Spin-aligned RI beams via two-step fragmentation reactions

Y. Ichikawa; H. Ueno; Y. Ishii; T. Furukawa; A. Yoshimi; D. Kameda; H. Watanabe; N. Aoi; K. Asahi; D. L. Balabanski; R. Chevrier; J. M. Daugas; N. Fukuda; G. Georgiev; H. Hayashi; H. Iijima; N. Inabe; T. Inoue; M. Ishihara; T. Kubo; T. Nanao; T. Ohnishi; K. Suzuki; M. Tsuchiya; H. Takeda; M. M. Rajabali

doi:10.1016/j.nimb.2013.04.071

Spin-aligned RI beams via two-step fragmentation reactions

Y. Ichikawa, H. Ueno, Y. Ishii, T. Furukawa, A. Yoshimi, D. Kameda, H. Watanabe, N. Aoi, K. Asahi, D. L. Balabanski, R. Chevrier, J. M. Daugas, N. Fukuda, G. Georgiev, H. Hayashi, H. Iijima, N. Inabe, T. Inoue, M. Ishihara, T. KuboT. Nanao, T. Ohnishi, K. Suzuki, M. Tsuchiya, H. Takeda, M. M. Rajabali

Research Institute for Interdisciplinary Science

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

Abstract

A method to produce spin-aligned rare isotope (RI) beams has been developed, where a scheme of two-step projectile fragmentation to produce the RI of interest with high spin alignment and a technique of momentum-dispersion matching are combined. Effectiveness of the present method was demonstrated in an experiment at the RIKEN RIBF, where an RI beam of ³²Al with spin alignment of 8(1)% was successfully produced from a primary beam of ⁴⁸Ca, via an intermediate RI of ³³Al. Figure of merit of the present method was found to be more than 50 times greater than that of the conventional method employing single-step projectile fragmentation.

Original language	English
Pages (from-to)	769-773
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	317
Issue number	PART B
DOIs	https://doi.org/10.1016/j.nimb.2013.04.071
Publication status	Published - Dec 15 2013

Keywords

Nuclear moment
Nuclear spin
RI beam

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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Ichikawa, Y., Ueno, H., Ishii, Y., Furukawa, T., Yoshimi, A., Kameda, D., Watanabe, H., Aoi, N., Asahi, K., Balabanski, D. L., Chevrier, R., Daugas, J. M., Fukuda, N., Georgiev, G., Hayashi, H., Iijima, H., Inabe, N., Inoue, T., Ishihara, M., ... Rajabali, M. M. (2013). Spin-aligned RI beams via two-step fragmentation reactions. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 317(PART B), 769-773. https://doi.org/10.1016/j.nimb.2013.04.071

Spin-aligned RI beams via two-step fragmentation reactions. / Ichikawa, Y.; Ueno, H.; Ishii, Y.; Furukawa, T.; Yoshimi, A.; Kameda, D.; Watanabe, H.; Aoi, N.; Asahi, K.; Balabanski, D. L.; Chevrier, R.; Daugas, J. M.; Fukuda, N.; Georgiev, G.; Hayashi, H.; Iijima, H.; Inabe, N.; Inoue, T.; Ishihara, M.; Kubo, T.; Nanao, T.; Ohnishi, T.; Suzuki, K.; Tsuchiya, M.; Takeda, H.; Rajabali, M. M.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 317, No. PART B, 15.12.2013, p. 769-773.

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

Ichikawa, Y, Ueno, H, Ishii, Y, Furukawa, T, Yoshimi, A, Kameda, D, Watanabe, H, Aoi, N, Asahi, K, Balabanski, DL, Chevrier, R, Daugas, JM, Fukuda, N, Georgiev, G, Hayashi, H, Iijima, H, Inabe, N, Inoue, T, Ishihara, M, Kubo, T, Nanao, T, Ohnishi, T, Suzuki, K, Tsuchiya, M, Takeda, H & Rajabali, MM 2013, 'Spin-aligned RI beams via two-step fragmentation reactions', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 317, no. PART B, pp. 769-773. https://doi.org/10.1016/j.nimb.2013.04.071

Ichikawa, Y. ; Ueno, H. ; Ishii, Y. ; Furukawa, T. ; Yoshimi, A. ; Kameda, D. ; Watanabe, H. ; Aoi, N. ; Asahi, K. ; Balabanski, D. L. ; Chevrier, R. ; Daugas, J. M. ; Fukuda, N. ; Georgiev, G. ; Hayashi, H. ; Iijima, H. ; Inabe, N. ; Inoue, T. ; Ishihara, M. ; Kubo, T. ; Nanao, T. ; Ohnishi, T. ; Suzuki, K. ; Tsuchiya, M. ; Takeda, H. ; Rajabali, M. M. / Spin-aligned RI beams via two-step fragmentation reactions. In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2013 ; Vol. 317, No. PART B. pp. 769-773.

