Initialising ...
Initialising ...
Initialising ...
Initialising ...
Initialising ...
Initialising ...
Initialising ...
Chillery, T.*; Hwang, J.*; Dozono, Masanori*; Imai, Nobuaki*; Michimasa, Shinichiro*; Sumikama, Toshiyuki*; Chiga, Nobuyuki*; Ota, Shinsuke*; Nakayama, Shinsuke; 49 of others*
Progress of Theoretical and Experimental Physics (Internet), 2023(12), p.121D01_1 - 121D01_11, 2023/12
Times Cited Count:0 Percentile:0.01(Physics, Multidisciplinary)The deuteron is a loosely bound system which can easily break up into its constituent proton and neutron whilst in the presence of Coulomb and nuclear fields. Previous experimental studies have shown that this breakup process has a significant impact on residual nucleus production from deuteron bombardment in the high energy range of 50 - 210 MeV/nucleon. However, there remains a lack of cross-section data at energies below 50 MeV/nucleon. The current study determined Zr + d reaction cross sections under inverse kinematics at approximately 28 MeV/nucleon using the BigRIPS separator, OEDO beamline, and SHARAQ spectrometer. Cross sections from this research were compared with previous measurements and theoretical calculations. The experimental results show a large enhancement of the production cross sections of residual nuclei, especially those produced from a small number of particle emissions, compared to the proton-induced reaction data at similar bombarding energy. The DEURACS calculation, which quantitatively takes deuteron-breakup effects into account, reproduces the data well. As a long-lived fission product, Zr remains a challenge for nuclear waste disposal and treatment. This study's low-energy data may assist future consideration of nuclear-waste treatment facilities, where Zr + d may feasibly transmute the waste into short-lived/stable nuclei.
Pedersen, L. G.*; Sahin, E.*; Grgen, A.*; Bello Garrote, F. L.*; Tsunoda, Yusuke*; Otsuka, Takaharu*; Niikura, Megumi*; Orlandi, R.; 59 of others*
Physical Review C, 107(4), p.044301_1 - 044301_10, 2023/04
Times Cited Count:0 Percentile:0.02(Physics, Nuclear)Nakamura, Tomoki*; Osawa, Takahito; 219 of others*
Science, 379(6634), p.eabn8671_1 - eabn8671_14, 2023/02
Times Cited Count:98 Percentile:99.99(Multidisciplinary Sciences)Mineralogical, petrological, and physical properties of sixteen Ryugu particles measuring 1-8 mm indicate that they are most similar to CI chondrites. The presence of CO-bearing water in pyrrhotite indicates that the original parent asteroid formed beyond the HO and CO snow lines in the solar nebula, where, based on Ryugu mineralogy, very limited amounts of high-temperature objects including small chondrules and Ca, Al-rich inclusions were present. Fluid-rock reactions occurred at low-temperature, high pH, and reducing conditions at water/rock mass ratios smaller than 1 and changed an olivine-pyroxene rich lithology, remaining as the least-altered fragments in Ryugu samples, into phyllosilicate-carbonate rich lithologies, the predominant material of Ryugu samples. The solar nebula might have been still present when magnetite crystallized from the fluid in Ryugu's parent body.
Nanamura, Takuya; Fujita, Manami; Hasegawa, Shoichi; Ichikawa, Masaya; Ichikawa, Yudai; Imai, Kenichi*; Naruki, Megumi; Sato, Susumu; Sako, Hiroyuki; Tamura, Hirokazu; et al.
Progress of Theoretical and Experimental Physics (Internet), 2022(9), p.093D01_1 - 093D01_35, 2022/09
Times Cited Count:5 Percentile:67.44(Physics, Multidisciplinary)Venhart, M.*; Andreyev, A. N.; Cubiss, J. G.*; Wood, J. L.*; Barzakh, A. E.*; Van Beveren, C.*; Cocolios, T. E.*; de Groote, R. P.*; 19 of others*
Physical Review C, 105(3), p.034338_1 - 034338_9, 2022/03
Times Cited Count:1 Percentile:33.4(Physics, Nuclear)Toyama, Takeshi*; Suzudo, Tomoaki; Nagai, Yasuyoshi*; 9 of others*
Journal of Nuclear Materials, 556, p.153176_1 - 153176_7, 2021/12
Times Cited Count:2 Percentile:31.78(Materials Science, Multidisciplinary)We performed a high-precision investigation of radiation-enhanced diffusion (RED) using electron irradiation and three-dimensional atom probe (3D-AP). Cu-Fe diffusion pairs were created using high-purity Fe and Cu as base materials, and irradiated by 2 MeV electron. Cu diffusion into the Fe matrix was observed at the atomic level using 3D-AP, and the diffusion coefficient was obtained directly using Fick's law. RED was clearly observed, and the ratio of diffusion under irradiation to thermal diffusion was enhanced at low temperature. RED was quantitatively evaluated using the reaction kinetics model, and the model which consider only vacancies gave a good agreement. This gave experimental clarification that RED was dominated by irradiation-induced vacancies. In addition, the direct experimental results on the effect of irradiation on the solubility limits of Cu in Fe was obtained; solubility limits under irradiation were found to be lower than those under thermal aging.
