Isobaric analog state of 14Be

S. Takeuchi; S. Shimoura; T. Motobayashi; H. Akiyoshi; Y. Ando; N. Aoi; Zs Fü; T. Gomi; Y. Higurashi; M. Hirai; N. Iwasa; H. Iwasaki; Y. Iwata; H. Kobayashi; M. Kurokawa; Z. Liu; T. Minemura; S. Ozawa; H. Sakurai; M. Serata; T. Teranishi; K. Yamada; Y. Yanagisawa; M. Ishihara

doi:10.1016/S0370-2693(01)00890-5

Isobaric analog state of ¹⁴Be

S. Takeuchi, S. Shimoura, T. Motobayashi, H. Akiyoshi, Y. Ando, N. Aoi, Zs Fü, T. Gomi, Y. Higurashi, M. Hirai, N. Iwasa, H. Iwasaki, Y. Iwata, H. Kobayashi, M. Kurokawa, Z. Liu, T. Minemura, S. Ozawa, H. Sakurai, M. SerataT. Teranishi, K. Yamada, Y. Yanagisawa, M. Ishihara

SCI - Physics

Research output: Contribution to journal › Article › peer-review

27 Citations (Scopus)

Abstract

The Isobaric Analog State (IAS) of the neutron-dripline nucleus ¹⁴Be has been found for the first time in a charge-exchange reaction ¹⁴Be(p,n)¹⁴B^* in inverse kinematics at E(¹⁴Be) = 74 A MeV. The excitation energy and width of the observed IAS were measured to be 17.06 ± 0.03 MeV and 0.11 ± 0.05 MeV (FWHM), respectively. The Coulomb displacement energy and the measured width of the IAS are discussed in connection with a possible neutron-halo structure of the ¹⁴Be nucleus.

Original language	English
Pages (from-to)	255-260
Number of pages	6
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	515
Issue number	3-4
DOIs	https://doi.org/10.1016/S0370-2693(01)00890-5
Publication status	Published - 2001 Aug 30

Keywords

Charge-exchange reactions
Coulomb displacement energy
Halo structure
Isobaric analog state
Radioactive beam experiment

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/S0370-2693(01)00890-5

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Takeuchi, S., Shimoura, S., Motobayashi, T., Akiyoshi, H., Ando, Y., Aoi, N., Fü, Z., Gomi, T., Higurashi, Y., Hirai, M., Iwasa, N., Iwasaki, H., Iwata, Y., Kobayashi, H., Kurokawa, M., Liu, Z., Minemura, T., Ozawa, S., Sakurai, H., ... Ishihara, M. (2001). Isobaric analog state of ¹⁴Be. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 515(3-4), 255-260. https://doi.org/10.1016/S0370-2693(01)00890-5

Isobaric analog state of ¹⁴Be. / Takeuchi, S.; Shimoura, S.; Motobayashi, T.; Akiyoshi, H.; Ando, Y.; Aoi, N.; Fü, Zs; Gomi, T.; Higurashi, Y.; Hirai, M.; Iwasa, N.; Iwasaki, H.; Iwata, Y.; Kobayashi, H.; Kurokawa, M.; Liu, Z.; Minemura, T.; Ozawa, S.; Sakurai, H.; Serata, M.; Teranishi, T.; Yamada, K.; Yanagisawa, Y.; Ishihara, M.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 515, No. 3-4, 30.08.2001, p. 255-260.

Research output: Contribution to journal › Article › peer-review

Takeuchi, S, Shimoura, S, Motobayashi, T, Akiyoshi, H, Ando, Y, Aoi, N, Fü, Z, Gomi, T, Higurashi, Y, Hirai, M, Iwasa, N, Iwasaki, H, Iwata, Y, Kobayashi, H, Kurokawa, M, Liu, Z, Minemura, T, Ozawa, S, Sakurai, H, Serata, M, Teranishi, T, Yamada, K, Yanagisawa, Y & Ishihara, M 2001, 'Isobaric analog state of ¹⁴Be', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 515, no. 3-4, pp. 255-260. https://doi.org/10.1016/S0370-2693(01)00890-5

Takeuchi, S. ; Shimoura, S. ; Motobayashi, T. ; Akiyoshi, H. ; Ando, Y. ; Aoi, N. ; Fü, Zs ; Gomi, T. ; Higurashi, Y. ; Hirai, M. ; Iwasa, N. ; Iwasaki, H. ; Iwata, Y. ; Kobayashi, H. ; Kurokawa, M. ; Liu, Z. ; Minemura, T. ; Ozawa, S. ; Sakurai, H. ; Serata, M. ; Teranishi, T. ; Yamada, K. ; Yanagisawa, Y. ; Ishihara, M. / Isobaric analog state of ¹⁴Be. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2001 ; Vol. 515, No. 3-4. pp. 255-260.

