Shimizu Yoshimitsu SHIMIZU Yoshimitsu

ID:1000020011744

Division of Chemistry, Graduate School of Science, Kyoto University (2004年 CiNii収録論文より)

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Articles:  1-20 of 20

  • Infrared and Raman Study of the Charge-ordered State of θ-(ET)_2Cu_2CN[N(CN)_2]_2

    YAMAMOTO Takashi , YAKUSHI Kyuya , SHIMIZU Yasuhiro , SAITO Gunzi

    The polarized Raman and infrared spectra of θ-(ET)<SUB>2</SUB>Cu<SUB>2</SUB>CN[N(CN)<SUB>2</SUB>]<SUB>2</SUB> [ET = bis(ethylenedithio)tetrathiafu …

    Journal of the Physical Society of Japan 73(8), 2326-2332, 2004-08-15

    J-STAGE  References (19) Cited by (4)

  • Fermion Mass Hierarchy in the Grand Unified Theory on an S_1/(Z_2 × Z'_2) Orbifold

    HABA Naoyuki , SHIMIZU Yasuhiro , SUZUKI Tomoharu , UKAI Kazumasa , Faculty of Engineering Mie University:(Present address) Department of Physics Nagoya University , Department of Physics Nagoya University , Department of Physics Nagoya University , Department of Physics Nagoya University

    We propose a simple grand unified theory in which the fifth dimensional coordinate is compactified on an S_1/(Z_2×Z'_2) orbifold. This model is based on the supersymmetric flipped SU(5)×U(1) grand uni …

    Progress of Theoretical Physics 107(1), 151-162, 2002-01-25

    DOI  References (59)

  • Model with Gauge Coupling Unification on an S^1/(Z_2×Z'_2) Orbifold

    HABA Naoyuki , KONDO Takayuki , SHIMIZU Yasuhiro , SUZUKI Tomoharu , UKAI Kazumasa , Faculty of Engineering Mie University:Department of Physics Nagoya University , Department of Physics Nagoya University , Department of Physics Nagoya University , Department of Physics Nagoya University , Department of Physics Nagoya University

    We propose a simple grand unified theory in which the fifth dimensional coordinate is compactified on an S^1/(Z_2 × Z'_2) orbifold. We propose two models within this theory, one containing an addition …

    Progress of Theoretical Physics 106(6), 1247-1254, 2001-12-25

    DOI  References (33)

  • QED Radiative Corrections to Non-Annihilation Processes Using the Structure Function and the Parton Shower

    KURIHARA Yoshimasa , FUJIMOTO Junpei , KATO Kiyoshi , MUNEHISA Tomo , SHIMIZU Yoshimitsu , TOBIMATSU Keijiro , High Energy Accelerator Research Organization , High Energy Accelerator Research Organization , Department of Physics Kogakuin University , Faculty of Engineering Yamanashi University , High Energy Accelerator Research Organization , Department of Physics Kogakuin University

    Inclusion of the QED higher-order radiative corrections in the two-photon process e^+e^-→e^+e^-μ^+μ^- is examined by means of the structure function and the parton shower.Results are compared with the …

    Progress of Theoretical Physics 103(6), 1199-1211, 2000-06-25

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  • A QED Shower Including the Next-to-Leading Order Logarithmic Correction in e^+e^- Annihilation

    MUNEHISA Tomo , FUJIMOTO Junpei , KURIHARA Yoshimasa , SHIMIZU Yoshimitsu , Faculty of Engineering Yamanashi Univrsity , National Laboratory for High Energy Physics (KEK) , National Laboratory for High Energy Physics (KEK) , National Laboratory for High Energy Physics (KEK)

    We develop an event generator, NLL-QEDPS, based on the QED shower including the next-to-leading order logarithmic correction in e^+e^- annihilation. The shower model is a Monte Carlo technique to solv …

    Progress of Theoretical Physics 103(3), 587-612, 2000-03-25

    J-STAGE  References (12)

  • Hard Photon Distributions in e^+e^- Annihilation Process by QEDPS

    KURIHARA Yoshimasa , FUJIMOTO Junpei , MUNEHISA Tomo , SHIMIZU Yoshimitsu , National Laboratory for High Energy Physics(KEK) , National Laboratory for High Energy Physics(KEK) , Faculty of Engineering Yamanashi University , National Laboratory for High Energy Physics(KEK)

