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NSR database version of May 2, 2024.

Search: Author = R.Meier

Found 46 matches.

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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
Citations: PlumX Metrics

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⁺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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2005GR28      Nucl.Phys. A763, 80 (2005)

N.Grion, M.Bregant, P.Camerini, E.Fragiacomo, S.Piano, R.Rui, E.F.Gibson, G.Hofman, E.L.Mathie, R.Meier, M.E.Sevior, G.R.Smith, R.Tacik, for the CHAOS Collaboration

The π → ππ process in nuclei and the restoration of chiral symmetry

NUCLEAR REACTIONS ¹H(π^-, π⁺π^-), (π⁺, 2π⁺), E=243, 264, 284, 305 MeV; ²H, ¹²C, ⁴⁰Ca, ²⁰⁸Pb(π⁺, 2π⁺), (π⁺, π⁺π^-), E=283 MeV; Sc(π⁺, 2π⁺X), (π⁺, π⁺π^-X), E=243, 264, 284, 305 MeV; measured invariant mass distributions, σ(θ), correlations; deduced partial chiral symmetry restoration.

doi: 10.1016/j.nuclphysa.2005.08.017
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2004CA08      Nucl.Phys. A735, 89 (2004)

P.Camerini, E.Fragiacomo, N.Grion, S.Piano, R.Rui, J.Clark, L.Felawka, E.F.Gibson, G.Hofman, E.L.Mathie, R.Meier, G.Moloney, D.Ottewell, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

General properties of the pion production reaction in nuclear matter

NUCLEAR REACTIONS ⁴⁵Sc(π⁺, π⁺π^-), (π⁺, π⁺π^-p), (π⁺, 2π⁺), (π⁺, 2π⁺p), E=240-320 MeV; measured σ(E, θ), invariant mass, total σ; deduced reaction mechanism features. Comparison with previous results and model predictions.

doi: 10.1016/j.nuclphysa.2004.01.122
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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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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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2003HO12      Phys.Rev. C 68, 018202 (2003)

G.J.Hofman, J.Breitschopf, K.Craig, H.Denz, E.F.Gibson, E.L.Mathie, R.Meier, M.M.Pavan, C.M.Riedel, R.Tacik, G.J.Wagner

Analyzing powers for π^-p elastic scattering at 279 MeV

NUCLEAR REACTIONS ¹H(π^-, π^-), E=279 MeV; measured Ay(θ). Polarized target, comparison with model predictions.

doi: 10.1103/PhysRevC.68.018202
Citations: PlumX Metrics

2003ME23      Nucl.Phys. A721, 649c (2003)

R.Meier, for the CHAOS and LEPS Collaborations

Pion-Proton scattering at TRIUMF and PSI

doi: 10.1016/S0375-9474(03)01144-8
Citations: PlumX Metrics

2003SC17      Phys.Scr. T104, 147 (2003)

C.Schwarz, T.Barnes, D.Bettoni, R.Calabrese, W.Cassing, M.Duren, S.Ganzhur, A.Gillitzer, O.Hartmann, V.Hejny, P.Kienle, H.Koch, W.Kuhn, U.Lynen, R.Meier, V.Metag, P.Moskal, H.Orth, S.Paul, K.Peters, J.Pochodzalla, J.Ritman, M.Sapozhnikov, L.Schmitt, K.Seth, A.Sokolov, N.Vlassov, W.Weise, U.Wiedner

Physics with Antiprotons at the Future GSI Facility

doi: 10.1238/Physica.Topical.104a00147
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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
Citations: PlumX Metrics

2002PA41      Phys.Rev. C66, 025207 (2002)

J.D.Patterson, G.J.Hofman, J.T.Brack, P.Camerini, J.Clark, P.P.J.Delheij, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, B.Jamieson, E.L.Mathie, R.Meier, D.Ottewell, R.J.Peterson, K.Raywood, R.A.Ristinen, R.Rui, M.E.Sevior, G.R.Smith, R.Tacik, G.Tagliente, G.J.Wagner, D.M.Yeomans

Analyzing powers for πp elastic scattering between 57 and 139 MeV

NUCLEAR REACTIONS ¹H(π^-, π^-), E=57-139 MeV; ¹H(π⁺, π⁺), E=139 MeV; measured Ay(θ). Polarized target, comparison with previous results and model predictions.

