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NSR database version of May 21, 2024.

Search: Author = M.Wakamatsu

Found 36 matches.

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2022WA25      Eur.Phys.J. A 58, 121 (2022)

M.Wakamatsu, A.Hayashi

Physical symmetries and gauge choices in the Landau problem

doi: 10.1140/epja/s10050-022-00770-2
Citations: PlumX Metrics


2019WA23      Eur.Phys.J. A 55, 123 (2019)

M.Wakamatsu

A still unsettled issue in the nucleon spin decomposition problem: On the role of surface terms and gluon topology

doi: 10.1140/epja/i2019-12800-9
Citations: PlumX Metrics


2015WA16      Eur.Phys.J. A 51, 52 (2015)

M.Wakamatsu

On the two remaning issues in the gauge-invariant decomposition problem of the nucleon spin

NUCLEAR STRUCTURE 1n, 1H; calculated gauge-invariant complete decomposition of nucleon spin with consideration of spin and orbital angular momentum of components.

doi: 10.1140/epja/i2015-15052-9
Citations: PlumX Metrics


2010WA32      Eur.Phys.J. A 44, 297 (2010); Reply Eur.Phys.J. A 46, 327 (2010)

M.Wakamatsu

The role of the orbital angular momentum in the proton spin

doi: 10.1140/epja/i2010-10954-6
Citations: PlumX Metrics


2009HI03      Phys.Lett. B 674, 17 (2009)

K.Hirose, M.Ejima, T.Fujibayashi, Y.Fujii, K.Futatsukawa, O.Hashimoto, T.Ishikawa, S.Kameoka, H.Kanda, F.Kato, S.Kinoshita, T.Kinoshita, T.Kon, O.Konno, K.Maeda, A.Matsumura, Y.Miura, F.Miyahara, H.Miyase, T.Nakabayashi, S.N.Nakamura, H.Nomura, K.Nonaka, A.Ohtani, Y.Okayasu, M.Oyamada, A.Sasaki, H.Shimizu, T.Takahashi, T.Tamae, H.Tamura, T.Terasawa, H.Tsubota, K.Tsukada, D.Uchida, M.Ukai, M.Wakamatsu, T.Watanabe, H.Yamauchi, H.Yamazaki, K.Yawata

Study of double pion photoproduction on the deuteron

doi: 10.1016/j.physletb.2009.02.036
Citations: PlumX Metrics


2008TS04      Phys.Rev. C 78, 014001 (2008); Erratum Phys.Rev. C 83, 039904 (2011)

K.Tsukada, T.Takahashi, T.Watanabe, Y.Fujii, K.Futatsukawa, O.Hashimoto, K.Hirose, K.Ito, S.Kameoka, H.Kanda, K.Maeda, A.Matsumura, Y.Miura, H.Miyase, S.N.Nakamura, H.Nomura, K.Nonaka, T.Osaka, Y.Okayasu, H.Tamura, H.Tsubota, M.Ukai, H.Yamauchi, M.Wakamatsu, T.Ishikawa, T.Kinoshita, F.Miyahara, T.Nakabayashi, H.Shimizu, T.Tamae, H.Yamazaki, A.Sasaki, O.Konno, P.Bydzovsky, M.Sotona

Photoproduction of neutral kaons on a liquid deuterium target in the threshold region

NUCLEAR REACTIONS 2H(γ, K0), E=0.8-1.1 GeV; measured mass spectra, momentum distributions, σ.

doi: 10.1103/PhysRevC.78.014001
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2113.


2007WA11      Phys.Lett. B 646, 24 (2007)

M.Wakamatsu

On the COMPASS measurement of the deuteron spin-dependent structure function gd1

NUCLEAR STRUCTURE 2H; calculated spin-dependent structure function gd1(x), polarized strange quark distribution. Chiral quark soliton model. Comparison with data.

doi: 10.1016/j.physletb.2006.12.073
Citations: PlumX Metrics


2007WA19      Phys.Lett. B 648, 181 (2007)

M.Wakamatsu

On the D-term of the nucleon generalized parton distributions

doi: 10.1016/j.physletb.2007.03.013
Citations: PlumX Metrics


2007WA31      Phys.Lett. B 651, 269 (2007)

