Coulomb excitation of 26Ne

D. Beaumel, J. Gibelin, T. Motobayashi, N. Aoi, H. Baba, Y. Blumenfeld, Z. Elekes, S. Fortier, N. Frascaria, N. Fukuda, T. Gomi, K. Ishikawa, Y. Kondo, T. Kubo, V. Lima, T. Nakamura, A. Saito, Y. Satou, E. Takeshita, S. Takeuchi & 5 others T. Teranishi, Y. Togano, A. M. Vinodkumar, Y. Yanagisawa, K. Yoshida

Research output: Chapter in Book/Report/Conference proceedingChapter

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. Data were also taken on an Al target to estimate the nuclear contribution. The radioactive beam was produced by fragmentation of a 95 A.MeV Ar beam delivered by the RIKEN Research Facility. The set-up included a NaI gamma-ray array, a charged fragment hodoscope and a neutron wall. Using the invariant mass method in the 25Ne+n channel, we observe a sizable amount of E1 strength between 6 and 10 MeV excitation energy. By performing a multipole decomposition of the differential cross-section, a reduced dipole transition probability of B(E1)=0.49±0.16 e2fm2 is deduced. For the first time, the decay pattern of low-lying strength in a neutron-rich nucleus is measured.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
Pages192-198
Number of pages7
Volume891
DOIs
Publication statusPublished - 2007
EventTOURS SYMPOSIUM ON NUCLEAR PHYSICS VI - Tours, France
Duration: Sep 5 2006Sep 8 2006

Other

OtherTOURS SYMPOSIUM ON NUCLEAR PHYSICS VI
CountryFrance
CityTours
Period9/5/069/8/06

Fingerprint

neutrons
hodoscopes
excitation
research facilities
nuclei
neutron emission
transition probabilities
multipoles
fragmentation
fragments
gamma rays
dipoles
decomposition
thresholds
cross sections
decay
estimates
energy

Keywords

  • Coulomb excitations
  • Giant resonances

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Beaumel, D., Gibelin, J., Motobayashi, T., Aoi, N., Baba, H., Blumenfeld, Y., ... Yoshida, K. (2007). Coulomb excitation of 26Ne. In AIP Conference Proceedings (Vol. 891, pp. 192-198) https://doi.org/10.1063/1.2713517

Coulomb excitation of 26Ne. / Beaumel, D.; Gibelin, J.; Motobayashi, T.; Aoi, N.; Baba, H.; Blumenfeld, Y.; Elekes, Z.; Fortier, S.; Frascaria, N.; Fukuda, N.; Gomi, T.; Ishikawa, K.; Kondo, Y.; Kubo, T.; Lima, V.; Nakamura, T.; Saito, A.; Satou, Y.; Takeshita, E.; Takeuchi, S.; Teranishi, T.; Togano, Y.; Vinodkumar, A. M.; Yanagisawa, Y.; Yoshida, K.

AIP Conference Proceedings. Vol. 891 2007. p. 192-198.

Research output: Chapter in Book/Report/Conference proceedingChapter

Beaumel, D, Gibelin, J, Motobayashi, T, Aoi, N, Baba, H, Blumenfeld, Y, Elekes, Z, Fortier, S, Frascaria, N, Fukuda, N, Gomi, T, Ishikawa, K, Kondo, Y, Kubo, T, Lima, V, Nakamura, T, Saito, A, Satou, Y, Takeshita, E, Takeuchi, S, Teranishi, T, Togano, Y, Vinodkumar, AM, Yanagisawa, Y & Yoshida, K 2007, Coulomb excitation of 26Ne. in AIP Conference Proceedings. vol. 891, pp. 192-198, TOURS SYMPOSIUM ON NUCLEAR PHYSICS VI, Tours, France, 9/5/06. https://doi.org/10.1063/1.2713517
Beaumel D, Gibelin J, Motobayashi T, Aoi N, Baba H, Blumenfeld Y et al. Coulomb excitation of 26Ne. In AIP Conference Proceedings. Vol. 891. 2007. p. 192-198 https://doi.org/10.1063/1.2713517
Beaumel, D. ; Gibelin, J. ; Motobayashi, T. ; Aoi, N. ; Baba, H. ; Blumenfeld, Y. ; Elekes, Z. ; Fortier, S. ; Frascaria, N. ; Fukuda, N. ; Gomi, T. ; Ishikawa, K. ; Kondo, Y. ; Kubo, T. ; Lima, V. ; Nakamura, T. ; Saito, A. ; Satou, Y. ; Takeshita, E. ; Takeuchi, S. ; Teranishi, T. ; Togano, Y. ; Vinodkumar, A. M. ; Yanagisawa, Y. ; Yoshida, K. / Coulomb excitation of 26Ne. AIP Conference Proceedings. Vol. 891 2007. pp. 192-198
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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. Data were also taken on an Al target to estimate the nuclear contribution. The radioactive beam was produced by fragmentation of a 95 A.MeV Ar beam delivered by the RIKEN Research Facility. The set-up included a NaI gamma-ray array, a charged fragment hodoscope and a neutron wall. Using the invariant mass method in the 25Ne+n channel, we observe a sizable amount of E1 strength between 6 and 10 MeV excitation energy. By performing a multipole decomposition of the differential cross-section, a reduced dipole transition probability of B(E1)=0.49±0.16 e2fm2 is deduced. For the first time, the decay pattern of low-lying strength in a neutron-rich nucleus is measured.",
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T1 - Coulomb excitation of 26Ne

AU - Beaumel, D.

AU - Gibelin, J.

AU - Motobayashi, T.

AU - Aoi, N.

AU - Baba, H.

AU - Blumenfeld, Y.

AU - Elekes, Z.

AU - Fortier, S.

AU - Frascaria, N.

AU - Fukuda, N.

AU - Gomi, T.

AU - Ishikawa, K.

AU - Kondo, Y.

AU - Kubo, T.

AU - Lima, V.

AU - Nakamura, T.

AU - Saito, A.

AU - Satou, Y.

AU - Takeshita, E.

AU - Takeuchi, S.

AU - Teranishi, T.

AU - Togano, Y.

AU - Vinodkumar, A. M.

AU - Yanagisawa, Y.

AU - Yoshida, K.

PY - 2007

Y1 - 2007

N2 - 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. Data were also taken on an Al target to estimate the nuclear contribution. The radioactive beam was produced by fragmentation of a 95 A.MeV Ar beam delivered by the RIKEN Research Facility. The set-up included a NaI gamma-ray array, a charged fragment hodoscope and a neutron wall. Using the invariant mass method in the 25Ne+n channel, we observe a sizable amount of E1 strength between 6 and 10 MeV excitation energy. By performing a multipole decomposition of the differential cross-section, a reduced dipole transition probability of B(E1)=0.49±0.16 e2fm2 is deduced. For the first time, the decay pattern of low-lying strength in a neutron-rich nucleus is measured.

AB - 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. Data were also taken on an Al target to estimate the nuclear contribution. The radioactive beam was produced by fragmentation of a 95 A.MeV Ar beam delivered by the RIKEN Research Facility. The set-up included a NaI gamma-ray array, a charged fragment hodoscope and a neutron wall. Using the invariant mass method in the 25Ne+n channel, we observe a sizable amount of E1 strength between 6 and 10 MeV excitation energy. By performing a multipole decomposition of the differential cross-section, a reduced dipole transition probability of B(E1)=0.49±0.16 e2fm2 is deduced. For the first time, the decay pattern of low-lying strength in a neutron-rich nucleus is measured.

KW - Coulomb excitations

KW - Giant resonances

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