Decay pattern of pygmy states observed in neutron-rich 26Ne

J. Gibelin, D. Beaumel, T. Motobayashi, Y. Blumenfeld, N. Aoi, H. Baba, Z. Elekes, S. Fortier, N. Frascaria, N. Fukuda, T. Gomi, K. Ishikawa, Y. Kondo, T. Kubo, V. Lima, T. Nakamura, A. Saito, Y. Satou, J. A. Scarpaci, E. TakeshitaS. Takeuchi, Takashi Teranishi, Y. Togano, A. M. Vinodkumar, Y. Yanagisawa, K. Yoshida

研究成果: ジャーナルへの寄稿記事

抄録

Coulomb excitation of the exotic neutron-rich nucleus 26Ne on a 208Pb target was measured at 58 A.MeV in order to search for low-lying E1 strength above the neutron emission threshold. The radioactive beam was produced by fragmentation of a 95 A.MeV Ar beam delivered by the RIKEN Accelerator Research Facility. The set-up included a NaI(Tl) gamma-ray array, a charged fragment hodoscope and a neutron wall. Using the invariant mass method in the 25Ne+n channel, we observe by multipole decomposition a sizable amount of E1 strength between 6 and 10 MeV excitation energy. For the first time, the decay pattern of low-lying strength in a neutron-rich nucleus is measured.

元の言語英語
ページ(範囲)2050-2055
ページ数6
ジャーナルInternational Journal of Modern Physics E
18
発行部数10
DOI
出版物ステータス出版済み - 1 1 2009

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neutrons
decay
hodoscopes
research facilities
nuclei
neutron emission
multipoles
excitation
fragmentation
accelerators
fragments
gamma rays
decomposition
thresholds
energy

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy(all)

これを引用

Gibelin, J., Beaumel, D., Motobayashi, T., Blumenfeld, Y., Aoi, N., Baba, H., ... Yoshida, K. (2009). Decay pattern of pygmy states observed in neutron-rich 26Ne. International Journal of Modern Physics E, 18(10), 2050-2055. https://doi.org/10.1142/S0218301309014275

Decay pattern of pygmy states observed in neutron-rich 26Ne. / Gibelin, J.; Beaumel, D.; Motobayashi, T.; Blumenfeld, Y.; Aoi, N.; Baba, H.; Elekes, Z.; Fortier, S.; Frascaria, N.; Fukuda, N.; Gomi, T.; Ishikawa, K.; Kondo, Y.; Kubo, T.; Lima, V.; Nakamura, T.; Saito, A.; Satou, Y.; Scarpaci, J. A.; Takeshita, E.; Takeuchi, S.; Teranishi, Takashi; Togano, Y.; Vinodkumar, A. M.; Yanagisawa, Y.; Yoshida, K.

:: International Journal of Modern Physics E, 巻 18, 番号 10, 01.01.2009, p. 2050-2055.

研究成果: ジャーナルへの寄稿記事

Gibelin, J, Beaumel, D, Motobayashi, T, Blumenfeld, Y, Aoi, N, Baba, H, Elekes, Z, Fortier, S, Frascaria, N, Fukuda, N, Gomi, T, Ishikawa, K, Kondo, Y, Kubo, T, Lima, V, Nakamura, T, Saito, A, Satou, Y, Scarpaci, JA, Takeshita, E, Takeuchi, S, Teranishi, T, Togano, Y, Vinodkumar, AM, Yanagisawa, Y & Yoshida, K 2009, 'Decay pattern of pygmy states observed in neutron-rich 26Ne', International Journal of Modern Physics E, 巻. 18, 番号 10, pp. 2050-2055. https://doi.org/10.1142/S0218301309014275
Gibelin J, Beaumel D, Motobayashi T, Blumenfeld Y, Aoi N, Baba H その他. Decay pattern of pygmy states observed in neutron-rich 26Ne. International Journal of Modern Physics E. 2009 1 1;18(10):2050-2055. https://doi.org/10.1142/S0218301309014275
Gibelin, J. ; Beaumel, D. ; Motobayashi, T. ; Blumenfeld, Y. ; Aoi, N. ; Baba, H. ; Elekes, Z. ; Fortier, S. ; Frascaria, N. ; Fukuda, N. ; Gomi, T. ; Ishikawa, K. ; Kondo, Y. ; Kubo, T. ; Lima, V. ; Nakamura, T. ; Saito, A. ; Satou, Y. ; Scarpaci, J. A. ; Takeshita, E. ; Takeuchi, S. ; Teranishi, Takashi ; Togano, Y. ; Vinodkumar, A. M. ; Yanagisawa, Y. ; Yoshida, K. / Decay pattern of pygmy states observed in neutron-rich 26Ne. :: International Journal of Modern Physics E. 2009 ; 巻 18, 番号 10. pp. 2050-2055.
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abstract = "Coulomb excitation of the exotic neutron-rich nucleus 26Ne on a 208Pb target was measured at 58 A.MeV in order to search for low-lying E1 strength above the neutron emission threshold. The radioactive beam was produced by fragmentation of a 95 A.MeV Ar beam delivered by the RIKEN Accelerator Research Facility. The set-up included a NaI(Tl) gamma-ray array, a charged fragment hodoscope and a neutron wall. Using the invariant mass method in the 25Ne+n channel, we observe by multipole decomposition a sizable amount of E1 strength between 6 and 10 MeV excitation energy. For the first time, the decay pattern of low-lying strength in a neutron-rich nucleus is measured.",
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AU - Beaumel, D.

AU - Motobayashi, T.

AU - Blumenfeld, Y.

AU - Aoi, N.

AU - Baba, H.

AU - Elekes, Z.

AU - Fortier, S.

AU - Frascaria, N.

AU - Fukuda, N.

AU - Gomi, T.

AU - Ishikawa, K.

AU - Kondo, Y.

AU - Kubo, T.

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AU - Nakamura, T.

AU - Saito, A.

AU - Satou, Y.

AU - Scarpaci, J. A.

AU - Takeshita, E.

AU - Takeuchi, S.

AU - Teranishi, Takashi

AU - Togano, Y.

AU - Vinodkumar, A. M.

AU - Yanagisawa, Y.

AU - Yoshida, K.

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