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title = "Isobaric analog state of 14Be",

abstract = "The Isobaric Analog State (IAS) of the neutron-dripline nucleus 14Be has been found for the first time in a charge-exchange reaction 14Be(p,n)14B* in inverse kinematics at E(14Be) = 74 A MeV. The excitation energy and width of the observed IAS were measured to be 17.06 ± 0.03 MeV and 0.11 ± 0.05 MeV (FWHM), respectively. The Coulomb displacement energy and the measured width of the IAS are discussed in connection with a possible neutron-halo structure of the 14Be nucleus.",

keywords = "Charge-exchange reactions, Coulomb displacement energy, Halo structure, Isobaric analog state, Radioactive beam experiment",

author = "S. Takeuchi and S. Shimoura and T. Motobayashi and H. Akiyoshi and Y. Ando and N. Aoi and Zs F{\"u} and T. Gomi and Y. Higurashi and M. Hirai and N. Iwasa and H. Iwasaki and Y. Iwata and H. Kobayashi and M. Kurokawa and Z. Liu and T. Minemura and S. Ozawa and H. Sakurai and M. Serata and T. Teranishi and K. Yamada and Y. Yanagisawa and M. Ishihara",

note = "Funding Information: We would like to thank the RIKEN Ring Cyclotron staff members for their operation during the experiment. The present study was partially supported by the Grant-In-Aid for Scientific Research of the Japan Ministry of Education, Science and Culture under the program numbers (B) 08454069. One of the authors, S.T., is grateful to the support of the RIKEN Junior Research Associate Program.",

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doi = "10.1016/S0370-2693(01)00890-5",

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pages = "255--260",

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T1 - Isobaric analog state of 14Be

AU - Takeuchi, S.

AU - Shimoura, S.

AU - Motobayashi, T.

AU - Akiyoshi, H.

AU - Ando, Y.

AU - Aoi, N.

AU - Fü, Zs

AU - Gomi, T.

AU - Higurashi, Y.

AU - Hirai, M.

AU - Iwasa, N.

AU - Iwasaki, H.

AU - Iwata, Y.

AU - Kobayashi, H.

AU - Kurokawa, M.

AU - Liu, Z.

AU - Minemura, T.

AU - Ozawa, S.

AU - Sakurai, H.

AU - Serata, M.

AU - Teranishi, T.

AU - Yamada, K.

AU - Yanagisawa, Y.

AU - Ishihara, M.

N1 - Funding Information: We would like to thank the RIKEN Ring Cyclotron staff members for their operation during the experiment. The present study was partially supported by the Grant-In-Aid for Scientific Research of the Japan Ministry of Education, Science and Culture under the program numbers (B) 08454069. One of the authors, S.T., is grateful to the support of the RIKEN Junior Research Associate Program.

PY - 2001/8/30

Y1 - 2001/8/30

N2 - The Isobaric Analog State (IAS) of the neutron-dripline nucleus 14Be has been found for the first time in a charge-exchange reaction 14Be(p,n)14B* in inverse kinematics at E(14Be) = 74 A MeV. The excitation energy and width of the observed IAS were measured to be 17.06 ± 0.03 MeV and 0.11 ± 0.05 MeV (FWHM), respectively. The Coulomb displacement energy and the measured width of the IAS are discussed in connection with a possible neutron-halo structure of the 14Be nucleus.

AB - The Isobaric Analog State (IAS) of the neutron-dripline nucleus 14Be has been found for the first time in a charge-exchange reaction 14Be(p,n)14B* in inverse kinematics at E(14Be) = 74 A MeV. The excitation energy and width of the observed IAS were measured to be 17.06 ± 0.03 MeV and 0.11 ± 0.05 MeV (FWHM), respectively. The Coulomb displacement energy and the measured width of the IAS are discussed in connection with a possible neutron-halo structure of the 14Be nucleus.

KW - Charge-exchange reactions

KW - Coulomb displacement energy

KW - Halo structure

KW - Isobaric analog state

KW - Radioactive beam experiment

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