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NSR database version of April 11, 2024.

Search: Author = R.Seki

Found 63 matches.

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2022AU03      Eur.Phys.J. A 58, 88 (2022)

T.Aumann, W.Bartmann, O.Boine-Frankenheim, A.Bouvard, A.Broche, F.Butin, D.Calvet, J.Carbonell, P.Chiggiato, H.De Gersem, R.De Oliveira, T.Dobers, F.Ehm, J.Ferreira Somoza, J.Fischer, M.Fraser, E.Friedrich, A.Frotscher, M.Gomez-Ramos, J.-L.Grenard, A.Hobl, G.Hupin, A.Husson, P.Indelicato, K.Johnston, C.Klink, Y.Kubota, R.Lazauskas, S.Malbrunot-Ettenauer, N.Marsic, W.F.O Muller, S.Naimi, N.Nakatsuka, R.Necca, D.Neidherr, G.Neyens, A.Obertelli, Y.Ono, S.Pasinelli, N.Paul, E.C.Pollacco, D.Rossi, H.Scheit, M.Schlaich, A.Schmidt, L.Schweikhard, R.Seki, S.Sels, E.Siesling, T.Uesaka, M.Vilen, M.Wada, F.Wienholtz, S.Wycech, S.Zacarias

PUMA, antiProton unstable matter annihilation

doi: 10.1140/epja/s10050-022-00713-x
Citations: PlumX Metrics


2009AB11      Phys.Rev. C 79, 054002 (2009)

T.Abe, R.Seki

Lattice calculation of thermal properties of low-density neutron matter with pionless NN effective field theory

doi: 10.1103/PhysRevC.79.054002
Citations: PlumX Metrics


2009AB12      Phys.Rev. C 79, 054003 (2009)

T.Abe, R.Seki

From low-density neutron matter to the unitary limit

doi: 10.1103/PhysRevC.79.054003
Citations: PlumX Metrics


2007HE13      Nucl.Instrum.Methods Phys.Res. B259, 629 (2007)

M.He, S.Jiang, Y.Nagashima, Y.Yang, T.Takahashi, K.Liu, K.Sasa, K.Dong, S.Wu, T.Matsuhiro, Y.Tosaki, X.Ren, R.Seki, K.Sueki

AMS measurement of 26Al cross section for the reaction 14N(16O, α)26Alg

NUCLEAR REACTIONS 14N(16O, α), E(cm)=7-12 MeV; measured cross section using accelerator mass spectrometry.

doi: 10.1016/j.nimb.2007.01.304
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0471.


2006BE11      Nucl.Phys. B(Proc.Supp.) S155, 254 (2006)

O.Benhar, N.Farina, H.Nakamura, M.Sakuda, R.Seki

Lepton-nucleus scattering in the impulse approximation regime

NUCLEAR REACTIONS 16O(e, e'), E=880 MeV; calculated σ(E, θ=32°). 16O(ν, eX), E=1 GeV; calculated σ(Q2), Pauli blocking effects.

doi: 10.1016/j.nuclphysbps.2006.02.111
Citations: PlumX Metrics


2006SE05      Phys.Rev. C 73, 044006 (2006)

R.Seki, U.van Kolck

Effective field theory of nucleon-nucleon scattering on large discrete lattices

doi: 10.1103/PhysRevC.73.044006
Citations: PlumX Metrics


2005BE40      Phys.Rev.Lett. 94, 212302 (2005)

G.Beer, A.M.Bragadireanu, M.Cargnelli, C.Curceanu Petrascu, J.-P.Egger, H.Fuhrmann, C.Guaraldo, M.Iliescu, T.Ishiwatari, K.Itahashi, M.Iwasaki, P.Kienle, T.Koike, B.Lauss, V.Lucherini, L.Ludhova, J.Marton, F.Mulhauser, T.Ponta, L.A.Schaller, R.Seki, D.L.Sirghi, F.Sirghi, J.Zmeskal, and the DEAR Collaboration

Measurement of the Kaonic Hydrogen X-Ray Spectrum

NUCLEAR REACTIONS 1H(K-, X), E at rest; measured X-ray spectrum from kaonic hydrogen.

