Well developed deformation in Si42

S. Takeuchi; M. Matsushita; N. Aoi; P. Doornenbal; K. Li; T. Motobayashi; H. Scheit; D. Steppenbeck; H. Wang; H. Baba; D. Bazin; L. Càceres; H. Crawford; P. Fallon; R. Gernhäuser; J. Gibelin; S. Go; S. Grévy; C. Hinke; C. R. Hoffman; R. Hughes; E. Ideguchi; D. Jenkins; N. Kobayashi; Y. Kondo; R. Krücken; T. Le Bleis; J. Lee; G. Lee; A. Matta; S. Michimasa; T. Nakamura; S. Ota; M. Petri; T. Sako; H. Sakurai; S. Shimoura; K. Steiger; K. Takahashi; M. Takechi; Y. Togano; R. Winkler; K. Yoneda

doi:10.1103/PhysRevLett.109.182501

Well developed deformation in Si42

S. Takeuchi, M. Matsushita, N. Aoi, P. Doornenbal, K. Li, T. Motobayashi, H. Scheit, D. Steppenbeck, H. Wang, H. Baba, D. Bazin, L. Càceres, H. Crawford, P. Fallon, R. Gernhäuser, J. Gibelin, S. Go, S. Grévy, C. Hinke, C. R. HoffmanR. Hughes, E. Ideguchi, D. Jenkins, N. Kobayashi, Y. Kondo, R. Krücken, T. Le Bleis, J. Lee, G. Lee, A. Matta, S. Michimasa, T. Nakamura, S. Ota, M. Petri, T. Sako, H. Sakurai, S. Shimoura, K. Steiger, K. Takahashi, M. Takechi, Y. Togano, R. Winkler, K. Yoneda

研究成果: Contribution to journal › Article › 査読

84 被引用数 (Scopus)

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Excited states in Si38,40,42 nuclei have been studied via in-beam γ-ray spectroscopy with multinucleon removal reactions. Intense radioactive beams of S40 and S44 provided at the new facility of the RIKEN Radioactive Isotope Beam Factory enabled γ-γ coincidence measurements. A prominent γ line observed with an energy of 742(8) keV in Si42 confirms the 2 ⁺ state reported in an earlier study. Among the γ lines observed in coincidence with the 2 ⁺→0 ⁺ transition, the most probable candidate for the transition from the yrast 4 ⁺ state was identified, leading to a 41+ energy of 2173(14) keV. The energy ratio of 2.93(5) between the 21+ and 41+ states indicates well-developed deformation in Si42 at N=28 and Z=14. Also for Si38,40 energy ratios with values of 2.09(5) and 2.56(5) were obtained. Together with the ratio for Si42, the results show a rapid deformation development of Si isotopes from N=24 to N=28.

本文言語	英語
論文番号	182501
ジャーナル	Physical review letters
巻	109
号	18
DOI	https://doi.org/10.1103/PhysRevLett.109.182501
出版ステータス	出版済み - 11 2 2012
外部発表	はい

All Science Journal Classification (ASJC) codes

物理学および天文学（全般）

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10.1103/PhysRevLett.109.182501

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Takeuchi, S., Matsushita, M., Aoi, N., Doornenbal, P., Li, K., Motobayashi, T., Scheit, H., Steppenbeck, D., Wang, H., Baba, H., Bazin, D., Càceres, L., Crawford, H., Fallon, P., Gernhäuser, R., Gibelin, J., Go, S., Grévy, S., Hinke, C., ... Yoneda, K. (2012). Well developed deformation in Si42. Physical review letters, 109(18), [182501]. https://doi.org/10.1103/PhysRevLett.109.182501