doi: 10.1103/PhysRevC.66.025207
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2002SU20      Phys.Rev. C66, 034003 (2002)

G.Suft, W.Kretschmer, E.Boschitz, R.Meier, B.Brinkmoller, B.van den Brandt, P.Hautle, J.A.Konter, S.Mango, L.Mathelitsch, H.Garcilazo, W.Gruebler

Polarization Transfer Observables in πd Elastic Scattering

NUCLEAR REACTIONS ²H(π⁺, π⁺), E=134, 180 MeV; measured analyzing powers, polarization transfer observables. Polarized target, comparisons with previous results and model predictions.

doi: 10.1103/PhysRevC.66.034003
Citations: PlumX Metrics

2001CA53      Phys.Rev. C64, 067601 (2001)

P.Camerini, E.Fragiacomo, N.Grion, R.Rui, J.T.Brack, E.F.Gibson, G.J.Hofman, E.L.Mathie, R.Meier, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik

π→ππ Results in Nuclei

NUCLEAR REACTIONS ^1,2H, C, ²⁷Al, Cu(π^-, 2π⁰), E at 408 MeV/c; ²H, ¹²C, ⁴⁰Ca, ²⁰⁸Pb(π⁺, π⁺π^-), (π⁺, 2π⁺), E at 399 MeV/c; analyzed invariant mass distributions. Similarities between different data sets discussed.

doi: 10.1103/PhysRevC.64.067601
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2001KH19      Phys.Rev. C64, 064606 (2001)

M.G.Khayat, P.G.Roos, N.S.Chant, A.P.Dvoredsky, H.Breuer, J.J.Kelly, B.S.Flanders, T.M.Payerle, F.Adimi, T.Gu, J.Huffman, A.Klein, T.Dooling, T.Greco, G.S.Kyle, T.Chang, Z.Lin, M.Wang, R.Meier, S.Ritt, K.Koch, J.Konter, S.Kovalev, S.Mango, B.Van Den Brandt, J.Lawrie

Analyzing Power Reduction in Quasifree Pion-Nucleon Knockout Reactions

NUCLEAR REACTIONS ⁷Li(π⁺, π⁺'p), E=240 MeV; measured σ(E, θ), Ay(θ); deduced spin dependence in Δ-nucleus potential. Polarized target, DWIA calculations.

doi: 10.1103/PhysRevC.64.064606
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2001SU13      Nucl.Phys. A689, 406c (2001)

G.Suft, W.Beulertz, A.Bock, M.Frank, A.Glombik, J.Hey, B.Kowalzik, W.Kretschmer, S.Merz, H.Meyer, L.Sozuer, R.Weidmann, E.Boschitz, B.Brinkmoller, R.Meier, G.Mertens, B.van den Brandt, P.Hautle, J.A.Konter, S.Mango, L.Mathelitsch, H.Garcilazo, R.Tacik, P.Armaudruz, W.Gruebler

Measurement of Polarization Transfer in Pion-Deutron Elastic Scattering

NUCLEAR REACTIONS ²H(π⁺, π⁺), E=134, 180 MeV; measured polarization transfer observables. Polarized target, comparisons with model predictions.

doi: 10.1016/S0375-9474(01)00866-1
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2000BO38      Nucl.Phys. A677, 213 (2000)

F.Bonutti, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, J.T.Brack, L.Felawka, E.F.Gibson, G.Hofman, M.Kermani, E.L.Mathie, R.Meier, D.Ottewell, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

The ππ Interaction in Nuclear Matter from a Study of the π⁺A → π⁺π^± A' Reactions

NUCLEAR REACTIONS ²H, ¹²C, ⁴⁰Ca, ²⁰⁸Pb(π⁺, π⁺π^-), (π⁺, 2π⁺), E=283 MeV; measured two-pion invariant mass spectra, σ(θ); deduced medium modification effects.

doi: 10.1016/S0375-9474(00)00286-4
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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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1999BO25      Phys.Rev. C60, 018201 (1999)

F.Bonutti, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, J.T.Brack, L.Felawka, E.F.Gibson, G.Hofman, M.Kermani, E.L.Mathie, S.McFarland, R.Meier, K.Raywood, D.Ottewell, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

