最近の主な研究業績
原著論文
- Mapping of fragmented νf5/2 → πf7/2 transitions in the 73Co → 73Ni decay:
S. Go, R. Grzywacz, C. Mazzocchi, S.N. Liddick, M. Alshudifat, J.C. Batchelder, T. Baumann, A.A. Ciemny, T.N. Ginter, C.J. Gross, K. Kolos, A. Korgul, S.V. Paulauskas, C.J. Prokop, M.M. Rajabali, K.P. Rykaczewski, S. Taylor, Y. Xiao
Phys. Rev. C 102, 044331 (2020). - Experimental study of (p, 2p) reactions at 392 MeV on 12C, 16O, 40Ca, and 208Pb nuclei leading to low-lying states of residual nuclei:
T. Noro, T. Wakasa, T. Ishida, H.P. Yoshida, M. Dozono, H. Fujimura, K. Fujita, K. Hatanaka, T. Ishikawa, M. Itoh, J. Kamiya, T. Kawabata, Y. Maeda, H. Matsubara, M. Nakamura, H. Sakaguchi, Y. Sakemi, Y. Shimizu, H. Takeda, Y. Tameshige, A. Tamii, K. Tamura, S. Terashima, M. Uchida, Y. Yasuda, M. Yosoi
Prog. Theor. Exp. Phys. 2020, 093D02 (2020). - Structure of the neutron-rich nucleus 30Mg:
H. Nishibata, K. Tajiri, T. Shimoda, A. Odahara, S. Morimoto, S. Kanaya, A. Yagi, H. Kanaoka, M.R. Pearson, C.D.P. Levy, M. Kimura, N. Tsunoda, T. Otsuka
Phys. Rev. C 102, 054327 (2020). - Development and operation of an electrostatic time-of-flight detector for the Rare RI storage Ring:
D. Nagae, Y. Abe, S. Okada, S. Omika, K.Wakayama, S. Hosoi, S. Suzuki, T. Moriguchi, M. Amano, D. Kamioka, Z. Ge, S. Naimi, F. Suzaki, N. Tadano, R. Igosawa, K.Inomata, H. Arakawa, K. Nishimuro, T. Fujii, T. Mitsui, Y. Yanagisawa, H. Baba, S. Michimasa, S. Ota, G. Lorusso, Yu. A. Litvinov, A. Ozawa, T. Uesaka, T. Yamaguchi, Y. Yamaguchi, M. Wakasugi
Nucl. Instrum. Methods Phys. Res. A 986, 164713 (2021). - High-spin states in 35S:
S. Go, E. Ideguchi, R. Yokoyama, N. Aoi, F. Azaiez, K. Furutaka, Y. Hatsukawa, A. Kimura, K. Kisamori, M. Kobayashi, F. Kitatani, M. Koizumi, H. Harada, I. Matea, S. Michimasa, H. Miya, S. Nakamura, M. Niikura, H. Nishibata, N. Shimizu, S. Shimoura, T. Shizuma, M. Sugawara, D. Suzuki, M. Takaki, Y. Toh, Y. Utsuno, D. Verney, A. Yagi
Phys. Rev. C 103, 034327 (2021). - Finite-amplitude method for collective inertia in spontaneous fission:
K. Washiyama, N. Hinohara, and T. Nakatsukasa,
Phys. Rev. C 103, 014306 (2021). - Pulse shape analysis of signals from SiPM-based CsI(Tl) detectors for low-energy protons: Saturation correction and particle identification:
T. Teranishi, Y. Ueno, M. Osada, S. Oka, K. Iribe, H. Yoshida, H. Sakai, T. Kubo
Nucl. Instrum. Methods Phys. Res. A 989, 164967 (2021). - Swelling of Doubly Magic 48Ca Core in Ca isotopes beyond N = 28:
M. Tanaka, M. Takechi, A. Homma, M. Fukuda, D. Nishimura, T. Suzuki, Y. Tanaka, T. Moriguchi, D. S. Ahn, A. Aimaganbetov, M. Amano, H. Arakawa, S. Bagchi, K. H. Behr, N. Burtebayev, K. Chikaato, H. Du, S. Ebata, T. Fujii, N. Fukuda, H. Geissel, T. Hori, W. Horiuchi, S. Hoshino, R. Igosawa, A. Ikeda, N. Inabe, K. Inomata, K. Itahashi, T. Izumikawa, D. Kamioka, N. Kanda, I. Kato, I. Kenzhina, Z. Korkulu, Y. Kuk, K. Kusaka, K. Matsuta, M. Mihara, E. Miyata, D. Nagae, S. Nakamura, M. Nassurlla, K. Nishimuro, K. Nishizuka, K. Ohnishi, M. Ohtake, T. Ohtsubo, S. Omika, H. J. Ong, A. Ozawa, A. Prochazka, H. Sakurai, C. Scheidenberger, Y. Shimizu, T. Sugihara, T. Sumikama, H. Suzuki, S. Suzuki, H. Takeda, Y. K. Tanaka, I. Tanihata, T. Wada, K. Wakayama, S. Yagi, T. Yamaguchi, R. Yanagihara, Y. Yanagisawa, K. Yoshida, T. K. Zholdybayev
