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NSR database version of April 11, 2024.

Search: Author = H.Clement

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2023BA13      Nucl.Phys. A1037, 122698 (2023)

M.Bashkanov, H.Clement

On sequential single-pion production in double-pionic fusion

doi: 10.1016/j.nuclphysa.2023.122698
Citations: PlumX Metrics


2022CL03      Phys.Rev. C 106, 065204 (2022)

H.Clement, T.Skorodko, E.Doroshkevich

Possibility of dibaryon formation near the N*(1440)N threshold: Reexamination of isoscalar single-pion production

NUCLEAR REACTIONS 1H(n, 2pπ-), (p, 2pπ0), √ s = 2100-2500 MeV; analyzed experimental and theoretical data on single-pion production σ(E); deduced σ(E) features - bump which could be described by Lorentzian with mass 2310 MeV and 150 MeV width, branching ratios. Discussed possible Roper resonance nature of the σ enhancement.

doi: 10.1103/PhysRevC.106.065204
Citations: PlumX Metrics


2020KU25      Eur.Phys.J. A 56, 229 (2020)

V.I.Kukulin, O.A.Rubtsova, M.N.Platonova, V.N.Pomerantsev, H.Clement, T.Skorodko

Nature of S-wave N N interaction and dibaryon production at nucleonic resonance thresholds

doi: 10.1140/epja/s10050-020-00236-3
Citations: PlumX Metrics


2017BA02      Nucl.Phys. A958, 129 (2017)

M.Bashkanov, H.Clement, T.Skorodko

Examination of the nature of the ABC effect

doi: 10.1016/j.nuclphysa.2016.12.001
Citations: PlumX Metrics


2017HA11      Phys.Rev. C 95, 034001 (2017)

F.Hauenstein, E.Borodina, H.Clement, E.Doroshkevich, R.Dzhygadlo, K.Ehrhardt, W.Eyrich, W.Gast, A.Gillitzer, D.Grzonka, J.Haidenbauer, C.Hanhart, S.Jowzaee, K.Kilian, P.Klaja, L.Kober, M.Krapp, M.Mertens, P.Moskal, J.Ritman, E.Roderburg, M.Roder, W.Schroeder, T.Sefzick, P.Wintz, P.Wustner, for the COSY-TOF Collaboration

Determination of the spin triplet pΛ scattering length from the final state interaction in the p(pol)p → pK+Λ reaction

NUCLEAR REACTIONS 1H(polarized p, K+Λ), at momentum of 2.7 GeV/c; measured pΛ invariant mass spectrum, particle pK+Λ and pK+ππ- events, analyzing powers using COSY Time-of-Flight (COSY-TOF) detector; deduced Dalitz plot coefficients of associated Legendre polynomials as a function of pΛ invariant mass, spin triplet pΛ scattering length from the final state interaction. Comparison with previous experimental results, and theoretical predictions.

doi: 10.1103/PhysRevC.95.034001
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2016HA40      Eur.Phys.J. A 52, 337 (2016)

F.Hauenstein, E.Borodina, H.Clement, E.Doroshkevich, R.Dzhygadlo, K.Ehrhardt, W.Eyrich, W.Gast, A.Gillitzer, D.Grzonka, S.Jowzaee, P.Klaja, L.Kober, K.Kilian, M.Krapp, M.Mertens, P.Moskal, J.Ritman, E.Roderburg, M.Roder, W.Schroeder, T.Sefzick, J.Smyrski, P.Wintz, P.Wustner,

Measurement of polarization observables of the associated strangeness production in proton proton interactions

doi: 10.1140/epja/i2016-16337-1
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2015BA31      Eur.Phys.J. A 51, 87 (2015)

M.Bashkanov, H.Clement, T.Skorodko

Branching ratios for the decay of d*(2380)

doi: 10.1140/epja/i2015-15087-x
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2014BA28      Eur.Phys.J. A 50, 107 (2014)

M.Bashkanov, H.Clement

On a possible explanation of the DLS puzzle

NUCLEAR REACTIONS 1n, 1H(p, x), E=1.25 GeV; calculated invariant mass distribution for e+e- pairs from ρ0 decay.Compared with HADES data.

doi: 10.1140/epja/i2014-14107-9
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2013AB05      Eur.Phys.J. A 49, 41 (2013)

S.Abd El-Samad, E.Borodina, K.-Th.Brinkmann, H.Clement, E.Doroshkevich, R.Dzhygadlo, K.Ehrhardt, A.Erhardt, W.Eyrich, H.Freiesleben, W.Gast, A.Gillitzer, D.Grzonka, C.Hanhart, F.Hauenstein, P.Klaja, K.Kilian, M.Krapp, J.Ritman, E.Roderburg, M.Roder, M.Schulte-Wissermann, W.Schroeder, T.Sefzick, G.J.Wagner, P.Wintz, P.Wustner, for the COSY-TOF Collaboration

On the ΣN cusp in the pp → pK+Λ reaction

doi: 10.1140/epja/i2013-13041-8
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2013RO35      Eur.Phys.J. A 49, 157 (2013)

M.Roder, E.Borodina, H.Clement, E.Doroshkevich, R.Dzhygadlo, K.Ehrhardt, A.Erhardt, W.Eyrich, W.Gast, A.Gillitzer, D.Grzonka, J.Haidenbauer, C.Hanhart, F.Hauenstein, P.Klaja, L.Kober, K.Kilian, M.Krapp, M.Mertens, J.Ritman, E.Roderburg, W.Schroeder, T.Sefzick, A.Sibirtsev, P.Wintz, P.Wustner

Final-state interactions in the process p(pol)p → pK+Λ

doi: 10.1140/epja/i2013-13157-9
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2010SC22      Eur.Phys.J. A 45, 11 (2010)

K.Schonning, Chr.Bargholtz, M.Bashkanov, M.Berlowski, D.Bogoslawsky, H.Calen, H.Clement, L.Demirors, C.Ekstrom, K.Fransson, L.Geren, L.Gustafsson, B.Hoistad, G.Ivanov, M.Jacewicz, E.Jiganov, T.Johansson, S.Keleta, O.Khakimova, F.Kren, S.Kullander, A.Kupsc, A.Kuzmin, K.Lindberg, P.Marciniewski, B.Morosov, W.Oelert, C.Pauly, H.Petren, Y.Petukhov, A.Povtorejko, W.Scobel, R.Shafigullin, B.Shwartz, T.Skorodko, V.Sopov, J.Stepaniak, P.-E.Tegner, P.Thorngren Engblom, V.Tikhomirov, A.Turowiecki, G.J.Wagner, M.Wolke, J.Zabierowski, I.Zartova, J.Zlomanczuk

Production of η and 3π mesons in the pd → 3HeX reaction at 1360 and 1450 MeV

doi: 10.1140/epja/i2010-10981-3
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2009KE03      Nucl.Phys. A825, 71 (2009)

S.Keleta, Chr.Bargholtz, M.Bashkanov, M.Berlowski, D.Bogoslawsky, H.Calen, H.Clement, L.Demirors, C.Ekstrom, K.Fransson, L.Geren, L.Gustafsson, B.Hoistad, G.Ivanov, M.Jacewicz, E.Jiganov, T.Johansson, O.Khakimova, F.Kren, S.Kullander, A.Kupsc, A.Kuzmin, K.Lindberg, P.Marciniewski, B.Morosov, W.Oelert, C.Pauly, H.Petren, Y.Petukhov, A.Povtorejko, A.Pricking, R.J.M.Y.Ruber, K.Schonning, W.Scobel, R.Shafigullin, B.Shwartz, T.Skorodko, V.Sopov, J.Stepaniak, P.-E.Tegner, P.Thorngren Engblom, V.Tikhomirov, A.Turowiecki, G.J.Wagner, C.Wilkin, M.Wolke, J.Zabierowski, I.Zartova, J.Zlomanczuk

Exclusive measurement of two-pion production in the dd → 4He ππ reaction

NUCLEAR REACTIONS 2H(d, 2π0), (d, π+π-), E=712, 1029 MeV; measured σ(θ), invariant mass spectra, energy spectra and other reaction observables. Comparison with simplified ΔΔ model and earlier results.

doi: 10.1016/j.nuclphysa.2009.04.008
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2008AB06      Phys.Lett. B 662, 14 (2008)

M.Abdel-Bary, K.-Th.Brinkmann, H.Clement, J.Dietrich, E.Doroshkevich, S.Dshemuchadse, K.Ehrhardt, A.Erhardt, W.Eyrich, H.Freiesleben, A.Gillitzer, J.Gottwald, R.Jakel, L.Karsch, K.Kilian, E.Kuhlmann, H.P.Morsch, C.Pizzolotto, S.Reimann, J.Ritman, E.Roderburg, W.Schroeder, M.Schulte-Wissermann, T.Sefzick, G.Y.Sun, A.Teufel, W.Ullrich, R.Wenzel, P.Wintz, P.Wustner, P.Zupranski, for the COSY-TOF Collaboration

Analyzing power Ay for ω meson production in proton-proton collisions

NUCLEAR REACTIONS 1H(polarized p, p'X), E at 3065 MeV/c; measured Ay(θ), missing mass spectra for ω meson production.

doi: 10.1016/j.physletb.2008.02.035
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2008AB11      Eur.Phys.J. A 36, 7 (2008)