ATOMIC PHYSICS 1H; measured X-ray spectrum from kaonic atom.

doi: 10.1103/PhysRevLett.94.212302
Citations: PlumX Metrics


2005HE24      Nucl.Instrum.Methods Phys.Res. B240, 612 (2005)

M.He, S.Jiang, Y.Nagashima, Y.Yang, T.Takahashi, K.Liu, K.Sasa, K.Dong, S.Wu, T.Matsuhiro, H.Tosaki, X.Ren, R.Seki, K.Sueki

Measurement of the cross-section of 14N(16O, α)26Al with AMS

NUCLEAR REACTIONS 14N(16O, α), E(cm)=6.6, 7.9, 9.5 MeV; measured σ. Accelerator mass spectrometry.

doi: 10.1016/j.nimb.2005.04.132
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1951.


2005NA03      Nucl.Phys. B(Proc.Supp.) S139, 201 (2005)

H.Nakamura, R.Seki, M.Sakuda

Comparison of electron-nucleus quasi-elastic cross sections using spectral functions with (e, e') data from 0.5 GeV to 1.5 GeV and effects on neutrino quasi-elastic cross sections

NUCLEAR REACTIONS 12C, 16O(e, e'), E=0.5-1.5 GeV; calculated quasi-elastic scattering and quasifree Δ production σ. 16O(ν, μ-), E=0.8, 2.0 GeV; calculated quasi-elastic σ(E). Comparisons with data.

doi: 10.1016/j.nuclphysbps.2004.11.212
Citations: PlumX Metrics


2005ZM01      Nucl.Phys. A754, 369c (2005)

J.Zmeskal, G.Beer, A.M.Bragadireanu, M.Cargnelli, C.Curceanu Petrascu, J.-P.Egger, H.Fuhrmann, C.Guaraldo, M.Iliescu, T.Ishiwatari, K.Itahashi, M.Iwasaki, P.Kienle, B.Lauss, V.Lucherini, L.Ludhova, J.Marton, F.Mulhauser, T.Ponta, L.A.Schaller, R.Seki, D.L.Sirghi, F.Sirghi

The DEAR experiment-first results on kaonic hydrogen

ATOMIC PHYSICS H, N(K-, X), E at rest; measured kaonic atoms transition energies.

doi: 10.1016/j.nuclphysa.2005.02.078
Citations: PlumX Metrics


2004AB14      Phys.Rev. C 70, 014315 (2004); Erratum Phys.Rev. C71, 059902 (2005)

T.Abe, R.Seki, A.N.Kocharian

Mean field calculation of thermal properties of simple nucleon matter on a lattice

doi: 10.1103/PhysRevC.70.014315
Citations: PlumX Metrics


2004GU03      Eur.Phys.J. A 19, Supplement 1, 185 (2004)

C.Guaraldo, G.Beer, A.M.Bragadireanu, M.Cargnelli, C.Curceanu Petrascu, J.-P.Egger, H.Fuhrman, M.Iliescu, T.Ishiwatari, K.Itahashi, M.Iwasaki, B.Lauss, V.Lucherini, L.Ludhova, J.Marton, F.Mulhauser, T.Ponta, L.A.Schaller, R.Seki, D.Sirghi, F.Sirghi, P.Strasser, J.Zmeskal

First results on kaonic hydrogen from the DEAR experiment

ATOMIC PHYSICS H, N(K-, X), E at rest; measured kaonic atoms transition energies.

doi: 10.1140/epjad/s2004-03-031-y
Citations: PlumX Metrics


2004IS11      Phys.Lett. B 593, 48 (2004)

T.Ishiwatari, G.Beer, A.M.Bragadireanu, M.Cargnelli, C.Curceanu Petrascu, J.-P.Egger, H.Fuhrmann, C.Guaraldo, P.Kienle, T.Koike, M.Iliescu, K.Itahashi, M.Iwasaki, B.Lauss, V.Lucherini, L.Ludhova, J.Marton, F.Mulhauser, T.Ponta, L.A.Schaller, R.Seki, D.L.Sirghi, F.Sirghi, P.Strasser, J.Zmeskal

Kaonic nitrogen X-ray transition yields in a gaseous target

ATOMIC PHYSICS, Mesic-atoms N(K+, X), E at rest; measured X-ray yields from kaonic nitrogen.