ππ Pairs in Nuclei and the σ Meson

NUCLEAR REACTIONS ²H, ¹²C, ¹⁶O, ⁴⁰Ca, ²⁰⁸Pb(π⁺, π⁺π^-), (π⁺, 2π⁺), E=283 MeV; measured σ; deduced in-medium correlation effects.

doi: 10.1103/PhysRevC.60.018201
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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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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

1998HO21      Phys.Rev. C58, 3484 (1998)

G.J.Hofman, G.R.Smith, T.Ambardar, F.Bonutti, J.T.Brack, P.Camerini, J.Clark, P.P.J.Delheij, F.Farzanpay, L.Felawka, E.Fragiacomo, E.F.Gibson, J.Graeter, N.Grion, M.Kermani, E.L.Mathie, R.Meier, D.Ottewell, R.J.Peterson, R.A.Ristinen, R.Rui, M.E.Sevior, H.Staudenmaier, R.Tacik, G.J.Wagner

Analyzing Powers for π^±p(pol) Elastic Scattering between 87 and 263 MeV

NUCLEAR REACTIONS ¹H(π⁺, π⁺), (π^-, π^-), E=87-267 MeV; measured Ay(θ); deduced phase shift analysis parameters. Polarized target.

doi: 10.1103/PhysRevC.58.3484
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1998KE06      Phys.Rev. C58, 3419 (1998)

M.Kermani, P.A.Amaudruz, F.Bonutti, J.T.Brack, P.Camerini, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, G.J.Hofman, R.R.Johnson, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.J.Raywood, R.Rui, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

Exclusive Measurements of π^±p → π⁺π^±n Near Threshold

NUCLEAR REACTIONS ¹H(π^-, π^-π⁺), (π⁺, 2π⁺), E=223, 243, 264, 284, 305 MeV; measured σ(θ(1)-θ(2)), σ(m²), σ(t), total σ; deduced model parameters.

doi: 10.1103/PhysRevC.58.3419
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1998KE07      Phys.Rev. C58, 3431 (1998)

M.Kermani, O.Patarakin, G.R.Smith, P.A.Amaudruz, F.Bonutti, J.T.Brack, P.Camerini, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, G.J.Hofman, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.J.Raywood, R.Rui, M.E.Sevior, R.Tacik, V.Mayorov, V.Tikhonov, and the CHAOS Collaboration

ππ → ππ Cross Sections Near Threshold

NUCLEAR REACTIONS ¹H(π^-, π^-π⁺), (π⁺, 2π⁺), E=223, 243, 264, 284 MeV; analyzed data; deduced pion-pion cross sections, scattering length.

doi: 10.1103/PhysRevC.58.3431
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1998KR04      Nucl.Phys. A631, 524c (1998)

W.Kretschmer, A.Glombik, G.Suft, R.Weidmann, E.Boschitz, B.Brinkmoller, R.Meier, B.van den Brandt, P.Hautle, J.A.Konter, S.Mango, R.Tacik, P.Amaudruz, C.Riedel, W.Gruebler

Polarization Transfer Observables in πd Elastic Scattering

NUCLEAR REACTIONS ²H(π⁺, π⁺), E=134, 180 MeV; measured T₂₀(θ). Polarized target.

doi: 10.1016/S0375-9474(98)00060-8
Citations: PlumX Metrics

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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1998SU12      Phys.Lett. 425B, 19 (1998)

G.Suft, P.Amaudruz, E.Boschitz, B.van den Brandt, B.Brinkmoller, A.Glombik, J.Goetz, W.Gruebler, P.Hautle, J.A.Konter, W.Kretschmer, M.Lauterbach, S.Mango, R.Meier, C.Riedel, R.Tacik, R.Weidmann

Polarization Transfer Observables in πd Elastic Scattering

NUCLEAR REACTIONS ²H(π⁺, π⁺), E=134, 180 MeV; measured analyzing power, polarization transfer observables vs θ. Phase shift analysis, Fadeev calculations. Polarized target.

doi: 10.1016/S0370-2693(98)00173-7
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1998TA02      Phys.Rev. C57, 1295 (1998)

