Excited states in neutron rich boron isotopes

R. Kanungo; Z. Elekes; H. Baba; Zs Dombrádi; Zs Fülöp; J. Gibelin; Á Horváth; Y. Ichikawa; E. Ideguchi; N. Iwasa; H. Iwasaki; S. Kawai; Y. Kondo; T. Motobayashi; M. Notani; T. Ohnishi; A. Ozawa; H. Sakurai; S. Shimoura; E. Takeshita; S. Takeuchi; I. Tanihata; Y. Togano; C. Wu; Y. Yamaguchi; Y. Yanagisawa; A. Yoshida; K. Yoshida

doi:10.1016/j.physletb.2005.01.022

Excited states in neutron rich boron isotopes

R. Kanungo, Z. Elekes, H. Baba, Zs Dombrádi, Zs Fülöp, J. Gibelin, Á Horváth, Y. Ichikawa, E. Ideguchi, N. Iwasa, H. Iwasaki, S. Kawai, Y. Kondo, T. Motobayashi, M. Notani, T. Ohnishi, A. Ozawa, H. Sakurai, S. Shimoura, E. TakeshitaS. Takeuchi, I. Tanihata, Y. Togano, C. Wu, Y. Yamaguchi, Y. Yanagisawa, A. Yoshida, K. Yoshida

SCI - Physics

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

18 Citations (Scopus)

Abstract

New experimental results on in-beam gamma spectroscopy of neutron rich boron isotopes are presented for ¹⁷B and its neutron removal fragments ^14,15B, after scattering with a H₂ target. A gamma transition for ¹⁷B is observed at 1089±15 keV. The fragment ¹⁵B is observed abundantly associated with a gamma transition of 1336±10 keV. This suggests for the first time a core-excited structure for ¹⁷B thereby providing a new insight into its structure. Observations for ^12,14B are also presented. The data set provides a useful systematic study of first excited states of neutron rich boron isotopes showing the dramatic drop in excitation energy beyond N = 8.

Original language	English
Pages (from-to)	206-214
Number of pages	9
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	608
Issue number	3-4
DOIs	https://doi.org/10.1016/j.physletb.2005.01.022
Publication status	Published - 2005 Feb 24

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Kanungo, R., Elekes, Z., Baba, H., Dombrádi, Z., Fülöp, Z., Gibelin, J., Horváth, Á., Ichikawa, Y., Ideguchi, E., Iwasa, N., Iwasaki, H., Kawai, S., Kondo, Y., Motobayashi, T., Notani, M., Ohnishi, T., Ozawa, A., Sakurai, H., Shimoura, S., ... Yoshida, K. (2005). Excited states in neutron rich boron isotopes. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 608(3-4), 206-214. https://doi.org/10.1016/j.physletb.2005.01.022

Excited states in neutron rich boron isotopes. / Kanungo, R.; Elekes, Z.; Baba, H.; Dombrádi, Zs; Fülöp, Zs; Gibelin, J.; Horváth, Á; Ichikawa, Y.; Ideguchi, E.; Iwasa, N.; Iwasaki, H.; Kawai, S.; Kondo, Y.; Motobayashi, T.; Notani, M.; Ohnishi, T.; Ozawa, A.; Sakurai, H.; Shimoura, S.; Takeshita, E.; Takeuchi, S.; Tanihata, I.; Togano, Y.; Wu, C.; Yamaguchi, Y.; Yanagisawa, Y.; Yoshida, A.; Yoshida, K.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 608, No. 3-4, 24.02.2005, p. 206-214.

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

Kanungo, R, Elekes, Z, Baba, H, Dombrádi, Z, Fülöp, Z, Gibelin, J, Horváth, Á, Ichikawa, Y, Ideguchi, E, Iwasa, N, Iwasaki, H, Kawai, S, Kondo, Y, Motobayashi, T, Notani, M, Ohnishi, T, Ozawa, A, Sakurai, H, Shimoura, S, Takeshita, E, Takeuchi, S, Tanihata, I, Togano, Y, Wu, C, Yamaguchi, Y, Yanagisawa, Y, Yoshida, A & Yoshida, K 2005, 'Excited states in neutron rich boron isotopes', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 608, no. 3-4, pp. 206-214. https://doi.org/10.1016/j.physletb.2005.01.022

Kanungo, R. ; Elekes, Z. ; Baba, H. ; Dombrádi, Zs ; Fülöp, Zs ; Gibelin, J. ; Horváth, Á ; Ichikawa, Y. ; Ideguchi, E. ; Iwasa, N. ; Iwasaki, H. ; Kawai, S. ; Kondo, Y. ; Motobayashi, T. ; Notani, M. ; Ohnishi, T. ; Ozawa, A. ; Sakurai, H. ; Shimoura, S. ; Takeshita, E. ; Takeuchi, S. ; Tanihata, I. ; Togano, Y. ; Wu, C. ; Yamaguchi, Y. ; Yanagisawa, Y. ; Yoshida, A. ; Yoshida, K. / Excited states in neutron rich boron isotopes. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2005 ; Vol. 608, No. 3-4. pp. 206-214.