doi: 10.1016/j.physletb.2004.04.055
Citations: PlumX Metrics


2003KO67      J.Phys.Soc.Jpn. 72, 2766 (2003)

A.Kohama, R.Seki, A.Arima, S.Yamaji

Determination of Matter Surface Distribution of Neutron-rich Nuclei

NUCLEAR REACTIONS 58,78Ni(p, p), E=1.047 GeV; calculated σ(θ), sensitivity to matter density distribution.

doi: 10.1143/JPSJ.72.2766
Citations: PlumX Metrics


2002KO66      Prog.Theor.Phys.(Kyoto), Suppl. 146, 577 (2002)

A.Kohama, R.Seki, A.Arima, S.Yamaji

Model-Independent Determination of Surface Density Distribution of Unstable Nuclei at Radioactive Beam Facilities

NUCLEAR REACTIONS 78Ni(p, p), E=1.047 GeV; calculated σ(θ), dependence on surface density distribution.

doi: 10.1143/PTPS.146.577
Citations: PlumX Metrics


2002NA20      Phys.Rev. C66, 024902 (2002)

H.Nakamura, R.Seki

Negative binomial multiplicity distribution and interferometry based on a generating functional method

NUCLEAR REACTIONS Cu(O, X), Au(Si, X), Pb(S, X), (Pb, X), E=high; analyzed fragment multiplicities, correlations. Generating function for negative binomial distribution.

doi: 10.1103/PhysRevC.66.024902
Citations: PlumX Metrics


2002NA21      Phys.Rev. C66, 027901 (2002)

H.Nakamura, R.Seki

Coherent and chaotic generation of pions from relativistic heavy-ion collisions

NUCLEAR REACTIONS Pb(S, X), (Pb, X), E=high; analyzed pion correlations and multiplicity; deduced production mechanism features.

doi: 10.1103/PhysRevC.66.027901
Citations: PlumX Metrics


2002NA33      Nucl.Phys. B(Proc.Supp.) S112, 197 (2002)

H.Nakamura, R.Seki

Quasi-elastic Neutrino-Nucleus Scattering and Spectral Function

NUCLEAR REACTIONS 16O(ν, μ), E=0.5, 1, 5 GeV; 16O(ν, p), E=1, 2 GeV; calculated σ(E, θ=30°), Δ resonance effect. Realistic spectral function.

doi: 10.1016/S0920-5632(02)01771-1
Citations: PlumX Metrics


2001AU08      Nucl.Phys. A691, 278c (2001)

M.Augsburger, G.Beer, S.Bianco, A.M.Bragadireanu, M.Bregant, W.H.Breunlich, M.Cargnelli, D.Chatellard, C.Curceanu Petrascu, J.-P.Egger, F.L.Fabbri, B.Gartner, C.Guaraldo, R.S.Hayano, M.Iliescu, T.Ishiwatari, T.M.Ito, M.Iwasaki, R.King, P.Knowles, T.Koike, B.Lauss, V.Lucherini, J.Marton, E.Milotti, F.Mulhauser, S.N.Nakamura, T.Ponta, A.C.Sanderson, L.A.Schaller, L.Schellenberg, H.Schneuwly, R.Seki, D.Tomono, T.Yoneyama, E.Zavattini, J.Zmeskal, on behalf of the DEAR Collaboration

The DEAR Experiment on DAΦNE

doi: 10.1016/S0375-9474(01)01044-2
Citations: PlumX Metrics


2000KO02      Nucl.Phys. A662, 175 (2000)

A.Kohama, K.Yazaki, R.Seki

Correlation and Finite Interaction-Range Effects in High-Energy Electron Inclusive Scattering

doi: 10.1016/S0375-9474(99)00408-X
Citations: PlumX Metrics


2000KO21      Nucl.Phys. A663-664, 373c (2000)

A.Kohama, K.Yazaki, R.Seki

Correlation and Finite Interaction-Range Effects in High-Energy Electron Inclusive Scattering

doi: 10.1016/S0375-9474(99)00620-X
Citations: PlumX Metrics


2000KO24      Nucl.Phys. A670, 206c (2000)

A.Kohama, K.Yazaki, R.Seki

Correlation and Finite Interaction-Range Effects in High Energy Electron Inclusive Scattering

doi: 10.1016/S0375-9474(00)00100-7
Citations: PlumX Metrics


2000MU07      Phys.Rev. C61, 044320 (2000)

