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Journal Articles

First observation of $$^{28}$$O

Kondo, Yosuke*; Achouri, N. L.*; Al Falou, H.*; Atar, L.*; Aumann, T.*; Baba, Hidetada*; Boretzky, K.*; Caesar, C.*; Calvet, D.*; Chae, H.*; et al.

Nature, 620(7976), p.965 - 970, 2023/08

 Times Cited Count:5 Percentile:92.64(Multidisciplinary Sciences)

no abstracts in English

Journal Articles

$$beta^-$$ decay of exotic P and S isotopes with neutron number near 28

Tripathi, V.*; Bhattacharya, S.*; Rubino, E.*; Benetti, C.*; Perello, J. F.*; Tabor, S. L.*; Liddick, S. N.*; Bender, P. C.*; Carpenter, M. P.*; Carroll, J. J.*; et al.

Physical Review C, 106(6), p.064314_1 - 064314_14, 2022/12

 Times Cited Count:2 Percentile:52.69(Physics, Nuclear)

no abstracts in English

Journal Articles

Experimental study of liquid spreading and atomization due to jet impingement in liquid-liquid systems

Yamamura, Sota*; Fujiwara, Kota*; Honda, Kota*; Yoshida, Hiroyuki; Horiguchi, Naoki; Kaneko, Akiko*; Abe, Yutaka*

Physics of Fluids, 34(8), p.082110_1 - 082110_13, 2022/08

 Times Cited Count:2 Percentile:41.08(Mechanics)

Liquid spreading and atomization due to jet impingement in liquid-liquid systems are considered to be crucial for understanding the cooling behavior of high-temperature molten material in a shallow water pool. This phenomenon takes place when a liquid jet enters a pool filled with other immiscible liquid. The jet spreads radially after impinging on the floor while forming a thin liquid film and atomizing droplets. In this paper, we explain the result to quantify the unsteady three-dimensional behavior of the spreading jet by the employment of 3D-LIF measurements and 3-dimensional reconstruction. Under high flow velocity conditions, the phenomena of hydraulic jump and atomization of the liquid film occurred along with the spreading. To evaluate the spreading behavior, a comparison of the jump radius position of the liquid-liquid system as the representative value was made with the one calculated by the existing theory of a gas-liquid system. As the result, the spreading of the liquid film in the liquid-liquid system was suppressed compared with that in the gas-liquid system. Furthermore, the PTV method was successfully used to measure the velocity boundary layer and velocity profile in the liquid film, which are important factors that affect the spreading mechanism of the liquid film. These results revealed that in liquid-liquid systems, shear stress at the liquid-liquid interface causes a decrease in the flow velocity and suppressed the development of the velocity boundary layer. Also, to evaluate the atomization behavior, the number and diameter distribution of the droplets were measured from the acquired 3-dimensional shape data of the jet. As the result, the number of droplets increased with the flow velocity. Based on these results, we concluded that the spreading of the liquid film is affected by such atomization behavior.

Journal Articles

Time-resolved 3D visualization of liquid jet breakup and impingement behavior in a shallow liquid pool

Kimura, Fumihito*; Yamamura, Sota*; Fujiwara, Kota*; Yoshida, Hiroyuki; Saito, Shimpei*; Kaneko, Akiko*; Abe, Yutaka*

Nuclear Engineering and Design, 389, p.111660_1 - 111660_11, 2022/04

 Times Cited Count:3 Percentile:68.71(Nuclear Science & Technology)

Journal Articles

Development of dispersed phase tracking method for time-series 3-dimensional interface shape data

Horiguchi, Naoki; Yoshida, Hiroyuki; Yamamura, Sota*; Fujiwara, Kota*; Kaneko, Akiko*; Abe, Yutaka*

Proceedings of 19th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-19) (Internet), 14 Pages, 2022/03

Journal Articles

The Impact of nuclear shape on the emergence of the neutron dripline

Tsunoda, Naofumi*; Otsuka, Takaharu; Takayanagi, Kazuo*; Shimizu, Noritaka*; Suzuki, Toshio*; Utsuno, Yutaka; Yoshida, Sota*; Ueno, Hideki*

Nature, 587, p.66 - 71, 2020/11

 Times Cited Count:40 Percentile:92.47(Multidisciplinary Sciences)

no abstracts in English

Journal Articles

Numerical simulation of liquid jet behavior in shallow pool by interface tracking method

Suzuki, Takayuki*; Yoshida, Hiroyuki; Horiguchi, Naoki; Yamamura, Sota*; Abe, Yutaka*

Proceedings of 2020 International Conference on Nuclear Engineering (ICONE 2020) (Internet), 7 Pages, 2020/08

Journal Articles

$$beta^-$$ decay of $$T_z$$ = +$$frac{11}{2}$$ isotopes $$^{37}$$Al and $$^{39}$$Si; Understanding Gamow-Teller strength distribution in neutron-rich nuclei

Abromeit, B.*; Tripathi, V.*; Crawford, H. L.*; Liddick, S. N.*; Yoshida, Sota*; Utsuno, Yutaka; Bender, P. C.*; Crider, B. P.*; Dungan, R.*; Fallon, P.*; et al.