Cao, L.*; Tanida, Kiyoshi; Belle Collaboration*; 199 of others*
Physical Review Letters, 127(26), p.261801_1 - 261801_8, 2021/12
Times Cited Count:5 Percentile:49.47(Physics, Multidisciplinary)Atmacan, H.*; Tanida, Kiyoshi; Belle Collaboration*; 219 of others*
Physical Review D, 104(9), p.L091105_1 - L091105_9, 2021/11
Times Cited Count:3 Percentile:20.63(Astronomy & Astrophysics)Li, S. X.*; Tanida, Kiyoshi; Belle Collaboration*; 193 of others*
Physical Review D, 104(7), p.072008_1 - 072008_8, 2021/10
Times Cited Count:3 Percentile:29.55(Astronomy & Astrophysics)Li, Y.*; Tanida, Kiyoshi; Belle Collaboration*; 190 of others*
Physical Review D, 104(5), p.052005_1 - 052005_9, 2021/09
Times Cited Count:9 Percentile:65.5(Astronomy & Astrophysics)Nisar, N. K.*; Tanida, Kiyoshi; Belle Collaboration*; 197 of others*
Physical Review D, 104(3), p.L031101_1 - L031101_8, 2021/08
Times Cited Count:1 Percentile:10.54(Astronomy & Astrophysics)Sato, Kenta*; Tanida, Kiyoshi; 19 of others*
Proceedings of Science (Internet), 358, p.413_1 - 413_8, 2021/07
McNeil, J. T.*; Tanida, Kiyoshi; Belle Collaboration*; 193 of others*
Physical Review D, 103(11), p.112002_1 - 112002_11, 2021/06
Times Cited Count:2 Percentile:20.63(Astronomy & Astrophysics)Amenomori, Michihiro*; Tsuchiya, Harufumi; Tibet AS Collaboration*; 93 of others*
Nature Astronomy (Internet), 5(5), p.460 - 464, 2021/05
Times Cited Count:64 Percentile:98.97(Astronomy & Astrophysics)Wehle, S.*; Tanida, Kiyoshi; Belle Collaboration*; 179 of others*
Physical Review Letters, 126(16), p.161801_1 - 161801_8, 2021/04
Times Cited Count:20 Percentile:88.38(Physics, Multidisciplinary)Amenomori, Michihiro*; Tsuchiya, Harufumi; Tibet AS Collaboration*; 93 of others*
Physical Review Letters, 126(14), p.141101_1 - 141101_7, 2021/04
Times Cited Count:112 Percentile:99.57(Physics, Multidisciplinary)Acharya, U. A.*; Hasegawa, Shoichi; Imai, Kenichi*; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 309 of others*
Physical Review D, 103(5), p.052009_1 - 052009_10, 2021/03
Times Cited Count:5 Percentile:45.23(Astronomy & Astrophysics)Acharya, U.*; Hasegawa, Shoichi; Imai, Kenichi*; Nagamiya, Shoji*; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 397 of others*
Physical Review C, 102(6), p.064905_1 - 064905_13, 2020/12
Times Cited Count:5 Percentile:52.72(Physics, Nuclear)Oskin, P.*; Tanida, Kiyoshi; Belle Collaboration*; 198 of others*
Physical Review D, 102(9), p.092011_1 - 092011_8, 2020/11
Times Cited Count:0 Percentile:0.01(Astronomy & Astrophysics)Cubiss, J. G.*; Andreyev, A. N.; Barzakh, A. E.*; Manea, V.*; Al Monthery, M.*; Althubiti, N. A.*; Andel, B.*; Antalic, S.*; 39 of others*
Physical Review C, 102(4), p.044332_1 - 044332_12, 2020/10
Times Cited Count:7 Percentile:52.72(Physics, Nuclear)