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NSR database version of April 11, 2024.

Search: Author = R.Olszewski

Found 21 matches.

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1997FE01      Phys.Rev. C55, 19 (1997)

A.Feltham, G.Jones, R.Olszewski, M.Pavan, M.Sevior, R.P.Trelle, P.Weber, G.J.Lolos, E.L.Mathie, Z.Papandreou, R.Rui, D.Gill, D.Healey, D.Ottewell, G.Sheffer, G.R.Smith, V.Sossi, G.Wait, P.Walden

Spin-Transfer Measurements of the πd(pol) p(pol)p Reaction Energies Spanning the Δ Resonance

NUCLEAR REACTIONS 2H(π, p), E=105-255 MeV; measured proton polarization, analyzing power, spin transfer observables. Polarized target.

doi: 10.1103/PhysRevC.55.19
Citations: PlumX Metrics


1991FE05      Phys.Rev.Lett. 66, 2573 (1991)

A.Feltham, R.P.Trelle, G.Jones, D.Gill, D.Healey, G.J.Lolos, E.L.Mathie, R.Olszewski, D.Ottewell, Z.Papandreou, M.Pavan, R.Rui, M.Sevior, G.R.Smith, V.Sossi, G.Wait, P.Walden, P.Weber

Spin-Transfer Measurements of the πd(pol) → p(pol)p Reaction Spanning the Δ Resonance

NUCLEAR REACTIONS 2H(π, p), E=105-255 MeV; measured polarization observables. Polarized target.

doi: 10.1103/PhysRevLett.66.2573
Citations: PlumX Metrics


1991WE04      Phys.Rev. C43, 1553 (1991)

P.Weber, J.McAlister, R.Olszewski, A.Feltham, M.Hanna, R.R.Johnson, M.Pavan, C.Ponting, F.M.Rozon, M.Sevior, V.Sossi, D.Vetterli, D.Humphrey, G.J.Lolos, Z.Papandreou, R.Tacik, D.Ottewell, G.Sheffer, G.R.Smith, Y.Mardor, S.May-Tal

Multinucleon Pion Absorption in the 4He(π+, ppp)n Reaction

NUCLEAR REACTIONS 4He(π+, 3p), E=165 MeV; measured σ(θp1, θp2, θp3), missing momentum distributions, energy spectra; deduced 3p emission, pion absorption mechanism.

doi: 10.1103/PhysRevC.43.1553
Citations: PlumX Metrics


1990MA79      J.Phys.(Paris), Colloq.C-6, 383 (1990)

E.L.Mathie, D.M.Yeomans, G.M.Huber, G.J.Lolos, S.I.H.Naqvi, V.Pafilis, Z.Papandreou, A.Feltham, R.Olszewski, G.Jones, M.Pavan, M.Sevior, R.P.Trelle, P.Weber, D.Gill, D.Healey, D.F.Ottewell, G.R.Smith, G.Wait, P.Walden, R.Rui

Polarization Measurements in Pion Deuteron Breakup and Absorption

NUCLEAR REACTIONS 2H(π, πnp), E not given; measured tensor analyzing power vs proton momentum. Faddeev model analyses. Polarized target.


1989GR05      Nucl.Phys. A492, 509 (1989)

N.Grion, R.Rui, F.M.Rozon, M.Hanna, R.R.Johnson, J.McAlister, R.Olszewski, C.Ponting, M.E.Sevior, V.Sossi, D.R.Gill, G.Sheffer, M.J.Vincente-Vacas, E.Oset

Pion Production by Pions in the 16O(π+, π+π-) Reaction at T(π)+ = 280 MeV

NUCLEAR REACTIONS 16O(π+, π+π-), E=280 MeV; measured σ(θ(π)+, θ(π)-, Eπ+, Eπ-); deduced σ, missing mass.

doi: 10.1016/0375-9474(89)90107-3
Citations: PlumX Metrics


1989ME07      Phys.Rev. C40, 843 (1989)

O.Meirav, E.Friedman, R.R.Johnson, R.Olszewski, P.Weber

Low Energy Pion-Nucleus Potentials from Differential and Integral Data

NUCLEAR REACTIONS Si, Ni(π+, X), (π-, X), E=50 MeV; Ni(π-, X), (π+, X), E=65 MeV; C, Ca, Zr, Pb(π+, X), (π-, X), E=80 MeV; measured reaction σ; deduced model parmeters. Analysis of other data.

doi: 10.1103/PhysRevC.40.843
Citations: PlumX Metrics


1989PO11      Phys.Rev.Lett. 63, 1792 (1989)

C.Ponting, D.A.Hutcheon, M.A.Moinester, P.L.Walden, D.R.Gill, R.R.Johnson, F.Duncan, G.Sheffer, P.Weber, V.Sossi, A.Feltham, M.Hanna, R.Olszewski, M.Pavan, F.M.Rozon, M.Sevior, D.Ashery, R.P.Trelle, H.Hahn, B.Mayer

Analyzing-Power Measurement in p(pol)n → π-pp(1S0): Pion absorption by quark clusters ( Question )

NUCLEAR REACTIONS 2H(polarized p, 2pπ-), E=400 MeV; measured analyzing power vs (θ(π)); deduced nucleon-nucleon interaction short range component role.

doi: 10.1103/PhysRevLett.63.1792
Citations: PlumX Metrics


1989WE11      Phys.Lett. 230B, 31 (1989)

