Interaction cross sections for Ne isotopes towards the island of inversion and halo structures of 29Ne and 31Ne

M. Takechi; T. Ohtsubo; M. Fukuda; D. Nishimura; T. Kuboki; T. Suzuki; T. Yamaguchi; A. Ozawa; T. Moriguchi; H. Ooishi; D. Nagae; H. Suzuki; S. Suzuki; T. Izumikawa; T. Sumikama; M. Ishihara; H. Geissel; N. Aoi; Rui Jiu Chen; De Qing Fang; N. Fukuda; I. Hachiuma; N. Inabe; Y. Ishibashi; Y. Ito; D. Kameda; T. Kubo; K. Kusaka; M. Lantz; Yu Gang Ma; K. Matsuta; M. Mihara; Y. Miyashita; S. Momota; K. Namihira; M. Nagashima; Y. Ohkuma; T. Ohnishi; M. Ohtake; K. Ogawa; H. Sakurai; Y. Shimbara; T. Suda; H. Takeda; S. Takeuchi; K. Tanaka; R. Watanabe; M. Winkler; Y. Yanagisawa; Y. Yasuda; K. Yoshinaga; A. Yoshida; K. Yoshida

doi:10.1016/j.physletb.2011.12.028

Interaction cross sections for Ne isotopes towards the island of inversion and halo structures of ²⁹Ne and ³¹Ne

M. Takechi, T. Ohtsubo, M. Fukuda, D. Nishimura, T. Kuboki, T. Suzuki, T. Yamaguchi, A. Ozawa, T. Moriguchi, H. Ooishi, D. Nagae, H. Suzuki, S. Suzuki, T. Izumikawa, T. Sumikama, M. Ishihara, H. Geissel, N. Aoi, Rui Jiu Chen, De Qing FangN. Fukuda, I. Hachiuma, N. Inabe, Y. Ishibashi, Y. Ito, D. Kameda, T. Kubo, K. Kusaka, M. Lantz, Yu Gang Ma, K. Matsuta, M. Mihara, Y. Miyashita, S. Momota, K. Namihira, M. Nagashima, Y. Ohkuma, T. Ohnishi, M. Ohtake, K. Ogawa, H. Sakurai, Y. Shimbara, T. Suda, H. Takeda, S. Takeuchi, K. Tanaka, R. Watanabe, M. Winkler, Y. Yanagisawa, Y. Yasuda, K. Yoshinaga, A. Yoshida, K. Yoshida

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

76 Citations (Scopus)

Abstract

Interaction cross sections (σ _I) for Ne isotopes from the stability line to the vicinity of the neutron drip line have been measured at around 240 MeV/nucleon using BigRIPS at RIBF, RIKEN. The σ _I for ^27-32Ne in every case exceed the systematic mass-number dependence of σ _I for stable nuclei, which can be explained by considering the nuclear deformation. In particular the σ _I for ²⁹Ne and ³¹Ne are significantly greater than those of their neighboring nuclides. These enhancements of σ _I for ²⁹Ne and ³¹Ne cannot be explained by a single-particle model calculation under the assumption that the valence neutron of ²⁹Ne ( ³¹Ne) occupies the 0d _3/2 (0f _7/2) orbital, as expected from the standard spherical shell ordering. The present data suggest an s dominant halo structure of ²⁹Ne and s- or p-orbital halo in ³¹Ne.

Original language	English
Pages (from-to)	357-361
Number of pages	5
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	707
Issue number	3-4
DOIs	https://doi.org/10.1016/j.physletb.2011.12.028
Publication status	Published - 2012 Feb 1
Externally published	Yes

Keywords

Island of inversion
Neutron halo

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/j.physletb.2011.12.028

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Takechi, M., Ohtsubo, T., Fukuda, M., Nishimura, D., Kuboki, T., Suzuki, T., Yamaguchi, T., Ozawa, A., Moriguchi, T., Ooishi, H., Nagae, D., Suzuki, H., Suzuki, S., Izumikawa, T., Sumikama, T., Ishihara, M., Geissel, H., Aoi, N., Chen, R. J., ... Yoshida, K. (2012). Interaction cross sections for Ne isotopes towards the island of inversion and halo structures of ²⁹Ne and ³¹Ne. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 707(3-4), 357-361. https://doi.org/10.1016/j.physletb.2011.12.028

