Evidence of halo structure in Mg 37 observed via reaction cross sections and intruder orbitals beyond the island of inversion

M. Takechi, S. Suzuki, D. Nishimura, M. Fukuda, T. Ohtsubo, M. Nagashima, T. Suzuki, T. Yamaguchi, A. Ozawa, T. Moriguchi, H. Ohishi, T. Sumikama, H. Geissel, N. Aoi, Rui Jiu Chen, De Qing Fang, N. Fukuda, S. Fukuoka, H. Furuki, N. Inabe & 37 others Y. Ishibashi, T. Itoh, T. Izumikawa, D. Kameda, T. Kubo, M. Lantz, C. S. Lee, Yu Gang Ma, K. Matsuta, M. Mihara, S. Momota, D. Nagae, R. Nishikiori, T. Niwa, T. Ohnishi, K. Okumura, M. Ohtake, T. Ogura, H. Sakurai, K. Sato, Y. Shimbara, H. Suzuki, H. Takeda, S. Takeuchi, K. Tanaka, M. Tanaka, H. Uenishi, M. Winkler, Y. Yanagisawa, Masanobu Yahiro, K. Minomo, S. Tagami, M. Shimada, M. Kimura, Takuma Matsumoto, Yoshifumi Shimizu, M. Yahiro

Research output: Contribution to journalArticle

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Abstract

Precise reaction cross sections (σR) for Mg24-38 on C targets at energies around 240 MeV/nucleon have been measured at the Radioactive Isotope Beam Factory at RIKEN. The σR for Mg36-38 have been measured for the first time. An enhancement of σR compared to the systematics for spherical stable nuclei has been observed, especially in the neutron-rich region, which reflects the deformation of those isotopes. In the vicinity of the drip line the σR for Mg37 is especially large. It is shown by analysis using a recently developed theoretical method that this prominent enhancement of σR for Mg37 should come from the p-orbital halo formation breaking the N=28 shell gap.

Original languageEnglish
Article number061305
JournalPhysical Review C - Nuclear Physics
Volume90
Issue number6
DOIs
Publication statusPublished - Dec 29 2014

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halos
inversions
orbitals
augmentation
cross sections
industrial plants
radioactive isotopes
isotopes
neutrons
nuclei
energy

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

Evidence of halo structure in Mg 37 observed via reaction cross sections and intruder orbitals beyond the island of inversion. / Takechi, M.; Suzuki, S.; Nishimura, D.; Fukuda, M.; Ohtsubo, T.; Nagashima, M.; Suzuki, T.; Yamaguchi, T.; Ozawa, A.; Moriguchi, T.; Ohishi, H.; Sumikama, T.; Geissel, H.; Aoi, N.; Chen, Rui Jiu; Fang, De Qing; Fukuda, N.; Fukuoka, S.; Furuki, H.; Inabe, N.; Ishibashi, Y.; Itoh, T.; Izumikawa, T.; Kameda, D.; Kubo, T.; Lantz, M.; Lee, C. S.; Ma, Yu Gang; Matsuta, K.; Mihara, M.; Momota, S.; Nagae, D.; Nishikiori, R.; Niwa, T.; Ohnishi, T.; Okumura, K.; Ohtake, M.; Ogura, T.; Sakurai, H.; Sato, K.; Shimbara, Y.; Suzuki, H.; Takeda, H.; Takeuchi, S.; Tanaka, K.; Tanaka, M.; Uenishi, H.; Winkler, M.; Yanagisawa, Y.; Yahiro, Masanobu; Minomo, K.; Tagami, S.; Shimada, M.; Kimura, M.; Matsumoto, Takuma; Shimizu, Yoshifumi; Yahiro, M.

In: Physical Review C - Nuclear Physics, Vol. 90, No. 6, 061305, 29.12.2014.

