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Journal Articles

Charge radii and electromagnetic moments of $$^{195-211}$$At

Cubiss, J.*; Andreyev, A. N.; Mitsuoka, Shinichi*; Nagame, Yuichiro; Nishio, Katsuhisa; Ota, Shuya*; Wakabayashi, Yasuo*; 60 of others*

Physical Review C, 97(5), p.054327_1 - 054327_19, 2018/05

 Times Cited Count:30 Percentile:92.76(Physics, Nuclear)

Journal Articles

Changes in mean-squared charge radii and magnetic moments of $$^{179-184}$$Tl measured by in-source laser spectroscopy

Barzakh, A.*; Andreyev, A. N.; Cocolios, T. E.*; de Groote, R. P.*; Fedorov, D. V.*; Fedosseev, V. N.*; Ferrer, R.*; Fink, D. A.*; Ghys, L.*; Huyse, M.*; et al.

Physical Review C, 95(1), p.014324_1 - 014324_12, 2017/01

 Times Cited Count:22 Percentile:86.87(Physics, Nuclear)

Journal Articles

Magnetic susceptibility of multiorbital systems

Kubo, Katsunori; Hotta, Takashi

Journal of the Physical Society of Japan, 75(1), p.013702_1 - 013702_4, 2006/01

 Times Cited Count:11 Percentile:56.36(Physics, Multidisciplinary)

Effects of orbital degeneracy on magnetic susceptibility in paramagnetic phases are investigated within a mean-field theory. Under certain crystalline electric fields, the magnetic moment consists of two independent moments, e.g., spin and orbital moments. In such a case, the magnetic susceptibility is given by the sum of two different Curie-Weiss relations, leading to the deviation from the Curie-Weiss law. Such behavior may be observed in $$d$$- and $$f$$-electron systems with $$t_{2g}$$ and $$Gamma_8$$ ground states, respectively. As a potential application of our theory, we attempt to explain the difference in the temperature dependence of magnetic susceptibilities of UO$$_2$$ and NpO$$_2$$. Then, we find that the difference in the temperature dependence can be naturally explained by considering the effects of the octupole moments in NpO$$_2$$.

Journal Articles

Precision hfs of $$^{126}$$Cs($$T$$$$_{1/2}$$ = 1.63 m) by ABMR

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:36.01(Physics, Nuclear)

The hfs separation $$Deltanu$$ of $$^{126}$$Cs($$T$$$$_{1/2} = 1.63$$ m) in the 6s $$^2$$S$$_{1/2}$$ 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, $$Deltanu = 3629.514(0.001)$$ MHz, corrects significantly a previous published value from a high-field experiment. With our result, the precision of the nuclear magnetic moment, $$mu(^{126}$$Cs)$$sim 0.776 mu_N$$, is now limited by the influence of extended nuclear structure on the hfs (the Bohr-Weisskopf effect).

Journal Articles

Orbital angular momentum and interpretation of core-absorption magnetic circular dichroism on the band picture in Co-based Heusler alloys Co$$_{2}Y$$Sn ($$Y$$=Ti, Zr, and Nb)

Yamasaki, Atsushi*; Imada, Shin*; Arai, Ryuji*; Utsunomiya, Hiroshi*; Suga, Shigemasa*; Muro, Takayuki*; Saito, Yuji; Kanomata, Takeshi*; Ishida, Shoji*

Physical Review B, 65(10), p.104410_1 - 104410_6, 2002/03

 Times Cited Count:60 Percentile:89.26(Materials Science, Multidisciplinary)

The magnetic circular dichroism (MCD) of core-level absorption [x-ray absorption spectroscopy (XAS)] spectra in the soft x-ray region has been measured for the ferromagnetic Heusler alloys Co$$_{2}$$TiSn, Co$$_{2}$$ZrSn, and Co$$_{2}$$NbSn. The many-peak structures which are clearly observed in the Co 2p-3d XAS-MCD spectra cannot be well explained by atomic multiplet calculations but are better explained by the Co 3d unoccupied states predicted by linear muffin-tin orbital atomic sphere approximation band structure calculations. The MCD spectra show an obvious contribution of the orbital angular momentum component to the magnetic moment in these alloys. The ratio between the orbital angular momentum and spin derived from the MCD spectra varies by more than a factor of 2 within these alloys. The mechanism of this variation is discussed in comparison with the band structure calculations.

Journal Articles

Simulation study on collisionless loss of runaway electrons by magnetic perturbations in a tokamak

Tokuda, Shinji; Yoshino, Ryuji

Nuclear Fusion, 39(9), p.1123 - 1132, 1999/09

 Times Cited Count:21 Percentile:56.42(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Nuclear magnetic moment of the first excited state (I=2$$^{+}$$) of $$^{238}$$U

Tsutsui, Satoshi*; Nasu, Saburo*; Nakada, Masami; ; Saeki, Masakatsu; *; *; Nakamura, Akio

Journal of the Physical Society of Japan, 67(8), p.2641 - 2644, 1998/08

 Times Cited Count:8 Percentile:53.79(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Calculations of the magnetic properties of Y$$_{2}$$Fe$$_{14}$$B and Gd$$_{2}$$Fe$$_{14}$$X(X=-,B,C,N) by the full-potential linearized augmented plane wave method

Yamaguchi, Masatake; Asano, S.*

Physica B; Condensed Matter, 254(1-2), p.73 - 83, 1998/00

 Times Cited Count:3 Percentile:22.14(Physics, Condensed Matter)

no abstracts in English

Journal Articles

Consideration of the thermodynamic and magnetic properties of NaCl-type uranium, neptunium, and plutonium compounds

Arai, Yasuo; Omichi, Toshihiko

Journal of Solid State Chemistry, 115(1), p.66 - 70, 1995/02

 Times Cited Count:1 Percentile:6.8(Chemistry, Inorganic & Nuclear)

no abstracts in English

Journal Articles

The Relation between lattice parameters of NaCl type U,Np and Pu compounds and their magnetic and binding properties

Omichi, Toshihiko; Arai, Yasuo

Proc. of the 4th Int. Symp. on Advanced Nuclear Energy Research (JAERI-CONF 1/JAERI-M 92-207), p.204 - 208, 1992/12

no abstracts in English

Journal Articles

Magnetic moment of the 2,140.2keV 5$$^{-}$$ state in $$^{1}$$$$^{3}$$$$^{6}$$Ba

; *; *; *; *; *

Hyperfine Interactions, 7(2), p.103 - 107, 1979/00

no abstracts in English

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