Well developed deformation in Si42. / Takeuchi, S.; Matsushita, M.; Aoi, N.; Doornenbal, P.; Li, K.; Motobayashi, T.; Scheit, H.; Steppenbeck, D.; Wang, H.; Baba, H.; Bazin, D.; Càceres, L.; Crawford, H.; Fallon, P.; Gernhäuser, R.; Gibelin, J.; Go, S.; Grévy, S.; Hinke, C.; Hoffman, C. R.; Hughes, R.; Ideguchi, E.; Jenkins, D.; Kobayashi, N.; Kondo, Y.; Krücken, R.; Le Bleis, T.; Lee, J.; Lee, G.; Matta, A.; Michimasa, S.; Nakamura, T.; Ota, S.; Petri, M.; Sako, T.; Sakurai, H.; Shimoura, S.; Steiger, K.; Takahashi, K.; Takechi, M.; Togano, Y.; Winkler, R.; Yoneda, K.

In: Physical review letters, Vol. 109, No. 18, 182501, 02.11.2012.

研究成果: Contribution to journal › Article › 査読

Takeuchi, S, Matsushita, M, Aoi, N, Doornenbal, P, Li, K, Motobayashi, T, Scheit, H, Steppenbeck, D, Wang, H, Baba, H, Bazin, D, Càceres, L, Crawford, H, Fallon, P, Gernhäuser, R, Gibelin, J, Go, S, Grévy, S, Hinke, C, Hoffman, CR, Hughes, R, Ideguchi, E, Jenkins, D, Kobayashi, N, Kondo, Y, Krücken, R, Le Bleis, T, Lee, J, Lee, G, Matta, A, Michimasa, S, Nakamura, T, Ota, S, Petri, M, Sako, T, Sakurai, H, Shimoura, S, Steiger, K, Takahashi, K, Takechi, M, Togano, Y, Winkler, R & Yoneda, K 2012, 'Well developed deformation in Si42', Physical review letters, vol. 109, no. 18, 182501. https://doi.org/10.1103/PhysRevLett.109.182501

Takeuchi, S. ; Matsushita, M. ; Aoi, N. ; Doornenbal, P. ; Li, K. ; Motobayashi, T. ; Scheit, H. ; Steppenbeck, D. ; Wang, H. ; Baba, H. ; Bazin, D. ; Càceres, L. ; Crawford, H. ; Fallon, P. ; Gernhäuser, R. ; Gibelin, J. ; Go, S. ; Grévy, S. ; Hinke, C. ; Hoffman, C. R. ; Hughes, R. ; Ideguchi, E. ; Jenkins, D. ; Kobayashi, N. ; Kondo, Y. ; Krücken, R. ; Le Bleis, T. ; Lee, J. ; Lee, G. ; Matta, A. ; Michimasa, S. ; Nakamura, T. ; Ota, S. ; Petri, M. ; Sako, T. ; Sakurai, H. ; Shimoura, S. ; Steiger, K. ; Takahashi, K. ; Takechi, M. ; Togano, Y. ; Winkler, R. ; Yoneda, K. / Well developed deformation in Si42. In: Physical review letters. 2012 ; Vol. 109, No. 18.

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title = "Well developed deformation in Si42",

abstract = "Excited states in Si38,40,42 nuclei have been studied via in-beam γ-ray spectroscopy with multinucleon removal reactions. Intense radioactive beams of S40 and S44 provided at the new facility of the RIKEN Radioactive Isotope Beam Factory enabled γ-γ coincidence measurements. A prominent γ line observed with an energy of 742(8) keV in Si42 confirms the 2 + state reported in an earlier study. Among the γ lines observed in coincidence with the 2 +→0 + transition, the most probable candidate for the transition from the yrast 4 + state was identified, leading to a 41+ energy of 2173(14) keV. The energy ratio of 2.93(5) between the 21+ and 41+ states indicates well-developed deformation in Si42 at N=28 and Z=14. Also for Si38,40 energy ratios with values of 2.09(5) and 2.56(5) were obtained. Together with the ratio for Si42, the results show a rapid deformation development of Si isotopes from N=24 to N=28.",