H.-M.Muller, S.E.Koonin, R.Seki, U.van Kolck

Nuclear Matter on a Lattice

doi: 10.1103/PhysRevC.61.044320
Citations: PlumX Metrics


2000NA11      Phys.Rev. C61, 054905 (2000)

H.Nakamura, R.Seki

Two- and Three-Pion Interferometry for a Nonchaotic Source in Relativistic Nuclear Collisions

doi: 10.1103/PhysRevC.61.054905
Citations: PlumX Metrics


2000NA33      Phys.Rev. C62, 054903 (2000)

H.Nakamura, R.Seki

Effects of Disoriented Chiral Condensates on Two- and Three-Pion Correlations of Relativistic Nuclear Collisions

doi: 10.1103/PhysRevC.62.054903
Citations: PlumX Metrics


2000SH17      Phys.Rev. C61, 054902 (2000)

T.D.Shoppa, S.E.Koonin, R.Seki

Effect of the Source Charge on Charged-Boson Interferometry

doi: 10.1103/PhysRevC.61.054902
Citations: PlumX Metrics


1999NA41      Phys.Rev. C60, 064904 (1999)

H.Nakamura, R.Seki

Three-Pion Interferometry of Relativistic Nuclear Collisions

doi: 10.1103/PhysRevC.60.064904
Citations: PlumX Metrics


1999NA46      Hyperfine Interactions 118, 45 (1999)

S.N.Nakamura, K.Bartlett, G.A.Beer, G.R.Gill, R.S.Hayano, T.M.Ito, M.Iwasaki, L.Lee, G.Mason, A.Olin, H.Outa, M.Salomon, R.Seki, T.Taniguchi, T.P.Terada, G.Trayling, Y.Yamashita, S.Yen

Observation of kaonic hydrogen atom X-ray

NUCLEAR REACTIONS 1H(K-, X), E at rest; measured kaonic hydrogen X-ray spectra; deduced strong-interaction energy shift, width.

ATOMIC PHYSICS, Mesic-Atoms 1H(K-, X), E at rest; measured kaonic hydrogen X-ray spectra; deduced strong-interaction energy shift, width.

doi: 10.1023/A:1012672100283
Citations: PlumX Metrics


1999PE25      Hyperfine Interactions 118, 53 (1999)

C.Petrascu, S.Bianco, A.M.Bragadireanu, F.L.Fabbri, C.Guaraldo, M.Iliescu, T.M.Ito, V.Lucherini, M.Bregant, E.Milotti, A.Vacchi, E.Zavattini, M.Augsburger, D.Chatellard, P.Knowles, F.Mulhauser, L.A.Schaller, L.Schellenberg, H.Schneuwly, J.-P.Egger, D.Varidel, W.H.Breunlich, M.Cargnelli, B.Gartner, R.King, B.Lauss, J.Marton, J.Zmeskal, T.Ponta, S.N.Nakamura, T.Koike, R.S.Hayano, M.Hori, T.Ishikawa, T.Ishiwatari, M.Iwasaki, Y.Akaishi, G.Beer, A.C.Sanderson, R.Seki

Disentangling the K-complex of kaonic hydrogen with DEAR

doi: 10.1023/A:1012624217122
Citations: PlumX Metrics


1998BI09      Acta Phys.Pol. B29, 2269 (1998)

S.Bianco, A.M.Bragadireanu, F.L.Fabbri, C.Guaraldo, M.Iliescu, T.M.Ito, V.Lucherini, C.Petrascu, M.Bregant, E.Milotti, A.Vacchi, E.Zavattini, M.Augsburger, D.Chatellard, P.Knowles, F.Mulhauser, L.A.Schaller, L.Schellenberg, H.Schneuwly, J.-P.Egger, D.Varidel, W.H.Breunlich, M.Cargnelli, B.Gartner, R.King, B.Lauss, J.Marton, J.Zmeskal, T.Ponta, S.N.Nakamura, T.Koike, R.S.Hayano, M.Hori, T.Ishikawa, T.Ishiwatari, M.Iwasaki, Y.Akaishi, G.Beer, A.C.Sanderson, R.Seki

Kaon-Nucleon Interaction Studied by Kaonic X Rays with DEAR at DAΦNE


1998IT03      Phys.Rev. C58, 2366 (1998)

