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NSR database version of April 11, 2024.

Search: Author = A.Hatakeyama

Found 7 matches.

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2015HI02      Phys.Rev. C 91, 024328 (2015)

Y.Hirayama, T.Shimoda, H.Miyatake, H.Izumi, A.Hatakeyama, K.P.Jackson, C.D.P.Levy, M.Pearson, M.Yagi, H.Yano

Unexpected spin-parity assignments of the excited states in 9Be

RADIOACTIVITY 9Li(β-), (β-n)[30.5 keV 9Li beam polarized by collinear optical pumping technique]; measured Eβ, E(n) by TOF, I(n), nβ-coin, β-decay asymmetry spectrum as function of TOF at TRIUMF-ISAC facility. 9Be; deduced levels, J, π, β-delayed neutron transitions, asymmetry parameter for each β transition, Iβ, logft. Comparison with previous experimental data, and theoretical shell-model calculations. 5He, 8Be; deduced neutron branching ratios from states in 9Be through n+8Be and α+5He channels to 0+ and first 2+ states in 8Be and 3/2- state in 5He.

doi: 10.1103/PhysRevC.91.024328
Citations: PlumX Metrics


2015IM02      Hyperfine Interactions 230, 73 (2015)

K.Imamura, T.Furukawa, X.F.Yang, Y.Mitsuya, T.Fujita, M.Hayasaka, T.Kobayashi, A.Hatakeyama, H.Ueno, H.Odashima, Y.Matsuo

Measurement of the hyperfine splitting of 133Cs atoms in superfluid helium

NUCLEAR MOMENTS 85,87Rb, 133Cs, 197Au, 107,109Ag, 84,86Rb; measured HFS resonance spectra; deduced feasibility of hyperfine splitting and magnetic moments measurements. Comparison with available data.

doi: 10.1007/s10751-014-1102-z
Citations: PlumX Metrics


2014YA28      Phys.Rev. A 90, 052516 (2014)

X.Yang, T.Furukawa, T.Wakui, T.Fujita, K.Imamura, Y.Mitsuya, M.Hayasaka, Y.Ichikawa, Y.Ishibashi, H.Shirai, T.Suzuki, Y.Ebara, A.Hatakeyama, M.Wada, T.Sonoda, Y.Ito, T.Kobayashi, S.Nishimura, Mizuki Kurata-Nishimura, Y.Kondo, K.-I.Yoneda, S.Kubono, Y.Ohshiro, H.Ueno, T.Shinozuka, T.Shimoda, K.Asahi, Y.Matsuo

Laser-radio-frequency double-resonance spectroscopy of 84-87Rb isotopes trapped in superfluid helium

NUCLEAR MOMENTS 84,85,86,87Rb; measured laser-radio-frequency double-resonance spectra; deduced nuclear spin values with reasonable accuracy.

doi: 10.1103/PhysRevA.90.052516
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2005HI03      Phys.Lett. B 611, 239 (2005)

Y.Hirayama, T.Shimoda, H.Izumi, A.Hatakeyama, K.P.Jackson, C.D.P.Levy, H.Miyatake, M.Yagi, H.Yano

Study of 11Be structure through β-delayed decays from polarized 11Li

RADIOACTIVITY 11Li(β-), (β-n); measured β-delayed Eγ, En, asymmetry following decay of spin-polarized source. 10,11Be deduced levels, J, π, S-factors. Comparison with antisymmetrized molecular dynamics model predictions.

doi: 10.1016/j.physletb.2005.02.040
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Data from this article have been entered in the XUNDL database. For more information, click here.


2004HI12      Nucl.Phys. A738, 201 (2004)

Y.Hirayama, T.Shimoda, H.Izumi, H.Yano, M.Yagi, A.Hatakeyama, C.D.P.Levy, K.P.Jackson, H.Miyatake

Spectroscopic study of 11Be through β-delayed neutron and γ-decays of spin-polarized 11Li

RADIOACTIVITY 11Li(β-), (β-n); measured β-delayed En, Eγ, βγ-, nβ-coin following decay of spin-polarized source; deduced log ft. 11Be deduced levels, J, π, neutron spectroscopic factors. 10Be deduced levels, transition intensities.

doi: 10.1016/j.nuclphysa.2004.04.032
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14267.


2004HI24      Nucl.Phys. A746, 71c (2004)

Y.Hirayama, T.Shimoda, H.Izumi, H.Yano, M.Yagi, A.Hatakeyama, C.D.P.Levy, K.P.Jackson, H.Miyatake

Structure of 11Be studied in β-delayed neutron- and γ- decay from polarized 11Li

RADIOACTIVITY 11Li(β-), (β-n); measured β-delayed Eγ, En, asymmetry following decay of spin-polarized source. 10,11Be deduced levels, J, π. Comparison with antisymmetrized molecular dynamics model predictions.

doi: 10.1016/j.nuclphysa.2004.09.018
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2004LE38      Nucl.Phys. A746, 206c (2004)

C.D.P.Levy, R.Baartman, J.A.Behr, R.F.Kiefl, M.Pearson, R.Poutissou, A.Hatakeyama, Y.Hirayama

The collinear laser beam line at ISAC

doi: 10.1016/j.nuclphysa.2004.09.118
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