M.Abdel-Bary, K.-Th.Brinkmann, H.Clement, E.Doroshkevich, S.Dshemuchadse, A.Erhardt, W.Eyrich, H.Freiesleben, A.Gillitzer, R.Jakel, L.Karsch, K.Kilian, E.Kuhlmann, K.Moller, H.P.Morsch, L.Naumann, N.Paul, C.Pizzolotto, J.Ritman, E.Roderburg, W.Schroeder, M.Schulte-Wissermann, Th.Sefzick, A.Teufel, A.Ucar, W.Ullrich, P.Wintz, P.Wustner, P.Zupranski, and the COSY-TOF Collaboration

Single π- production in np collisions for excess energies up to 90 MeV

NUCLEAR REACTIONS 1H(d, pX), E at 1.85 GeV/c; measured σ(θ), σ(E'), invariant mass distributions; deduced final state interaction effects.

doi: 10.1140/epja/i2007-10543-x
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2007TH09      Phys.Rev. C 76, 011602 (2007)

P.Thorngren Engblom, S.Negasi Keleta, F.Cappellaro, B.Hoistad, M.Jacewicz, T.Johansson, I.Koch, S.Kullander, H.Pettersson, K.Schonning, J.Zlomanczuk, H.Calen, K.Fransson, A.Kupsc, P.Marciniewski, M.Wolke, C.Pauly, L.Demirors, W.Scobel, J.Stepaniak, J.Zabierowski, M.Bashkanov, H.Clement, O.Khakimova, F.Kren, T.Skorodko

Anisotropy in the pion angular distribution of the reaction pp → ppπ0 at 400 MeV

doi: 10.1103/PhysRevC.76.011602
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2006AB42      Eur.Phys.J. A 29, 353 (2006)

M.Abdel-Bary, K.-Th.Brinkmann, H.Clement, E.Doroshkevich, S.Dshemuchadse, A.Erhardt, W.Eyrich, H.Freiesleben, A.Gillitzer, R.Jakel, L.Karsch, K.Kilian, E.Kuhlmann, K.Moller, H.P.Morsch, L.Naumann, N.Paul, C.Pizzolotto, J.Ritman, E.Roderburg, P.Schonmeier, W.Schroeder, M.Schulte-Wissermann, G.Y.Sun, A.Teufel, A.Ucar, G.J.Wagner, M.Wagner, P.Wintz, P.Wustner, P.Zupranski, and the COSY-TOF Collaboration

Study of spectator tagging in the reaction np → ppπ with a deuteron beam

NUCLEAR REACTIONS 1H(d, 2pπ-), E=759 MeV; measured Ep, En, angular distributions; deduced quasifree reaction features.

doi: 10.1140/epja/i2006-10099-3
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2006BA29      Phys.Lett. B 637, 223 (2006)

M.Bashkanov, D.Bogoslawsky, H.Calen, F.Cappellaro, H.Clement, L.Demiroers, C.Ekstrom, K.Fransson, J.Greiff, L.Gustafsson, B.Hoistad, G.Ivanov, M.Jacewicz, E.Jiganov, T.Johansson, O.Khakimova, M.M.Kaskulov, S.Keleta, I.Koch, F.Kren, S.Kullander, A.Kupsc, A.Kuznetsov, P.Marciniewski, R.Meier, B.Morosov, W.Oelert, C.Pauly, Y.Petukho, A.Povtorejko, R.J.M.Y.Ruber, W.Scobel, T.Skorodko, B.Shwartz, V.Sopov, J.Stepaniak, V.Tchernyshev, P.Thorngren-Engblom, V.Tikhomirov, A.Turowiecki, G.J.Wagner, M.Wolke, A.Yamamoto, J.Zabierowski, J.Zlomanczuk

Exclusive measurements of pd → 3He ππ: The ABC effect revisited

NUCLEAR REACTIONS 2H(p, π+π-), (p, 2π0), E=0.893 GeV; measured σ(θ), invariant mass distributions. Comparison with ΔΔ-excitation calculations.

doi: 10.1016/j.physletb.2006.03.082
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2006BA45      Acta Phys.Slovaca 56, 285 (2006)

M.Bashkanov, T.Skorodko, C.Bargholtz, D.Bogoslawsky, H.Calen, F.Cappellaro, H.Clement, L.Demiroers, E.Doroshkevich, C.Ekstrom, K.Fransson, L.Geren, J.Greiff, L.Gustafsson, B.Hoistad, G.Ivanov, M.Jacewicz, E.Jiganov, T.Johansson, M.M.Kaskulov, S.Keleta, O.Khakimova, I.Koch, F.Kren, S.Kullander, A.Kupsc, A.Kuznetsov, K.Lindberg, P.Marciniewski, R.Meier, B.Morosov, W.Oelert, C.Pauly, Y.Petukhov, A.Povtorejko, R.J.M.Y.Ruber, W.Scobel, R.Shafigullin, B.Shwartz, V.Sopov, J.Stepaniak, P.-E.Tegner, V.Tchernyshev, P.Thorngren-Engblom, V.Tikhomirov, A.Turowiecki, G.J.Wagner, M.Wolke, A.Yamamoto, J.Zabierowski, I.Zartova, J.Zlomanczuk, and the CELSIUS/WASA Collaboration

On the ππ production in free and in-medium NN-collisions: σ-channel low-mass enhancement and π0π0+π- - asymmetry

NUCLEAR REACTIONS 1H(p, pπ+π-), (p, p2π0), E=0.775-1.45 GeV; 2H(p, 2π0), E=0.775-1.45 GeV; measured invariant mass spectra; deduced low-mass enhancement, other reaction mechanism features.


2006BR17      Phys.Lett. B 639, 424 (2006)

J.Breitschopf, M.Bauer, H.Clement, M.Croni, H.Denz, E.Friedman, E.F.Gibson, R.Meier, G.J.Wagner

Pionic charge exchange on the proton from 40 to 250 MeV

NUCLEAR REACTIONS 1H(π-, π0), E=39-247 MeV; measured total charge exchange σ. Transmission technique. Comparison with other results and model calculations.

doi: 10.1016/j.physletb.2006.07.009
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0749.


2006DE08      Phys.Lett. B 633, 209 (2006)

H.Denz, P.Amaudruz, J.T.Brack, J.Breitschopf, P.Camerini, J.L.Clark, H.Clement, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, G.J.Hofman, B.Jamieson, E.L.Mathie, R.Meier, G.Moloney, D.Ottewell, O.Patarakin, J.D.Patterson M.M.Pavan, S.Piano, K.Raywood, R.a.Ristinen, R.Rui, M.E.Sevior, G.R.Smith, J.Stahov, R.Tacik, G.J.Wagner, F.von Wrochem, D.M.Yeomans

π±p differential cross sections at low energies

NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=19.9-43.3 MeV; measured σ(E, θ); deduced isospin scattering amplitude. CHAOS spectrometer.

doi: 10.1016/j.physletb.2005.12.017
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2005FR28      Phys.Rev. C 72, 034609 (2005)

E.Friedman, M.Bauer, J.Breitschopf, H.Clement, H.Denz, E.Doroshkevich, A.Erhardt, G.J.Hofman, S.Kritchman, R.Meier, G.J.Wagner, G.Yaari

Elastic scattering of low energy pions by nuclei and the in-medium isovector πN amplitude

NUCLEAR REACTIONS Si, Ca, Ni, Zr(π+, π+), (π-, π-), E=21.5 MeV; measured σ(θ); deduced optical potential parameters, in-medium isovector amplitude, related features.

doi: 10.1103/PhysRevC.72.034609
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2004BI04      Phys.Rev. C 69, 014003 (2004)

R.Bilger, W.Brodowski, H.Calen, H.Clement, C.Ekstrom, G.Faldt, K.Fransson, L.Gustafsson, B.Hoistad, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, G.Kurz, P.Marciniewski, B.Morosov, A.Mortsell, W.Oelert, V.Renken, R.Ruber, B.Shwartz, V.Sopov, J.Stepaniak, A.Sukhanov, P.Thorngren-Engblom, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, C.Wilkin, J.Zabierowski, J.Zlomanczuk

Measurement of the pd → pdη cross section in complete kinematics

NUCLEAR REACTIONS 2H(p, p'X), E=927, 961, 996, 1032, 1096 MeV; measured η meson production σ, missing mass and angular distributions. Kinematically complete measurement.

doi: 10.1103/PhysRevC.69.014003
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1318.


