Development of an adiabatic field rotation system to measure spin polarization of unstable nuclei

Y. Ishibashi; N. Yoshida; H. Ueno; A. Yoshimi; Y. Ichikawa; Y. Abe; K. Asahi; M. Chikamori; T. Fujita; T. Furukawa; E. Hikota; D. Nagae; Y. Ohtomo; Y. Saito; H. Shirai; T. Suzuki; X. F. Yang; N. Sakamoto

doi:10.1016/j.nimb.2013.08.059

Development of an adiabatic field rotation system to measure spin polarization of unstable nuclei

Y. Ishibashi, N. Yoshida, H. Ueno, A. Yoshimi, Y. Ichikawa, Y. Abe, K. Asahi, M. Chikamori, T. Fujita, T. Furukawa, E. Hikota, D. Nagae, Y. Ohtomo, Y. Saito, H. Shirai, T. Suzuki, X. F. Yang, N. Sakamoto

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Abstract

A system for the spin-polarization measurement of unstable nuclei has been developed, in which the alternation of nuclear spins takes place by adiabatically rotating a holding magnetic field for the preservation of spin polarization, without applying a resonant oscillating magnetic field for NMR. The performance of the system was studied with spin-polarized ²⁰F (^Iπ = 2⁺,T1_/2 = 11.163 s) produced in the ¹⁹F(d→,p)²⁰→F reaction at E/A = 7 MeV at the RIKEN RIBF facility. In the measurement, the magnitude of ²⁰F spin polarization |P(²⁰F)|=1.6(2)% was successfully observed with the new system.

Original language	English
Pages (from-to)	714-716
Number of pages	3
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.2013.08.059
State	Published - 15 Dec 2013
Externally published	Yes

Keywords

Adiabatic field rotation
Nuclear electromagnetic moment
Spin polarization

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10.1016/j.nimb.2013.08.059

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Ishibashi, Y., Yoshida, N., Ueno, H., Yoshimi, A., Ichikawa, Y., Abe, Y., Asahi, K., Chikamori, M., Fujita, T., Furukawa, T., Hikota, E., Nagae, D., Ohtomo, Y., Saito, Y., Shirai, H., Suzuki, T., Yang, X. F., & Sakamoto, N. (2013). Development of an adiabatic field rotation system to measure spin polarization of unstable nuclei. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 317(PART B), 714-716. https://doi.org/10.1016/j.nimb.2013.08.059

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title = "Development of an adiabatic field rotation system to measure spin polarization of unstable nuclei",

abstract = "A system for the spin-polarization measurement of unstable nuclei has been developed, in which the alternation of nuclear spins takes place by adiabatically rotating a holding magnetic field for the preservation of spin polarization, without applying a resonant oscillating magnetic field for NMR. The performance of the system was studied with spin-polarized 20F (Iπ = 2+,T1/2 = 11.163 s) produced in the 19F(d→,p)20→F reaction at E/A = 7 MeV at the RIKEN RIBF facility. In the measurement, the magnitude of 20F spin polarization |P(20F)|=1.6(2)% was successfully observed with the new system.",

keywords = "Adiabatic field rotation, Nuclear electromagnetic moment, Spin polarization",

author = "Y. Ishibashi and N. Yoshida and H. Ueno and A. Yoshimi and Y. Ichikawa and Y. Abe and K. Asahi and M. Chikamori and T. Fujita and T. Furukawa and E. Hikota and D. Nagae and Y. Ohtomo and Y. Saito and H. Shirai and T. Suzuki and Yang, {X. F.} and N. Sakamoto",

note = "Funding Information: The authors wish to thank the technical staffs of RIKEN for their supports during the experiment and stable operation of AVF cyclotron. Two authors (Y.I. and Y.A.) thank junior research associate program in RIKEN. This work was partly supported by the JSPS KAKENHI (22340071).",

year = "2013",

month = dec,

day = "15",

doi = "10.1016/j.nimb.2013.08.059",

language = "English",

volume = "317",

pages = "714--716",

journal = "Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms",

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publisher = "Elsevier B.V.",

number = "PART B",

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Ishibashi, Y, Yoshida, N, Ueno, H, Yoshimi, A, Ichikawa, Y, Abe, Y, Asahi, K, Chikamori, M, Fujita, T, Furukawa, T, Hikota, E, Nagae, D, Ohtomo, Y, Saito, Y, Shirai, H, Suzuki, T, Yang, XF & Sakamoto, N 2013, 'Development of an adiabatic field rotation system to measure spin polarization of unstable nuclei', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 317, no. PART B, pp. 714-716. https://doi.org/10.1016/j.nimb.2013.08.059

Development of an adiabatic field rotation system to measure spin polarization of unstable nuclei. / Ishibashi, Y.; Yoshida, N.; Ueno, H. et al.
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. 714-716.

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

TY - JOUR

T1 - Development of an adiabatic field rotation system to measure spin polarization of unstable nuclei

AU - Ishibashi, Y.

AU - Yoshida, N.

AU - Ueno, H.

AU - Yoshimi, A.

AU - Ichikawa, Y.

AU - Abe, Y.

AU - Asahi, K.

AU - Chikamori, M.

AU - Fujita, T.

AU - Furukawa, T.

AU - Hikota, E.

AU - Nagae, D.

AU - Ohtomo, Y.

AU - Saito, Y.

AU - Shirai, H.

AU - Suzuki, T.

AU - Yang, X. F.

AU - Sakamoto, N.

N1 - Funding Information: The authors wish to thank the technical staffs of RIKEN for their supports during the experiment and stable operation of AVF cyclotron. Two authors (Y.I. and Y.A.) thank junior research associate program in RIKEN. This work was partly supported by the JSPS KAKENHI (22340071).

PY - 2013/12/15

Y1 - 2013/12/15

N2 - A system for the spin-polarization measurement of unstable nuclei has been developed, in which the alternation of nuclear spins takes place by adiabatically rotating a holding magnetic field for the preservation of spin polarization, without applying a resonant oscillating magnetic field for NMR. The performance of the system was studied with spin-polarized 20F (Iπ = 2+,T1/2 = 11.163 s) produced in the 19F(d→,p)20→F reaction at E/A = 7 MeV at the RIKEN RIBF facility. In the measurement, the magnitude of 20F spin polarization |P(20F)|=1.6(2)% was successfully observed with the new system.

AB - A system for the spin-polarization measurement of unstable nuclei has been developed, in which the alternation of nuclear spins takes place by adiabatically rotating a holding magnetic field for the preservation of spin polarization, without applying a resonant oscillating magnetic field for NMR. The performance of the system was studied with spin-polarized 20F (Iπ = 2+,T1/2 = 11.163 s) produced in the 19F(d→,p)20→F reaction at E/A = 7 MeV at the RIKEN RIBF facility. In the measurement, the magnitude of 20F spin polarization |P(20F)|=1.6(2)% was successfully observed with the new system.

KW - Adiabatic field rotation

KW - Nuclear electromagnetic moment

KW - Spin polarization

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DO - 10.1016/j.nimb.2013.08.059

M3 - Article

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SN - 0168-583X

VL - 317

SP - 714

EP - 716

JO - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms

JF - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms

IS - PART B

ER -

Development of an adiabatic field rotation system to measure spin polarization of unstable nuclei

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Keywords

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