    The validity of a photon shower generator QEDPS is examined in detail. This is formulated based on the leading-logarithmic renormalization equation for the electron structure function and it provides …

    Progress of Theoretical Physics 96(6), 1223-1235, 1996-12-25

    J-STAGE  References (20)

  • Improved QEDPS for Radiative Corrections in e^+e^- Annihilation

    MUNEHISA Tomo , FUJIMOTO Junpei , KURIHARA Yoshimasa , SHIMIZU Yoshimitsu , Faculty of Engineering Yamanashi University , National Laboratory for High Energy Physics (KEK) , National Laboratory for High Energy Physics (KEK) , National Laboratory for High Energy Physics (KEK)

    The generator QEDPS, a parton shower model in QED, developed by the present authors has been improved. By a careful study on the shower algorithm, it was found that some finite contributions have been …

    Progress of Theoretical Physics 95(2), 375-388, 1996-02-25

    DOI  References (21)

  • Jets in Photon-Photon Collisions--From TRISTAN to J/N-LC

    P AURENCHE , J-Ph. GUILLET , M FONTANNAZ , Yoshimitsu SHIMIZU , Junpei FUJIMOTO , Kiyoshi KATO , Laboratoire de Physique Theorique ENSLAPP-Groupe d'Annecy , Laboratoire de Physique Theorique ENSLAPP-Groupe d'Annecy , Laboratoire de Physique Theorique et Hautes Energies Universite de Paris XI , Physics Department KEK , Physics Department KEK , Physics Department Kogakuin Uniuersty

    We study jet production in photon-photon reactions at the next-to-leading logarithm accuracy. Special emphasis is placed on the discussion of the theoretical uncertainties and on the role of the hadro …

    Progress of Theoretical Physics 92(1), p175-188, 1994-07

    DOI 

  • Monte Carlo Approach to Radiative Corrections in Bhabha Scattering

    Junpei FUJIMOTO , Yoshimitsu SHIMIZU , Tomo MUNEHISA , National Laboratory for High Energy Physics(KEK) , National Laboratory for High Energy Physics(KEK) , Faculty of Engineering Yamanashi University

    A new Monte Carlo model is proposed for radiative corrections to Bhabha scattering by extending QEDPS developed for multi-photon emission in muon pair production in e^+e^- annihilation. This is a QED …

    Progress of Theoretical Physics 91(2), p333-340, 1994-02

    DOI 

  • Monte Carlo Approach to Radiative Processes in e+e- Annihilation

    Junpei FUJIMOTO , Yoshimitsu SHIMIZU , Tomo MUNEHISA , National Laboratory for High Energy Physics(KEK) , National Laboratory for High Energy Physics(KEK) , Faculty of Engineering Yamanashi University

    We present a new approach to radiative processes in e^+e^- annihilation based on a Monte Carlo method. This is nothing but the QED version of the parton shower model studied extensively in QCD. It is …

    Progress of Theoretical Physics 90(1), p177-185, 1993-07

    DOI 

  • Numerical Approach to One-Loop Integrals

    FUJIMOTO J. , Yoshimitsu SHIMIZU , Kiyoshi KATO , Yoshio OYANAGI , National Laboratory for High Energy Physics (KEK) , National Laboratory for High Energy Physics (KEK) , Department of Physics Kogakuin University , Department of Information Science University of Tokyo

    Two numerical methods are proposed for the calculation of one-loop scalar integrals. In the first method, the singularity is cancelled by the symmetrization of the integrand and the integration is don …

    Progress of Theoretical Physics 87(5), p1233-1247, 1992-05

    DOI  Cited by (3)

  • Radiative Correction to Jet Production in e+e- Annihilation

    Junpei FUJIMOTO , Kiyoshi KATO , Yoshimitsu SHIMIZU , Department of Physics Nagoya University , Physics Department Kogakuin University , National Laboratory for High Energy Physics

    The radiative correction to the jets production is calculated for the high energy e^+e^- annihilation. The correction to the asymmetry is about a few percent for the heavy quark jets in the TRISTAN re …