2004FR28      Phys.Rev.Lett. 93, 122302 (2004)

E.Friedman, M.Bauer, J.Breitschopf, H.Clement, H.Denz, E.Doroshkevich, A.Erhardt, G.J.Hofman, R.Meier, G.J.Wagner, G.Yaari

In-Medium Isovector πN Amplitude from Low-Energy Pion Scattering

NUCLEAR REACTIONS Si, Ca, Ni, Zr(π+, π+), (π-, π-), E=21.5 MeV; measured σ(θ); deduced in-medium amplitudes.

doi: 10.1103/PhysRevLett.93.122302
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2004KA37      Phys.Rev. C 70, 014002 (2004)

M.M.Kaskulov, H.Clement

Correlated two-pion exchange and large-Nc behavior of nuclear forces

doi: 10.1103/PhysRevC.70.014002
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2004KA59      Phys.Rev. C 70, 057001 (2004)

M.M.Kaskulov, H.Clement

Correlated two-pion exchange in peripheral NN scattering

doi: 10.1103/PhysRevC.70.057001
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2004ME07      Phys.Lett. B 588, 155 (2004)

R.Meier, M.Croni, R.Bilger, B.van den Brandt, J.Breitschopf, H.Clement, J.R.Comfort, H.Denz, A.Erhardt, K.Fohl, E.Friedman, J.Grater, P.Hautle, G.J.Hofman, J.A.Konter, S.Mango, J.Patzold, M.M.Pavan, G.J.Wagner, F.von Wrochem

Low energy analyzing powers in pion-proton elastic scattering

NUCLEAR REACTIONS 1H(π+, π+), E=45.2, 51.2, 57.2, 68.5, 77.2, 87.2 MeV; 1H(π-, π-), E=67.3, 87.2 MeV; measured Ay(θ). Polarized target. Comparison with model predictions.

doi: 10.1016/j.physletb.2004.02.071
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2003DO17      Eur.Phys.J. A 18, 171 (2003)

E.Doroshkevich, M.Bashkanov, W.Brodowski, R.Bilger, H.Calen, H.Clement, C.Ekstrom, K.Fransson, J.Greiff, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, P.Marciniewski, R.Meier, B.Morosov, W.Oelert, J.Patzold, R.J.M.Y.Ruber, W.Scobel, J.Stepaniak, A.Sukhanov, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, J.Zabierowski, J.Zlomanczuk

Study of baryon and search for dibaryon resonances by the pp → ppπ+π- reaction

NUCLEAR REACTIONS 1H(p, pπ+π-), E=725, 750, 775 MeV; measured invariant mass spectra; deduced Roper resonance production and decay features.

doi: 10.1140/epja/i2002-10305-4
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2003DO19      Eur.Phys.J. A 18, 297 (2003)

E.Doroshkevich, W.Brodowski, J.Patzold, H.Clement, R.Meier, G.J.Wagner

Experiments on the search for the NN-decoupled NNπ-resonance d'

doi: 10.1140/epja/i2002-10220-8
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2003HO09      Phys.Scr. T104, 15 (2003)

B.Hoistad, H.Calen, K.Fransson, L.Gustafsson, S.Haggstrom, A.Johansson, J.Johanson, T.Johansson, A.Khoukaz, S.Kullander, R.Ruber, J.Zlomanczuk, C.Ekstrom, R.Bilger, W.Brodowski, H.Clement, G.J.Wagner, W.Oelert, T.Sefzick, J.Greiff, I.Koch, W.Scobel, A.Kupsc, P.Marciniewski, J.Stepaniak, B.Morosov, A.Povtorejko, A.Sukhanov, J.Zabierowski, B.Shwartz, and the PROMICE-WASA Collaboration

Two-Pion Production in Proton-Proton Collisions near Threshold

NUCLEAR REACTIONS 1H(p, π+π-), (p, 2π0), (p, π+π0), E=650-775 MeV; measured total σ, σ(θ), invariant mass spectra; deduced resonance contribution, other reaction mechanism features.


2003KU32      Nucl.Phys. A721, 563c (2003)

S.Kullander, C.Bargholtz, M.Bashkanov, D.Bogoslawsky, H.Calen, F.Cappellaro, H.Clement, L.Demirors, E.Dorochkevitch, C.Ekstrom, K.Fransson, C.J.Friden, M.Gornov, J.Greiff, L.Gustafsson, B.Hoistad, G.Ivanov, M.Jacewicz, E.Jiganov, A.Johansson, T.Johansson, S.Keleta, N.Kimura, I.Koch, A.Kupsc, A.Kuznetsov, K.Lindberg, P.Marciniewski, B.Morosov, A.Nawrot, B.Nefkens, W.Oelert, C.Pauly, Y.Petukhov, A.Povtorejko, D.Reistad, R.Ruber, S.Sandukovsky, W.Scobel, R.Shafigulin, B.Shwartz, T.Skorodko, V.Sopov, J.Stepaniak, V.Tchernyshev, P.-E.Tegner, V.Tikhomirov, P.Thorngren Engblom, A.Turowiecki, G.Wagner, U.Wiedner, Z.Wilhelmi, A.Yamamoto, H.Yamaoka, J.Zabierowski, J.Zlomanczuk

First results from the CELSIUS/WASA facility

NUCLEAR REACTIONS 1H(p, pX), E=1360 MeV; measured neutral pion and η meson production associated missing mass spectra.

doi: 10.1016/S0375-9474(03)01124-2
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2003NE04      Phys.Rev. C 67, 015201 (2003)

A.V.Nefediev, M.G.Schepkin, H.A.Clement

Collision damping in the π3He → d'N reaction near the threshold

NUCLEAR REACTIONS 3He(π, d), E ≈ 60-120 MeV; calculated d' resonance production σ, survival probability; deduced role of collision damping. Comparison with data.

doi: 10.1103/PhysRevC.67.015201
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2003PA17      Phys.Rev. C 67, 052202 (2003)

J.Patzold, M.Bashkanov, R.Bilger, W.Brodowski, H.Calen, H.Clement, C.Ekstrom, K.Fransson, J.Greiff, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, W.Oelert, R.J.M.Y.Ruber, M.Schepkin, W.Scobel, J.Stepaniak, A.Sukhanov, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, J.Zabierowski, J.Zlomanczuk

The pp → ppπ+π- reaction studied in the low-energy tail of the Roper resonance

NUCLEAR REACTIONS 1H(p, pπ+π-), E=775 MeV; measured σ(θ), invariant mass distributions; deduced Roper resonance contribution, decay branching ratio.

doi: 10.1103/PhysRevC.67.052202
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2003SE12      Eur.Phys.J. A 18, 321 (2003)

I.Seluzhenkov, M.Schepkin, H.Clement

Charge "asymmetry" from the isospin symmetry in pp → ppπ+π-

NUCLEAR REACTIONS 1H(p, pπ+π-), E not given; analyzed invariant mass spectra, asymmetry features. Phenomenological approach.

doi: 10.1140/epja/i2002-10226-2
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2003ZL01      Phys.Scr. T104, 84 (2003)

J.Zlomanczuk, R.Bilger, W.Brodowski, H.Calen, H.Clement, C.Ekstrom, G.Faldt, K.Fransson, L.Gustafsson, B.Hoistad, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, G.Kurz, P.Marciniewski, B.Morosov, A.Mortsell, W.Oelert, V.Renken, R.J.M.Y.Ruber, B.Shwartz, V.Sopov, J.Stepaniak, A.Sukhanov, P.Thorngren-Engblom, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, C.Wilkin, J.Zabierowski

Kinematically Complete Measurement of the pd → pdη Reaction

NUCLEAR REACTIONS 2H(p, pX), E=927, 961, 1032, 1096 MeV; measured η production associated missing mass spectra, σ(θ), σ. Kinematically complete measurement.

doi: 10.1238/Physica.Topical.104a00084
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2002BI02      Phys.Rev. C65, 044608 (2002)

R.Bilger, W.Brodowski, H.Calen, H.Clement, C.Ekstrom, G.Faldt, K.Fransson, L.Gustafsson, B.Hoistad, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, G.Kurz, P.Marciniewski, B.Morosov, A.Mortsell, W.Oelert, V.Renken, R.J.M.Y.Ruber, B.Shwartz, J.Stepaniak, A.Sukhanov, P.Thorngren-Engblom, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, C.Wilkin, J.Zabierowski, J.Zlomanczuk

Measurement of the pd → 3He η Cross Section between 930 and 1100 MeV

NUCLEAR REACTIONS 2H(p, X)3He, E=930, 965, 1037, 1100 MeV; measured η-production associated particle spectra, σ(θ), σ; deduced two-step contributions, other reaction mechanism features.

doi: 10.1103/PhysRevC.65.044608
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0896.


2002BR19      Phys.Rev.Lett. 88, 192301 (2002)

W.Brodowski, R.Bilger, H.Calen, H.Clement, C.Ekstrom, K.Fransson, J.Greiff, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, W.Oelert, J.Patzold, R.J.M.Y.Ruber, M.Schepkin, W.Scobel, I.Seluzhenkov, J.Stepaniak, A.Sukhanov, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, J.Zabierowski, J.Zlomanczuk

Exclusive Measurement of the pp → ppπ+π- Reaction Near Threshold

NUCLEAR REACTIONS 1H(p, pπ+π-), E=650, 680, 725, 750 MeV; measured σ, σ(θ), invariant mass distributions; deduced resonance contributions, other reaction mechanism features.

doi: 10.1103/PhysRevLett.88.192301
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2002BR51      Phys.Lett. 550B, 147 (2002)

W.Brodowski, J.Patzold, R.Bilger, H.Calen, H.Clement, C.Ekstrom, K.Fransson, J.Greiff, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, W.Oelert, R.J.M.Y.Ruber, M.Schepkin, W.Scobel, J.Stepaniak, A.Sukhanov, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, J.Zabierowski, J.Zlomanczuk

Search for narrow NNπ resonances in exclusive pp → ppπ+π- measurements

NUCLEAR REACTIONS 1H(p, pπ+π-), E=725, 750, 775 MeV; measured invariant mass spectra; deduced dibaryon resonance production σ upper limit.

doi: 10.1016/S0370-2693(02)02971-4
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2002CL04      Phys.Rev. C 66, 054606 (2002)

J.L.Clark, M.E.Sevior, H.Clement, J.Grater, R.Meier, G.J.Wagner, P.-A.Amaudruz, L.Felawka, G.J.Hofman, D.Ottewell, G.R.Smith, A.Ambardar, M.Kermani, G.Tagliente, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, E.L.Mathie, R.Tacik, D.M.Yeomans, E.F.Gibson, J.T.Brack, M.Schepkin