Interaction cross sections for Ne isotopes towards the island of inversion and halo structures of ²⁹Ne and ³¹Ne. / Takechi, M.; Ohtsubo, T.; Fukuda, M.; Nishimura, D.; Kuboki, T.; Suzuki, T.; Yamaguchi, T.; Ozawa, A.; Moriguchi, T.; Ooishi, H.; Nagae, D.; Suzuki, H.; Suzuki, S.; Izumikawa, T.; Sumikama, T.; Ishihara, M.; Geissel, H.; Aoi, N.; Chen, Rui Jiu; Fang, De Qing; Fukuda, N.; Hachiuma, I.; Inabe, N.; Ishibashi, Y.; Ito, Y.; Kameda, D.; Kubo, T.; Kusaka, K.; Lantz, M.; Ma, Yu Gang; Matsuta, K.; Mihara, M.; Miyashita, Y.; Momota, S.; Namihira, K.; Nagashima, M.; Ohkuma, Y.; Ohnishi, T.; Ohtake, M.; Ogawa, K.; Sakurai, H.; Shimbara, Y.; Suda, T.; Takeda, H.; Takeuchi, S.; Tanaka, K.; Watanabe, R.; Winkler, M.; Yanagisawa, Y.; Yasuda, Y.; Yoshinaga, K.; Yoshida, A.; Yoshida, K.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 707, No. 3-4, 01.02.2012, p. 357-361.

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

Takechi, M, Ohtsubo, T, Fukuda, M, Nishimura, D, Kuboki, T, Suzuki, T, Yamaguchi, T, Ozawa, A, Moriguchi, T, Ooishi, H, Nagae, D, Suzuki, H, Suzuki, S, Izumikawa, T, Sumikama, T, Ishihara, M, Geissel, H, Aoi, N, Chen, RJ, Fang, DQ, Fukuda, N, Hachiuma, I, Inabe, N, Ishibashi, Y, Ito, Y, Kameda, D, Kubo, T, Kusaka, K, Lantz, M, Ma, YG, Matsuta, K, Mihara, M, Miyashita, Y, Momota, S, Namihira, K, Nagashima, M, Ohkuma, Y, Ohnishi, T, Ohtake, M, Ogawa, K, Sakurai, H, Shimbara, Y, Suda, T, Takeda, H, Takeuchi, S, Tanaka, K, Watanabe, R, Winkler, M, Yanagisawa, Y, Yasuda, Y, Yoshinaga, K, Yoshida, A & Yoshida, K 2012, 'Interaction cross sections for Ne isotopes towards the island of inversion and halo structures of ²⁹Ne and ³¹Ne', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 707, no. 3-4, pp. 357-361. https://doi.org/10.1016/j.physletb.2011.12.028

Takechi, M. ; Ohtsubo, T. ; Fukuda, M. ; Nishimura, D. ; Kuboki, T. ; Suzuki, T. ; Yamaguchi, T. ; Ozawa, A. ; Moriguchi, T. ; Ooishi, H. ; Nagae, D. ; Suzuki, H. ; Suzuki, S. ; Izumikawa, T. ; Sumikama, T. ; Ishihara, M. ; Geissel, H. ; Aoi, N. ; Chen, Rui Jiu ; Fang, De Qing ; Fukuda, N. ; Hachiuma, I. ; Inabe, N. ; Ishibashi, Y. ; Ito, Y. ; Kameda, D. ; Kubo, T. ; Kusaka, K. ; Lantz, M. ; Ma, Yu Gang ; Matsuta, K. ; Mihara, M. ; Miyashita, Y. ; Momota, S. ; Namihira, K. ; Nagashima, M. ; Ohkuma, Y. ; Ohnishi, T. ; Ohtake, M. ; Ogawa, K. ; Sakurai, H. ; Shimbara, Y. ; Suda, T. ; Takeda, H. ; Takeuchi, S. ; Tanaka, K. ; Watanabe, R. ; Winkler, M. ; Yanagisawa, Y. ; Yasuda, Y. ; Yoshinaga, K. ; Yoshida, A. ; Yoshida, K. / Interaction cross sections for Ne isotopes towards the island of inversion and halo structures of ²⁹Ne and ³¹Ne. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2012 ; Vol. 707, No. 3-4. pp. 357-361.