T.Watanabe, P.Bydzovsky, K.Dobashi, S.Endo, Y.Fujii, O.Hashimoto, T.Ishikawa, K.Itoh, H.Kanda, M.Katoh, T.Kinoshita, O.Konno, K.Maeda, A.Matsumura, F.Miyahara, H.Miyase, T.Miyoshi, K.Mizunuma, Y.Miura, S.N.Nakamura, H.Nomura, Y.Okayasu, T.Osaka, M.Oyamada, A.Sasaki, T.Satoh, H.Shimizu, M.Sotona, T.Takahashi, T.Tamae, H.Tamura, T.Terasawa, H.Tsubota, K.Tsukada, M.Ukai, M.Wakamatsu, H.Yamauchi, H.Yamazaki

Photo-production of neutral kaons on 12C in the threshold region

doi: 10.1016/j.physletb.2007.06.033
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2064.


2007WA33      Phys.Lett. B 653, 398 (2007)

M.Wakamatsu

Comparative analysis of the transversities and the longitudinally polarized distribution functions of the nucleon

doi: 10.1016/j.physletb.2007.08.013
Citations: PlumX Metrics


2005OH06      Nucl.Phys. A755, 341c (2005)

Y.Ohnishi, M.Wakamatsu

Chiral-odd twist-3 e(x) of the nucleon

doi: 10.1016/j.nuclphysa.2005.03.035
Citations: PlumX Metrics


2005WA09      Phys.Rev. D 71, 057504 (2005)

M.Wakamatsu

On the NuTeV anomaly and the asymmetry of the strange sea in the nucleon

doi: 10.1103/PhysRevD.71.057504
Citations: PlumX Metrics


2005WA11      Phys.Rev. D 71, 074001 (2005)

M.Wakamatsu, H.Tsujimoto

Generalized parton distribution functions and the nucleon spin sum rules in the chiral quark soliton model

NUCLEAR STRUCTURE 1n, 1H; calculated forward limit of spin-flip isovector generalized parton distribution functions. Chiral quark soliton model.

doi: 10.1103/PhysRevD.71.074001
Citations: PlumX Metrics


2005WA19      Nucl.Phys. A754, 327c (2005)

T.Watanabe, S.Endo, Y.Fujii, O.Hashimoto, K.Hirose, T.Ishikawa, K.Ito, H.Kanda, M.Katoh, T.Kinoshita, O.Konno, K.Maeda, A.Matsumura, Y.Miura, F.Miyahara, H.Miyase, K.Mizunuma, T.Nakabayashi, S.N.Nakamura, H.Nomura, Y.Okayasu, T.Osaka, A.Otani, M.Oyamada, A.Sasaki, T.Sato, H.Shimizu, T.Takahashi, T.Tamae, H.Tamura, T.Terasawa, H.Tsubota, K.Tsukada, M.Ukai, M.Utoyama, M.Wakamatsu, H.Yamauchi, Y.Yamaguchi, Y.Yamamoto, H.Yamazaki

K0 photoproduction on 12C in the threshold region

NUCLEAR REACTIONS 12C(γ, K0X), E=0.8-1.1 GeV; measured hyperon production associated invariant mass spectra, kaon production σ.

doi: 10.1016/j.nuclphysa.2005.02.157
Citations: PlumX Metrics


2005WA33      Phys.Rev. D 72, 074006 (2005)

M.Wakamatsu

Moments of generalized parton distribution functions and the nucleon spin contents

NUCLEAR STRUCTURE A=1; analyzed data; deduced contribution of quark orbital angular momentum to nucleon spin.

doi: 10.1103/PhysRevD.72.074006
Citations: PlumX Metrics


2003TA32      Nucl.Phys. A721, 991c (2003)

T.Takahashi, Y.Fujii, O.Hashimoto, K.Itoh, H.Kanda, M.Katoh, T.Kinoshita, O.Konno, K.Maeda, H.Miyase, K.Mizunuma, S.N.Nakamura, T.Osaka, A.Sasaki, T.Tamae, H.Tamura, T.Terasawa, H.Tsuboda, K.Tsukada, M.Ukai, M.Wakamatsu, T.Watanabe, H.Yamazaki, and the NKS Collaboration

