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NSR database version of May 19, 2024.

Search: Author = Y.Ohkuma

Found 10 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.


2015FA03      Phys.Rev. C 91, 014614 (2015)

G.W.Fan, M.Fukuda, D.Nishimura, X.L.Cai, S.Fukuda, I.Hachiuma, C.Ichikawa, T.Izumikawa, M.Kanazawa, A.Kitagawa, T.Kuboki, M.Lantz, M.Mihara, M.Nagashima, K.Namihira, Y.Ohkuma, T.Ohtsubo, Z.z.Ren, S.Sato, Z.Q.Sheng, M.Sugiyama, S.Suzuki, T.Suzuki, M.Takechi, T.Yamaguchi, W.Xu

Density distribution of 8Li and 8B and capture reaction at low energy

NUCLEAR REACTIONS 9Be, 12C, 27Al(8Li, X), E=30-110 MeV, [8Li secondary beam produced in 9Be(13C, X), E=130 MeV/nucleon primary reaction]; measured reaction products, reaction σ(E) at HIMAC synchrotron and fragment-separator facility of NIRS, Japan; deduced density distributions of 8B and 8Li using modified Glauber model, halo structure of 8B. 7Li(n, γ)8Li, E=0.01 eV-1 MeV; 7Be(p, γ)8B, E=0-0.5 MeV; calculated capture σ(E) for (n, γ) and S(E) factor for (p, γ) reactions using density distributions determined in present work, comparison with experimental data.

doi: 10.1103/PhysRevC.91.014614
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2479.


2014FA18      Phys.Rev. C 90, 044321 (2014)

G.W.Fan, M.Fukuda, D.Nishimura, X.L.Cai, S.Fukuda, I.Hachiuma, C.Ichikawa, T.Izumikawa, M.Kanazawa, A.Kitagawa, T.Kuboki, M.Lantz, M.Mihara, M.Nagashima, K.Namihira, Y.Ohkuma, T.Ohtsubo, Z.Ren, S.Sato, Z.Q.Shen, M.Sugiyama, S.Suzuki, T.Suzuki, M.Takechi, T.Yamaguchi, B.J.Xu, W.Xu

Structure of 8Li from a reaction cross-section measurement

NUCLEAR REACTIONS 1H, 9Be, 12C, 27Al(8Li, 8Li'), E=30-110 MeV/nucleon, [secondary 8Li beam from 9Be(13C, X), E=130 MeV/nucleon primary reaction]; measured particle spectra by Bρ-ΔE-TOF technique, reaction σ(E) at HIMAC synchrotron and NIRS fragment-separator facility in Japan. 8Li; deduced density distribution, matter radius, tendency for 8Li as a skin nucleus. Modified Glauber model analysis of experimental data. Comparison with previous experimental results and with calculations based on harmonic oscillator (HO)+Yukawa and HO+single-particle model (SPM) functions.

doi: 10.1103/PhysRevC.90.044321
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2479. 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.


2012NO08      Phys.Scr. T150, 014028 (2012)

C.Nociforo, F.Farinon, A.Musumarra, F.Bosch, D.Boutin, A.Del Zoppo, P.Figuera, M.Fisichella, H.Geissel, R.Knobel, I.Kojouharov, C.Kozhuharov, T.Kuboki, J.Kurcewicz, Yu.A.Litvinov, M.Mazzocco, Y.Motizuki, F.Nolden, T.Ohstubo, Y.Ohkuma, Z.Patyk, M.G.Pellegriti, S.Pietri, Z.Podolyak, A.Prochazka, M.S.Sanjari, C.Scheidenberger, V.Scuderi, B.Sun, T.Suzuki, D.Torresi, H.Weick, J.S.Winfield, N.Winckler, M.Winkler, H.J.Wollersheim, T.Yamaguchi

Measurements of α-decay half-lives at GSI

RADIOACTIVITY 213FR, 214Ra(α) [from Be(238U, X), E=1 GeV/nucleon]; measured decay products, Eα, Iα; deduced T1/2 at rest and neutral, Q-values.

doi: 10.1088/0031-8949/2012/T150/014028
Citations: PlumX Metrics


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


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


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