@article{b76a78650b174d4e88cc8824e80ac45c,

title = "Interaction cross sections for Ne isotopes towards the island of inversion and halo structures of 29Ne and 31Ne",

abstract = "Interaction cross sections (σ I) for Ne isotopes from the stability line to the vicinity of the neutron drip line have been measured at around 240 MeV/nucleon using BigRIPS at RIBF, RIKEN. The σ I for 27-32Ne in every case exceed the systematic mass-number dependence of σ I for stable nuclei, which can be explained by considering the nuclear deformation. In particular the σ I for 29Ne and 31Ne are significantly greater than those of their neighboring nuclides. These enhancements of σ I for 29Ne and 31Ne cannot be explained by a single-particle model calculation under the assumption that the valence neutron of 29Ne ( 31Ne) occupies the 0d 3/2 (0f 7/2) orbital, as expected from the standard spherical shell ordering. The present data suggest an s dominant halo structure of 29Ne and s- or p-orbital halo in 31Ne.",

keywords = "Island of inversion, Neutron halo",

author = "M. Takechi and T. Ohtsubo and M. Fukuda and D. Nishimura and T. Kuboki and T. Suzuki and T. Yamaguchi and A. Ozawa and T. Moriguchi and H. Ooishi and D. Nagae and H. Suzuki and S. Suzuki and T. Izumikawa and T. Sumikama and M. Ishihara and H. Geissel and N. Aoi and Chen, {Rui Jiu} and Fang, {De Qing} and N. Fukuda and I. Hachiuma and N. Inabe and Y. Ishibashi and Y. Ito and D. Kameda and T. Kubo and K. Kusaka and M. Lantz and Ma, {Yu Gang} and K. Matsuta and M. Mihara and Y. Miyashita and S. Momota and K. Namihira and M. Nagashima and Y. Ohkuma and T. Ohnishi and M. Ohtake and K. Ogawa and H. Sakurai and Y. Shimbara and T. Suda and H. Takeda and S. Takeuchi and K. Tanaka and R. Watanabe and M. Winkler and Y. Yanagisawa and Y. Yasuda and K. Yoshinaga and A. Yoshida and K. Yoshida",

note = "Funding Information: We would like to thank the accelerator staff of the RIKEN Nishina Center for providing the intense 48 Ca beam. We also wish to thank J. Miller at LBNL for his careful reading of the manuscript, and K. Hagino and K. Yoshida for making their code for single-particle states in a deformed Woods–Saxon potential available to us. This work was partially supported by the Grant-in-Aid for Young Scientists (B), 22740186 , 2010, from the Japan Society for the Promotion of Science . Y.G.M. and D.Q.F. acknowledge the support by the National Natural Science Foundation of China under contract Nos. 10975074 and 10775167 , and the Major State Basic Research Development Program in China under contract No. 2007CB815004 .",

year = "2012",

month = feb,

day = "1",

doi = "10.1016/j.physletb.2011.12.028",

language = "English",

volume = "707",

pages = "357--361",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier",

number = "3-4",

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TY - JOUR

T1 - Interaction cross sections for Ne isotopes towards the island of inversion and halo structures of 29Ne and 31Ne

AU - Takechi, M.

AU - Ohtsubo, T.

AU - Fukuda, M.

AU - Nishimura, D.

AU - Kuboki, T.

AU - Suzuki, T.

AU - Yamaguchi, T.

AU - Ozawa, A.