T.M.Ito, R.S.Hayano, S.N.Nakamura, T.P.Terada, M.Iwasaki, D.R.Gill, L.Lee, A.Olin, M.Salomon, S.Yen, K.Bartlett, G.A.Beer, G.Mason, G.Trayling, H.Outa, T.Taniguchi, Y.Yamashita, R.Seki

Observation of Kaonic Hydrogen Atom X Rays

ATOMIC PHYSICS, Mesic-atoms 1H(K-, X), E at rest; measured X-ray spectra, pion spectra following K-p absorption; deduced kaonic hydrogen 1s state strong interaction shift, width.

doi: 10.1103/PhysRevC.58.2366
Citations: PlumX Metrics


1998IW03      Nucl.Phys. A639, 501c (1998)

M.Iwasaki, K.Bartlett, G.A.Beer, D.R.Gill, R.S.Hayano, T.M.Ito, L.Lee, G.Mason, S.N.Nakamura, A.Olin, H.Outa, M.Salomon, R.Seki, T.Taniguchi, T.P.Terada, G.Trayling, Y.Yamashita, S.Yen

Discovery of the Repulsive Energy Shift of the Kaonic Hydrogen 1s State

ATOMIC PHYSICS, Mesic-atoms 1H(K-, X), E at rest; measured X-ray spectrum; deduced energy shift.

doi: 10.1016/S0375-9474(98)00318-2
Citations: PlumX Metrics


1997IT01      Phys.Rev. C56, 3231 (1997)

H.Ito, S.E.Koonin, R.Seki

Spin-Polarization Response Functions in High-Energy (e(pol), e'p(pol)) Reactions

NUCLEAR REACTIONS 16O(polarized e, e'polarized p), E=high; calculated spin-polarization response functions, proton normal-component polarization.

doi: 10.1103/PhysRevC.56.3231
Citations: PlumX Metrics


1997IW01      Phys.Rev.Lett. 78, 3067 (1997)

M.Iwasaki, R.S.Hayano, T.M.Ito, S.N.Nakamura, T.P.Terada, D.R.Gill, L.Lee, A.Olin, M.Salomon, S.Yen, K.Bartlett, G.A.Beer, G.Mason, G.Trayling, H.Outa, T.Taniguchi, Y.Yamashita, R.Seki

Observation of Kaonic Hydrogen K(α) X Rays

NUCLEAR REACTIONS 1H(K-, X), E at rest; measured kaonic hydrogen X-rays; deduced (K-bar N) strong interaction energy shift, width.

ATOMIC PHYSICS, Mesic-Atoms 1H(K-, X), E at rest; measured kaonic hydrogen X-rays; deduced (K-bar N) strong interaction energy shift, width.

doi: 10.1103/PhysRevLett.78.3067
Citations: PlumX Metrics


1996NA30      Nucl.Instrum.Methods Phys.Res. A382, 321 (1996)

Y.Nagashima, R.Seki, T.Baba, N.Funaya, N.Miyazaki, T.Takahashi, T.Kaikura, T.Aoki, K.Furuno, O.Hara, F.Koike

AMS Studies at the University of Tsukuba

doi: 10.1016/S0168-9002(96)00628-6
Citations: PlumX Metrics


1996SE09      Phys.Lett. 383B, 133 (1996)

R.Seki, T.D.Shoppa, A.Kohama, K.Yazaki

Nuclear Correlation and Finite Interaction-Range Effects in High-Energy (e, e'p) Nuclear Transparency

NUCLEAR STRUCTURE 16O, 40Ca; calculated nuclear transparency at proton momentum of 4.49 GeV/c in (e, e'p) reaction. Glauber multiple scattering, all orders included.

doi: 10.1016/0370-2693(96)00735-6
Citations: PlumX Metrics


1996SH15      Nucl.Phys. A605, 387 (1996)

T.D.Shoppa, M.Jeng, S.E.Koonin, K.Langanke, R.Seki

Electron Screening in Molecular Fusion Reactions

NUCLEAR REACTIONS, ICPND 2H(d, p), E ≤ 20 keV; 3H(d, n), E(cm) ≤ 30 keV; calculated astrophysical S-factor. Time-dependent Hartree-Fock, molecular fusion, electron screening, dynamical wave function evolution.

