Soryushiron Kenkyu Electronics

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Volume 107, Issue 4

Displaying 1-50 of 84 articles from this issue

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[title in Japanese]

Article type: Cover
2003 Volume 107 Issue 4 Pages Cover1-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_Cover1

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[title in Japanese]

Article type: Appendix
2003 Volume 107 Issue 4 Pages App1-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_App1

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[title in Japanese]

Article type: Appendix
2003 Volume 107 Issue 4 Pages D1-D4
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D1

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Recent results from Belle

Katsumi Senyo

Article type: Article
2003 Volume 107 Issue 4 Pages D5-D8
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D5

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[title in Japanese]

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D9-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D9

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Calculation of magnetic penguin amplitudes in hadronic B decays using PQCD approach

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D10-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D10

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[title in Japanese]

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D11-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D11

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[title in Japanese]

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D12-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D12

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[title in Japanese]

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D13-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D13

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Hadronic flux tube in lattice QCD

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D14-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D14

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Finite temperature phase transition with N_f=2 nonperturbatively improved Wilson fermions at N_t=8

Y. Nakamura

Article type: Article
2003 Volume 107 Issue 4 Pages D15-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D15

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We present results obtained in N_f=2 lattice QCD with nonperturbatively O(a) improved Wilson fermions on 16^3 -8 lattice. The transition temperature at <m_π>/<m_ρ>≈0.8 on a fine lattice with r_0/a=4.4 is determined. It is found that the use of abelian projection after fixing MA gauge makes possible more precise determination of the critical temperature(T_c). We also study monopole dynamics and compare it with that in the quenched theory.

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N_f=2 lattice QCD with light sea quarks

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D16-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D16

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D17-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D17

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[title in Japanese]

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D18-D20
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D18

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[title in Japanese]

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D21-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D21

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The Vector and Axial-Vector Susceptibilities and Effective Degrees of Freedom in the Vector Manifestation

M. Harada, Y. Kim, M. Rho, C. Sasaki

Article type: Article
2003 Volume 107 Issue 4 Pages D22-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D22

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Measuring the CP-Violating Phase by a Long Baseline Neutrino Experiment with Hyper-Kamiokande

N. Okamura

Article type: Article
2003 Volume 107 Issue 4 Pages D23-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D23

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Numerical study on the correlation between CP in neutrino oscillation and baryogenesis

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D24-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D24

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The NuTeV Anomaly, Neutrino Mixing, and a Heavy Higgs

Tatsu Takeuchi

Article type: Article
2003 Volume 107 Issue 4 Pages D25-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D25

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See-saw Realization of Texture Zeros in Neutrino Mass Matrix

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D26-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D26

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Neutrino Oscillation and Physics at the M_R scale

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D27-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D27

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Non-Anomalous Flavor Symmetries and SU(6)×SU(2)_R Model

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D28-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D28

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Gauge Coupling Unification

Nobuhiro Maekawa, Toshifumi Yamashita

Article type: Article
2003 Volume 107 Issue 4 Pages D29-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D29

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[in Japanese]

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U(1) Flavor Symmetry and Proton Decay in Supersymmetric Standard Model

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D30-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D30

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[title in Japanese]

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D31-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D31

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Supersymmetry Breaking and Extra Dimensions

Nobuhito Maru

Article type: Article
2003 Volume 107 Issue 4 Pages D32-D35
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D32

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Phenomenology of Minimal Supergravity with Vanishing A and B Soft Supersymmetry Breaking Parameters

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D36-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D36

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Suppressing FCNC and CP Violating Phases by Extra Dimensions

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D37-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D37

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Gauge dependence in the renormalization of tanβ

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D38-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D38

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[title in Japanese]

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D39-D41
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D39

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Fermion Mass Hierarchy in the Six Dimensional SO(10) Grand Unified Theory on Orbifold

Naoyuki HABA

Article type: Article
2003 Volume 107 Issue 4 Pages D42-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D42

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Towards a Realistic Model based on Orbifold Compactification

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D43-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D43

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Low-Energy Implication of Superstring Theory

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D44-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D44

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[title in Japanese]

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D45-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D45

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Simple Brane World Scenario with Positive Five Dimensional Cosmological Constant

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D46-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D46

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Inflaton condensate into Q balls after inflation

S. Kasuya

Article type: Article
2003 Volume 107 Issue 4 Pages D47-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D47

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We describe a new mechanism for reheating the universe through evaporation of a surface of inflatonic solitons fragmented from its condensate. We show that for a range of yukawa coupling of the inflaton to the matter sector evaporation gives rise to a much smaller reheat temperature compared to the standard perturbative decay. As a consequence, reheating through a surface could solve the gravitino and moduli over production problem in inflationary models without fine tuning the coupling between the inflaton and other fields.