Semiexclusive pionic double charge exchange on 4He

NUCLEAR REACTIONS 4He(π+, π-2p), E=105, 115 MeV; measured invariant mass spectra; deduced sequential single charge exchange, no dibaryon resonance.

doi: 10.1103/PhysRevC.66.054606
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2002GR06      Phys.Rev. C65, 034009 (2002)

J.Greiff, I.Koch, W.Scobel, H.Rohdjess, J.Dyring, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, A.Khoukaz, S.Kullander, R.J.M.Y.Ruber, J.Zlomanczuk, V.Dunin, B.Morosov, A.Sukhanov, A.Zernov, J.Stepaniak, R.Bilger, W.Brodowski, H.Clement, G.J.Wagner, H.Calen, C.Ekstrom, A.Kupsc, P.Marciniewski, J.Zabierowski, B.Shwartz, A.Sukhanov, W.Oelert, T.Sefzick, A.Turowiecki

Quasifree Bremsstrahlung in the dp → dpγ Reaction above the Pion Production Threshold

NUCLEAR REACTIONS 1H(d, dγ), E=437-559 MeV; measured Eγ, Iγ, (particle)γ-coin, σ; deduced reaction mechanism features. Kinematically complete measurement.

doi: 10.1103/PhysRevC.65.034009
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2002JO19      Nucl.Phys. A712, 75 (2002)

J.Johanson, R.Bilger, W.Brodowski, H.Calen, H.Clement, C.Ekstrom, K.Fransson, J.Greiff, L.Gustafsson, S.Haggstrom, B.Hoistad, A.Johansson, T.Johansson, A.Khoukaz, I.Koch, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, W.Oelert, A.Povtorejko, R.Ruber, W.Scobel, T.Sefzick, B.Shwartz, J.Stepaniak, A.Sukhanov, G.J.Wagner, J.Zabierowski, J.Zlomanczuk

Two-pion production in proton-proton collisions near threshold

NUCLEAR REACTIONS 1H(p, pπ+π-), (p, pπ+π0), (p, p2π0), E=650-775 MeV; measured σ, σ(E), σ(θ), missing mass; deduced reaction mechanism features.

doi: 10.1016/S0375-9474(02)01187-9
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2002SC10      Yad.Fiz. 65, 369 (2002); Phys.Atomic Nuclei 65, 345 (2002)

M.G.Schepkin, I.V.Seluzhenkov, H.Clement

NN Correlations in a Multinucleon System

NUCLEAR REACTIONS 3He(π+, 3pπ0), E not given; 3He(π-, 2npπ0), E not given; calculated final-state interaction effects. Migdal-Watson effect, Pauli exclusion principle.

doi: 10.1134/1.1451952
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2002ZL01      Acta Phys.Pol. B33, 883 (2002)

J.Zlomanczuk, R.Bilger, W.Brodowski, H.Calen, H.Clement, C.Ekstrom, G.Faldt, K.Fransson, L.Gustafsson, B.Hoistad, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, G.Kurz, P.Marciniewski, B.Morosov, A.Mortsell, W.Oelert, V.Renken, R.J.M.Y.Ruber, B.Schwartz, J.Stepaniak, A.Sukhanov, P.Thorngren-Engblom, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, C.Wilkin, J.Zabierowski, for the WASA-PROMICE Collaboration

Measurement and Analysis of the pd → 3Heη Reaction between 930 and 1100 MeV

NUCLEAR REACTIONS 2H(p, X)3He, E=930, 965, 1037, 1100 MeV; measured η meson production σ, σ(θ). Comparison with model predictions.


2001BI01      Nucl.Instrum.Methods Phys.Res. A457, 64 (2001)

R.Bilger, W.Brodowski, H.Calen, H.Clement, V.Dunin, J.Dyring, C.Ekstrom, K.Fransson, J.Greiff, L.Gustafsson, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, K.Kilian, I.Koch, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, T.Neubauer, W.Oelert, R.J.M.Y.Ruber, B.Schwartz, J.Stepaniak, A.Sukhanov, P.Sundberg, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, C.Wilkin, J.Zabierowski, J.Zlomanczuk

Spectator Tagging in Quasi-Free Proton-Neutron Interactions in Deuterium using an Internal Cluster-Jet Target at a Storage Ring

NUCLEAR REACTIONS 2H(p, pπ0), (p, npπ0), E=320 MeV; measured spectator proton spectra, σ(E). Comparison with model predictions. Quasi-free reactions, cluster-jet target.

doi: 10.1016/S0168-9002(00)00672-0
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2001BI16      Nucl.Phys. A693, 633 (2001)

R.Bilger, W.Brodowski, H.Calen, H.Clement, J.Dyring, C.Ekstrom, G.Faldt, K.Fransson, J.Greiff, L.Gustafsson, B.Hoistad, M.Jacewicz, J.Johanson, A.Johansson, T.Johansson, K.Kilian, I.Koch, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, W.Oelert, R.J.M.Y.Ruber, P.Sundberg, B.Shwartz, J.Stepaniak, A.Sukhanov, P.Thorngren-Engblom, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, C.Wilkin, J.Zabierowski, J.Zlomanczuk

Cross Sections of the pp → ppπ0 Reaction between 310 and 425 MeV

NUCLEAR REACTIONS 1H(p, pπ0), E=310, 320, 340, 360, 400, 425 MeV; measured σ(E, θ); deduced total σ, reaction mechanism features. Partial wave analysis, kinematically complete measurement.

doi: 10.1016/S0375-9474(01)00800-4
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2001SI24      Eur.Phys.J. A 10, 365 (2001)

U.Siodlaczek, P.Achenbach, J.Ahrens, J.R.M.Annand, H.-J.Arends, R.Beck, R.Bilger, H.Clement, V.Hejny, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, J.C.McGeorge, V.Metag, R.Novotny, V.Olmos de Leon, F.Rambo, M.Schepkin, A.Schmidt, I.Seluzhenkov, H.Stroher, G.J.Wagner, Th.Walcher, J.Weiss, F.Wissmann, M.Wolf

Coherent and Incoherent π0 Photoproduction from the Deuteron

NUCLEAR REACTIONS 2H(γ, π0), (γ, π0n), E=140-306 MeV; measured missing energy spectra, σ(θ), σ. Tagged photons.

doi: 10.1007/s100500170120
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2000BI06      Nucl.Phys. A663-664, 469c (2000)

R.Bilger, W.Brodowski, H.Calen, H.Clement, J.Dyring, C.Ekstrom, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, A.Khoukaz, K.Kilian, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, A.Mortsell, W.Oelert, J.Patzold, R.J.M.Y.Ruber, M.G.Schepkin, J.Stepaniak, A.Sukhanov, P.Sundberg, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, J.Zabierowski, A.Zernov, J.Zlomanczuk

2π Production in pp Collisions Close to Threshold

NUCLEAR REACTIONS 1H(p, pπ-π+), E=750 MeV; measured missing mass spectrum; deduced reaction mechanism features.

doi: 10.1016/S0375-9474(99)00633-8
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2000BI07      Nucl.Phys. A663-664, 829C (2000)

R.Bilger, K.Fohl, H.Clement, M.Croni, A.Erhardt, R.Meier, J.Patzold, G.J.Wagner

Search for Exotic Muon Decays

doi: 10.1016/S0375-9474(99)00779-4
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2000BI09      Nucl.Phys. A663-664, 1053c (2000)

R.Bilger, W.Brodowski, H.Calen, H.Clement, V.Dunin, J.Dyring, C.Ekstrom, K.Fransson, J.Greiff, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, A.Khoukaz, K.Kilian, I.Koch, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, T.Neubauer, W.Oelert, R.Ruber, B.Shwartz, J.Stepaniak, A.Sukhanov, A.Sukhanov, P.Sundberg, A.Turowiecki, G.Wagner, Z.Wilhelmi, C.Wilkin, J.Zabierowski, A.Zernov, J.Zlomanczuk

Spectator Tagging in Quasi-Free pn-Reactions on Deuterium at PROMICE/WASA, CELSIUS

NUCLEAR REACTIONS 2H(p, pπ0), E not given; measured proton and deuteron momenta.

doi: 10.1016/S0375-9474(99)00768-X
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2000BI10      Nucl.Phys. A663-664, 1073c (2000)

R.Bilger, M.Blom, D.Bogoslawsky, A.Bondar, W.Brodowski, H.Calen, I.Chuvilo, H.Clement, V.Dunin, J.Dyring, C.Ekstrom, K.Fransson, C.-J.Friden, L.Gustafsson, S.Haggstrom, B.Hoistad, M.Jacewicz, J.Johanson, A.Johansson, T.Johansson, A.Khoukaz, K.Kilian, N.Kimura, I.Koch, G.Kolachev, M.Komogorov, S.Kullander, A.Kupsc, L.Kurdadze, A.Kuzmin, A.Kuznetsov, P.Marciniewski, A.Martemyanov, B.Martemyanov, B.Morosov, A.Mortsell, A.Nawrot, W.Oelert, S.Oreshkin, Y.Petukhov, A.Povtorejko, K.Przestrzelska, J.Patzold, D.Reistad, R.J.M.Y.Ruber, V.Sandukovsky, U.Schuberth, T.Sefzick, V.Sidorov, B.Shwartz, V.Sopov, J.Stepaniak, A.Sukhanov, A.Sukhanov, P.Sundberg, V.Tchernyshev, V.Tikhomirov, A.Turowiecki, G.Wagner, Z.Wilhelmi, A.Yamamoto, H.Yamaoka, J.Zabierowski, A.Zernov, J.Zlomanczuk

The WASA Detector at CELSIUS

doi: 10.1016/S0375-9474(99)00773-3
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2000BR55      Acta Phys.Pol. B31, 2295 (2000)

W.Brodowski, R.Bilger, H.Clement, J.Patzold, G.J.Wagner, H.Calen, C.Ekstrom, J.Dyring, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, S.Kullander, A.Mortsell, R.J.M.Y.Ruber, P.Sundberg, J.Zlomanczuk, K.Kilian, W.Oelert, A.Kupsc, P.Marciniewski, J.Stepaniak, B.Morosov, A.Sukhanov, A.Zernov, M.G.Schepkin, A.Turowiecki, Z.Wilhelmi, J.Zabierowski

Exclusive Measurement of pp → ppπ+π- at CELSIUS

NUCLEAR REACTIONS 1H(p, pπ+π-), E=750 MeV; measured invariant mass spectra, σ(θ); deduced possible resonance contributions. Comparison with model predictions.