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title = "Excited states in neutron rich boron isotopes",

abstract = "New experimental results on in-beam gamma spectroscopy of neutron rich boron isotopes are presented for 17B and its neutron removal fragments 14,15B, after scattering with a H2 target. A gamma transition for 17B is observed at 1089±15 keV. The fragment 15B is observed abundantly associated with a gamma transition of 1336±10 keV. This suggests for the first time a core-excited structure for 17B thereby providing a new insight into its structure. Observations for 12,14B are also presented. The data set provides a useful systematic study of first excited states of neutron rich boron isotopes showing the dramatic drop in excitation energy beyond N = 8.",

author = "R. Kanungo and Z. Elekes and H. Baba and Zs Dombr{\'a}di and Zs F{\"u}l{\"o}p and J. Gibelin and {\'A} Horv{\'a}th and Y. Ichikawa and E. Ideguchi and N. Iwasa and H. Iwasaki and S. Kawai and Y. Kondo and T. Motobayashi and M. Notani and T. Ohnishi and A. Ozawa and H. Sakurai and S. Shimoura and E. Takeshita and S. Takeuchi and I. Tanihata and Y. Togano and C. Wu and Y. Yamaguchi and Y. Yanagisawa and A. Yoshida and K. Yoshida",

note = "Funding Information: The authors gratefully acknowledge the support of the cyclotron staff of RRC for a smooth accelerator operation. One of authors (Z.E.) is grateful for the JSPS Fellowship Program in RIKEN. The European authors thank the kind hospitality and support from RIKEN. The present work was partly supported by the Grant-in-Aid for Scientific Research (No. 1520417) by the Ministry of Education, Culture, Sports, Science and Technology and by OTKA T42733, T46901 and T032113. ",

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T1 - Excited states in neutron rich boron isotopes

AU - Kanungo, R.

AU - Elekes, Z.

AU - Baba, H.

AU - Dombrádi, Zs

AU - Fülöp, Zs

AU - Gibelin, J.

AU - Horváth, Á

AU - Ichikawa, Y.

AU - Ideguchi, E.

AU - Iwasa, N.

AU - Iwasaki, H.

AU - Kawai, S.

AU - Kondo, Y.

AU - Motobayashi, T.

AU - Notani, M.

AU - Ohnishi, T.

AU - Ozawa, A.

AU - Sakurai, H.

AU - Shimoura, S.

AU - Takeshita, E.

AU - Takeuchi, S.

AU - Tanihata, I.

AU - Togano, Y.

AU - Wu, C.

AU - Yamaguchi, Y.

AU - Yanagisawa, Y.

AU - Yoshida, A.

AU - Yoshida, K.

N1 - Funding Information: The authors gratefully acknowledge the support of the cyclotron staff of RRC for a smooth accelerator operation. One of authors (Z.E.) is grateful for the JSPS Fellowship Program in RIKEN. The European authors thank the kind hospitality and support from RIKEN. The present work was partly supported by the Grant-in-Aid for Scientific Research (No. 1520417) by the Ministry of Education, Culture, Sports, Science and Technology and by OTKA T42733, T46901 and T032113.

PY - 2005/2/24

Y1 - 2005/2/24

N2 - New experimental results on in-beam gamma spectroscopy of neutron rich boron isotopes are presented for 17B and its neutron removal fragments 14,15B, after scattering with a H2 target. A gamma transition for 17B is observed at 1089±15 keV. The fragment 15B is observed abundantly associated with a gamma transition of 1336±10 keV. This suggests for the first time a core-excited structure for 17B thereby providing a new insight into its structure. Observations for 12,14B are also presented. The data set provides a useful systematic study of first excited states of neutron rich boron isotopes showing the dramatic drop in excitation energy beyond N = 8.

AB - New experimental results on in-beam gamma spectroscopy of neutron rich boron isotopes are presented for 17B and its neutron removal fragments 14,15B, after scattering with a H2 target. A gamma transition for 17B is observed at 1089±15 keV. The fragment 15B is observed abundantly associated with a gamma transition of 1336±10 keV. This suggests for the first time a core-excited structure for 17B thereby providing a new insight into its structure. Observations for 12,14B are also presented. The data set provides a useful systematic study of first excited states of neutron rich boron isotopes showing the dramatic drop in excitation energy beyond N = 8.

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