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Your search keyword '"SPIN polarization"' showing total 2 results
Start Over Descriptor "SPIN polarization" Topic polarization (nuclear physics) Journal hyperfine interactions Publisher springer nature
2 results on '"SPIN polarization"'

1. NMR detection of short-lived β-emitter N implanted in water.

Author

Sugihara, T., Mihara, M., Shimaya, J., Matsuta, K., Fukuda, M., Ohno, J., Tanaka, M., Yamaoka, S., Watanabe, K., Iwakiri, S., Yanagihara, R., Tanaka, Y., Du, H., Onishi, K., Kambayashi, S., Minamisono, T., Nishimura, D., Izumikawa, T., Ozawa, A., and Ishibashi, Y.

Subjects
*NUCLEAR magnetic resonance spectroscopy, *SPIN polarization, *POLARIZATION (Nuclear physics), *CHEMICAL shift (Nuclear magnetic resonance), *NUCLEAR energy
Abstract

The beta-detected nuclear magnetic resonance ( β-NMR) in liquid HO has been observed for the first time using a short-lived β-ray emitter N ( I = 1, T =11 ms). A nuclear spin polarized N beam with an energy of about 20 MeV/nucleon was implanted into an enclosed water sample. About 50 % of implanted N ions maintained nuclear polarization and exhibited a β-NMR spectrum. The chemical shift of N in HO relative to N in Pt was deduced to be −(3.6±0.5) × 10 ppm. [ABSTRACT FROM AUTHOR]

Published
2017
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2. Production of spin-polarized 17N beam using inverse-kinematics low-energy transfer reactions.

Author

Shimada, K., Nagae, D., Asahi, K., Inoue, T., Takase, K., Kagami, S., Hatakeyama, N., Kobayashi, Y., Ueno, H., Yoshimi, A., Kameda, D., Nagatomo, T., Sugimoto, T., Kubono, S., Yamaguchi, H., Wakabayashi, Y., Amadio, G., Hayakawa, S., Murata, J., and Kawamura, H.

Subjects
*ENERGY transfer, *KINEMATICS, *RADIOACTIVE nuclear beams, *POLARIZATION (Nuclear physics), *PHYSICS
Abstract

A new method to produce spin-polarized radioactive nuclear beams has been developed, which takes advantage of the low-energy transfer reaction in inverse kinematics. The method provides beam energies of a convenient range so that they may be implanted in a thin stopper, yet allowing the stopper to be spatially separated from the production target. The presence of polarizations of sizes at least $\left|P\right|\sim 0.5 \%$ has been confirmed for a 17N beam obtained from 9Be(18O,17N) reaction at $\theta_{\rm Lab} \sim -1.7\,^{\circ}$ . [ABSTRACT FROM AUTHOR]

Published
2007
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