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NSR database version of April 11, 2024.

Search: Author = R.Watanabe

Found 12 matches.

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2018LO11      Phys.Rev. C 97, 054613 (2018)

A.M.Long, T.Adachi, M.Beard, G.P.A.Berg, M.Couder, R.J.deBoer, M.Dozono, J.Gorres, H.Fujita, Y.Fujita, K.Hatanaka, D.Ishikawa, T.Kubo, H.Matsubara, Y.Namiki, S.O'Brien, Y.Ohkuma, H.Okamura, H.J.Ong, D.Patel, Y.Sakemi, Y.Shimbara, S.Suzuki, R.Talwar, A.Tamii, A.Volya, T.Wakasa, R.Watanabe, M.Wiescher, R.Yamada, J.Zenihiro

α-unbound levels in 34Ar from 36Ar(p, t)34Ar reaction measurements and implications for the astrophysical 30S (α, p)33Cl reaction rate

NUCLEAR REACTIONS 36Ar(p, t), E=100 MeV; measured triton spectra, σ(θ) using Grand Raiden spectrograph at RCNP, Osaka. 34Ar; deduced levels, α-unbound states; calculated single proton widths, spin distributions for selected excitation energies, and α-spectroscopic factors using back-shifted Fermi gas (BSFG) model and shell model calculations. Comparison of 34Ar levels in several previous experiments. 30S(α, p)33Cl, T9=0.10-3.0; calculated astrophysical reaction rates at temperatures relevant to x-ray bursts (XRB) using a Monte Carlo approach within a narrow-resonance formalism. Comparison of reaction rates with two standard Hauser-Feshbach model predictions.

doi: 10.1103/PhysRevC.97.054613
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2014OZ02      Phys.Rev. C 89, 044602 (2014)

A.Ozawa, T.Moriguchi, T.Ohtsubo, N.Aoi, D.Q.Fang, N.Fukuda, M.Fukuda, H.Geissel, I.Hachiuma, N.Inabe, Y.Ishibashi, S.Ishimoto, Y.Ito, T.Izumikawa, D.Kameda, T.Kubo, T.Kuboki, K.Kusaka, M.Lantz, Y.G.Ma, M.Mihara, Y.Miyashita, S.Momota, D.Nagae, K.Namihira, D.Nishimura, H.Ooishi, Y.Ohkuma, T.Ohnishi, M.Ohtake, K.Ogawa, Y.Shimbara, T.Suda, T.Sumikama, H.Suzuki, S.Suzuki, T.Suzuki, M.Takechi, H.Takeda, K.Tanaka, R.Watanabe, M.Winkler, T.Yamaguchi, Y.Yanagisawa, Y.Yasuda, K.Yoshinaga, A.Yoshida, K.Yoshida

Charge-changing cross sections of 30Ne, 32, 33Na with a proton target

NUCLEAR REACTIONS 1H(30Ne, X), (32Na, X), (33Na, X), [secondary 30Ne, 32,33Na beams from 9Be(48Ca, X)30Ne/31Ne/31Na/32Na/33Na, E=345 MeV/nucleon primary reaction], E≈240 MeV/nucleon; measured particle spectra, charge-changing, partial charge-changing and charge-pickup σ using Big-RIPS and ZDS spectrometers at RIBF-RIKEN facility; deduced rms proton and matter radii, neutron skin thickness. 30Ne, 32Na; deduced neutron skin thickness, rms proton radii. Glauber-model analysis. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.89.044602
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2455.