2000DR19      Phys.Rev. C62, 064615 (2000)

J.Draeger, R.Bilger, H.Clement, M.Croni, H.Denz, J.Grater, R.Meier, J.Patzold, D.Schapler, G.J.Wagner, O.Wilhelm, K.Fohl, M.Schepkin

Systematics of the Low-Energy Pionic Double Charge Exchange in Nuclei

NUCLEAR REACTIONS 7Li, 12C, 16O, 56Fe(π+, π-), E=30-90 MeV; measured σ(E, θ); 40Ca, 93Nb(π+, π-), E=30-90 MeV; analyzed σ(E, θ); deduced energy and mass dependence features. Comparisons with theoretical calculations, dibaryon hypothesis.

doi: 10.1103/PhysRevC.62.064615
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2000GR31      Phys.Rev. C62, 064002 (2000)

J.Greiff, I.Koch, W.Scobel, H.Rohdjess, J.Dyring, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, A.Khoukaz, S.Kullander, R.J.M.Y.Ruber, J.Zlomanczuk, V.Dunin, B.Morosov, A.Sukhanov, A.Zernov, A.Kupsc, P.Marciniewski, J.Stepaniak, R.Bilger, W.Brodowski, H.Clement, G.J.Wagner, H.Calen, C.Ekstrom, J.Zabierowski, B.Shwartz, A.Sukhanov, W.Oelert, T.Sefzick, A.Turowiecki

Pion Production in dp → dNπ Reactions with Deuteron Projectiles

NUCLEAR REACTIONS 1H(d, dπ0), (d, dπ+), E=437-559 MeV; measured particle spectra, angular distributions, total σ; deduced reaction mechanism features. Kinematically complete measurement.

doi: 10.1103/PhysRevC.62.064002
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2000SI10      Nucl.Phys. A663-664, 428c (2000)

U.Siodlaczek, P.Achenbach, J.Ahrens, H.-J.Arends, R.Beck, R.Bilger, H.Clement, V.Hejny, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, V.Metag, R.Novotny, V.Olmos de Leon, F.Rambo, M.Schepkin, A.Schmidt, M.Schumacher, H.Stroher, G.J.Wagner, Th.Walcher, J.Weiss, F.Wissmann, M.Wolf

Measurement of Coherent and Incoherent π0 Photoproduction Off the Deuteron with Tagged Photons Up to the Δ Region

NUCLEAR REACTIONS 2H(γ, π0), E=130-306 MeV; measured pions missing energy spectra, σ(θ). Tagged photons.

doi: 10.1016/S0375-9474(99)00675-2
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2000SI39      Eur.Phys.J. A 9, 309 (2000)

U.Siodlaczek, P.Achenbach, J.Ahrens, H.-J.Arends, R.Beck, R.Bilger, H.Clement, V.Hejny, J.D.Kellie, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, J.C.McGeorge, V.Metag, R.Novotny, V.Olmos de Leon, F.Rambo, M.Schepkin, A.Schmidt, H.Stroher, G.J.Wagner, Th.Walcher, J.Weiss, F.Wissmann, M.Wolf

Search for Narrow Dibaryon Resonances in Neutral Pion Photoproduction from the Deuteron

NUCLEAR REACTIONS 2H(γ, π0), E=140-300 MeV; measured σ(θ, E); deduced absence of resonances in the 2-baryon system.

doi: 10.1007/s100500070015
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2000ZL01      Nucl.Phys. A663-664, 452c (2000)

J.Zlomanczuk, R.Bilger, W.Brodowski, H.Calen, H.Clement, J.Dyring, C.Ekstrom, G.Faldt, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, A.Mortsell, W.Oelert, R.J.M.Y.Ruber, U.Schuberth, P.Sundberg, B.Shwartz, J.Stepaniak, A.Sukhanov, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, C.Wilkin, J.Zabierowski, A.Zernov

Differential Cross Sections of the pp → ppπ0 Reaction from 310 to 425 MeV

NUCLEAR REACTIONS 1H(p, p'π0), E=310-425 MeV; measured σ(q), σ(θ), σ.

doi: 10.1016/S0375-9474(99)00629-6
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1999BE04      Phys.Lett. 446B, 179 (1999)

A.Betsch, R.Bilger, W.Brodowski, H.Calen, H.Clement, J.Dyring, C.Ekstrom, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, G.Kurz, P.Marciniewski, B.Morosov, A.Mortsell, W.Oelert, J.Patzold, R.J.M.Y.Ruber, M.G.Schepkin, J.Stepaniak, A.Sukhanov, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, J.Zabierowski, A.Zernov, J.Zlomanczuk

Observation of Strong Final-State Effects in π+ Production in pp Collisions at 400 MeV

NUCLEAR REACTIONS 1H(p, π+), (p, pπ+), E=400 MeV; measured pions, protons σ(θ), missing mass spectra; deduced final state interaction effects.

doi: 10.1016/S0370-2693(98)01524-X
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1999BI29      Nucl.Phys. (Supplement) A654, 479c (1999)

R.Bilger, A.Bondar, W.Brodowski, H.Calen, H.Clement, J.Dyring, C.Ekstrom, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, A.Kuzmin, P.Marciniewski, B.Morosov, A.Mortsell, W.Oelert, A.Povtorejko, R.J.M.Y.Ruber, U.Schuberth, T.Sefzick, V.Sidorov, B.Shwartz, V.Sopov, J.Stepaniak, A.Sukhanov, A.Sukhanov, V.Tchernychev, A.Turowiecki, G.Wagner, Z.Wilhelmi, J.Zabierowski, A.Zernov, J.Zlomanczuk

Recent Results from the CELSIUS/WASA Collaboration on Meson Production in Proton-Hydrogen Collisions

NUCLEAR REACTIONS 1n(p, dX), E ≈ threshold; measured η-meson production associated σ, invariant mass spectra. Quasifree reaction.

doi: 10.1016/S0375-9474(00)88482-1
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1999CA28      Phys.Lett. 458B, 190 (1999)

H.Calen, J.Dyring, G.Faldt, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, S.Kullander, A.Mortsell, R.Ruber, J.Zlomanczuk, C.Ekstrom, K.Kilian, W.Oelert, T.Sefzick, R.Bilger, W.Brodowski, H.Clement, G.J.Wagner, A.Bondar, A.Kuzmin, B.Shwartz, V.Sidorov, A.Sukhanov, V.Dunin, B.Morosov, A.Povtorejko, A.Sukhanov, A.Zernov, A.Kupsc, P.Marciniewski, J.Stepaniak, J.Zabierowski, A.Turowiecki, Z.Wilhelmi, C.Wilkin

Higher Partial Waves in pp → ppη Near Threshold

NUCLEAR REACTIONS 1H(p, pX), E=1295, 1350 MeV; measured η production σ(E, θ); deduced final state interaction, higher partial wave contributions.

doi: 10.1016/S0370-2693(99)00613-9
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1999GR01      Eur.Phys.J. A 4, 5 (1999)

J.Grater, P.A.Amaudruz, R.Bilger, P.Camerini, J.Clark, H.Clement, E.Friedman, L.Felawka, S.N.Filippov, E.Friagiacomo, Yu.K.Gavrilov, E.Gibson, N.Grion, G.J.Hofman, B.Jamieson, T.L.Karavicheva, M.Kermani, E.L.Mathie, R.Meier, G.Moloney, D.Ottewell, J.Patzold, O.Patarakin, K.Raywood, R.Rui, M.Schepkin, M.E.Sevior, G.R.Smith, H.Staudenmaier, R.Tacik, G.Tagliente, G.J.Wagner, M.Yeomans

Search for a Bound Trineutron with the 3He(π-π+)nnn Reaction

NUCLEAR REACTIONS 3He(π-, π+), E=65, 75, 120 MeV; measured three-neutron system invariant mass spectra; deduced no trineutron bound state or unbound resonance.

doi: 10.1007/s100500050196
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1998BI04      Phys.Lett. 420B, 217 (1998)

