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NSR database version of April 27, 2024.

Search: Author = O.Morimatsu

Found 19 matches.

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2021YA12      Phys.Rev. C 103, 045201 (2021)

W.A.Yamada, O.Morimatsu

Application of the uniformized Mittag-Leffler expansion to Λ(1405)

NUCLEAR REACTIONS ¹H(γ, Κ⁺πΣ), ¹H(Κ^-, pΚ^-), (Κ^-, pΚ^-'), E=1.95-2.85 GeV; analyzed experimental data from CLAS collaboration for the invariant-mass distributions of π⁺Σ^-, π^-Σ⁺ and π⁰Σ⁰ final states in (γ, K⁺πΣ) reaction, and invariant-mass distributions of π⁺Σ^-, π^-Σ⁺ and anti-Κ⁰n in the elastic and inelastic channels of (Κ^-, pΚ^-) reaction; deduced resonant energy, width and residues of Λ(1405) resonance, and pole properties of Λ(1405) in a model-independent method using the uniformized Mittag-Leffler expansion.

doi: 10.1103/PhysRevC.103.045201
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2020YA26      Phys.Rev. C 102, 055201 (2020)

W.Yamada, O.Morimatsu

New method to extract information of near-threshold resonances: Uniformized Mittag-Leffler expansion of Green's function and T matrix

doi: 10.1103/PhysRevC.102.055201
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2019MO30      Phys.Rev. C 100, 025201 (2019)

O.Morimatsu, K.Yamada

Renormalization of the unitarized Weinberg-Tomozawa interaction without on-shell factorization and I = 0 K(bar) N-πΣ coupled channels

doi: 10.1103/PhysRevC.100.025201
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2018KO17      Phys.Rev. C 97, 064001 (2018)

A.Konishi, O.Morimatsu, S.Yasui

Degenerate two-body and three-body coupled-channels systems: Renormalized effective Alt-Grassberger-Sandhas equations and near-threshold resonances

doi: 10.1103/PhysRevC.97.064001
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2006KO05      Nucl.Phys. A764, 303 (2006)

Y.Kondo, O.Morimatsu, T.Nishikawa

Coupled QCD sum rules for positive and negative-parity nucleons

doi: 10.1016/j.nuclphysa.2005.09.003
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2005KA15      Phys.Rev. C 71, 045202 (2005)

Y.Kanada-Enyo, O.Morimatsu, T.Nishikawa

Narrow J^π = 1/2⁺, 3/2⁺, and 3/2^- states of Θ⁺ in a quark model with antisymmetrized molecular dynamics

doi: 10.1103/PhysRevC.71.045202
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2004IW01      Phys.Lett. B 579, 347 (2004)

A.Iwazaki, O.Morimatsu, T.Nishikawa, M.Ohtani

Color ferromagnetism of quark matter and quantum Hall states of gluons in SU(3) gauge theory

doi: 10.1016/j.physletb.2003.10.116
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2004KO31      Phys.Rev. C 69, 055201 (2004)

Y.Kondo, O.Morimatsu

QCD sum rules for hyperon-nucleon interactions

doi: 10.1103/PhysRevC.69.055201
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2004NI20      Prog.Theor.Phys.(Kyoto), Suppl. 156, 178 (2004)

T.Nishikawa, A.Iwazaki, O.Morimatsu, M.Ohtani

Color Ferromagnetic States and Quantum Hall States of Gluons in Quark Matter

doi: 10.1143/PTPS.156.178
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2003KO15      Nucl.Phys. A717, 55 (2003)

Y.Kondo, O.Morimatsu

A projected correlation function approach to the πNN coupling constant in QCD sum rules

doi: 10.1016/S0375-9474(03)00612-2
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2003KO60      Nucl.Phys. A721, 597c (2003)

Y.Kondo, O.Morimatsu

A model-independent study of the QCD sum rule for the pion-nucleon coupling constant and a projected correlation function approach

doi: 10.1016/S0375-9474(03)01131-X
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2002KO44      Phys.Rev. C66, 028201 (2002)

Y.Kondo, O.Morimatsu

Model-independent study of the QCD sum rule for the πNN coupling constant

doi: 10.1103/PhysRevC.66.028201
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2000KO25      Nucl.Phys. A670, 311c (2000)

Y.Kondo, O.Morimatsu

QCD Sum Rules for Nucleon-Nucleon and Hyperon-Nucleon Interactions

doi: 10.1016/S0375-9474(00)00120-2
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1998KO48      Prog.Theor.Phys.(Kyoto) 100, 1 (1998)

Y.Kondo, O.Morimatsu

QCD Sum Rules for Nucleon-Nucleon Interactions

doi: 10.1143/PTP.100.1
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1996KO05      Phys.Rev. C53, 1927 (1996)

Y.Kondo, O.Morimatsu, Y.Nishino

Pion-Nucleon and Kaon-Nucleon Scattering Lengths in QCD Sum Rules

doi: 10.1103/PhysRevC.53.1927
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1988MO14      Nucl.Phys. A483, 493 (1988)

O.Morimatsu, K.Yazaki

A Study on the Formation of Σ-Hypernuclei by (K(pol), π) Reaction

NUCLEAR REACTIONS ¹²C(polarized K^-, π⁺), E at rest; calculated Σ threshold strength functions.

doi: 10.1016/0375-9474(88)90081-4
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1988YA05      Phys.Lett. 207B, 393 (1988)

T.Yamazaki, R.S.Hayano, O.Morimatsu, K.Yazaki

Coulomb-Assisted Hybrid Bound States of Σ^- in Medium Nuclei Populated by K^- Absorption at Rest

NUCLEAR REACTIONS ²⁸Si(K^-, π⁺), E at rest; calculated pion spectra.

doi: 10.1016/0370-2693(88)90671-5
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1984MO11      Nucl.Phys. A420, 573 (1984)

O.Morimatsu, S.Ohta, K.Shimizu, K.Yazaki

Baryon-Baryon Spin-Orbit Interaction in a Quark Model

NUCLEAR REACTIONS ⁵⁶Fe, ^58,60Ni, ⁵⁹Co, Cu, ¹²⁰Sn, ²⁰⁸Pb, ⁴⁰Ca(p, p), E=30 MeV; ¹⁶O, ⁴⁰Ca(K^-, π^-), E not given; analyzed data; deduced baryon-nucleus spin-orbit interaction parameters. Nonrelativistic quark cluster model.

doi: 10.1016/0375-9474(84)90672-9
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1984MO19      Nucl.Phys. A424, 412 (1984)

O.Morimatsu, K.Yazaki, M.Oka

RGM Calculation of the NN Spin-Orbit Interaction in a Quark Model

NUCLEAR REACTIONS ¹H(p, p), (n, p), E(cm)=0-200 MeV; calculated ³P phase shifts vs E. Quark cluster model, effective meson exchange potential.

doi: 10.1016/0375-9474(84)90002-2
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