doi: 10.1016/0375-9474(96)00183-2
Citations: PlumX Metrics


1995AR01      Phys.Rev. C51, 285 (1995)

M.Arima, K.Masutani, R.Seki

Nucleon Resonances and Pion-Nucleon Interaction in Nuclear Matter above the Δ Resonance Energy

doi: 10.1103/PhysRevC.51.285
Citations: PlumX Metrics


1995AR02      Phys.Rev. C51, 431 (1995)

M.Arima, K.Masutani, R.Seki

Further Study of π-12C Elastic Scattering at 800 MeV/c

NUCLEAR REACTIONS 12C(π-, π-), E at 800 MeV/c; analyzed σ(θ). Improved pion-absorption effects, dynamical in-medium modification of N(*) resonances.

doi: 10.1103/PhysRevC.51.431
Citations: PlumX Metrics


1995IW01      Nucl.Phys. A585, 239c (1995)

M.Iwasaki, K.Bartlett, G.A.Beer, D.R.Gill, R.S.Hayano, T.M.Ito, L.Lee, F.E.Maas, G.Mason, S.N.Nakamura, A.Olin, H.Outa, M.Salomon, R.Seki, T.Taniguchi, T.P.Terada, G.Trayling, E.Widmann, Y.Yamashita, S.Yen, Y.Yonezawa

Kaonic Hydrogen X-Ray Experiment at KEK

ATOMIC PHYSICS, Mesic-Atoms 1H(K-, X), E not given; measured kaonic atom X-ray energy shift, width.

doi: 10.1016/0375-9474(94)00572-5
Citations: PlumX Metrics


1995KO11      Phys.Lett. 344B, 61 (1995)

A.Kohama, K.Yazaki, R.Seki

Anomalous Mass Number Dependence of Nuclear Transparency

NUCLEAR STRUCTURE A=1-100; calculated nuclear transparency vs momentum transfer.

doi: 10.1016/0370-2693(94)01561-P
Citations: PlumX Metrics


1994CH42      Phys.Rev. C50, 3079 (1994)

M.-C.Chu, S.Gardner, T.Matsui, R.Seki

Pion Interferometry with Pion-Source-Medium Interactions

NUCLEAR REACTIONS 197Au(28Si, X), E at 14.6 GeV/c/nucleon; analyzed correlation function data, inclusive 2π- production; deduced extended pion source effects.

doi: 10.1103/PhysRevC.50.3079
Citations: PlumX Metrics


1993KO03      Nucl.Phys. A551, 687 (1993)

A.Kohama, K.Yazaki, R.Seki

Nuclear Transparency in Electron-Nucleus Scattering

NUCLEAR REACTIONS 4He(e, e'p), E not given; calculated nuclear transparency. Glauber impulse approximation.

doi: 10.1016/0375-9474(93)90272-Y
Citations: PlumX Metrics


1993SH14      Phys.Rev. C48, 837 (1993)

T.D.Shoppa, S.E.Koonin, K.Langanke, R.Seki

One- and Two-Electron Atomic Screening in Fusion Reactions

NUCLEAR REACTIONS 3He, 2H(d, d), E=low; calculated electron screening potential vs internuclear separation. Time-dependent Hartree-Fock, classical motion of nuclei.

doi: 10.1103/PhysRevC.48.837
Citations: PlumX Metrics


1992KO04      Nucl.Phys. A536, 716 (1992)

A.Kohama, K.Yazaki, R.Seki

Nuclear Transparency in the Glauber Impulse Approximation

NUCLEAR REACTIONS 4He, 12C, 16O, 27Al, 63Cu, 208Pb(p, p), E at ≈ 5-14 GeV/c; calculated σ relative to free p-p σ. Glauber impulse approximation, nuclear transparency.

doi: 10.1016/0375-9474(92)90120-9
Citations: PlumX Metrics


1991AR12      Phys.Rev. C44, 415 (1991); Erratum Phys.Rev. C48, 2541 (1993)

M.Arima, K.Masutani, R.Seki

Pion-Nucleus Scattering at 800 MeV/c

NUCLEAR REACTIONS 12C(π+, π+), E at 800 MeV/c; calculated σ(θ). Glauber theory, optical model.

