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

Research output: Contribution to journalArticle

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.

Original languageEnglish
Pages (from-to)2050-2055
Number of pages6
JournalInternational Journal of Modern Physics E
Volume18
Issue number10
DOIs
Publication statusPublished - Jan 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)

Cite this

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.

In: International Journal of Modern Physics E, Vol. 18, No. 10, 01.01.2009, p. 2050-2055.

Research output: Contribution to journalArticle

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, vol. 18, no. 10, pp. 2050-2055. https://doi.org/10.1142/S0218301309014275
Gibelin J, Beaumel D, Motobayashi T, Blumenfeld Y, Aoi N, Baba H et al. Decay pattern of pygmy states observed in neutron-rich 26Ne. International Journal of Modern Physics E. 2009 Jan 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. In: International Journal of Modern Physics E. 2009 ; Vol. 18, No. 10. pp. 2050-2055.
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AU - Baba, H.

AU - Elekes, Z.

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AU - Teranishi, Takashi

AU - Togano, Y.

AU - Vinodkumar, A. M.

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AU - Yoshida, K.

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