Photoproduction of Neutral Kaons on C in the Threshold Region

NUCLEAR REACTIONS 12C(γ, K0), E=0.8-1.1 GeV; measured missing mass spectrum.

doi: 10.1016/S0375-9474(03)01267-3
Citations: PlumX Metrics


2003WA26      Nucl.Phys. A721, 376c (2003)

M.Wakamatsu

Quark-antiquark asymmetry of the nucleon strange sea

doi: 10.1016/S0375-9474(03)01073-X
Citations: PlumX Metrics


2000WA25      Phys.Lett. 487B, 118 (2000)

M.Wakamatsu

Polarized Structure Function g2(x) in the Chiral Quark Soliton Model

NUCLEAR STRUCTURE 1H; calculated polarized structure function g2(x, Q2). Chiral quark soliton model.

doi: 10.1016/S0370-2693(00)00790-5
Citations: PlumX Metrics


2000WA26      Phys.Rev. D62, 054009 (2000)

M.Wakamatsu, T.Watabe

Spin and Orbital Angular Momentum Distribution Functions of the Nucleon

NUCLEAR STRUCTURE 1n, 1H; calculated spin and orbital angular momentum distribution functions. Chiral quark soliton model.

doi: 10.1103/PhysRevD.62.054009
Citations: PlumX Metrics


1998WA11      Phys.Rev. D57, 5755 (1998)

M.Wakamatsu, T.Kubota

Chiral Symmetry and the Nucleon Structure Functions

doi: 10.1103/PhysRevD.57.5755
Citations: PlumX Metrics


1996OH05      Nucl.Instrum.Methods Phys.Res. A380, 76 (1996)

K.Ohba, A.Mito, M.Wakamatsu, S.Ito, T.Shoji, Y.Hiratate

Irradiation Effects on Au-Si Nuclear Detectors by 10 MeV α-Particles

RADIOACTIVITY 241Am(α); measured reverse current, capacitance, counting response to α-rays; deduced detectors irradiation, annealing effects related features. Irradiation of Au-Si detectors by 10 MeV α particles.

doi: 10.1016/S0168-9002(96)00374-9
Citations: PlumX Metrics


1996WA28      Prog.Theor.Phys.(Kyoto) 95, 767 (1996)

M.Wakamatsu, N.Kaya

Magnetic Moments of Octet and Decuplet Baryons in the SU(3) Chiral Quark Soliton Model

NUCLEAR STRUCTURE 1n, 1H; calculated μ. Flavor SU(3), chiral quark soliton model.

doi: 10.1143/PTP.95.767
Citations: PlumX Metrics


1995WA13      Phys.Lett. 349B, 204 (1995)

M.Wakamatsu

On the Origin of the g(A) problem in the Skyrme model

doi: 10.1016/0370-2693(95)00206-Z
Citations: PlumX Metrics


1994CH25      Phys.Lett. 325B, 467 (1994)

Chr.V.Christov, A.Blotz, K.Goeke, P.Pobilitsa, V.Petrov, M.Wakamatsu, T.Watabe

1/N(c) Rotational Corrections to g(A) and Isovector Magnetic Moment of the Nucleon

doi: 10.1016/0370-2693(94)90041-8
Citations: PlumX Metrics


1994WA25      Nucl.Phys. A577, 335c (1994)

M.Wakamatsu

Spin-Flavor Structure of the Nucleon in the Chiral Quark Soliton Model

NUCLEAR STRUCTURE 1H; analyzed spin content; deduced spin-flavor structure features.

doi: 10.1016/0375-9474(94)90877-X
Citations: PlumX Metrics


1991WA08      Nucl.Phys. A524, 561 (1991)

M.Wakamatsu, H.Yoshiki

A Chiral Quark Model of the Nucleon

NUCLEAR STRUCTURE 1H; calculated spin content. Chiral quark model.

doi: 10.1016/0375-9474(91)90263-6
Citations: PlumX Metrics


1986YA03      Phys.Lett. 172B, 161 (1986)

Y.Yamauchi, M.Wakamatsu

A Dynamical Model for the Six-Quark Admixture in the Deuteron State

NUCLEAR STRUCTURE 2H; calculated binding energy, D-state probability, μ, quadrupole moment. Dynamic model, six quark admixture.