doi: 10.1103/PhysRevC.44.415
Citations: PlumX Metrics


1991SE10      Phys.Lett. 263B, 1 (1991)

R.Seki, K.Masutani, H.Toki

Absorptive Contents of Pionic-Atom Optical Potentials and the Anomaly Problem

ATOMIC PHYSICS, Mesic-Atoms 208Pb; calculated pionic atom binding energy; deduced optical potential features.

doi: 10.1016/0370-2693(91)91697-T
Citations: PlumX Metrics


1989IK02      J.Radioanal.Nucl.Chem. 131, 65 (1989)

N.Ikeda, R.Seki, M.Kamemoto, M.Otsuji

Activation Analysis for Technetium-99 by the Use of a Neutron-Excitation Reaction

NUCLEAR REACTIONS 99Tc(n, n'), E=reactor; measured Eγ, Iγ; deduced reaction σ.

doi: 10.1007/BF02046609
Citations: PlumX Metrics


1988MA37      Phys.Rev. C38, 867 (1988)

K.Masutani, R.Seki

Observation of Pionic Atom Anomaly in Low-Energy Pion Scattering

NUCLEAR REACTIONS 12C, 40Ca(π+, π+), (π-, π-), E=19.5, 30 MeV; 16O, 12C(π+, π+), (π-, π-), E=20, 30 MeV; 58Ni(π+, π+), (π-, π-), E=30 MeV; calculated σ(θ); deduced pion atom anomaly role.

doi: 10.1103/PhysRevC.38.867
Citations: PlumX Metrics


1987WR01      Phys.Rev. C35, 2258 (1987)

D.H.Wright, M.Blecher, K.Masutani, R.Seki, R.L.Boudrie, R.L.Burman, M.J.Leitch, M.Alsolami, G.Blanpied, J.A.Escalante, C.S.Mishra, G.Pignault, B.M.Preedom, C.S.Whisnant, B.G.Ritchie

Indication of Pionic-Atom Anomalies in Pion-Nucleus Elastic Scattering

NUCLEAR REACTIONS 58Ni(π+, π+), (π-, π-), E=30 MeV; measured σ(θ); deduced pion-atom anomalies. Clamshell spectrometer.

doi: 10.1103/PhysRevC.35.2258
Citations: PlumX Metrics


1986OH04      Nucl.Phys. A458, 669 (1986)

S.Ohta, R.Seki

Spin-Isospin Projection of Hedgehog Chiral Soliton Bags using Collective Coordinates

NUCLEAR STRUCTURE 1H, 1n; calculated magnetic moment, electromagnetic rms charge radii, (g(A)), pion-nucleon-nucleon coupling constant.

doi: 10.1016/0375-9474(86)90193-4
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1985MA27      Phys.Lett. 156B, 11 (1985)

K.Masutani, R.Seki

Investigation of the 3d Pionic Atom Anomaly in Low-Energy Pion Scattering

NUCLEAR REACTIONS 40Ca(π-, π-), (π+, π+), E=10, 20, 30 MeV; calculated σ(θ), σ(π-)/σ(π+) vs θ; deduced optical model parameters, optical conditions for 3d atomic state shift, width anomaly studies.

doi: 10.1016/0370-2693(85)91345-0
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1985SE21      Prog.Theor.Phys.(Kyoto) 74, 511 (1985)

R.Seki

Anomalously Small Shifts and Widths in Pionic Atoms

ATOMIC PHYSICS 12C, 18O, 20Ne, 32S, 44Ca, 55Mn, 63,65Cu, 107,109Ag, 208Pb, 209Bi, 181Ta; analyzed pionic atom shifts, widths; deduced pion-nucleus potential limitations, constraints.

doi: 10.1143/PTP.74.511
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1983SE10      Phys.Rev. C27, 2799 (1983)

R.Seki, K.Masutani

Unified Analysis of Pionic Atoms and Low-Energy Pion-Nucleus Scattering: Phenomenological analysis

NUCLEAR REACTIONS 51V, 12C(π-, π-), E < 50 MeV; calculated σ(θ). Unified, phenomenological analysis, effective nuclear density, pion-nucleus optical potentials.

