Sawada Shoji SAWADA Shoji

Articles:  1-20 of 25

  • 1 / 2
  • P-Wave Charmed Mesons

    NAKASHIMA Katsuo , ITO Toshiaki , MATSUI Yoshimitsu , SAWADA Shoji , SUZUKI Tsuyoshi B. , 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 study the P-wavc charmed meson spectroscopy. We analyze the mixing of two 1^+ states, the masses and decay widths of the P-wave charmed mesons by use of the Breit-Fermi Hamiltonian to accoun for th …

    Progress of Theoretical Physics 95(3), 599-607, 1996-03-25

    J-STAGE  References (14)

  • The F/D Ratios of Spin-Flip Baryon Vertex in 1/N_C Expansion

    TAKAMURA Akira , SAWADA Shoji , KITAKADO Shinsaku , Department of Physics Nagoya University , Department of Physics Nagoya University , Department of Physics Nagoya University

    We calculate the F/D ratios of spin 1/2 baryon vertex for both the non-relativistic quark model and the chiral soliton model with arbitrary number of color degrees of freedom N_c and examine the resul …

    Progress of Theoretical Physics 93(4), 771-780, 1995-04-25

    J-STAGE  References (14)

  • Semileptonic Decays of B Meson into Charmed Higher Resonances in the Heavy Quark Effective Theory

    Tsuyoshi B. SUZUKI , Toshiaki ITO , Shoji SAWADA , Masahisa MATSUDA , Department of Physics Nagoya University , Department of Physics Nagoya University , Department of Physics Nagoya University , Department of Physics and Astronomy Aichi University of Education

    Heavy quark effective theory is applied to semileptonic decays of B mesons into charmed higher resonances D_x, where subscript X denotes various spin-parity states of resonances. We calculate the diff …

    Progress of Theoretical Physics 91(4), p757-774, 1994-04

    DOI 

  • Phase Structure of a Quantized Chiral Soliton on S3

    Akizo KOBAYASHI , Shoji SAWADA , Faculty of Education Niigata University , Department of Physics Nagoya University

    A quantization of a breathing motion of a rotating chiral soliton on S^3 is performed in terms of a family of trial functions for a profile function of the hedgehog ansatz. We determine eigenenergies …

    Progress of Theoretical Physics 90(5), p1075-1090, 1993-11

    DOI 

  • Stability of Chiral Solitons (Chiral Solitons and Nucleons)

    KOBAYASHI Akizo , OTSU Hideharu , SATO Toshiro , SAWADA Shoji

    We review studies on the stability of various chiral solitons both in the classical and quantum levels with and without the Skyrme term as the stabilizer. The effects of the couplings with the vector …

    Progress of theoretical physics (suppl 109), p19-44, 1992-09

    DOI  NDL Digital Collections 

  • Stability of Quantized Chiral Soliton Coupled with the ρ Meson

    Keyan YANG , Shoji SAWADA , Akizo KOBAYASHI , Department of Physics Nagoya University , Department of Physics Nagoya University , Faculty of Education Niigata University

    Stability of the chiral soliton coupled with the ρ meson which is quantized by taking breathing modes into account in addition to the spin-isospin rotational modes is examined on the basis of families …

    Progress of Theoretical Physics 87(2), p457-467, 1992-02

    DOI 

  • Four-Phase Structure of ρ Meson Coupled Skyrmions on S3

    Hiroshi IMAI , Akizo KOBAYASHI , Hideharu OTSU , Shoji SAWADA , Department of Physics Niigata University , Faculty of Education Niigata University , Ishikawa Polytechnic College , Department of Physics Nagoya University

    Skyrmion configurations with the baryon number B=1, 2 and 3 of the π-p system, stabilized by fourth-order derivative terms, are studied in a curved space S^3 and in a flat space R^3. Adopting an axial …

    Progress of Theoretical Physics 85(3), p615-629, 1991-03

    DOI 

  • Multi-Skyrmion with ρ and ω Mesons

    Hiroshi IMAI , Akizo KOBAYASHI , Hideharu OTSU , Shoji SAWADA , Department of Physics Niigata University , Faculty of Education Niigata University , Department of Physics Nagoya University , Department of Physics Nagoya University

    Axially symmetric multi-skyrmions for a π-ρ-ω system are studied by use of the spherical coordinates and the cylindrical coordinates i.e., the "twisted skyrmion" and the "periodic skyrmion". In both c …

    Progress of Theoretical Physics 82(1), p141-152, 1989-07

    DOI 

  • On the Chiral Soliton Model with ρ Mesons

    Yuji IGARASHI , Akizo KOBAYASHI , Hideharu OTSU , Shoji SAWADA , Laboratory of Physics Faculty of Education Niigata University , Department of Physics Brandeis University , Department of Physics Nagoya University , Department of Physics Nagoya University

    A chiral soliton model coupled with the ρ mesons is re-examined by including fourth-order derivative terms needed to stabilize solitons. There appear six such terms in the approach based on the hidden …