R.Bilger, A.Bohm, H.Brand, S.Brand, K.-Th.Brinkmann, H.Clement, M.Dellert, H.Dennert, W.Eyrich, D.Filges, H.Freiesleben, M.Fritsch, R.Geyer, A.Hassan, J.Hauffe, P.Herrmann, B.Hubner, P.Jahn, K.Kilian, M.Kirsch, H.Koch, J.Kress, J.Krug, E.Kuhlmann, J.S.Lange, A.Metzger, P.Michel, K.Moller, M.Moosburger, H.P.Morsch, Ch.Nake, H.Nann, B.Naumann, L.Naumann, P.Ringe, E.Roderburg, M.Rogge, A.Schamlott, P.Schonmeier, A.Schulke, R.Sperl, M.Steinke, F.Stinzing, P.Turek, G.J.Wagner, S.Wirth, U.Zielinski

Strangeness Production in the Reaction pp → K+ Λp in the Threshold Region

NUCLEAR REACTIONS 1H(p, pX), E at 2.50, 2.75 GeV/c; measured total σ for pK+Λ final state, kaon, Λ, proton σ(E, θ), Λ-polarization.

doi: 10.1016/S0370-2693(97)01573-6
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1998BI17      Acta Phys.Pol. B29, 2981 (1998)

R.Bilger, A.Bondar, W.Brodowski, H.Calen, H.Clement, J.Dyring, C.Ekstrom, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, A.Kuzmin, P.Marciniewski, B.Morosov, A.Mortsell, W.Oelert, A.Povtorejko, R.J.M.Y.Ruber, U.Schuberth, T.Sefzick, V.Sidorov, B.Shwartz, V.Sopov, J.Stepaniak, A.Sukhanov, A.Sukhanov, V.Tchernyshev, A.Turowiecki, G.Wagner, Z.Wilhelmi, J.Zabierowski, A.Zernov, J.Zlomanczuk

Threshold Eta Production in pN Reactions at CELSIUS

NUCLEAR REACTIONS 2H(p, X), E=1295 MeV; measured η production associated invariant mass spectra. 1n(p, X), E ≈ 1295 MeV; deduced η production σ from quasifree neutron.


1998BI18      Acta Phys.Pol. B29, 2987 (1998)

R.Bilger, W.Brodowski, H.Calen, H.Clement, J.Dyring, C.Ekstrom, K.Fransson, J.Greiff, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, A.Khoukaz, K.Kilian, I.Koch, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, A.Mortsell, W.Oelert, R.Ruber, U.Schuberth, B.Shwartz, J.Stepaniak, A.Sukhanov, P.Sundberg, A.Turowiecki, G.Wagner, Z.Wilhelmi, J.Zabierowski, A.Zernov, J.Zlomanczuk

Two-Pion Production in Proton-Proton Collisions Near Threshold at CELSIUS

NUCLEAR REACTIONS 1H(p, pX), E=650-775 MeV; measured two-pion production associated missing mass spectra.


1998CA05      Phys.Rev.Lett. 80, 2069 (1998)

H.Calen, J.Dyring, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, A.Khoukaz, S.Kullander, R.J.M.Y.Ruber, J.Zlomanczuk, B.Morosov, A.Povtorejko, A.Sukhanov, A.Zernov, A.Kupsc, P.Marciniewski, J.Stepaniak, R.Bilger, W.Brodowski, H.Clement, G.J.Wagner, C.Ekstrom, J.Zabierowski, A.Bondar, A.Kuzmin, B.Schwartz, V.Sidorov, A.Sukhanov, A.Turowiecki, Z.Wilhelmi, K.Kilian, W.Oelert, T.Sefzick, V.Sopov, V.Tchernyshev

Threshold Structure of the Quasifree p + n → d + η Reaction

NUCLEAR REACTIONS 1n(p, dX), E=1295 MeV; measured near-threshold η-production σ(E). Deuterium target, quasifree reaction.

doi: 10.1103/PhysRevLett.80.2069
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1998CA21      Phys.Lett. 427B, 248 (1998)

H.Calen, J.Dyring, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, A.Johansson, T.Johansson, S.Kullander, A.Mortsell, R.J.M.Y.Ruber, U.Schuberth, J.Zlomanczuk, C.Ekstrom, K.Kilian, W.Oelert, R.Bilger, W.Brodowski, H.Clement, G.J.Wagner, B.Schwartz, B.Morosov, A.Sukhanov, A.Zernov, A.Kupsc, P.Marciniewski, J.Stepaniak, J.Zabierowski, A.Turowiecki, Z.Wilhelmi

Upper Limits for a Narrow Dibaryon in pp Collisions at 200 and 310 MeV

NUCLEAR REACTIONS 1H(p, γX), E=200, 310 MeV; analyzed data; deduced dibaryon production upper limits.

doi: 10.1016/S0370-2693(98)00335-9
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1998CA42      Phys.Rev. C58, 2667 (1998)

H.Calen, J.Dyring, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, A.Johansson, T.Johansson, S.Kullander, A.Mortsell, R.Ruber, U.Schuberth, J.Zlomanczuk, C.Ekstrom, K.Kilian, W.Oelert, T.Sefzick, R.Bilger, W.Brodowski, H.Clement, G.J.Wagner, A.Bondar, A.Kuzmin, B.Shwartz, V.Sidorov, A.Sukhanov, A.Kupsc, P.Marciniewski, J.Stepaniak, V.Dunin, B.Morosov, A.Povtorejko, A.Sukhanov, A.Zernov, J.Zabierowski, A.Turowiecki, Z.Wilhelmi

Measurement of the Quasifree pn → pn η Reaction

NUCLEAR REACTIONS 2H(p, pX), E=1350 MeV; measured quasifree η-meson production σ, σ(Q).

doi: 10.1103/PhysRevC.58.2667
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1998CL08      Acta Phys.Pol. B29, 2999 (1998)

H.Clement, R.Bilger, A.Denig, K.Fohl, J.Grater, W.Kluge, R.Meier, J.Patzold, M.G.Schepkin, G.J.Wagner, for the LEPS Collaboration

Pionic Double Charge Exchange


1998NU06      Nuovo Cim. 111A, 971 (1998)

F.Nuoffer, G.Bartnitzky, H.Clement, A.Blazevic, H.G.Bohlen, B.Gebauer, W.von Oertzen, M.Wilpert, T.Wilpert, A.Lepine-Szily, W.Mittig, A.N.Ostrowski, P.Roussel-Chomaz

The Equation of State for Cold Nuclear Matter as Seen in Nucleus-Nucleus Scattering

NUCLEAR REACTIONS 16O(16O, 16O), E=250-1120 MeV; measured σ(θ); deduced scattering potential features, soft equation of state for cold nuclear matter.

doi: 10.1007/BF03035984
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1698.


1998PA19      Phys.Lett. 428B, 18 (1998)

J.Patzold, R.Bilger, H.Clement, A.Denig, K.Fohl, J.Grater, W.Kluge, R.Meier, M.Schepkin, G.J.Wagner, O.Wilhelm

Pionic Double Charge Exchange on 93Nb at Low Energies

NUCLEAR REACTIONS 93Nb(π+, π-), (π+, π+), E=30-60 MeV; measured σ(E, θ), ground state transitions; deduced resonance features. d' hypothesis.

doi: 10.1016/S0370-2693(98)00369-4
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1998PA40      Phys.Lett. 443B, 77 (1998)

J.Patzold, R.Bilger, H.Clement, K.Fohl, J.Grater, R.Meier, D.Schapler, G.J.Wagner, A.Denig, W.Kluge, M.Schepkin

The Reaction 7Li(π+, π-)7B and Its Implications for 7B

NUCLEAR REACTIONS 7Li(π+, π-), E=30-90 MeV; measured σ(θ), pion spectra. 7B deduced proton halo features.

doi: 10.1016/S0370-2693(98)01261-1
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1998ZL02      Phys.Lett. 436B, 251 (1998)

J.Zlomanczuk, R.Bilger, W.Brodowski, H.Calen, H.Clement, J.Dyring, C.Ekstrom, G.Faldt, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, A.Mortsell, W.Oelert, R.J.M.Y.Ruber, U.Schuberth, B.Shwartz, J.Stepaniak, A.Sukhanov, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, C.Wilkin, J.Zabierowski, A.Zernov

Pionic D-Wave Effects in pp → ppπ0 Near Threshold

NUCLEAR REACTIONS 1H(p, pπ0), E=310 MeV; measured pions σ(θ); deduced d-wave contribution.

doi: 10.1016/S0370-2693(98)00922-8
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1998ZL03      Acta Phys.Pol. B29, 3141 (1998)

J.Zlomanczuk, R.Bilger, W.Brodowski, H.Calen, H.Clement, J.Dyring, C.Ekstrom, G.Faldt, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, M.Jacewicz, A.Johansson, J.Johansson, T.Johansson, A.Khoukaz, K.Kilian, I.Koch, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, A.Mortsell, W.Oelert, R.J.M.Y.Ruber, Ul.Schuberth, B.Shwartz, J.Stepaniak, A.Sukhanov, P.Sundberg, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, C.Wilkin, J.Zabierowski, A.Zernov

Near-Threshold Pion Production in pN Collisions at CELSIUS

NUCLEAR REACTIONS 1H(p, pπ0), E=310 MeV; measured σ, σ(θ); deduced d-wave contribution.