Physical Review C, 100(1), p.014323_1 - 014323_14, 2019/07

AA2019-0227.pdf:1.54MB

 Times Cited Count:2 Percentile:23.19(Physics, Nuclear)

no abstracts in English

Journal Articles

New precise measurements of muonium hyperfine structure at J-PARC MUSE

Strasser, P.*; Abe, Mitsushi*; Aoki, Masaharu*; Choi, S.*; Fukao, Yoshinori*; Higashi, Yoshitaka*; Higuchi, Takashi*; Iinuma, Hiromi*; Ikedo, Yutaka*; Ishida, Katsuhiko*; et al.

EPJ Web of Conferences, 198, p.00003_1 - 00003_8, 2019/01

 Times Cited Count:13 Percentile:99.06(Quantum Science & Technology)

Journal Articles

Systematic shell-model study of $$beta$$-decay properties and Gamow-Teller strength distributions in $$A {approx} 40$$ neutron-rich nuclei

Yoshida, Sota*; Utsuno, Yutaka; Shimizu, Noritaka*; Otsuka, Takaharu*

Physical Review C, 97(5), p.054321_1 - 054321_17, 2018/05

 Times Cited Count:34 Percentile:93.04(Physics, Nuclear)

no abstracts in English

Journal Articles

New precise measurement of muonium hyperfine structure interval at J-PARC

Ueno, Yasuhiro*; Aoki, Masaharu*; Fukao, Yoshinori*; Higashi, Yoshitaka*; Higuchi, Takashi*; Iinuma, Hiromi*; Ikedo, Yutaka*; Ishida, Katsuhiko*; Ito, Takashi; Iwasaki, Masahiko*; et al.

Hyperfine Interactions, 238(1), p.14_1 - 14_6, 2017/11

 Times Cited Count:3 Percentile:86.59(Physics, Atomic, Molecular & Chemical)

Journal Articles

$$beta$$ decay of $$^{38,40}$$Si ($$T_z$$ = +5, +6) to low-lying core excited states in odd-odd $$^{38,40}$$P isotopes

Tripathi, V.*; Lubna, R. S.*; Abromeit, B.*; Crawford, H. L.*; Liddick, S. N.*; Utsuno, Yutaka; Bender, P. C.*; Crider, B. P.*; Dungan, R.*; Fallon, P.*; et al.

Physical Review C, 95(2), p.024308_1 - 024308_7, 2017/02

AA2016-0485.pdf:0.5MB

 Times Cited Count:7 Percentile:51.81(Physics, Nuclear)

no abstracts in English

Journal Articles

New muonium HFS measurements at J-PARC/MUSE

Strasser, P.*; Aoki, Masaharu*; Fukao, Yoshinori*; Higashi, Yoshitaka*; Higuchi, Takashi*; Iinuma, Hiromi*; Ikedo, Yutaka*; Ishida, Katsuhiko*; Ito, Takashi; Iwasaki, Masahiko*; et al.

Hyperfine Interactions, 237(1), p.124_1 - 124_9, 2016/12

 Times Cited Count:7 Percentile:90.97(Physics, Atomic, Molecular & Chemical)

Oral presentation

Shell-model study of strength function in the $$sd$$-$$pf$$ shell region

Utsuno, Yutaka; Shimizu, Noritaka*; Otsuka, Takaharu*; Homma, Michio*; Yoshida, Sota*; Ebata, Shuichiro*

no journal, , 

no abstracts in English

Oral presentation

Nuclear-structure calculations for half-lives and beta-delayed neutron-emission probabilities in light neutron-rich nuclei

Utsuno, Yutaka; Yoshida, Sota*; Shimizu, Noritaka*; Otsuka, Takaharu*

no journal, , 

no abstracts in English

Oral presentation

Shell-model study of Gamow-Teller and first-forbidden $$beta$$ decay in the $$N=28$$ region

Utsuno, Yutaka; Yoshida, Sota*; Shimizu, Noritaka*; Otsuka, Takaharu*; Togashi, Tomoaki*; Homma, Michio*; Suzuki, Toshio*

no journal, , 

no abstracts in English

Oral presentation

$$beta$$-decay properties and Gamow-Teller distributions in neutron-rich nuclei around $$A=40$$

Utsuno, Yutaka; Yoshida, Sota*; Shimizu, Noritaka*; Otsuka, Takaharu*

no journal, , 

no abstracts in English

Oral presentation

Description of strength distribution calculated with large-scale shell-model calculations; $$beta$$ decays and photonuclear reactions

Utsuno, Yutaka; Shimizu, Noritaka*; Yoshida, Sota*; Otsuka, Takaharu*

no journal, , 

no abstracts in English

Oral presentation

Systematic calculations of $$beta$$ decays for light neutron-rich nuclei

Utsuno, Yutaka; Yoshida, Sota*; Shimizu, Noritaka*; Otsuka, Takaharu*

no journal, , 

no abstracts in English

Oral presentation

Penetration behavior of liquid jet falling into a shallow pool, 7; Evaluation of fragmentation diameter based on numerical simulation results

Yoshida, Hiroyuki; Horiguchi, Naoki; Suzuki, Takayuki*; Yamamura, Sota*; Abe, Yutaka*

no journal, , 

no abstracts in English

23 (Records 1-20 displayed on this page)