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Dr Tomoya Naito (The University of Tokyo)09/02/2026, 13:45
Arch behaviour of charge radii of Ca isotopes has been a long standing problem in nuclear theory. Recently, it was proposed that the Fayans pairing is a possible solution to obtain it using nuclear density functional theory. In this talk, we will explain the mechanism why the Fayans pairing can show the arch behaviour.
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Yutaka Utsuno (Japan Atomic Energy Agency)09/02/2026, 13:45
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Hitoshi Nakada (Chiba University)09/02/2026, 14:10
The self-consistent mean-field calculation with semi-realistic interactions has predicted that N=58 becomes a magic number at Ni, at which n2s1/2 is the highest occupied orbit. Thereby, Ni-86 can be very distinguished, as it is a doubly-magic nucleus and possesses a neutron halo simultaneously. With the least ambiguities in the many-body wave function, it may provide a unique opportunity to...
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Marco Tik Tsun Yeung09/02/2026, 14:10
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Dr Daisuke Suzuki (Department of Physics, University of Tokyo)09/02/2026, 14:30
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yasutaka yamamoto09/02/2026, 14:35
We aim to investigate mesonic effects in nuclei by measuring B(M1) values for l-forbidden (Δl = 2, ΔJπ = 1⁺) transitions. The transition strengths were obtained from level lifetimes measured using the line-shape analysis method with Ge detectors. In this study, we performed two in-beam γ-ray spectroscopy experiments to determine the lifetimes of the first excited states in 39Cl (CAGRA...
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Nobuaki IMAI (CNS, Univ. of Tokyo)09/02/2026, 14:50
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Dr Sunghan Bae (IRIS, IBS)09/02/2026, 15:00
The rapid neutron capture process, r-process, is responsible for the production of more than half of the elements heavier than iron. However, the physical conditions and astronomical sites of the r-process have not yet been determined. The lack of experimental data on the properties of the involved exotic nuclei is a significant source of uncertainty. In particular, the difficulty of directly...
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Dr Shinsuke Ota (RCNP, Osaka University)09/02/2026, 15:10
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Park Chaeyeon (IRIS/IBS)09/02/2026, 15:20
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Yoshikazu HIRAYAMA (IPNS, KEK)09/02/2026, 16:05
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Aiko Takamine (Kyushu University)09/02/2026, 16:15
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Kentaro Yako (CNS, University of Tokyo)09/02/2026, 16:25
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Fumiya Furukawa (RCNP)09/02/2026, 16:35
To experimentally quantify isoscalar proton–neutron pairing correlations in atomic nuclei, we plan systematic measurements of nucleon-pair transfer reactions. In order to separate the isoscalar (T = 0) and isovector (T = 1) pair-transfer strengths, it is effective to combine the (α,⁶Li) reaction, in which both components can be excited, with the (d,α) reaction, in which preferentially selects...
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Nishioka09/02/2026, 16:40
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Yasmin Anuar09/02/2026, 16:50
The rapid neutron capture (r-) process gained significant amounts of interest as a means of nucleosynthesis of elements in astrophysical environments. Consequently, there have been ongoing efforts to better understand it from the perspective of both, nuclear physics and astrophysics. From the standpoint of nuclear physics, such efforts include measurements of β-decay and delayed neutron...
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Dr Minju Kim (Institute for Rare Isotope Science)10/02/2026, 09:20
Ionization chambers are widely used in nuclear physics experiments and their role has recently expanded to active target applications. VOICE (Vertically Oriented wire Ionization Chamber with sEgmentation) is being developed at the Center for Exotic Nuclear Studies (CENS), Institute for Basic Science (IBS), to enable direct measurements of alpha induced reaction cross sections. The detector...
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Mukul Khandelwal (RCNP, The University of Osaka)10/02/2026, 09:40
The neutron-rich rare-earth nuclei in the A$\sim$160 mass region lie in one of the deformed sectors of the nuclear chart. Examining these nuclei helps us understand the evolution of nuclear deformation. The systematics of the first excited $2^+$ states in even-even nuclei suggest that Nd ($Z=60$) isotopes exhibit among the largest ground-state deformations in the A$\sim$160 region....
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中川 昂星 (京都大学)10/02/2026, 10:00
In our previous study, we found that the ${}^8\mathrm{He}(0_2^+)$ state is dominantly described by a weakly bound $\alpha + {}^2n + {}^2n$ cluster structure, and we pointed out its similarity to the $3\alpha$ gas-like state in ${}^{12}\mathrm{C}$. Based on this observation, it is considered weakly bound 3-body $S$-wave cluster states (here denoted as "3-cluster gas states") tend to appear near...
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Shion Yoshikawa (RCNP, the University of Osaka)10/02/2026, 10:20
Nuclear fission is a phenomenon in which a nucleus splits into two (or more) lighter nuclei. From a theoretical perspective, fission has been studied using macroscopic approaches such as the Langevin method, as well as the microscopic frameworks including the DFT(density functional theory) and GCM(generator coordinate method). A microscopic understanding of nuclear fission at the nucleonic...
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15. Role of deformation and pairing correlations in soft E1 excitations of the Borromean nucleus 19BMasayuki Yamagami (University of Aizu)10/02/2026, 11:00
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Takeshi Sato, Takumi Ogata, Dr Tomoya Naito (The University of Tokyo), Yugo Komai10/02/2026, 11:15
We propose a multiconfiguration time-dependent Hartree–Fock (MCTDHF) method for ab initio descriptions of many-body tunneling in nuclear processes. Originally developed for intense laser-driven multielectron dynamics [1], the MCTDHF method employs a configuration interaction (CI) wavefunction in which both the CI coefficients and single-particle functions are treated as time-dependent...
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Nori AOI (RCNP, Osaka Univ.)10/02/2026, 11:40
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Dr Minju Kim
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Shintaro Go (RIKEN)
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Mukul
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Furukawa (RCNP the University of Osaka)
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Yasmin
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Noritaka Kitamura (Center for Nuclear Study, University of Tokyo)
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