ATOMIC PHYSICS, Mesic-Atoms 51V, 12C; calculated pionic strong interaction shifts, widths. Unified, phenomenological analysis, effective nuclear density.

doi: 10.1103/PhysRevC.27.2799
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1983SE11      Phys.Rev. C27, 2817 (1983)

R.Seki, K.Masutani, K.Yazaki

Unified Analysis of Pionic Atoms and Low-Energy Pion-Nuclear Scattering: Hybrid analysis

NUCLEAR REACTIONS 12C, 40Ca(π+, π+), (π-, π-), E=30, 40, 50 MeV; 208Pb(π+, π+), (π-, π-), E ≈ 50 MeV; calculated σ(θ); deduced optical potential parameters. Unified, phenomenological analysis, effective nuclear density.

ATOMIC PHYSICS, Mesic-Atoms 12C, 40Ca, 208Pb; calculated pionic strong interaction shifts, widths.

doi: 10.1103/PhysRevC.27.2817
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1982SE10      Phys.Rev. C26, 1342 (1982)

R.Seki

Anomalous 3d Shifts and Widths in Heavy π- Atoms

ATOMIC PHYSICS, Mesic-Atoms 181Ta, Re, 209Bi; analyzed pionic strong interaction shifts, widths anomaly; deduced repulsive pion-nucleus interaction role. Optical model.

doi: 10.1103/PhysRevC.26.1342
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1981LE05      Nucl.Phys. A352, 477 (1981)

M.Leon, R.Seki

Relativistic Corrections to Perturbation Theory for Pionic and Kaonic Atoms

ATOMIC PHYSICS, Mesic-Atoms Ho, Re; calculated relativistic corrections to pionic level energies. Perturbation theory.

doi: 10.1016/0375-9474(81)90424-3
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1980SE11      Phys.Lett. 97B, 200 (1980)

R.Seki, K.Masutani, M.Oka, K.Yazaki

A Unified Analysis of Pionic Atoms and Low-Energy Pion-Nucleus Scattering

NUCLEAR REACTIONS 12C(π+, π+), E=50 MeV; calculated σ(θ). Modified Kisslinger potential, Pauli blocking effect.

ATOMIC PHYSICS, Mesic-Atoms 12C, 16O, 40Ca, 90Zr, 208Pb; analyzed pionic interaction shift, width data; deduced modified Kisslinger potential parameters.

doi: 10.1016/0370-2693(80)90582-1
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1975NO06      Int.J.Appl.Radiat.Isotop. 26, 17 (1975)

T.Nozaki, M.Furukawa, S.Kume, R.Seki

Production of 28Mg by Triton and α-Particle Induced Reactions

NUCLEAR REACTIONS Mg, Al, Si(α, X), E=42 MeV; Mg, Al, Si(3He, X), E=24 MeV; measured 28Mg yield.

doi: 10.1016/0020-708X(75)90004-6
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2464.


1973SE07      Phys.Rev. C7, 1260 (1973)

R.Seki, R.Kunselman

Further Study of the K--Nucleus Optical Potential in Kaonic Atoms

ATOMIC PHYSICS, Mesic-Atoms Z=2-92; calculated mesic atoms X-ray energy-level shifts, widths, relative X-ray transition yields.

doi: 10.1103/PhysRevC.7.1260
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1972SE03      Phys.Rev. C5, 1196 (1972)

R.Seki

K--Nucleus Optical Potential in K--Mesonic Atoms

ATOMIC PHYSICS, Mesic-Atoms 32S; analyzed K-Nucleus optical potential.

NUCLEAR REACTIONS 32S(K-, X); analyzed optical potential.

doi: 10.1103/PhysRevC.5.1196
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1972SE13      Nuovo Cim. 9A, 235 (1972)

R.Seki

Puzzle of π + 12C → π + 11C Reaction Rates Near the 3-3 Resonance

NUCLEAR REACTIONS 12C(π, πn), calculated σ near 3-3 resonance. Isospin invariance.

doi: 10.1007/BF02813424
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1971SE02      Phys.Rev. C3, 454 (1971)

R.Seki

Multiple-Scattering Calculation of π-Nucleus Scattering Near the 3-3 Resonance

NUCLEAR REACTIONS 1H, 4He, 9Be, 12C, 16O(π, π), E=0.11.4 GeV; calculated σ near 3-3 resonance.

doi: 10.1103/PhysRevC.3.454
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