2012AL23      Phys.Rev. C 86, 065805 (2012); Erratum Phys.Rev. C 88, 059902 (2013)

S.Almaraz-Calderon, W.P.Tan, A.Aprahamian, M.Beard, G.P.A.Berg, B.Bucher, M.Couder, J.Gorres, S.O'Brien, D.Patel, A.Roberts, K.Sault, M.Wiescher, C.R.Brune, T.N.Massey, K.Fujita, K.Hatanaka, D.Ishiwaka, H.Matsubara, H.Okamura, H.J.Ong, Y.Sakemi, Y.Shimizu, T.Suzuki, Y.Tameshige, A.Tamii, J.Zenihiro, T.Kubo, Y.Namiki, Y.Ohkuma, Y.Shimbara, S.Suzuki, R.Watanabe, R.Yamada, T.Adachi, Y.Fujita, H.Fujita, M.Dozono, T.Wakasa

Level structure of 30S and its importance in the 26Si(α, p)29P and 29P(p, γ)30S reaction rates

NUCLEAR REACTIONS 32S(p, t), E=98.7 MeV; measured triton spectra at two angles using Grand Raiden (GR) magnetic spectrometer at RCNP facility. 28Si(3He, n), E=15 MeV; measured neutron (TOF) spectra, charged-particle spectra, (charged-particle)n-coin, angular distributions using LESA array and scintillation detectors at Notre Dame NSL facility. 30S; deduced levels, proton- and α- unbound levels, J, π, proton branching ratios, partial proton widths. DWBA analysis. Comparison with several previous experimental studies. 29P(p, γ)30S, 26Si(α, p)29P, T9=0.01-10 GK; deduced astrophysical reaction rates. Comparison with previous theoretical calculations. Contribution of resonances to total reaction rates.

doi: 10.1103/PhysRevC.86.065805
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2012TA02      Phys.Lett. B 707, 357 (2012)

M.Takechi, T.Ohtsubo, M.Fukuda, D.Nishimura, T.Kuboki, T.Suzuki, T.Yamaguchi, A.Ozawa, T.Moriguchi, H.Ooishi, D.Nagae, H.Suzuki, S.Suzuki, T.Izumikawa, T.Sumikama, M.Ishihara, H.Geissel, N.Aoi, R.-J.Chen, D.-Q.Fang, N.Fukuda, I.Hachiuma, N.Inabe, Y.Ishibashi, Y.Ito, D.Kameda, T.Kubo, K.Kusaka, M.Lantz, Y.-G.Ma, K.Matsuta, M.Mihara, Y.Miyashita, S.Momota, K.Namihira, M.Nagashima, Y.Ohkuma, T.Ohnishi, M.Ohtake, K.Ogawa, H.Sakurai, Y.Shimbara, T.Suda, H.Takeda, S.Takeuchi, K.Tanaka, R.Watanabe, M.Winkler, Y.Yanagisawa, Y.Yasuda, K.Yoshinaga, A.Yoshida, K.Yoshida

Interaction cross sections for Ne isotopes towards the island of inversion and halo structures of 29Ne and 31Ne

NUCLEAR REACTIONS Be(48Ca, X)29Ne/31Ne, E=345 MeV/nucleon; C(29Ne, X), (31Ne, X), E=260 MeV/nucleon; measured reaction products; deduced σ, Nilsson orbitals, halo structures. Comparison with Glauber-type calculations.

doi: 10.1016/j.physletb.2011.12.028
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2368.


2011KU04      Acta Phys.Pol. B42, 765 (2011)

T.Kuboki, T.Ohtsubo, M.Takechi, I.Hachiuma, K.Namihira, T.Suzuki, T.Yamaguchi, Y.Ohkuma, Y.Shimbara, S.Suzuki, R.Watanabe, M.Fukuda, M.Mihara, D.Nishimura, Y.Ishibashi, Y.Ito, T.Moriguchi, D.Nagae, H.Ooishi, K.Ogawa, A.Ozawa, Y.Yasuda, H.Suzuki, T.Sumikama, K.Yoshinaga, H.Geissel, M.Winkler, T.Izumikawa, S.Momota, N.Aoi, N.Fukuda, N.Inabe, D.Kameda, K.Kusaka, T.Kubo, M.Lantz, T.Ohnishi, M.Ohtake, T.Suda, H.Takeda, K.Tanaka, Y.Yanagisawa, A.Yoshida, K.Yoshida