R.Tacik, F.Farzanpay, E.L.Mathie, P.Amaudruz, J.T.Brack, L.Felawka, R.Meier, D.Ottewell, G.R.Smith, G.Hofman, M.Kermani, S.McFarland, K.Raywood, M.Sevior, F.Bonutti, P.Camerini, N.Grion, R.Rui, E.F.Gibson

Pion Absorption in ¹²C

NUCLEAR REACTIONS ¹²C(π⁺, 2p), (π⁺, 3p), E=200, 240, 280 MeV; measured protons σ(E, θ); deduced reaction mechanism.

doi: 10.1103/PhysRevC.57.1295
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1997BO15      Phys.Rev. C55, 2998 (1997)

F.Bonutti, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, J.T.Brack, L.Felawka, E.F.Gibson, G.Hofman, M.Kermani, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

Pion-Induced Pion Production in Nuclei

NUCLEAR REACTIONS ²H, ¹²C, ⁴⁰Ca, ²⁰⁸Pb(π⁺, π⁺π^-), (π⁺, π⁺π^-p), E at 283 MeV/c; measured missing mass, energy distributions; deduced pion production mechanism.

doi: 10.1103/PhysRevC.55.2998
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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.

1996BO09      Phys.Rev.Lett. 77, 603 (1996)

F.Bonutti, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, P.A.Amaudruz, J.T.Brack, L.Felawka, E.F.Gibson, G.J.Hofman, M.Kermani, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

A Dependence of the (π⁺, π⁺π±) Reaction Near the 2m(π) Threshold

NUCLEAR REACTIONS ²H, ¹²C, ⁴⁰Ca, ²⁰⁸Pb(π⁺, 2π⁺), (π⁺, π⁺π^-), E=282.7 MeV; measured double-pion invariant mass distribution; deduced ππ-interaction matter modification.

doi: 10.1103/PhysRevLett.77.603
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1996RA05      Phys.Rev. C53, 1005 (1996)

B.A.Raue, T.A.Greco, M.G.Khayat, F.Adimi, B.van den Brandt, H.Breuer, T.Chang, N.S.Chant, H.Chen, T.A.Dooling, A.P.Dvoredsky, B.S.Flanders, T.Gu, J.P.Haas, P.Hautle, J.Huffman, J.J.Kelly, A.Klein, K.Koch, J.A.Konter, A.I.Kovalev, G.S.Kyle, J.J.Lawrie, Z.Lin, S.Mango, P.Markowitz, R.Meier, T.Payerle, S.Ritt, P.G.Roos, M.Wang

Analyzing Powers for ¹H(pol)(π⁺, π⁺p) at T(π) = 165 and 240 MeV

NUCLEAR REACTIONS ¹H(π⁺, π⁺p), E=165, 240 MeV; measured analyzing power vs θ. Polarized target.

doi: 10.1103/PhysRevC.53.1005
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1995ME01      Phys.Rev. C51, 420 (1995)

R.Meier

Experimental Bounds for Spin Transfer Observables in πd Elastic Scattering

NUCLEAR REACTIONS ²H(π, π), E=134-294 MeV; analyzed σ, iT₁₁, T₂₀, τ₂₁, τ₂₂ data; deduced spin transfer observables bounds.

doi: 10.1103/PhysRevC.51.420
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1995WE05      Phys.Rev. C51, 2575 (1995)

M.Wessler, E.Boschitz, B.Brinkmoller, J.Buhler, H.Garcilazo, W.Gyles, W.List, R.Meier, S.Ritt, R.Tacik, J.A.Konter, D.Gill, S.Mango, D.Renker, B.van den Brandt, G.Wait, V.A.Efimovykh, A.I.Kovalev, A.N.Prokofiev, W.Thiel, B.Blankleider

Polarization Observables in πd(pol) Elastic Scattering: Analyzing powers τ₂₂ and iT₁₁ in the Forward Hemisphere

NUCLEAR REACTIONS ²H(π⁺, π⁺), E=100-294 MeV; measured analyzing powers, other observables. Polarized target, two different methods. Model comparison.

doi: 10.1103/PhysRevC.51.2575
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1994ME01      Phys.Rev. C49, 320 (1994)