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abstract = "A method to produce spin-aligned rare isotope (RI) beams has been developed, where a scheme of two-step projectile fragmentation to produce the RI of interest with high spin alignment and a technique of momentum-dispersion matching are combined. Effectiveness of the present method was demonstrated in an experiment at the RIKEN RIBF, where an RI beam of 32Al with spin alignment of 8(1)% was successfully produced from a primary beam of 48Ca, via an intermediate RI of 33Al. Figure of merit of the present method was found to be more than 50 times greater than that of the conventional method employing single-step projectile fragmentation.",

keywords = "Nuclear moment, Nuclear spin, RI beam",

author = "Y. Ichikawa and H. Ueno and Y. Ishii and T. Furukawa and A. Yoshimi and D. Kameda and H. Watanabe and N. Aoi and K. Asahi and Balabanski, {D. L.} and R. Chevrier and Daugas, {J. M.} and N. Fukuda and G. Georgiev and H. Hayashi and H. Iijima and N. Inabe and T. Inoue and M. Ishihara and T. Kubo and T. Nanao and T. Ohnishi and K. Suzuki and M. Tsuchiya and H. Takeda and Rajabali, {M. M.}",

note = "Funding Information: Experiments were performed under Program No. NP0702-RIBF018 at RIBF, operated by RIKEN Nishina Center and CNS, The University of Tokyo. We thank the RIKEN Ring Cyclotron staff for their cooperation during experiments. Y.I. is grateful to the Special Postdoctoral Researchers Program, RIKEN. This work was partly supported by the JSPS KAKENHI ( 22340071 and 20532089 ), by the JSPS and MAEE under the Japan-France Integrated Action Program (SAKURA), and by the Bulgarian National Fund (grant DID-02/16 ). ",

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T1 - Spin-aligned RI beams via two-step fragmentation reactions

AU - Ichikawa, Y.

AU - Ueno, H.

AU - Ishii, Y.

AU - Furukawa, T.

AU - Yoshimi, A.

AU - Kameda, D.

AU - Watanabe, H.

AU - Aoi, N.

AU - Asahi, K.

AU - Balabanski, D. L.

AU - Chevrier, R.

AU - Daugas, J. M.

AU - Fukuda, N.

AU - Georgiev, G.

AU - Hayashi, H.

AU - Iijima, H.

AU - Inabe, N.

AU - Inoue, T.

AU - Ishihara, M.

AU - Kubo, T.

AU - Nanao, T.

AU - Ohnishi, T.

AU - Suzuki, K.

AU - Tsuchiya, M.

AU - Takeda, H.

AU - Rajabali, M. M.

N1 - Funding Information: Experiments were performed under Program No. NP0702-RIBF018 at RIBF, operated by RIKEN Nishina Center and CNS, The University of Tokyo. We thank the RIKEN Ring Cyclotron staff for their cooperation during experiments. Y.I. is grateful to the Special Postdoctoral Researchers Program, RIKEN. This work was partly supported by the JSPS KAKENHI ( 22340071 and 20532089 ), by the JSPS and MAEE under the Japan-France Integrated Action Program (SAKURA), and by the Bulgarian National Fund (grant DID-02/16 ).

PY - 2013/12/15

Y1 - 2013/12/15

N2 - A method to produce spin-aligned rare isotope (RI) beams has been developed, where a scheme of two-step projectile fragmentation to produce the RI of interest with high spin alignment and a technique of momentum-dispersion matching are combined. Effectiveness of the present method was demonstrated in an experiment at the RIKEN RIBF, where an RI beam of 32Al with spin alignment of 8(1)% was successfully produced from a primary beam of 48Ca, via an intermediate RI of 33Al. Figure of merit of the present method was found to be more than 50 times greater than that of the conventional method employing single-step projectile fragmentation.

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