Measurement of Interaction Cross-sections for Neutron-rich Na Isotopes

NUCLEAR REACTIONS C(23Na, X), (24Na, X), (25Na, X), (26Na, X), (27Na, X), (28Na, X), (29Na, X), (30Na, X), (31Na, X), (32Na, X), (33Na, X), (34Na, X), (35Na, X), E=250 MeV/nucleon; measured reaction products; deduced σ, rms nuclear matter radius. Glauber analysis.

doi: 10.5506/APhysPolB.42.765
Citations: PlumX Metrics


2010MI19      Nucl.Phys. A834, 777c (2010)

M.Mihara, K.Matsuta, D.Nishimura, H.Hirano, J.Komurasaki, S.Takahashi, T.Nagatomo, R.Matsumiya, M.Ogura, H.Akai, S.Momota, T.Ohtsubo, T.Izumikawa, D.Zhou, Y.Zheng, D.Yuan, P.Fan, Y.Zuo, S.Zhu, A.Kitagawa, M.Kanazawa, M.Torikoshi, S.Sato, M.Fukuda, D.Ishikawa, T.Minamisono, R.Watanabe, T.Kubo, Y.Nojiri, T.Sumikama, J.R.Alonso, G.F.Crebs, T.J.M.Symons

Nuclear spin-lattice relaxation of light impurities in platinum studied by using polarized unstable nuclear beams

NUCLEAR REACTIONS Pt(25Al, 25Al'), (28P, 28P'), E not given; measured particle polarization from thick target, time- and temperature-dependence; deduced Knight shifts. Polarized beams. Comparison with calculations.

doi: 10.1016/j.nuclphysa.2010.01.144
Citations: PlumX Metrics


2010NI17      Nucl.Phys. A834, 470c (2010)

D.Nishimura, M.Fukuda, M.Takechi, M.Mihara, D.Ishikawa, J.Komurasaki, K.Matsuta, R.Matsumiya, T.Kuboki, M.Yoshitake, T.Suzuki, T.Yamaguchi, S.Nakajima, K.Saito, M.Miura, I.Hachiuma, K.Namihira, T.Ohtsubo, Y.Shimbara, R.Watanabe, Y.Ohkuma, T.Izumikawa, K.Tanaka, T.Suda, A.Ozawa, Y.Yasuda, T.Moriguchi, S.Momota, S.Fukuda, S.Sato, M.Kanazawa, A.Kitagawa

Distinction between Proton-Neutron Density Distribution of Halo Nuclei at the Nuclear Surface via Reaction Cross Sections

NUCLEAR REACTIONS 1H, C(8B, X), (11Be, X), E≈50-120 MeV/nucleon; measured total σ; calculated σ using Glauber theory assuming halo nuclei. Secondary radioactive beams. Transmission method.

doi: 10.1016/j.nuclphysa.2010.01.067
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2710.


2010TA16      Nucl.Phys. A834, 412c (2010)

M.Takechi, T.Ohtsubo, T.Kuboki, M.Fukuda, D.Nishimura, T.Suzuki, T.Yamaguchi, A.Ozawa, T.Moriguchi, T.Sumikama, H.Geissel, N.Aoi, N.Fukuda, I.Hachiuma, N.Inabe, Y.Ishibashi, Y.Itoh, D.Kameda, K.Kusaka, M.Lantz, M.Mihara, Y.Miyashita, S.Momota, K.Namihira, H.Ohishi, Y.Ohkuma, T.Ohnishi, M.Ohtake, K.Ogawa, Y.Shimbara, T.Suda, S.Suzuki, H.Takeda, K.Tanaka, R.Watanabe, M.Winkler, Y.Yanagisawa, Y.Yasuda, K.Yoshinaga, A.Yoshida, K.Yoshida, T.Kubo

Measurements of nuclear radii for neutron-rich Ne isotopes 28-32Ne

NUCLEAR REACTIONS 12C(28Ne, X), (29Ne, X), (30Ne, X), (31Ne, X), (32Ne, X), E=240 MeV/nucleon; measured thick target σ; deduced core radii, deformation, halo effects; calculated σ using single-particle model and deformed nucleon density distribution. Comparison with systematics for stable nuclei.