doi: 10.1016/0370-2693(86)90828-2
Citations: PlumX Metrics


1986YA08      Nucl.Phys. A457, 621 (1986)

Y.Yamauchi, M.Wakamatsu

A Dynamical Model for the Six-Quark Admixture in the Deuteron State

NUCLEAR STRUCTURE 2H; calculated quadrupole, magnetic, charge form factors. 2H deduced six-quark configuration mixing probability.

doi: 10.1016/0375-9474(86)90471-9
Citations: PlumX Metrics


1985YA12      Nucl.Phys. A443, 628 (1985)

Y.Yamauchi, R.Yamamoto, M.Wakamatsu

A Hybrid Model Approach to the Meson and Quark Theory of Nuclear Forces and Currents

NUCLEAR STRUCTURE 2H; calculated electromagnetic form factors. Hybrid model.

doi: 10.1016/0375-9474(85)90217-9
Citations: PlumX Metrics


1984WA15      Phys.Lett. 146B, 148 (1984)

M.Wakamatsu, R.Yamamoto, Y.Yamauchi

A Hybrid-Model Approach to the Meson-and Quark-Theory of Nuclear Forces

NUCLEAR STRUCTURE 2H; calculated low energy parameters. Hybrid quark-baryon model.

NUCLEAR REACTIONS 1n(p, p), E ≈ 25-300 MeV; calculated 1S0, 3S1, 3D1 phase shifts. Hybrid quark-baryon model.

doi: 10.1016/0370-2693(84)91006-2
Citations: PlumX Metrics


1984YA07      Phys.Lett. 146B, 153 (1984)

Y.Yamauchi, R.Yamamoto, M.Wakamatsu

A Hybrid Quark-Baryon Model for the Nuclear Electromagnetic Current

NUCLEAR REACTIONS 2H(e, e'), E not given; calculated threshold electrodisintegration σ(θ(e'), E(e')). Quark cluster model.

NUCLEAR STRUCTURE 2H; calculated S-, D-state probabilities, μ, quadrupole moment, charge, magnetic form factors. Quark cluster model.

doi: 10.1016/0370-2693(84)91007-4
Citations: PlumX Metrics


1983WA02      Nucl.Phys. A392, 323 (1983)

M.Wakamatsu, K.Matsumoto

Effect of the Virtual Pion on Photon-Induced Nuclear Reactions

NUCLEAR REACTIONS 9Be(γ, pX), E=320 MeV; 12C(γ, pX), E=357, 397, 380 MeV; calculated σ(θ, Ep), nucleon pair production σ ratio. Virtual pion effects.

doi: 10.1016/0375-9474(83)90129-X
Citations: PlumX Metrics


1980WA09      Nucl.Phys. A340, 289 (1980)

M.Wakamatsu

Elastic and Charge Exchange Scattering of Pions from 3He

NUCLEAR REACTIONS 3He(π-, π-), (π-, π0), E=98-290 MeV; calculated σ(θ). Optical potential, momentum representation.

doi: 10.1016/0375-9474(80)90276-6
Citations: PlumX Metrics


1979WA14      Nucl.Phys. A329, 381 (1979)

M.Wakamatsu

Reaction Matrix Calculation of 4He Including Δ Degrees of Freedom

NUCLEAR STRUCTURE 4He; binding energy. Reaction-matrix theory, two-, three-body cluster energies, isobar configurations.

doi: 10.1016/0375-9474(79)90383-X
Citations: PlumX Metrics


1978WA13      Nucl.Phys. A312, 427 (1978)

M.Wakamatsu

Improved Optical Potential for Low and Medium Energy π--4He Elastic Scattering

NUCLEAR REACTIONS 4He(π-, π-), E=51-220 MeV; calculated σ(θ) using second order correction to multiple scattering theory, nucleon binding energy corrections to optical model.

doi: 10.1016/0375-9474(78)90602-4
Citations: PlumX Metrics


1976OH01      Progr.Theor.Phys. 55, 131 (1976)

K.Ohta, M.Wakamatsu

Nucleon Recoil Current in the Nuclear Weak and Electromagnetic Interactions

NUCLEAR STRUCTURE 3H, 3He; calculated Gamow-Teller matrix elements.

doi: 10.1143/PTP.55.131
Citations: PlumX Metrics


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