Phys. Rev. Lett. 124, 102501 (2020) - Development of an “α”-TOF” detector for correlated measurement of atomic masses and decay properties:
T. Niwase, M. Wada, P. Schury, H. Haba, S. Ishizawa, Y. Ito, D. Kaji, S. Kimura, H. Miyatake, K. Morimoto, K. Morita, M. Rosenbusch, H. Wollnik, T. Shanley, Y. Benari
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 953 (2019) 163198. - TDHF and a Macroscopic Aspect of Low-Energy Nuclear Reactions:
Kouhei Washiyama and Kazuyuki Sekizawa
Frontiers in Physics 8, 93 (2020). - Subbarrier fusion reactions of an aligned deformed nucleus:
K. Hagino and S. Sakaguchi
Phys. Rev. C 100, 064614 (2019). - Extraction of the Landau-Migdal Parameter from the Gamow-Teller Giant Resonance in 132Sn:
J. Yasuda, M. Sasano, R.G.T. Zegers, H. Baba, D. Bazin, W. Chao, M. Dozono, N. Fukuda, N. Inabe, T. Isobe, G. Jhang, D. Kameda, M. Kaneko, K. Kisamori, M. Kobayashi, N. Kobayashi, T. Kobayashi, S. Koyama, Y. Kondo, A.J. Krasznahorkay, T. Kubo, Y. Kubota, M. Kurata-Nishimura, C.S. Lee, J.W. Lee, Y. Matsuda, E. Milman, S. Michimasa, T. Motobayashi, D. Muecher, T. Murakami, T. Nakamura, N. Nakatsuka, S. Ota, H. Otsu, V. Panin, W. Powell, S. Reichert, S. Sakaguchi, H. Sakai, M. Sako, H. Sato, Y. Shimizu, M. Shikata, S. Shimoura, L. Stuhl, T. Sumikama, H. Suzuki, S. Tangwancharoen, M. Takaki, H. Takeda, T. Tako, Y. Togano, H. Tokieda, J. Tsubota, T. Uesaka, T. Wakasa, K. Yako, K. Yoneda, and J. Zenihiro
Phys. Rev. Lett. 121, 132501 (2018) - Proton elastic scattering at 200 A MeV and high momentum transfers of 1.7–2.7 fm−1 as a probe of the nuclear matter density of 6He:
S. Chebotaryov, S. Sakaguchi, T. Uesaka, T. Akieda, Y. Ando, M. Assie, D. Beaumel, N. Chiga, M. Dozono, A. Galindo-Uribarri, B. Heffron, A. Hirayama, T. Isobe, K. Kaki, S. Kawase, W. Kim, T. Kobayashi, H. Kon, Y. Kondo, Y. Kubota, S. Leblond, H. Lee, T. Lokotko, Y. Maeda, Y. Matsuda, K. Miki, E. Milman, T. Motobayashi, T. Mukai, S. Nakai, T. Nakamura, A. Ni, T. Noro, S. Ota, H. Otsu, T. Ozaki, V. Panin, S. Park, A. Saito, H. Sakai, M. Sasano, H. Sato, K. Sekiguchi, Y. Shimizu, I. Stefan, L. Stuhl, M. Takaki, K. Taniue, K. Tateishi, S. Terashima, Y. Togano, T. Tomai, Y. Wada, T. Wakasa, T. Wakui, A. Watanabe, H. Yamada, Zh. Yang, M. Yasuda, J. Yasuda, K. Yoneda, and J. Zenihiro
Prog. Theor. Exp. Phys. 2018, 053D01 (2018) - Study of the Reaction 48Ca +248 Cm → 296 Lv* at RIKEN-GARIS:
D. Kaji, K. Morita, K. Morimoto, H. Haba, M. Asai, K. Fujita, Z. Gan, H. Geissel, H. Hasebe, S. Hofmann, M. Huang, Y. Komori, L. Ma, J. Maurer, M. Murakami, M. Takeyama, F. Tokanai, T. Tanaka, Y. Wakabayashi, T. Yamaguchij, S. Yamaki, and A. Yoshida,
