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Search Results: 1 - 10 of 51890 matches for " Y. Abe "
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Spin Alignments in Heavy-ion Resonances
E. Uegaki,Y. Abe
Physics , 1999,
Abstract: Recent particle-particle-$\gamma$ coincident measurements on a $^{28}\rm Si+{}^{28}Si$ resonance have suggested ''vanishing spin alignments''. New analyses for spin alignments by using a molecular model are reported. Different aspects between di-nuclear systems with prolate deformed nuclei and those with oblate deformed nuclei are clarified.
Stainability and Fine Structure of Intracytoplasmic Inclusion Bodies in the Locus Ceruleus of Mouse  [PDF]
Yoshimitsu Y. Katoh, Kazuyoshi Sakai, Chiyuki Kaneko, Masato Abe
Journal of Behavioral and Brain Science (JBBS) , 2013, DOI: 10.4236/jbbs.2013.37058
Abstract: The present study compared intracytoplasmic inclusion bodies in the locus ceruleus (LC) of mouse with protein bodies in the LC of human. Phosphotungstic acid-hematoxylin (PTAH) and the Mallory method were used as the anionic stains. The inclusion bodies and protein bodies, which stained with PTAH and the Mallory method in the brain, contain proteins that appear to belong to the same family. Although both inclusion and protein bodies were formed with the same arginine composition, their distribution in the brain was similar and similar physiological changes by morbidity were observed, and the fine structure of the inclusion bodies and protein bodies appeared to be different. The present findings suggest that mouse inclusion bodies and human protein bodies are different.
New Thick Film Functional Devices
Y. Taketa,O. Abe,M. Haradome
Active and Passive Electronic Components , 1981, DOI: 10.1155/apec.8.77
High-Pressure and Heat Pretreatment Effects on Rehydration and Quality of Sweet Potato
S. Abe,S.,Y. Yamamuro,K. Tau
American Journal of Food Technology , 2011,
Abstract: The effects of high-pressure and heat pretreatments, used prior to drying, on the rehydration rate and quality of sweet potato was investigated. Sweet potato was pressurized at 200 Mpa for 5 min and heat treatment was performed at 100°C for 5 min. Three different types of pretreatments were performed: heat treatment, heat treatment after high-pressure treatment and high-pressure treatment after heat treatment. There were no differences in the color parameters (L*, C* and h) and gelatinization rate of rehydrated sweet potato exposed to the three different pretreatments. However, heat treatment after high-pressure treatment resulted in pronounced texture improvement compared to the other pretreatments. The relative hardness of the rehydrated sweet potato exposed to heat treatment after high-pressure treatment was higher than with the other pretreatments. Furthermore, it was found that the rehydration rate of sweet potato exposed to heat treatment after high-pressure treatment was lower than either heat treatment or high-pressure treatment after heat treatment. Heat treatment after high-pressure treatment prior to drying prevented cubes of sweet potato from collapsing during rehydration. This study shows that in sweet potato, the use of heat treatment after high-pressure treatment prior to drying could serve as an effective method for texture improvement.
The Role of CP violation in D0 anti-D0 Mixing
G. Blaylock,Abe Seiden,Y. Nir
Physics , 1995, DOI: 10.1016/0370-2693(95)00787-L
Abstract: In current searches for D0 anti-D0 mixing, the time evolution of ``wrong-sign'' decays is used to distinguish between a potential mixing signal and the dominant background from doubly-Cabibbo-suppressed decays. A term proportional to $\Delta Mt$ in the expression for the time evolution is often neglected in theoretical discussions and experimental analyses of these processes. We emphasize that, in general, this term does not vanish even in the case of CP invariance. Furthermore, CP invariance is likely to be violated if the rate of D0 anti-D0 mixing is close to the experimental bound. The consequence of either of these two facts is that the strongest existing measured bound is not applicable for constraining New Physics.
