei and the scissors resonance. Physical Review C, 103(1), Article 014309. https://doi.org/10.1103/PhysRevC.103.014309

@article{6a084a3d695f4704baa6cfcbe8038d0e,

title = "Statistical properties of the well deformed Sm 153,155 nuclei and the scissors resonance",

abstract = "The nuclear level densities (NLDs) and the γ-ray strength functions (γSFs) of Sm153,155 have been extracted from (d,pγ) coincidences using the Oslo method. The experimental NLD of Sm153 is higher than the NLD of Sm155, in accordance with microscopic calculations. The γSFs of Sm153,155 are in fair agreement with QRPA calculations based on the D1M Gogny interaction. An enhancement is observed in the γSF for both Sm153,155 nuclei around 3 MeV in excitation energy and is attributed to the M1 scissors resonance (SR). Their integrated strengths were found to be in the range 1.3-2.1 and 4.4-6.4 μN2 for Sm153 and Sm155, respectively. The strength of the SR for Sm155 is comparable to those for deformed even-even Sm isotopes from nuclear resonance fluorescence measurements, while that of Sm153 is lower than expected.",

author = "Malatji, {K. L.} and Beckmann, {K. S.} and M. Wiedeking and S. Siem and S. Goriely and Larsen, {A. C.} and Ay, {K. O.} and {Bello Garrote}, {F. L.} and Campo, {L. Crespo} and A. G{\"o}rgen and M. Guttormsen and Ingeberg, {V. W.} and P. Jones and Kheswa, {B. V.} and {Von Neumann-Cosel}, P. and M. Ozgur and G. Potel and L. Pellegri and T. Renstr{\o}m and Tveten, {G. M.} and F. Zeiser",

note = "Publisher Copyright: {\textcopyright} 2021 American Physical Society.",

year = "2021",

month = jan,

day = "12",

doi = "10.1103/PhysRevC.103.014309",

language = "English",

volume = "103",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

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Malatji, KL, Beckmann, KS, Wiedeking, M, Siem, S, Goriely, S, Larsen, AC, Ay, KO, Bello Garrote, FL, Campo, LC, Görgen, A, Guttormsen, M, Ingeberg, VW, Jones, P, Kheswa, BV, Von Neumann-Cosel, P, Ozgur, M, Potel, G, Pellegri, L, Renstrøm, T, Tveten, GM & Zeiser, F 2021, 'Statistical properties of the well deformed Sm 153,155 nuclei and the scissors resonance', Physical Review C, vol. 103, no. 1, 014309. https://doi.org/10.1103/PhysRevC.103.014309

TY - JOUR

T1 - Statistical properties of the well deformed Sm 153,155 nuclei and the scissors resonance

AU - Malatji, K. L.

AU - Beckmann, K. S.

AU - Wiedeking, M.

AU - Siem, S.

AU - Goriely, S.

AU - Larsen, A. C.

AU - Ay, K. O.

AU - Bello Garrote, F. L.

AU - Campo, L. Crespo

AU - Görgen, A.

AU - Guttormsen, M.

AU - Ingeberg, V. W.

AU - Jones, P.

AU - Kheswa, B. V.

AU - Von Neumann-Cosel, P.

AU - Ozgur, M.

AU - Potel, G.

AU - Pellegri, L.

AU - Renstrøm, T.

AU - Tveten, G. M.

AU - Zeiser, F.

PY - 2021/1/12

Y1 - 2021/1/12

N2 - The nuclear level densities (NLDs) and the γ-ray strength functions (γSFs) of Sm153,155 have been extracted from (d,pγ) coincidences using the Oslo method. The experimental NLD of Sm153 is higher than the NLD of Sm155, in accordance with microscopic calculations. The γSFs of Sm153,155 are in fair agreement with QRPA calculations based on the D1M Gogny interaction. An enhancement is observed in the γSF for both Sm153,155 nuclei around 3 MeV in excitation energy and is attributed to the M1 scissors resonance (SR). Their integrated strengths were found to be in the range 1.3-2.1 and 4.4-6.4 μN2 for Sm153 and Sm155, respectively. The strength of the SR for Sm155 is comparable to those for deformed even-even Sm isotopes from nuclear resonance fluorescence measurements, while that of Sm153 is lower than expected.

AB - The nuclear level densities (NLDs) and the γ-ray strength functions (γSFs) of Sm153,155 have been extracted from (d,pγ) coincidences using the Oslo method. The experimental NLD of Sm153 is higher than the NLD of Sm155, in accordance with microscopic calculations. The γSFs of Sm153,155 are in fair agreement with QRPA calculations based on the D1M Gogny interaction. An enhancement is observed in the γSF for both Sm153,155 nuclei around 3 MeV in excitation energy and is attributed to the M1 scissors resonance (SR). Their integrated strengths were found to be in the range 1.3-2.1 and 4.4-6.4 μN2 for Sm153 and Sm155, respectively. The strength of the SR for Sm155 is comparable to those for deformed even-even Sm isotopes from nuclear resonance fluorescence measurements, while that of Sm153 is lower than expected.

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U2 - 10.1103/PhysRevC.103.014309

DO - 10.1103/PhysRevC.103.014309

M3 - Article

AN - SCOPUS:85099287630

SN - 2469-9985

VL - 103

JO - Physical Review C

JF - Physical Review C

IS - 1

M1 - 014309

ER -

Statistical properties of the well deformed Sm 153,155 nuclei and the scissors resonance

Abstract

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