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Journal Articles

Magnetic and structure transition of Mn$$_{3-x}$$Fe$$_x$$O$$_4$$ solid solutions under high-pressure and high-temperature conditions

Yamanaka, Takamitsu*; Hirao, Naohisa*; Nakamoto, Yuki*; Mikouchi, Takashi*; Hattori, Takanori; Komatsu, Kazuki*; Mao, H.-K.*

Physics and Chemistry of Minerals, 49(10), p.41_1 - 41_14, 2022/10

https://doi.org/10.1007/s00269-022-01215-4
 Times Cited Count：0 Percentile：0.02(Materials Science, Multidisciplinary)

Magnetic and crystal structure of Mn$$_{3-x}$$Fe$$_x$$O$$_4$$ solid solutions under high-PT conditions are investigated by neutron diffraction and synchrotron M${"o}$ssbauer spectroscopy. The ferrimagnetic-paramagnetic transition and tetragonal-cubic transition of Mn$$_2$$FeO$$_4$$ spinel occur at 100$$^circ$$C and 180$$^circ$$C, respectively, suggesting both the transitions are not coupled. The structure transition temperature decreases with pressure. M${"o}$ssbauer experiments and neutron diffraction revealed that the Fe$$^{2+}$$ occupancy in tetrahedral site increases increase with pressure, suggesting Mn$$_2$$FeO$$_4$$ phase approaches inverse spinel. Magnetic structure refinement clarified paramagnetic and ferrimagnetic structure of MnFe$$_2$$O$$_4$$ and Mn$$_2$$FeO$$_4$$. These spinels transform into high-pressure orthorhombic phases at 18.4 and 14.0 GPa, respectively, indicating lower transition pressure with increasing Mn content.

Journal Articles

Evolution of the reaction and alteration of granite with Ordinary Portland cement leachates; Sequential flow experiments and reactive transport modelling

Bateman, K.*; Murayama, Shota*; Hanamachi, Yuji*; Wilson, J.*; Seta, Takamasa*; Amano, Yuki; Kubota, Mitsuru*; Ouchi, Yuji*; Tachi, Yukio

Minerals (Internet), 12(7), p.883_1 - 883_20, 2022/07

https://doi.org/10.3390/min12070883
 Times Cited Count：0 Percentile：0.02(Geochemistry & Geophysics)

Journal Articles

Evolution of the reaction and alteration of mudstone with ordinary Portland cement leachates; Sequential flow experiments and reactive-transport modelling

Bateman, K.; Murayama, Shota*; Hanamachi, Yuji*; Wilson, J.*; Seta, Takamasa*; Amano, Yuki; Kubota, Mitsuru*; Ouchi, Yuji*; Tachi, Yukio

Minerals (Internet), 11(9), p.1026_1 - 1026_23, 2021/09

https://doi.org/10.3390/min11091026
 Times Cited Count：2 Percentile：23.36(Geochemistry & Geophysics)

Journal Articles

Reaction and alteration of mudstone with Ordinary Portland Cement and Low Alkali Cement pore fluids

Bateman, K.; Amano, Yuki; Kubota, Mitsuru*; Ouchi, Yuji*; Tachi, Yukio

Minerals (Internet), 11(6), p.588_1 - 588_19, 2021/06

https://doi.org/10.3390/min11060588
 Times Cited Count：4 Percentile：45.1(Geochemistry & Geophysics)

Journal Articles

Event structure and double helicity asymmetry in jet production from polarized $$p + p$$ collisions at $$sqrt{s}$$ = 200 GeV

Adare, A.*; Afanasiev, S.*; Aidala, C.*; Ajitanand, N. N.*; Akiba, Y.*; Al-Bataineh, H.*; Alexander, J.*; Aoki, K.*; Aphecetche, L.*; Armendariz, R.*; et al.

Physical Review D, 84(1), p.012006_1 - 012006_18, 2011/07

https://doi.org/10.1103/PhysRevD.84.012006
 Times Cited Count：29 Percentile：72.31(Astronomy & Astrophysics)

We report on the event structure and double helicity asymmetry ($$A_{LL}$$) of jet production in longitudinally polarized $$p + p$$ collisions at $$sqrt{s}$$ = 200 GeV. Photons and charged particles were measured by the PHENIX experiment. Event structure was compared with the results from PYTHIA event generator. The production rate of reconstructed jets is satisfactorily reproduced with the next-to-leading-order perturbative QCD calculation. We measured $$A_{LL}$$ = -0.0014 $$pm$$ 0.0037 at the lowest $$P_T$$ bin and -0.0181 $$pm$$ 0.0282 at the highest $$P_T$$ bin. The measured $$A_{LL}$$ is compared with the predictions that assume various $$Delta G(x)$$ distributions.

Journal Articles

Identified charged hadron production in $$p + p$$ collisions at $$sqrt{s}$$ = 200 and 62.4 GeV

Adare, A.*; Afanasiev, S.*; Aidala, C.*; Ajitanand, N. N.*; Akiba, Yasuyuki*; Al-Bataineh, H.*; Alexander, J.*; Aoki, Kazuya*; Aphecetche, L.*; Armendariz, R.*; et al.