doi: 10.1016/j.nuclphysa.2010.01.052
Citations: PlumX Metrics


2007MI50      Hyperfine Interactions 178, 83 (2007)

M.Mihara, K.Matsuta, D.Nishimura, T.Nagatomo, R.Matsumiya, S.Momota, T.Ohtsubo, T.Izumikawa, D.M.Zhou, Y.N.Zheng, M.Ogura, H.Akai, J.Komurasaki, M.Fukuda, D.Ishikawa, Y.Nojiri, H.Hirano, S.Takahashi, R.Watanabe, T.Kubo, S.Y.Zhu, A.Kitagawa, M.Kanazawa, S.Sato, M.Torikoshi, T.Sumikama, T.Minamisono, J.R.Alonso, G.F.Krebs, T.J.M.Symons

Spin-lattice relaxation of 25Al and 28P in Pt

NUCLEAR MOMENTS 25Al, 28P(β+); measured spin lattice relaxation times for spin polarized nuclei implanted in a Pt foil using the β-NMR method.

doi: 10.1007/s10751-008-9662-4
Citations: PlumX Metrics


2007NI14      Hyperfine Interactions 180, 71 (2007)

D.Nishimura, J.Komurasaki, K.Matsuta, M.Mihara, R.Matsumiya, S.Momota, T.Ohtsubo, T.Izumikawa, H.Hirano, A.Kitagawa, M.Kanazawa, M.Torikoshi, S.Sato, M.Fukuda, D.Ishikawa, T.Minamisono, R.Watanabe, T.Kubo, Y.Nojiri, J.R.Alonso, G.F.Krebs, T.J.M.Symons

Magnetic moment of short lived β-emitter 24mAl

NUCLEAR MOMENTS 24Al(β+); measured magnetic moment using the β-NMR method.

doi: 10.1007/s10751-008-9687-8
Citations: PlumX Metrics


2007OH11      Hyperfine Interactions 180, 85 (2007)

T.Ohtsubo, H.Hirano, S.Takahashi, K.Matsuta, M.Mihara, M.Fukuda, T.Nagatomo, T.Izumikawa, S.Momota, D.Nishimura, J.Komurasaki, D.Ishikawa, D.M.Zhou, Y.N.Zheng, S.Y.Zhu, A.Kitagawa, M.Kanazawa, M.Torikoshi, S.Sato, T.Minamisono, Y.Nojiri, R.Matsumiya, T.Sumikama, K.Tanaka, K.Yamada, A.Ozawa, T.Suzuki, T.Yamaguchi, S.Nakajima, K.Yoshida, Y.Nakashima, H.Fujiwara, S.Kumashiro, M.Ota, D.Shinojima, H.Tanaka, T.Yasuno, K.Muranaka, T.Maemura, A.Chiba, S.A.Pahlovy, M.Nagao, R.Watanabe, T.Kubo, I.Tanihata, M.Takechi, K.Minamisono, J.R.Alonso, G.F.Krebs, T.J.M.Symons

Polarization of 23Ne, 24m, 25Al and 28P produced through single nucleon pickup and charge-exchange reactions at 100 A MeV

NUCLEAR REACTIONS Be(22Ne, 23Ne), (24Mg, 24Al), (24Mg, 25Al), (28Si, 28P), E=100 MeV/nucleon; 23Ne, 24,25Al, 28P; measured polarization using the β-NMR technique.

doi: 10.1007/s10751-008-9690-0
Citations: PlumX Metrics


1987WA26      Prog.Theor.Phys.(Kyoto) 78, 114 (1987)

R.Watanabe, M.Fukui, H.Ohtsubo, M.Morita

Angular Distribution of Electrons in Bound Muon Decay

ATOMIC PHYSICS, Mesic-Atoms 16O, 40Ca, 90Zr, 208Pb; calculated bound muon decay characteristics, σ(θ(e)).

doi: 10.1143/PTP.78.114
Citations: PlumX Metrics


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