    Progress of Theoretical Physics 79(3), p701-709, 1988-03

    DOI 

  • Radiative Correction to e+e-→γγ in Electroweak Theory

    Junpei FUJIMOTO , Masataka IGARASHI , Yoshimitsu SHIMIZU , Department of Physics Nagoya University , Department of Physics Tokai University , National Laboratory for High Energy Physics

    The lowest-order radiative corrections to e^+e^-→γγ in the energy regions of TORISTAN,SLC and LEP are calculated in the standard SU(2)×U(1) theory. The one loop virtual corrections due to heavy boson …

    Progress of Theoretical Physics 77(1), p118-131, 1987-01

    DOI 

  • Radiative Correction to e+e-→e+e- in the Electroweak Theory-1-Cross Sections for Hard Photon Emission

    Keijiro TOBIMATSU , Yoshimitsu SHIMIZU , Department of Physics Tokyo Metropolitan University:National Laboratory for High Energy Physics , National Laboratory for High Energy Physics

    Various cross sections for radiative Bhabha scattering, e^+ e^-→e^+e^-γ, are calculated in the standard electroweak theory. They contain distributions on photon energy dσ/dk, acollinearity angle dσ/dζ …

    Progress of Theoretical Physics 74(3), p567-575, 1985-09

    DOI 

  • The Perturbative QCD and the e+e- Single Particle Inclusive Reaction

    Kiyoshi KATO , Tomo MUNEHISA , Hidehiko OKADA , Yoshimitsu SHIMIZU , Department of Physics Kogakuin University , National Laboratory for High Energy Physics , Department of Physics Tokyo Institute of Technology , Department of Physics University of Tokyo

    The recently observed scale breaking in e^+e^- single particle inclusive reaction reported by TASSO and MARK II is analysed by the perturbative QCD in the two loop approximation. The effect of finite …

    Progress of Theoretical Physics 70(3), p840-852, 1983-09

    DOI 

  • New Parametrization for Q2-Dependent Parton Distribution Function-2-Kernel Formalism and Data Analyses of Deep Inelastic Scatterings

    Kiyoshi KATO , Yoshimitsu SHIMIZU , Institute for Cosmic Ray Research University of Tokyo , Department of Physics University of Tokyo

    Formalism of kernel function method for Q^2 -dependent parton distribution functions is described in the leading logarithmic approximation of QCD. By the use of this, experimental data are analysed po …

    Progress of Theoretical Physics 68(3), p862-882, 1982-09

    DOI 

  • A New Mothod to Calculate Anomalous Dimensions in Renormalizable Field Theory

    Masanori OKAWA , Yoshimitsu SHIMIZU , Department of Physics University of Tokyo , Department of Physics University of Tokyo

    A new method to calculate the vertex functions of Wilson Operators in renormalizable field theory is presented. By this we construct a general formalism to obtain the anomalous dimension in φ_6^8-theo …

    Progress of Theoretical Physics 64(5), p1772-1785, 1980-11

    DOI 

  • New Parametrizations for Q2-Dependent Parton Distribution Functions-1-

    Kiyoshi KATO , Yoshimitsu SHIMIZU , Hiroaki YAMAMOTO , Department of Physics University of Tokyo , Department of Physics University of Tokyo , Department of Physics University of Tokyo

    The Q^2-dependent distribution functions of partons in the nucleon are studied based on QCD. We present two kinds of parametrization for these functions. The first method is to minimize the difference …

    Progress of Theoretical Physics 63(4), p1295-1310, 1980-04

    DOI 

  • Effect of Regge Cut in Asymptotically Free Field Theory

    Masanori OKAWA , Yoshimitsu SHIMIZU , Department of Physics University of Tokyo , Department of Physics University of Tokyo

    Taking φ_6^3 theory as an example and calculating the anomalous dimension γ_n(g) in the ladder approximation, we show that the QCD-like correction to the structure function drastically changes from it …

    Progress of theoretical physics = Progress of theoretical physics 63(2), 738-742, 1980-02-25

    DOI 

  • Closed Vortex Line Solutions in the Nielsen-Olesen Model

    Yoshimitsu SHIMIZU , Department of Physics University of Tokyo

    Progress of theoretical physics = Progress of theoretical physics 55(5), 1679-1680, 1976-05-25

    DOI 

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