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Minato, Futoshi; Marketin, T.*; Paar, N.*
Physical Review C, 104(4), p.044321_1 - 044321_18, 2021/10
Times Cited Count:33 Percentile:96.78(Physics, Nuclear)A role of -delayed neutron and fission in r-process nucleosynthesis attracts a high interest. Although the number of study on them covering r-process nuclei is increasing recently, uncertainties of
-delayed neutron and fission are still large for r-process simulations. Our purpose of this paper is to make a new database on
-delayed neutron and fission. We developed a new theoretical framework for
-delayed neutron and fission, and apply it to make a new data table. Calculated
-delayed neutron branching ratios are in a good agreement with experimental data and the root mean square deviation is comparable to results of proceeding works. It is found that energy withdrawal by
-delayed neutron emission sensitively varies Pn values for nuclei near the neutron drip line. Pf are sensitively dependent on fission barrier data. The new data table is to be used for study on r-process as well as other fields such as nuclear engineering.
Dimitriou, P.*; Dillmann, I.*; Singh, B.*; Piksaikin, V.*; Rykaczewski, K. P.*; Tain, J. L.*; Algora, A.*; Banerjee, K.*; Borzov, I. N.*; Cano-Ott, D.*; et al.
Nuclear Data Sheets, 173, p.144 - 238, 2021/03
Times Cited Count:28 Percentile:95.35(Physics, Nuclear)-delayed neutron emission has been of interest since the discovery of nuclear fission. In nuclear power reactors, delayed-neutron data play a crucial role in reactor kinetics calculations and safe operation.
-delayed neutron data also have a significant impact in the field of nuclear structure and astrophysics especially as nuclei farther away from stability are explored at the new generation of radioactive beam facilities. Several compilations of
-decay half-lives and delayed-neutron emission probabilities are available, however, complete documentation of measurements and evaluation procedures is often missing for these properties. Efforts to address this gap in nuclear data and create an updated compilation and evaluation of
-delayed neutron properties were undertaken under the auspices of the International Atomic Energy Agency (IAEA) which formed a Coordinated Research Project (CRP) on "Development of a Reference Database of Beta-delayed Neutron Emission Data". In this paper we summarize the work that was performed and present the results of the CRP.
Iwasa, Naohito*; Ishikawa, Shunki*; Kubono, Shigeru*; Sakakibara, T.*; Kominato, Kazuya*; Nishio, Katsuhisa; Matsuda, Makoto; Hirose, Kentaro; Makii, Hiroyuki; Orlandi, R.; et al.
Physical Review C, 103(1), p.015801_1 - 015801_5, 2021/01
Times Cited Count:1 Percentile:14.80(Physics, Nuclear)Baron, P.*; Cornet, S. M.*; Collins, E. D.*; DeAngelis, G.*; Del Cul, G.*; Fedorov, Y.*; Glatz, J. P.*; Ignatiev, V.*; Inoue, Tadashi*; Khaperskaya, A.*; et al.
Progress in Nuclear Energy, 117, p.103091_1 - 103091_24, 2019/11
Times Cited Count:92 Percentile:94.03(Nuclear Science & Technology)The results of an international review of separation processes for spent nuclear fuel (SNF) recycling in future closed fuel cycles with the evaluation of Technology Readiness Level are reported. This study was made by the Expert Group on Fuel Recycling Chemistry (EGFRC) organised by the Nuclear Energy Agency (NEA) of the Organisation for Economic Co-operation and Development (OECD). A unique feature of this study was that processes were classified according to a hierarchy of separations aimed at different elements within spent fuel (uranium; uranium-plutonium co-recovery; minor actinides; high heat generating radionuclides) and also the Head-end processes, used to prepare the SNF for chemical separation, were included. Separation processes covered both wet (hydrometallurgical) and dry (pyro-chemical) processes.
Pinard, J.*; Duong, H. T.*; Marescaux, D.*; Stroke, H. H.*; Redi, O.*; Gustafsson, M.*; Nilsson, T.*; Matsuki, S.*; Kishimoto, Yasuaki*; Kominato, K.*; et al.
Nuclear Physics A, 753(1-2), p.3 - 12, 2005/05
Times Cited Count:4 Percentile:35.56(Physics, Nuclear)The hfs separation of
Cs(
m) in the 6s
S
ground state was obtained in a precision measurement near zero magnetic field by means of atomic beam magnetic resonance with laser optical pumping on-line with the CERN-PSB-ISOLDE mass separator. The result,
MHz, corrects significantly a previous published value from a high-field experiment. With our result, the precision of the nuclear magnetic moment,
Cs)
, is now limited by the influence of extended nuclear structure on the hfs (the Bohr-Weisskopf effect).
Sugimoto, Makoto; Isono, Takaaki; Nunoya, Yoshihiko; Koizumi, Norikiyo; Nakajima, Hideo; Kato, Takashi; Matsukawa, Makoto; Hamada, Kazuya; Matsui, Kunihiro; Nishijima, Gen; et al.
IEEE Transactions on Applied Superconductivity, 10(1), p.564 - 567, 2000/03
Times Cited Count:22 Percentile:70.71(Engineering, Electrical & Electronic)no abstracts in English
Sugimoto, Makoto; Isono, Takaaki; Koizumi, Norikiyo; Nakajima, Hideo; Kato, Takashi; Hamada, Kazuya; Nunoya, Yoshihiko; Matsui, Kunihiro; Sawada, Kenji*; Takahashi, Yoshikazu; et al.
IEEE Transactions on Applied Superconductivity, 9(2), p.636 - 639, 1999/06
Times Cited Count:1 Percentile:17.04(Engineering, Electrical & Electronic)no abstracts in English
Sugimoto, Makoto; ; Isono, Takaaki; Koizumi, Norikiyo; Nakajima, Hideo; Kato, Takashi; Nunoya, Yoshihiko; Matsui, Kunihiro; Takahashi, Yoshikazu; Ando, Toshinari; et al.
Proc. of 15th Int. Conf. on Magnet Technology (MT-15), p.409 - 412, 1997/00
no abstracts in English
Sugimoto, Makoto; ; Isono, Takaaki; Koizumi, Norikiyo; Nakajima, Hideo; Kato, Takashi; Nishi, Masataka; Takahashi, Yoshikazu; Ando, Toshinari; Tsuji, Hiroshi; et al.
IEEE Transactions on Magnetics, 32(4), p.2328 - 2331, 1996/07
Times Cited Count:6 Percentile:50.68(Engineering, Electrical & Electronic)no abstracts in English