    Progress of Theoretical Physics 78(2), p358-369, 1987-08

    DOI 

  • Vector and Axial-Vector Mesons in the Skyrme Model

    Hideharu OTSU , Yuji IGARASHI , Akizo KOBAYASHI , Toshiro SATO , Shoji SAWADA , Department of Physics Nagoya University , Laboratory of Physics Faculty of Education Niigata University , Laboratory of Physics Faculty of Education Niigata University , Department of Physics Nagoya University , Department of Physics Nagoya University

    An extension of the Skyrme model is made to include pions, ρ and A_1 mesons. The vector and axial-vector mesons are considered as the dynamical gauge bosons of a hidden local SU(2)_L × SU(2)_R symmetr …

    Progress of Theoretical Physics 74(4), p782-790, 1985-10

    DOI 

  • An Effective Lagrangian for Pions,ρ Mesons and Skyrmions

    FUJIWARA T. , Yuji IGARASHI , Akizo KOBAYASHI , Hideharu OTSU , Toshiro SATO , Shoji SAWADA , Department of Physics Nagoya University , Laboratory of Physics Faculty of Education Niigata University , Laboratory of Physics Faculty of Education Niigata University , Department of Physics Nagoya University , Department of Physics Nagoya University , Department of Physics Nagoya University

    An effective lagrangian is constructed for the system of pions, ρ mesons and skyrmions in the light of a hidden local SU(2) symmetry in a non-1inear sigma model. It describes vector dominance relation …

    Progress of Theoretical Physics 74(1), p128-132, 1985-07

    DOI  Cited by (2)

  • Baryon Magnetic Moments in the Quark Model and Pion Cloud Contributions

    Toshiro SATO , Shoji SAWADA , Department of Physics Nagoya University , Department of Physics Nagoya University

    Baryon magnetic moment is studied paying attention to the effects of pion cloud which is surrounding the 'bare' baryon whose magnetic moment is given by the quark model with broken SU(6) symmetry. The …

    Progress of Theoretical Physics 66(5), p1713-1728, 1981-11

    DOI 

  • Masses of Charmed Baryons and F/D Ratio

    Shoji SAWADA , Department of Physics Nagoya University

    Masses of charmed baryons are discussed in connection with the doubly charged particle Y^<++> which has been recently observed in the neutrino-nucleus collision. If the Y^<++> is assumed t …

    Progress of Theoretical Physics 63(2), p572-579, 1980-02

    DOI 

  • Masses of New Mesons and Effects of the Fifth Flavour

    Shoji SAWADA , Department of Physics Nagoya University

    Masses of new mesons are studied in terms of a mass formula which is a hybrid of the linear and quadratic form. A universal character of the formula which was observed in the baryon multiplets is exam …

    Progress of Theoretical Physics 59(2), p491-499, 1978-02

    DOI 

  • Constituent Rearrangement Model and Hadron Reactions

    Yuji IGARASHI , Masahiro IMACHI , Takeo MATSUOKA , Kansuke NINOMIYA , Shoichiro OTSUKI , Shoji SAWADA , Fumihiko TOYODA , Research Institute for Fundamental Physics Kyoto University , Department of Physics Kyushu University , Department of Physics Nagoya University , Japan University of Social Welfare , Department of Physics Kyushu University , Department of Physics Nagoya University , The Second Department Kinki University

    Progress of theoretical physics (suppl 63), p49-279, 1978

    DOI 

  • Transverse Momentum in the Multiple Production Processes and Urbaryon Rearrangement Model

    Yuji IGARASHI , Takeo MATSUOKA , Shoji SAWADA , Department of Physics Nagoya University , Department of Physics Nagoya University , Department of Physics Nagoya University

    Several characteristic features of p_T distribution are studied on the basis of the multibody amplitude of urbaryon rearrangement model which is a generalization of the all-angle formula for two-body …

    Progress of Theoretical Physics 57(3), p953-967, 1977-03

    DOI 

  • Large pT Hadron Production and Urbaryon Rearrangement Model

    Yuji IGARASHI , Takeo MATSUOKA , Shoji SAWADA , Department of Physics Nagoya University , Department of Physics Nagoya University , Department of Physics Nagoya University

    On the basis of urbaryon rearrangement model in which hadronic reactions are caused by the rearrangement of constituent urbaryons, large p_T phenomena are studied. It is shown that large p_T two-jet p …

    Progress of Theoretical Physics 57(2), p499-516, 1977-02

    DOI 

  • A Refinement of the Okubo-Gell-Mann Mass Relations

    Shoji SAWADA , Department of Physics Nagoya University

    Progress of theoretical physics = Progress of theoretical physics 56(1), 344, 1976-07-25

    DOI 

  • Unified Description of Meson and Baryon Masses and the Charmed Particles

    Shoji SAWADA , Department of Physics Nagoya University

    A unified description of masses of mesons and baryons is proposed which is reduced to the quadratic and linear mass formula for very small and large hadron masses, respectively. Usual linear mass rela …

    Progress of Theoretical Physics 55(3), p818-831, 1976-03

    DOI 

  • Selection Rule of Strong Interactions and Decays of ψ-Particles

    Yuji IGARASHI , Kazuyoshi IZAWA , Akihiro NAKAMURA , Kansuke NINOMIYA , Shoji SAWADA , 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

    Progress of theoretical physics = Progress of theoretical physics 53(6), 1851-1852, 1975-06-25

    DOI 

  • 1 / 2
Page Top