AU - Moriguchi, T.

AU - Ooishi, H.

AU - Nagae, D.

AU - Suzuki, H.

AU - Suzuki, S.

AU - Izumikawa, T.

AU - Sumikama, T.

AU - Ishihara, M.

AU - Geissel, H.

AU - Aoi, N.

AU - Chen, Rui Jiu

AU - Fang, De Qing

AU - Fukuda, N.

AU - Hachiuma, I.

AU - Inabe, N.

AU - Ishibashi, Y.

AU - Ito, Y.

AU - Kameda, D.

AU - Kubo, T.

AU - Kusaka, K.

AU - Lantz, M.

AU - Ma, Yu Gang

AU - Matsuta, K.

AU - Mihara, M.

AU - Miyashita, Y.

AU - Momota, S.

AU - Namihira, K.

AU - Nagashima, M.

AU - Ohkuma, Y.

AU - Ohnishi, T.

AU - Ohtake, M.

AU - Ogawa, K.

AU - Sakurai, H.

AU - Shimbara, Y.

AU - Suda, T.

AU - Takeda, H.

AU - Takeuchi, S.

AU - Tanaka, K.

AU - Watanabe, R.

AU - Winkler, M.

AU - Yanagisawa, Y.

AU - Yasuda, Y.

AU - Yoshinaga, K.

AU - Yoshida, A.

AU - Yoshida, K.

N1 - Funding Information: We would like to thank the accelerator staff of the RIKEN Nishina Center for providing the intense 48 Ca beam. We also wish to thank J. Miller at LBNL for his careful reading of the manuscript, and K. Hagino and K. Yoshida for making their code for single-particle states in a deformed Woods–Saxon potential available to us. This work was partially supported by the Grant-in-Aid for Young Scientists (B), 22740186 , 2010, from the Japan Society for the Promotion of Science . Y.G.M. and D.Q.F. acknowledge the support by the National Natural Science Foundation of China under contract Nos. 10975074 and 10775167 , and the Major State Basic Research Development Program in China under contract No. 2007CB815004 .

PY - 2012/2/1

Y1 - 2012/2/1

N2 - Interaction cross sections (σ I) for Ne isotopes from the stability line to the vicinity of the neutron drip line have been measured at around 240 MeV/nucleon using BigRIPS at RIBF, RIKEN. The σ I for 27-32Ne in every case exceed the systematic mass-number dependence of σ I for stable nuclei, which can be explained by considering the nuclear deformation. In particular the σ I for 29Ne and 31Ne are significantly greater than those of their neighboring nuclides. These enhancements of σ I for 29Ne and 31Ne cannot be explained by a single-particle model calculation under the assumption that the valence neutron of 29Ne ( 31Ne) occupies the 0d 3/2 (0f 7/2) orbital, as expected from the standard spherical shell ordering. The present data suggest an s dominant halo structure of 29Ne and s- or p-orbital halo in 31Ne.

AB - Interaction cross sections (σ I) for Ne isotopes from the stability line to the vicinity of the neutron drip line have been measured at around 240 MeV/nucleon using BigRIPS at RIBF, RIKEN. The σ I for 27-32Ne in every case exceed the systematic mass-number dependence of σ I for stable nuclei, which can be explained by considering the nuclear deformation. In particular the σ I for 29Ne and 31Ne are significantly greater than those of their neighboring nuclides. These enhancements of σ I for 29Ne and 31Ne cannot be explained by a single-particle model calculation under the assumption that the valence neutron of 29Ne ( 31Ne) occupies the 0d 3/2 (0f 7/2) orbital, as expected from the standard spherical shell ordering. The present data suggest an s dominant halo structure of 29Ne and s- or p-orbital halo in 31Ne.

KW - Island of inversion

KW - Neutron halo

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U2 - 10.1016/j.physletb.2011.12.028

DO - 10.1016/j.physletb.2011.12.028

M3 - Article

AN - SCOPUS:84855689173

VL - 707

SP - 357

EP - 361

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

SN - 0370-2693

IS - 3-4

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