1997BI12      Nucl.Phys. A626, 93c (1997)

R.Bilger, M.Blom, D.Bogoslawsky, A.Bondar, W.Brodowski, H.Calen, B.Chernyshev, I.Chuvilo, H.Clement, S.Dahlgren, V.Dunin, C.Ekstrom, C.-J.Friden, K.Fransson, M.Gornov, Y.Gurov, L.Gustafsson, H.Hirabayashi, S.Haggstrom, B.Hoistad, H.Ikegami, A.Jansson, A.Johansson, T.Johansson, K.Kilian, G.Kolachev, M.Komogorov, L.Komogorova, S.Kullander, A.Kupsc, A.Kuzmin, A.Kuznetsov, P.Marciniewski, A.Martemyanov, Y.Mizuno, B.Morosov, J.Moehn, A.Nawrot, W.Oelert, Z.Pawlowski, A.Povtorejko, T.Purlatz, D.Reistad, R.Ruber, S.Sandukovsky, R.Shafigullin, B.Shwartz, V.Sidorov, V.Sopov, J.Stepaniak, A.Sukhanov, A.Sukhanov, V.Tchernyshev, V.Tikhomirov, A.Turowiecki, G.Wagner, Z.Wilhelmi, A.Yamamoto, A.Yamaoka, Y.Yuasa, J.Zabierowski, A.Zernov, J.Zlomanczuk

CELSIUS as an η Factory

doi: 10.1016/S0375-9474(97)00525-3
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1997FO09      Phys.Rev.Lett. 79, 3849 (1997)

K.Fohl, R.Bilger, H.Clement, J.Grater, R.Meier, J.Patzold, D.Schapler, G.J.Wagner, O.Wilhelm, W.Kluge, R.Wieser, M.Schepkin, R.Abela, F.Foroughi, D.Renker

Pionic Double Charge Exchange on N = Z Doubly Closed Shell Nuclei

NUCLEAR REACTIONS 16O, 40Ca(π+, π-), E=45-90 MeV; measured σ(θ), σ(E); deduced ground-state transitions resonance structure, spreading widths, d' collision damping.

doi: 10.1103/PhysRevLett.79.3849
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1129.


1996BA14      Phys.Lett. 365B, 23 (1996)

G.Bartnitzky, A.Blazevic, H.G.Bohlen, J.M.Casandjian, M.Chartier, H.Clement, B.Gebauer, A.Gillibert, Th.Kirchner, D.T.Khoa, A.Lepine-Szily, W.Mittig, W.von Oertzen, A.N.Ostrowski, P.Roussel-Chomaz, J.Siegler, M.Wilpert, Th.Wilpert

Model-Unrestricted Nucleus-Nucleus Scattering Potentials from Measurement and Analysis of 16O + 16O Scattering

NUCLEAR REACTIONS 16O(16O, 16O), E=250-704 MeV; measured σ(θ); deduced model parameters, potential characteristics. Model-unrestricted analysis.

doi: 10.1016/0370-2693(95)01292-3
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1698.


1996BA71      Phys.Lett. 386B, 7 (1996)

G.Bartnitzky, H.Clement, P.Czerski, H.Muther, F.Nuoffer, J.Siegler

A Microscopic Energy- and Density-Dependent Effective Interaction and Its Test by Nucleus-Nucleus Scattering

NUCLEAR REACTIONS 16O(16O, 16O), E=704 MeV; calculated real potential. 40Ca, 208Pb(p, p), 208Pb(α, α), 16O(16O, 16O), E=22-44 MeV/nucleon; calculated real central scattering potentials. Microscopic energy-, density-dependent effective interaction.

doi: 10.1016/0370-2693(96)00969-0
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1996BB16      Acta Phys.Pol. B27, 2911 (1996)

J.T.Balewski, R.Bilger, A.Budzanowski, H.Clement, K.H.Diart, H.Dombrowski, K.Fohl, C.Goodman, D.Grzonka, H.Gutschmidt, K.Heitlinger, L.Jarczyk, M.Jochmann, M.Karnadi, A.Khoukaz, K.Kilian, M.Kohler, A.Kozela, T.Lister, P.Moskal, R.Nellen, W.Oelert, C.Quentmeier, R.Santo, D.Schapler, G.Schepers, U.Seddik, T.Sefzick, J.Smyrski, M.Sokolowski, A.Strzalkowski, M.Wolke, G.J.Wagner, K.H.Watzlawik, P.Wustner, K.Zwoll

Meson Production in p + p Interaction at Threshold


1996BI03      Nucl.Phys. A596, 586 (1996)

R.Bilger, H.Clement, Th.Czarnecki, K.Fohl, B.Martemyanov, M.Schepkin, L.Vorobyev, G.J.Wagner

On the Electromagnetic Production of the Proposed πNN Resonance d'

NUCLEAR REACTIONS 2H(e, e'X), E=high; calculated double differential σ for NNπ production; deduced d' production estimates for (e, e'X), (γ, X).

doi: 10.1016/0375-9474(95)00430-0
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1996BI32      Acta Phys.Pol. B27, 2985 (1996)

R.Bilger, W.Brodowski, H.Calen, H.Clement, C.Ekstrom, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, G.Kurz, P.Marciniewski, B.Morosov, J.Moehn, A.Mortsell, W.Oelert, D.Reistad, V.Renken, R.Ruber, B.Shwartz, J.Stepaniak, A.Sukhanov, G.J.Wagner, Z.Wilhelmi, J.Zabierowski, A.Zernov, J.Zlomanczuk

Recent Measurements of the η Production in pd Collisions at Celsius


1996BR18      Z.Phys. A355, 5 (1996)

W.Brodowski, R.Bilger, H.Calen, H.Clement, C.Ekstrom, K.Fohl, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, G.Kurz, P.Marciniewski, B.Morosov, J.Moehn, A.Mortsell, W.Oelert, V.Renken, R.Ruber, M.G.Schepkin, U.Siodlaczek, J.Stepaniak, A.Sukhanov, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, J.Zabierowski, A.Zernov, J.Zlomanczuk

A Signal of a Narrow πNN Resonance in pp → ppπ-π+

NUCLEAR REACTIONS 1H(p, X), E=750 MeV; measured 2π-production associated missing, invariant mass spectra; deduced narrow πNN resonance.

doi: 10.1007/s002180050070
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1996FO02      Phys.Rev. C53, R2033 (1996)

K.Fohl, B.M.Barnett, R.Bilger, H.Clement, S.Krell, G.J.Wagner, J.Jaki, C.Joram, W.Kluge, M.Metzler, R.Wieser, R.L.Boudrie, C.L.Morris, R.Abela, F.Foroughi, D.Renker

Low-Energy Pionic Double Charge Exchange on the ββ-Instable Nuclei 128,130Te

NUCLEAR REACTIONS 128,130Te(π+, π-), E=48 MeV; measured σ(E, θ); deduced implications to 128,130Te(2β-decay). 128,130Xe deduced ground, IAS state transitions.

doi: 10.1103/PhysRevC.53.R2033
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1996WI16      Phys.Rev. C54, 1930 (1996)

R.Wieser, A.Denig, U.von Hagel, Ch.Joram, W.Kluge, R.Andermann, R.Bilger, H.Clement, K.Fohl, K.Heitlinger, G.J.Wagner, B.van den Brandt, F.Foroughi, P.Hautle, J.A.Konter, S.Mango, A.Kovalev

Measurement of the π+p(pol) Analyzing Power at 68.3 MeV

NUCLEAR REACTIONS 1H(π+, π+), E=68.3 MeV; measured analyzing power A(y)(θ); deduced S31 pion-nucleon phase shift. Polarized proton target, magnetic spectrometer.

doi: 10.1103/PhysRevC.54.1930
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1128.


1995BI20      Phys.Lett. 363B, 41 (1995)

R.Bilger, H.Clement, A.Denig, K.Fohl, P.Hautle, W.Kluge, J.A.Konter, G.Kurz, S.Mango, D.Schapler, F.Schonleber, U.Siodlaczek, B.van den Brandt, G.J.Wagner, R.Wieser

Search for the Hypothetical π → μx Decay

doi: 10.1016/0370-2693(95)01232-F
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1995JO07      Phys.Rev. C51, 2144 (1995)

Ch.Joram, M.Metzler, J.Jaki, W.Kluge, H.Matthay, R.Wieser, B.M.Barnett, H.Clement, S.Krell, G.J.Wagner

Low-Energy Differential Cross Sections of Pion-Proton (π±p) Scattering. I. The Isospin-Even Forward Scattering Amplitude at T(π) = 32.2 and 44.6 MeV

NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=32.7-44.6 MeV; measured σ(θ) vs E; deduced isospin-even forward scattering amplitudes. Magnetic spectrometer.

doi: 10.1103/PhysRevC.51.2144
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1995JO08      Phys.Rev. C51, 2159 (1995)

Ch.Joram, M.Metzler, J.Jaki, W.Kluge, H.Matthay, R.Wieser, B.M.Barnett, R.Bilger, H.Clement, K.Fohl, K.Heitlinger, S.Krell, G.J.Wagner

Low-Energy Differential Cross Sections of Pion-Proton (π±p) Scattering. II. Phase Shifts at T(π) = 32.7, 45.1, and 68.6 MeV

NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=32.7-68.6 MeV; measured σ(θ) vs E; deduced S- and P-wave phase shifts. Magnetic spectrometer.

doi: 10.1103/PhysRevC.51.2159
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1995KH05      Phys.Rev.Lett. 74, 34 (1995)

D.T.Khoa, W.von Oertzen, H.G.Bohlen, G.Bartnitzky, H.Clement, Y.Sugiyama, B.Gebauer, A.N.Ostrowski, Th.Wilpert, M.Wilpert, C.Langner

Equation of State of Cold Nuclear Matter from Refractive 16O + 16O Elastic Scattering

NUCLEAR REACTIONS 16O(16O, 16O), E=145-480 MeV; measured σ(θ); deduced cold nuclear matter equation of state features. Folding analysis, effective density dependent interaction, refractive scattering.

doi: 10.1103/PhysRevLett.74.34
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1698.