Optical diffraction spectroscopy of excitons in uniaxially-strained GaN films
Y. Toda,S. Adachi,Y. Abe,K. Hoshino,Y. Arakawa
Physics , 2004, DOI: 10.1103/PhysRevB.71.195315
Abstract: The degenerate four-wave mixing spectroscopy of uniaxially strained GaN layers is demonstrated using colinearly polarized laser pulses. The nonlinear response of FWM signal on exciton oscillator strength enhances the sensitivity for polarized exciton, allowing for mapping out the in-plane anisotropy of the strain field. The observed high-contrast spectral polarization clearly shows fine structure splittings of excitons, which are also confirmed in the change of quantum beating periods of time.
Unusual behaviors in the transport properties of REFe$_{4}$P$_{12}$ (RE: La, Ce, Pr, and Nd)
H. Sato,Y. Abe,H. Okada,T. D. Matsuda,K. Abe,H. Sugawara,Y. Aoki
Physics , 2000, DOI: 10.1103/PhysRevB.62.15125
Abstract: We have investigated the resistivity ($\rho$), thermoelectric power (TEP) and Hall coefficient ($R_{H}$) on high quality single crystals of REFe$_{4}$P$_{12}$. TEP in CeFe$_{4}$P$_{12}$ is extremely large ($\sim$ 0.5mV/K at 290K) with a peak of $\sim$ 0.75mV/K at around 65K. The Hall mobility also shows a peak at $\sim$ 65K, suggesting carriers with heavy masses developed at lower temperatures related with the f-hybridized band. Both Pr- and Nd- systems exhibit an apparent increase of $\rho$ with decreasing temperature far above their magnetic transition temperatures. In the same temperature ranges, TEP exhibits unusually large absolute values of -50$\mu$V/K for PrFe$_{4}$P$_{12}$ and -15$\mu$V/K for NdFe$_{4}$P$_{12}$, respectively. For PrFe$_{4}$P$_{12}$, such anomalous transport properties suggest an unusual ground state, possibly related with the Quadrupolar Kondo effect.
Unitarity in gauge symmetry breaking on orbifold
Y. Abe,N. Haba,Y. Higashide,K. Kobayashi,M. Matsunaga
Physics , 2003, DOI: 10.1143/PTP.109.831
Abstract: We study the unitarity bounds of the scattering amplitudes in the extra dimensional gauge theory where the gauge symmetry is broken by the boundary condition. The estimation of the amplitude of the diagram including four massive gauge bosons in the external lines shows that the asymptotic power behavior of the amplitude is canceled. The calculation will be done in the 5 dimensional standard model and the SU(5) grand unified theory, whose 5th dimensional coordinate is compactified on $S^1/Z_2$. The broken gauge theories through the orbifolding preserve the unitarity at high energies similarly to the broken gauge theories where the gauge bosons obtain their masses through the Higgs mechanism. We show that the contributions of the Kaluza-Klein states play a crucial role in conserving the unitarity.
Theory of Nuclear Reactions Leading to Superheavy Elements
Y. Abe,K. Okazaki,Y. Aritomo,T. Wada,M. Ohta
Physics , 1999,
Abstract: Dynamical reaction theory is presented for synthesis of superheavy elements. Characteristic features of formation and surviving are discussed, which combinedly determine final residue cross sections of superheavy elements. Preliminary results on Z=114 are also given.
Non-motor signs and symptoms in Parkinson’s disease  [PDF]
Kazuo Abe
Health (Health) , 2012, DOI: 10.4236/health.2012.431171
Abstract: Motor symptoms are cardinal clinical features of Parkinson’s disease (PD). Progress in drug therapy and rehabilitation has been presenting beneficial effect for motor symptoms. However, non-motor symptoms and signs in PD have been accumulated growing attentions and its amelioration may also give beneficial effect for PD patients’ and their care givers’ quality of life. In this mini-review, I overviewed non-motor symptoms and signs in PD.
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