Research output: Contribution to journalArticle

Takechi, M, Suzuki, S, Nishimura, D, Fukuda, M, Ohtsubo, T, Nagashima, M, Suzuki, T, Yamaguchi, T, Ozawa, A, Moriguchi, T, Ohishi, H, Sumikama, T, Geissel, H, Aoi, N, Chen, RJ, Fang, DQ, Fukuda, N, Fukuoka, S, Furuki, H, Inabe, N, Ishibashi, Y, Itoh, T, Izumikawa, T, Kameda, D, Kubo, T, Lantz, M, Lee, CS, Ma, YG, Matsuta, K, Mihara, M, Momota, S, Nagae, D, Nishikiori, R, Niwa, T, Ohnishi, T, Okumura, K, Ohtake, M, Ogura, T, Sakurai, H, Sato, K, Shimbara, Y, Suzuki, H, Takeda, H, Takeuchi, S, Tanaka, K, Tanaka, M, Uenishi, H, Winkler, M, Yanagisawa, Y, Yahiro, M, Minomo, K, Tagami, S, Shimada, M, Kimura, M, Matsumoto, T, Shimizu, Y & Yahiro, M 2014, 'Evidence of halo structure in Mg 37 observed via reaction cross sections and intruder orbitals beyond the island of inversion', Physical Review C - Nuclear Physics, vol. 90, no. 6, 061305. https://doi.org/10.1103/PhysRevC.90.061305
Takechi, M. ; Suzuki, S. ; Nishimura, D. ; Fukuda, M. ; Ohtsubo, T. ; Nagashima, M. ; Suzuki, T. ; Yamaguchi, T. ; Ozawa, A. ; Moriguchi, T. ; Ohishi, H. ; Sumikama, T. ; Geissel, H. ; Aoi, N. ; Chen, Rui Jiu ; Fang, De Qing ; Fukuda, N. ; Fukuoka, S. ; Furuki, H. ; Inabe, N. ; Ishibashi, Y. ; Itoh, T. ; Izumikawa, T. ; Kameda, D. ; Kubo, T. ; Lantz, M. ; Lee, C. S. ; Ma, Yu Gang ; Matsuta, K. ; Mihara, M. ; Momota, S. ; Nagae, D. ; Nishikiori, R. ; Niwa, T. ; Ohnishi, T. ; Okumura, K. ; Ohtake, M. ; Ogura, T. ; Sakurai, H. ; Sato, K. ; Shimbara, Y. ; Suzuki, H. ; Takeda, H. ; Takeuchi, S. ; Tanaka, K. ; Tanaka, M. ; Uenishi, H. ; Winkler, M. ; Yanagisawa, Y. ; Yahiro, Masanobu ; Minomo, K. ; Tagami, S. ; Shimada, M. ; Kimura, M. ; Matsumoto, Takuma ; Shimizu, Yoshifumi ; Yahiro, M. / Evidence of halo structure in Mg 37 observed via reaction cross sections and intruder orbitals beyond the island of inversion. In: Physical Review C - Nuclear Physics. 2014 ; Vol. 90, No. 6.
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title = "Evidence of halo structure in Mg 37 observed via reaction cross sections and intruder orbitals beyond the island of inversion",
abstract = "Precise reaction cross sections (σR) for Mg24-38 on C targets at energies around 240 MeV/nucleon have been measured at the Radioactive Isotope Beam Factory at RIKEN. The σR for Mg36-38 have been measured for the first time. An enhancement of σR compared to the systematics for spherical stable nuclei has been observed, especially in the neutron-rich region, which reflects the deformation of those isotopes. In the vicinity of the drip line the σR for Mg37 is especially large. It is shown by analysis using a recently developed theoretical method that this prominent enhancement of σR for Mg37 should come from the p-orbital halo formation breaking the N=28 shell gap.",
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T1 - Evidence of halo structure in Mg 37 observed via reaction cross sections and intruder orbitals beyond the island of inversion

AU - Takechi, M.

AU - Suzuki, S.

AU - Nishimura, D.

AU - Fukuda, M.

AU - Ohtsubo, T.

AU - Nagashima, M.

AU - Suzuki, T.

AU - Yamaguchi, T.

AU - Ozawa, A.

AU - Moriguchi, T.

AU - Ohishi, H.

AU - Sumikama, T.

AU - Geissel, H.

AU - Aoi, N.

AU - Chen, Rui Jiu

AU - Fang, De Qing

AU - Fukuda, N.

AU - Fukuoka, S.

AU - Furuki, H.

AU - Inabe, N.

AU - Ishibashi, Y.

AU - Itoh, T.

AU - Izumikawa, T.

AU - Kameda, D.

AU - Kubo, T.

AU - Lantz, M.

AU - Lee, C. S.

AU - Ma, Yu Gang

AU - Matsuta, K.

AU - Mihara, M.

AU - Momota, S.

AU - Nagae, D.

AU - Nishikiori, R.

AU - Niwa, T.

AU - Ohnishi, T.

AU - Okumura, K.

AU - Ohtake, M.

AU - Ogura, T.

AU - Sakurai, H.

AU - Sato, K.

AU - Shimbara, Y.

AU - Suzuki, H.

AU - Takeda, H.

AU - Takeuchi, S.

AU - Tanaka, K.

AU - Tanaka, M.

AU - Uenishi, H.

AU - Winkler, M.

AU - Yanagisawa, Y.

AU - Yahiro, Masanobu

AU - Minomo, K.

AU - Tagami, S.

AU - Shimada, M.

AU - Kimura, M.

AU - Matsumoto, Takuma

AU - Shimizu, Yoshifumi

AU - Yahiro, M.

PY - 2014/12/29

Y1 - 2014/12/29

N2 - Precise reaction cross sections (σR) for Mg24-38 on C targets at energies around 240 MeV/nucleon have been measured at the Radioactive Isotope Beam Factory at RIKEN. The σR for Mg36-38 have been measured for the first time. An enhancement of σR compared to the systematics for spherical stable nuclei has been observed, especially in the neutron-rich region, which reflects the deformation of those isotopes. In the vicinity of the drip line the σR for Mg37 is especially large. It is shown by analysis using a recently developed theoretical method that this prominent enhancement of σR for Mg37 should come from the p-orbital halo formation breaking the N=28 shell gap.

AB - Precise reaction cross sections (σR) for Mg24-38 on C targets at energies around 240 MeV/nucleon have been measured at the Radioactive Isotope Beam Factory at RIKEN. The σR for Mg36-38 have been measured for the first time. An enhancement of σR compared to the systematics for spherical stable nuclei has been observed, especially in the neutron-rich region, which reflects the deformation of those isotopes. In the vicinity of the drip line the σR for Mg37 is especially large. It is shown by analysis using a recently developed theoretical method that this prominent enhancement of σR for Mg37 should come from the p-orbital halo formation breaking the N=28 shell gap.

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