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Large lepton asymmetry from Q-balls

M. Kawasaki, Fuminobu Takahashi, Masahide Yamaguchi

Article type: Article
2003 Volume 107 Issue 4 Pages D48-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D48

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We propose a scenario which can explain large lepton asymmetry and small baryon asymmetry simultaneously. Large lepton asymmetry is generated through the Affleck-Dine (AD) mechanism and almost all the produced lepton numbers are absorbed into Q-balls (L-balls). If the lifetime of the L-balls is longer than the onset of electroweak phase transition but shorter than the epoch of big bang nucleosynthesis (BBN), the large lepton asymmetry in the L-balls is protected from sphaleron effects. On the other hand, small (negative) lepton numbers are evaporated from the L-balls due to thermal effects, which are converted into the observed small baryon asymmetry by virtue of sphaleron effects. Large and positive lepton asymmetry of electron type is often requested from BBN. In our scenario by choosing an appropriate flat direction in the minimal supersymmetric standard model, we can produce positive lepton asymmetry of the electron type but totally negative lepton asymmetry.

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Flat manifold leptogenesis in the supersymmetric standard model

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D49-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D49

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Baryogenesis in models with Large Extra dimensions

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D50-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D50

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Cosmic Solutions in the Einstein-Weinberg-Salam Theory and the Generation of Large Electromagnetic Fields

Yutaka Hosotani

Article type: Article
2003 Volume 107 Issue 4 Pages D51-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D51

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In the SU(2)_L×U(1)_Y standard electroweak theory coupled with the Einstein gravity, new topological configurations naturally emerge, if the spatial section of the universe is globally a three-sphere (S^3) with a small radius. The SU(2)_L gauge fields wrap the space nontrivially, producing homogeneous but anisotropic space. As the universe expands, large electric and magnetic fields are produced. The electromagnetic field configuration is characterized by the Hopf map.

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Boundary Logarithmic CFT : a two-point function of c=-2

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D52-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D52

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Alternative to Higgs and Unification

[in Japanese]

Article type: Article
2003 Volume 107 Issue 4 Pages D53-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D53

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[title in Japanese]

Article type: Appendix
2003 Volume 107 Issue 4 Pages D54-D58
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D54

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[title in Japanese]

Article type: Appendix
2003 Volume 107 Issue 4 Pages D59-D62
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D59

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Radio Jets in Astrophysics(Session 1:Astrophysical Jets,High-Energy Emission from Accreting Compact Objects,Korea-Japan Seminar)

Seiji Kameno

Article type: Article
2003 Volume 107 Issue 4 Pages D63-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D63_1

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A Helical Magnetic Field in the jet of 3C 273(Session 1:Astrophysical Jets,High-Energy Emission from Accreting Compact Objects,Korea-Japan Seminar)

Keiichi Asada

Article type: Article
2003 Volume 107 Issue 4 Pages D63-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D63_2

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Chandra Observations of Kpc-Scale Jets : Sites of Extreme Particle Acceleration(Session 1:Astrophysical Jets,High-Energy Emission from Accreting Compact Objects,Korea-Japan Seminar)

Jun Kataoka

Article type: Article
2003 Volume 107 Issue 4 Pages D64-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D64_1

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Milimeter Observation of the microquasar GRS 1915+105 with the 14m Taeduk Radio Telescope and the Korean VLBI(Session 1:Astrophysical Jets,High-Energy Emission from Accreting Compact Objects,Korea-Japan Seminar)

Jeong-Sook Kim

Article type: Article
2003 Volume 107 Issue 4 Pages D64-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D64_2

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Magnetic Flares and Jets in Stars and Disks(Session 1:Astrophysical Jets,High-Energy Emission from Accreting Compact Objects,Korea-Japan Seminar)

Kazunari Shibata

Article type: Article
2003 Volume 107 Issue 4 Pages D64-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D64_3

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General Relativistic MHD jets(Session 1:Astrophysical Jets,High-Energy Emission from Accreting Compact Objects,Korea-Japan Seminar)

Shinji Koide

Article type: Article
2003 Volume 107 Issue 4 Pages D64-
Published: July 20, 2003
Released on J-STAGE: October 02, 2017

DOIhttps://doi.org/10.24532/soken.107.4_D64_4

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