1994BI04      Phys.Rev.Lett. 72, 2972 (1994)

R.Bilger, H.A.Clement, M.G.Schepkin

Bilger, Clement, and Schepkin Reply

doi: 10.1103/PhysRevLett.72.2972
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1994CL04      Phys.Lett. 337B, 43 (1994)

H.Clement, M.Schepkin, G.J.Wagner, O.Zaboronsky

On the Production of a Narrow πNN Resonance in Low Energy Pionic DCX on He Isotopes

NUCLEAR REACTIONS 3,4He(π+, π-), (π-, π+), E ≈ threshold-300 MeV; analyzed σ(E). 3He(π-, π+), E ≈ threshold-150 MeV; calculated σ(E); deduced πNN(d') resonance production σ.

doi: 10.1016/0370-2693(94)91440-0
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1993BI10      Phys.Rev.Lett. 71, 42 (1993)

R.Bilger, H.A.Clement, M.G.Schepkin

Signature of a πNN Resonance in Pionic Double Charge Exchange at Low Energies

NUCLEAR REACTIONS 14C, 18O, 42,44,48Ca(π+, π-), E ≈ 20-300 MeV; analyzed σ(θ) vs E. 34S, 26Mg(π+, π-), E=50 MeV; analyzed σ(θ); deduced πNN subsystem resonance evidence.

doi: 10.1103/PhysRevLett.71.42
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1993CL03      Nucl.Phys. A553, 589c (1993)

H.Clement, R.Bilger, B.Broermann, R.Emmrich, K.Fohl, K.Heitlinger, C.Joram, W.Kluge, M.Moll, D.Reule, M.Schepkin, G.J.Wagner, R.Wieser, R.Abela, F.Foroughi, D.Renker

Resonance-Like Behaviour of the Pionic Double Charge Exchange at Low Energies

NUCLEAR REACTIONS 12C, 56Fe, 42Ca(π+, π-), E ≤ 200 MeV; analyzed σ(θ) data; deduced possible resonances in πNN-subsystem.

doi: 10.1016/0375-9474(93)90664-J
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1993RO29      Acta Phys.Pol. B24, 1629 (1993)

E.Roderburg, R.Bilger, H.Brand, S.Brand, H.Clement, M.Dahmen, P.Cloth, V.Druke, W.Eyrich, H.Freiesleben, D.Filges, P.Jahn, K.Kilian, M.Kirsch, H.Koch, R.A.Kraft, J.Krug, E.Kuhlmann, S.Lange, H.Machner, H.Matthay, P.Michel, K.Moller, H.P.Morsch, C.Nake, B.Naumann, L.Naumann, W.Oelert, N.Paul, P.Ringe, E.Roderburg, K.Rohrich, A.Roser, M.Rogge, G.Schmidt, T.Sefzick, M.Steinke, F.Stinzing, V.Stobik, R.Stratmann, P.Turek, S.Wirtz, and the COSY-TOF Collaboration

Studies of (Eta) and (Eta') Measurements with the Time of Flight Spectrometer at COSY

NUCLEAR REACTIONS 2H(p, X), E at 0.88-1.5 GeV/c; compiled, reviewed, calculated eta production data. Monte Carlo simulations.


1992BI04      Z.Phys. A343, 491 (1992)

R.Bilger, H.Clement, K.Fohl, K.Heitlinger, C.Joram, W.Kluge, M.Schepkin, G.J.Wagner, R.Wieser, R.Abela, F.Foroughi, D.Renker

Evidence for a Dibaryon Resonance in the Pionic Double Charge Exchange

NUCLEAR REACTIONS 12C(π+, π-), E=59 MeV; 56Fe(π+, π-), E=49 MeV; analyzed σ(θ); 12C, 56Fe(π+, π-), E < 200 MeV; analyzed σ(θ=5°) vs E; deduced dibaryon resonance evidence, possible J, π.

doi: 10.1007/BF01289829
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1991BI07      Phys.Lett. 269B, 247 (1991)

R.Bilger, B.M.Barnett, H.Clement, S.Krell, G.J.Wagner, J.Jaki, C.Joram, T.Kirchner, W.Kluge, M.Metzler, R.Wieser, D.Renker

Measurement of Pion Induced Double Charge Exchange on 34S and 56Fe at T(π) = 50 MeV

NUCLEAR REACTIONS 56Fe, 34S(π+, π-), E=50 MeV; measured σ(θ). 56Ni deduced levels, nonanalog transitions.

doi: 10.1016/0370-2693(91)90164-L
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1991ER03      Nucl.Phys. A533, 71 (1991)

M.Ermer, H.Clement, G.Holetzke, W.Kabitzke, G.Graw, R.Hertenberger, H.Kader, F.Merz, P.Schiemenz

The Deuteron Optical Potential at Low Energies

NUCLEAR REACTIONS 16O, 48Ca, 90Zr, 112,116,120,122,124Sn, 58Ni, 208Pb(polarized d, d), E=19-24 MeV; measured σ(θ), iT11(θ); deduced conventional, model-unrestricted scattering potentials. Single-, double-folding calculations.

doi: 10.1016/0375-9474(91)90820-V
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1991KH08      Phys.Lett. 260B, 278 (1991)

D.T.Khoa, W.von Oertzen, A.Faessler, M.Ermer, H.Clement

Pauli Exchange Effects in the Elastic Scattering of 16O + 16O

NUCLEAR REACTIONS 16O(16O, 16O), E=350 MeV; calculated σ(θ); deduced model parameters. Generalized double folding model.

doi: 10.1016/0370-2693(91)91612-Y
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1991KR06      Europhys.Lett. 15, 11 (1991)

S.Krell, B.M.Barnett, H.Clement, J.Jaki, R.R.Johnson, C.Joram, W.Kluge, H.Matthay, M.Metzler, D.Renker, G.J.Wagner

Precision Measurements of Low-Energy Pion Scattering on Sulphur Isotopes

NUCLEAR REACTIONS 32,34S(π+, π+), (π+, π+'), (π-, π-'), (π-, π-), E=50 MeV; measured σ(θ). 32,34S deduced neutron rms radii difference. High precision. DWIA with, without Coulomb excitation.

doi: 10.1209/0295-5075/15/1/003
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1990BA54      Nucl.Instrum.Methods Phys.Res. A297, 444 (1990)

B.M.Barnett, S.Krell, H.Clement, G.J.Wagner, J.Jaki, Ch.Joram, W.Kluge, H.Matthay, M.Metzler

Normalisation of Scattering Cross Sections for Low-Energy Pions

NUCLEAR REACTIONS 32S(e+, e+), (e-, e-), (μ+, μ+), (μ-, μ-), E at 128.28 MeV/c; calculated σ(θ); deduced relative σ normalization for low energy pion scattering.

doi: 10.1016/0168-9002(90)91327-8
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1990ER09      J.Phys.(Paris), Colloq.C-6, 431 (1990)

M.Ermer, H.Clement, P.Grabmayr, G.Graw, R.Hertenberger, H.Kader, G.J.Wagner

Model-Unrestricted Analysis of Light-Ion Scattering between 10 and 350 MeV/N and Its Interpretation by Double-Folding Calculations

NUCLEAR REACTIONS 58Ni(polarized d, d), E=20-700 MeV; 40Ca(polarized p, p), E=30 MeV; 40Ca(polarized d, d), E=52 MeV; 40Ca(polarized 3He, 3He), E=33 MeV; analyzed data. Model-unrestricted analysis.


1990HE28      Phys.Lett. 250B, 15 (1990)

N.Heberle, H.Clement, M.Ermer, P.Grabmayr, M.Hammans, R.Henneck, I.Sick

The 3He-Scattering Potential from a Model-Unrestricted Analysis of 3He + 208Pb and Its Interpretation in the Folding Model

NUCLEAR REACTIONS 208Pb(3He, 3He), E=49, 130 MeV; measured σ(θ); deduced model potential parameters.

doi: 10.1016/0370-2693(90)91146-3
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1990JA05      Phys.Lett. 238B, 36 (1990)

J.Jaki, B.M.Barnett, H.Clement, W.Gyles, R.R.Johnson, Ch.Joram, W.Kluge, S.Krell, H.Matthay, M.Metzler, D.Renker, R.Tacik, G.J.Wagner, C.A.Wiedner, U.Wiedner

Isospin Mixing of the 1+ Doublet in 12C Determined by Low-Energy Pion Scattering

NUCLEAR REACTIONS 12C(π+, π+'), (π-, π-'), (π+, π+), (π-, π-), E=50 MeV; measured σ(θ). 12C levels deduced isospin mixing features.

doi: 10.1016/0370-2693(90)92096-2
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1989EC01      Nucl.Phys. A491, 205 (1989)

G.Eckle, H.Kader, H.Clement, F.J.Eckle, F.Merz, R.Hertenberger, H.J.Maier, P.Schiemenz, G.Graw

A 36S(d, p) Study with High Energy Resolution

NUCLEAR REACTIONS 36S(polarized d, p), E=20 MeV; measured σ(θ), analyzing power vs θ. 31S deduced levels, J, π, spectroscopic factors. 36S, 40Ca(polarized d, d'), E=23 MeV; measured σ(θ), analyzing power vs θ. 36S, 40Ca levels deduced neutron, proton transition moments.

doi: 10.1016/0375-9474(89)90699-4
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