J. Phys. Soc. Jpn. 86, 034201 (2017).
講演
- Superheavy element search at RIKEN (招待講演):
K. Morita
The 4th International Symposium on Superheavy Elements, December 1-5, 2019, Hakone, Japan - Isospin-generalized proton elastic scattering as a probe for isovector nucleon density distribution (招待講演):
S. Sakaguchi
9th International Symposium on Nuclear Symmetry Energy (NuSYM), Oct. 2019.,
DaNang, Vietnam - Remarkable growth in matter radii of Ca isotopes across neutron magic number N=28 via interaction cross section measurements:
M. Tanaka,
International Nuclear Physics Conference 2019 (INPC2019), 29 July – 2 August 2019, Glasgow, UK. - Excitation modes and collective mass from Skyrme energy density functional:
Kouhei Washiyama and Takashi Nakatsukasa,
INPC2019, July 29-August 2, 2019, Glasgow, United Kingdom - Fusion barrier distribution for reaction between two deformed nuclei via quasi-elastic
back-scattering measurement:
M. Tanaka,
International Symposium on Superheavy Elements (SHE2019), 1-5 December 2019,
Hakone, Japan. - Correlation measurement of precision mass and decay properties of nuclei via MRTOFMS with α-ToF detector:
T. Niwase, M. Wada, P. Schury, Y. Ito, D. Kaji, M. Rosenbusch, Y. X. Watanabe, Y. Hirayama, J.Y. MOON, H. Ishiyama, T. Tanaka, A. Takamine , S. Kimura, K. Morimoto, H. Haba, S. Ishizawa, K. Morita, H. Miyatake, H. Wollnik
4th International Symposium on Superheavy Elements, Hakone, Japan, 2019/12/4 - Present status and perspectives of SHE researches at RIKEN:
K. Morita,
13th International Conference on Nucleus-Nucleus Collisions (NN2018), 4-8 December 2018, Omiya, Japan. - Nuclear Spin Physics via Polarization Measurements:
T. Wakasa,
The 23rd International Spin Physics Symposium (SPIN2018), Ferrara, Italy, September 2018. - Elastic scattering of 6He from polarized proton at 200 A MeV:
S. Sakaguchi for SAMURAI13 collaboration,
The 10th International Conference on Direct Reactions with Exotic Beams (DREB2018), 4-8 June 2018, Matsue, Japan. - Discovery of Element 113 and Future Research Direction at RIKEN:
K. Morita (invited),
Nobel Symposia, NS160: Chemistry and Physics of Heavy and Superheavy Elements, May 29 to June 3, 2016, Scania, Sweden - SHE research at RIKEN/GARIS:
Kousuke Morita,
Nucl. Phys. A 944 (2015) 30-61. - Study of Gamow-teller transition from 132Sn via the (p, n) reaction in inverse kinematics:
J. Yasuda, T. Wakasa et al.,
The 5th International conference on Collective Motion in Nuclei under Extreme Conditions (COMEX5), September 15, 2015, Krakow, Poland
修士論文・博士論文
修士論文
2020年度
- 長田茉子：（指導教員、坂口聡志・浅井雅人・森田浩介）：低エネルギー重イオンに対するシリコン検出器の波高欠損およびエネルギー分解能の研究
- 久保大志：（指導教員、寺西高）：炭素12 の逆運動学! 非弾性散乱を用いたホイル状態の対崩壊分岐比測定手法の開発
- 坂木重仁：（指導教員、若狭智嗣）：核内陽子ノックアウト反応のスピン完全測定に向けた反跳陽子偏極度計の較正
- 内藤夏樹：（指導教員、森田浩介・坂口聡志）：後方準弾性散乱測定による51V+248Cm/208Pb系の融合障壁分布の研究
- 浜野友哉：（指導教員、西畑洸希・若狭智嗣）：スピン偏極Mg ビームを用いた中性子過剰Al の構造研究
- 東聖人：（指導教員、浅井雅人・森田浩介）：機械学習的手法を用いた中性子過剰フェルミウム領域核の自発核分裂片質量分布解析
2019年度以前
- Under construction
博士論文
2020年度
- 庭瀬暁隆： (指導教員、森田浩介）：First direct mass measurement of superheavy nuclide via MRTOF mass spectrograph equipped with an α-TOF detector
2018年度
- 田中泰貴：(指導教員、森田浩介）：Study of Fusion Barrier Distributions from Quasielastic Scattering Cross Sections towards Superheavy Nuclei Synthesis
2017年度以前
- Under construction