author = "S. Takeuchi and M. Matsushita and N. Aoi and P. Doornenbal and K. Li and T. Motobayashi and H. Scheit and D. Steppenbeck and H. Wang and H. Baba and D. Bazin and L. C{\`a}ceres and H. Crawford and P. Fallon and R. Gernh{\"a}user and J. Gibelin and S. Go and S. Gr{\'e}vy and C. Hinke and Hoffman, {C. R.} and R. Hughes and E. Ideguchi and D. Jenkins and N. Kobayashi and Y. Kondo and R. Kr{\"u}cken and {Le Bleis}, T. and J. Lee and G. Lee and A. Matta and S. Michimasa and T. Nakamura and S. Ota and M. Petri and T. Sako and H. Sakurai and S. Shimoura and K. Steiger and K. Takahashi and M. Takechi and Y. Togano and R. Winkler and K. Yoneda",

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T1 - Well developed deformation in Si42

AU - Takeuchi, S.

AU - Matsushita, M.

AU - Aoi, N.

AU - Doornenbal, P.

AU - Li, K.

AU - Motobayashi, T.

AU - Scheit, H.

AU - Steppenbeck, D.

AU - Wang, H.

AU - Baba, H.

AU - Bazin, D.

AU - Càceres, L.

AU - Crawford, H.

AU - Fallon, P.

AU - Gernhäuser, R.

AU - Gibelin, J.

AU - Go, S.

AU - Grévy, S.

AU - Hinke, C.

AU - Hoffman, C. R.

AU - Hughes, R.

AU - Ideguchi, E.

AU - Jenkins, D.

AU - Kobayashi, N.

AU - Kondo, Y.

AU - Krücken, R.

AU - Le Bleis, T.

AU - Lee, J.

AU - Lee, G.

AU - Matta, A.

AU - Michimasa, S.

AU - Nakamura, T.

AU - Ota, S.

AU - Petri, M.

AU - Sako, T.

AU - Sakurai, H.

AU - Shimoura, S.

AU - Steiger, K.

AU - Takahashi, K.

AU - Takechi, M.

AU - Togano, Y.

AU - Winkler, R.

AU - Yoneda, K.

PY - 2012/11/2

Y1 - 2012/11/2

N2 - Excited states in Si38,40,42 nuclei have been studied via in-beam γ-ray spectroscopy with multinucleon removal reactions. Intense radioactive beams of S40 and S44 provided at the new facility of the RIKEN Radioactive Isotope Beam Factory enabled γ-γ coincidence measurements. A prominent γ line observed with an energy of 742(8) keV in Si42 confirms the 2 + state reported in an earlier study. Among the γ lines observed in coincidence with the 2 +→0 + transition, the most probable candidate for the transition from the yrast 4 + state was identified, leading to a 41+ energy of 2173(14) keV. The energy ratio of 2.93(5) between the 21+ and 41+ states indicates well-developed deformation in Si42 at N=28 and Z=14. Also for Si38,40 energy ratios with values of 2.09(5) and 2.56(5) were obtained. Together with the ratio for Si42, the results show a rapid deformation development of Si isotopes from N=24 to N=28.

AB - Excited states in Si38,40,42 nuclei have been studied via in-beam γ-ray spectroscopy with multinucleon removal reactions. Intense radioactive beams of S40 and S44 provided at the new facility of the RIKEN Radioactive Isotope Beam Factory enabled γ-γ coincidence measurements. A prominent γ line observed with an energy of 742(8) keV in Si42 confirms the 2 + state reported in an earlier study. Among the γ lines observed in coincidence with the 2 +→0 + transition, the most probable candidate for the transition from the yrast 4 + state was identified, leading to a 41+ energy of 2173(14) keV. The energy ratio of 2.93(5) between the 21+ and 41+ states indicates well-developed deformation in Si42 at N=28 and Z=14. Also for Si38,40 energy ratios with values of 2.09(5) and 2.56(5) were obtained. Together with the ratio for Si42, the results show a rapid deformation development of Si isotopes from N=24 to N=28.

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JF - Physical Review Letters

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Well developed deformation in Si42

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