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Yutaka Utsuno
Researcher at Japan Atomic Energy Agency
Publications - 170
Citations - 5214
Yutaka Utsuno is an academic researcher from Japan Atomic Energy Agency. The author has contributed to research in topics: Monte Carlo method & Neutron. The author has an hindex of 32, co-authored 167 publications receiving 4317 citations. Previous affiliations of Yutaka Utsuno include University of Tokyo & Saha Institute of Nuclear Physics.
Papers
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Magic numbers in exotic nuclei and spin-isospin properties of the NN interaction.
TL;DR: The magic numbers in exotic nuclei are discussed, and their novel origin is shown to be the spin-isospin dependent part of the nucleon-nucleon interaction in nuclei.
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Varying shell gap and deformation in N~20 unstable nuclei studied by the Monte Carlo shell model
TL;DR: In this article, the structure of neutron-rich nuclei in the $N\ensuremath{\sim}20$ region is studied by the Monte Carlo shell model based on the quantum Monte Carlo diagonalization method.
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Novel features of nuclear forces and shell evolution in exotic nuclei.
Takaharu Otsuka,Toshio Suzuki,Michio Honma,Yutaka Utsuno,Naofumi Tsunoda,Koshiroh Tsukiyama,Morten Hjorth-Jensen +6 more
TL;DR: Novel simple properties of the monopole component of effective nucleon-nucleon interactions are presented, leading to the so-called monopole-based universal interaction, which is shown to change as functions of N and Z, consistent with experiments.
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Evidence for a new nuclear ‘magic number’ from the level structure of 54 Ca
D. Steppenbeck,Satoshi Takeuchi,Nori Aoi,Pieter Doornenbal,Masafumi Matsushita,Hua-Lei Wang,Hidetada Baba,Naoki Fukuda,Shintaro Go,Michio Honma,Jenny Lee,K. Matsui,Shin'ichiro Michimasa,Tohru Motobayashi,D. Nishimura,Takaharu Otsuka,Hiroyoshi Sakurai,Yoshiaki Shiga,P. A. Söderström,Toshiyuki Sumikama,Hiroshi Suzuki,Ryo Taniuchi,Yutaka Utsuno,J. J. Valiente-Dobón,Kenichiro Yoneda +24 more
TL;DR: A spectroscopic study of the neutron-rich nucleus 54Ca using proton knockout reactions involving fast radioactive projectiles highlights the doubly magic nature of 54Ca and provides direct experimental evidence for the onset of a sizable subshell closure at neutron number 34 in isotopes far from stability.
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Monte Carlo shell model for atomic nuclei
TL;DR: In this paper, the development, present status and future perspectives of the Monte Carlo shell model are discussed, and the development and limitation of the conventional shell model calculations are shown, and stochastic approaches are introduced.