R.Meier, E.Boschitz, B.Brinkmoller, J.Buhler, S.Ritt, M.Wessler, J.A.Konter, S.Mango, B.van den Brandt, V.A.Efimovykh, A.I.Kovalev, A.N.Prokofiev, V.V.Polyakov, P.Chaumette, J.Deregel, G.Durand, J.Fabre, R.Mach, R.Tacik

Vector Analyzing Power Measurement of Pion Scattering from Polarized ⁷Li in the Region of the Δ₃₃ Resonance

NUCLEAR REACTIONS ⁷Li(π⁺, π⁺), E=134, 164, 194 MeV; measured inclusive analyzing powers iT₁₁(θ), σ(θ). Polarized target. Coupled channels optical model.

doi: 10.1103/PhysRevC.49.320
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1994RI06      Phys.Rev. C49, 3117 (1994)

S.Ritt, E.Boschitz, B.Brinkmoller, J.Buhler, R.Meier, M.Wessler, J.A.Konter, S.Mango, B.van den Brandt, S.S.Kamalov, R.A.Eramzhyan, G.G.Ryzhikh

Polarization Observables in π^{+ 6}Li Scattering: Analyzing powers iT₁₁ and τ₂₂

NUCLEAR REACTIONS ⁶Li(π⁺, π⁺), (π⁺, π⁺'), E=120-194 MeV; measured σ(θ), iT₁₁(θ), T₂₂(θ), T₂₀(θ). Coupled-channels model analyses. Polarized target.

doi: 10.1103/PhysRevC.49.3117
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1991RI01      Phys.Rev. C43, 745 (1991)

S.Ritt, E.T.Boschitz, R.Meier, R.Tacik, M.Wessler, K.Junker, J.A.Konter, S.Mango, D.Renker, B.van den Brandt, V.Efimovykh, A.Kovaliov, A.Prokofev, R.Mach, P.Chaumette, J.Deregel, G.Durand, J.Fabre, W.Thiel

Measurement of the Vector Analyzing Power iT₁₁ in π⁺-⁶Li(pol) Scattering

NUCLEAR REACTIONS ⁶Li(π⁺, π⁺), (π⁺, π⁺'), E=100-219 MeV; measured σ(θ), vector analyzing power vs θ. Vector polarized ⁶LiD target. Model analyses.

doi: 10.1103/PhysRevC.43.745
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1990ME11      Phys.Rev. C42, 2222 (1990)

R.Meier, E.T.Boschitz, S.Ritt, R.Tacik, M.Wessler, J.A.Konter, S.Mango, D.Renker, B.van den Brandt, W.Meyer, W.Thiel, R.Mach, P.Amaudruz, R.R.Johnson, G.R.Smith, P.Weber

Pion Scattering from Polarized ¹⁵N at T(π) = 164 MeV

NUCLEAR REACTIONS ¹⁵N(π⁺, π⁺), (π⁺, π⁺'), E=164 MeV; measured σ(E(π)), σ(θ), analyzing power vs θ. Polarized ¹⁵NH₃ target. Momentum space coupled-channels formalism.

doi: 10.1103/PhysRevC.42.2222
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1989TA21      Phys.Rev.Lett. 63, 1784 (1989)

R.Tacik, E.T.Boschitz, R.Meier, S.Ritt, M.Wessler, K.Junker, J.A.Konter, S.Mango, D.Renker, B.van den Brandt, W.Meyer, W.Thiel, P.Chaumette, J.Deregel, G.Durand, J.Fabre, P.Amaudruz, R.R.Johnson, G.Smith, P.Weber, R.Mach

Spin Effects in π-Nucleus Scattering in the Region of the Δ(3, 3) Resonance

NUCLEAR REACTIONS ¹⁵N(π⁺, π⁺), (π⁺, π⁺'), E=164 MeV; ⁶Li(π⁺, π⁺), (π⁺, π⁺'), E=134, 164 MeV; measured σ(θ), vector, tensor analyzing power vs θ. Polarized targets.

doi: 10.1103/PhysRevLett.63.1784
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1954ME95      Helv.Phys.Acta 27, 577 (1954)

R.W.Meier, P.Scherrer, G.Trumpy

Elastic Scattering and Polarization of D-D Neutrons by Carbon

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset21043.

Note: The following list of authors and aliases matches the search parameter R.Meier: , R.W.MEIER