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; 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; S. Watanabe; K. Minomo; S. Tagami; M. Shimada; M. Kimura; T. Matsumoto; Y. R. Shimizu; M. Yahiro

doi:10.1103/PhysRevC.90.061305

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. InabeY. 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, S. Watanabe, K. Minomo, S. Tagami, M. Shimada, M. Kimura, T. Matsumoto, Y. R. Shimizu, M. Yahiro

Experimental Particle Physics

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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 language	English
Article number	061305
Journal	Physical Review C - Nuclear Physics
Volume	90
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevC.90.061305
Publication status	Published - Dec 29 2014

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1103/PhysRevC.90.061305

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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, R. J., Fang, D. Q., Fukuda, N., Fukuoka, S., Furuki, H., ... 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, 90(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, 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, Watanabe, S, Minomo, K, Tagami, S, Shimada, M, Kimura, M, Matsumoto, T, Shimizu, YR & 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

@article{5dccbd5b64e5439398b552f69e4c988b,

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.",

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

note = "Publisher Copyright: {\textcopyright} 2014 American Physical Society.",

year = "2014",

month = dec,

day = "29",

doi = "10.1103/PhysRevC.90.061305",

language = "English",

volume = "90",

journal = "Physical Review C - Nuclear Physics",

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TY - JOUR

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 - Watanabe, S.

AU - Minomo, K.

AU - Tagami, S.

AU - Shimada, M.

AU - Kimura, M.

AU - Matsumoto, T.

AU - Shimizu, Y. R.

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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U2 - 10.1103/PhysRevC.90.061305

DO - 10.1103/PhysRevC.90.061305

M3 - Article

AN - SCOPUS:84920117574

SN - 0556-2813

VL - 90

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 6

M1 - 061305

ER -

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

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