Physical Review C, 83(6), p.064903_1 - 064903_29, 2011/06

https://doi.org/10.1103/PhysRevC.83.064903
 Times Cited Count：184 Percentile：99.44(Physics, Nuclear)

Transverse momentum distributions and yields for $$pi^{pm}, K^{pm}, p$$, and $$bar{p}$$ in $$p + p$$ collisions at $$sqrt{s}$$ = 200 and 62.4 GeV at midrapidity are measured by the PHENIX experiment at the RHIC. We present the inverse slope parameter, mean transverse momentum, and yield per unit rapidity at each energy, and compare them to other measurements at different $$sqrt{s}$$ collisions. We also present the scaling properties such as $$m_T$$ and $$x_T$$ scaling and discuss the mechanism of the particle production in $$p + p$$ collisions. The measured spectra are compared to next-to-leading order perturbative QCD calculations.

Journal Articles

Measurement of neutral mesons in $$p$$ + $$p$$ collisions at $$sqrt{s}$$ = 200 GeV and scaling properties of hadron production

Adare, A.*; Afanasiev, S.*; Aidala, C.*; Ajitanand, N. N.*; Akiba, Y.*; Al-Bataineh, H.*; Alexander, J.*; Aoki, K.*; Aphecetche, L.*; Armendariz, R.*; et al.

Physical Review D, 83(5), p.052004_1 - 052004_26, 2011/03

https://doi.org/10.1103/PhysRevD.83.052004
 Times Cited Count：175 Percentile：98.48(Astronomy & Astrophysics)

The PHENIX experiment at RHIC has measured the invariant differential cross section for production of $$K^0_s$$, $$omega$$, $$eta'$$ and $$phi$$ mesons in $$p + p$$ collisions at $$sqrt{s}$$ = 200 GeV. The spectral shapes of all hadron transverse momentum distributions are well described by a Tsallis distribution functional form with only two parameters, $$n$$ and $$T$$, determining the high $$p_T$$ and characterizing the low $$p_T$$ regions for the spectra, respectively. The integrated invariant cross sections calculated from the fitted distributions are found to be consistent with existing measurements and with statistical model predictions.

Journal Articles

First test results for the ITER central solenoid model coil

Kato, Takashi; Tsuji, Hiroshi; Ando, Toshinari; Takahashi, Yoshikazu; Nakajima, Hideo; Sugimoto, Makoto; Isono, Takaaki; Koizumi, Norikiyo; Kawano, Katsumi; Oshikiri, Masayuki*; et al.

Fusion Engineering and Design, 56-57, p.59 - 70, 2001/10

https://doi.org/10.1016/S0920-3796(01)00235-6
 Times Cited Count：17 Percentile：74.85(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Progress of the ITER central solenoid model coil programme

Tsuji, Hiroshi; Okuno, Kiyoshi*; Thome, R.*; Salpietro, E.*; Egorov, S. A.*; Martovetsky, N.*; Ricci, M.*; Zanino, R.*; Zahn, G.*; Martinez, A.*; et al.

Nuclear Fusion, 41(5), p.645 - 651, 2001/05

https://doi.org/10.1088/0029-5515/41/5/319
 Times Cited Count：57 Percentile：83.02(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Construction of a fast real-time visualization system for JT-60 plasma shape

Hoshi, Y.*; Miura, Yushi; Ouchi, K.*; Kakefuda, Toyokazu*; Akiba, K.*; *; Kawamata, Yoichi; Kurihara, Kenichi

Heisei-12-Nendo Tohoku Daigaku Gijutsu Kenkyukai Hokoku, p.425 - 427, 2001/03

no abstracts in English

Journal Articles

Test results of the SMES model coil; Cool-down and thermal characteristics

Hamada, Kazuya; Kato, Takashi; Kawano, Katsumi; *; *; *; Imahashi, Koichi*; Otsu, K.*; Tajiri, F.*; Ouchi, T.*; et al.

Teion Kogaku, 33(7), p.467 - 472, 1998/00

https://doi.org/10.2221/jcsj.33.467

no abstracts in English

Journal Articles

New approach to spin assignments of intermediate structures in $$^{12}$$C($$^{16}$$O,$$^{12}$$C[2$$_1^{+}$$])$$^{16}$$O

Sugiyama, Yasuharu; Tomita, Yoshiaki; Ikezoe, Hiroshi; Yamanouchi, Y.; Ideno, K.; Hamada, S.; Hijiya, M.*; Sugimitsu, Tsuyoshi *; Mukae, T.*; Nakamoto, K.*; et al.

Physical Review C, 49(6), p.3305 - 3308, 1994/06

https://doi.org/10.1103/PhysRevC.49.3305
 Times Cited Count：3 Percentile：18.28(Physics, Nuclear)

no abstracts in English

Journal Articles

Observation of Airy oscillation for the $$^{16}$$O + $$^{16}$$O system at E$$_{lab}$$=145MeV

Sugiyama, Yasuharu; Tomita, Yoshiaki; Ikezoe, Hiroshi; Yamanouchi, Y.; Ideno, K.; Hamada, S.; Sugimitsu, Tsuyoshi *; Hijiya, M.*; *

Physics Letters B, 312(1-2), p.35 - 39, 1993/08

https://doi.org/10.1016/0370-2693(93)90482-W
 Times Cited Count：38 Percentile：87.64(Astronomy & Astrophysics)

no abstracts in English

13 (Records 1-13 displayed on this page)
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