P.Weber, J.McAlister, R.Olszewski, A.Feltham, M.Hanna, D.Humphrey, R.R.Johnson, G.J.Lolos, Y.Mardor, S.May-Tal, D.Ottewell, Z.Papandreou, M.Pavan, C.Ponting, F.M.Rozon, M.Sevior, G.Sheffer, G.R.Smith, V.Sossi, R.Tacik, D.Vetterli

Multi-Nucleon Pion Absorption in the 4He(π+, ppp)n Reaction

NUCLEAR REACTIONS 4He(π+, 3p), E=165 MeV; measured proton triple coincidences, σ(θ); deduced pion absorption mechanism. Kinematically complete experiment.

doi: 10.1016/0370-2693(89)91648-1
Citations: PlumX Metrics


1989WE14      Phys.Lett. 233B, 281 (1989)

P.Weber, J.McAlister, R.Olszewski, A.Feltham, M.Hanna, D.Humphrey, R.R.Johnson, G.J.Lolos, Y.Mardor, S.May-Tal, D.Ottewell, Z.Papandreou, M.Pavan, C.Ponting, F.M.Rozon, M.Sevior, G.Sheffer, G.R.Smith, V.Sossi, R.Tacik, D.Vetterli

Multi-Nucleon Pion Absorption in the 4He(π+, ppp)n Reaction

NUCLEAR REACTIONS 4He(π+, 3p), E=165 MeV; measured σ(θ1, θ2, θ3); deduced pion absorption mechanism. Kinematically complete experiment.

doi: 10.1016/0370-2693(89)91310-5
Citations: PlumX Metrics


1988BA27      Phys.Rev. C37, 2892 (1988)

R.Baran, J.Gotz, A.Hofmann, D.Malz, R.Muller, R.Olszewski, H.W.Ortner, D.Dehnhard

Excitation Function of the 15.11 MeV (1+, T=1) State in 12C from (π, π'γ) Angular Correlations

NUCLEAR REACTIONS 12C(π, π'γ), E=116, 140, 162, 180, 226 MeV; measured σ(E(π)), πγ-coin. 12C levels deduced relative σ(ratio) vs E.

doi: 10.1103/PhysRevC.37.2892
Citations: PlumX Metrics


1988OL02      Phys.Rev. C37, 2665 (1988)

R.Olszewski, R.Baran, A.Hofmann, S.Krell, H.W.Ortner, J.Orzechowsky, G.Schmidtlein, F.Vogler, W.List, G.R.Smith, D.Dehnhard, M.Thies

Medium Effects in (π, π'γ) Angular Correlations on 12C(2+)

NUCLEAR REACTIONS 12C(π, π'γ), E=116, 140, 162, 180, 226 MeV; measured π(γ)-coin, πγ(θ). Isobar-hole model.

doi: 10.1103/PhysRevC.37.2665
Citations: PlumX Metrics


1988SM04      Phys.Rev. C38, 240 (1988)

G.R.Smith, D.R.Gill, D.Ottewell, G.D.Wait, P.Walden, R.R.Johnson, R.Olszewski, R.Rui, M.E.Sevior, R.P.Trelle, J.Brack, J.J.Kraushaar, R.A.Ristinen, H.Chase, E.L.Mathie, V.Pafilis, R.B.Schubank, N.R.Stevenson, A.Rinat, Y.Alexander

Energy Dependence of the Charge Asymmetry A(T(π), θ) in πd Elastic Scattering

NUCLEAR REACTIONS 2H(π+, π+), (π-, π-), E=143-256 MeV; measured charge asymmetry vs E, θ; deduced Δ-isobar parameters.

doi: 10.1103/PhysRevC.38.240
Citations: PlumX Metrics


1988SM05      Phys.Rev. C38, 251 (1988)

G.R.Smith, D.R.Gill, D.Healey, D.Ottewell, G.D.Wait, P.Walden, R.R.Johnson, G.Jones, R.Olszewski, F.M.Rozon, R.Rui, M.E.Sevior, R.P.Trelle, E.L.Mathie, G.Lolos, S.I.H.Naqvi, V.Pafilis, N.R.Stevenson, R.B.Schubank, W.Gyles, C.R.Ottermann, G.S.Kyle

Energy Dependence of T20 and τ21 in πd(pol) Elastic Scattering

NUCLEAR REACTIONS 2H(π, π), E=134-256 MeV; measured tensor analyzing power vs θ; deduced pion absorption role. Tensor polarized target.

doi: 10.1103/PhysRevC.38.251
Citations: PlumX Metrics


1987GR23      Phys.Rev.Lett. 59, 1080 (1987)

N.Grion, R.Rui, F.M.Rozon, T.Anderl, J.Ernst, D.R.Gill, M.Hanna, J.J.Kraushaar, R.R.Johnson, R.Olszewski, M.E.Sevior, G.Sheffer, G.R.Smith, R.P.Trelle, Z.Wu

Measurement of the 16O(π+, π+π-) Reaction at T(π+) = 280 MeV

NUCLEAR REACTIONS 16O(π+, π+π-), E=280 MeV; measured σ(E(π+), θ(π+), θ(π-)), σ(E(π+)). Tof.

doi: 10.1103/PhysRevLett.59.1080
Citations: PlumX Metrics


1987KR06      Nucl.Instrum.Methods Phys.Res. A255, 531 (1987)

S.Krell, A.Hofmann, R.Olszewski, H.W.Ortner, F.Vogler

Determination of the Efficiency of Gamma Detectors from Particle-Gamma Angular Correlations

NUCLEAR REACTIONS 12C(α, α'γ), E=11 MeV; measured αγ(θ, φ); deduced detector efficiency.

doi: 10.1016/0168-9002(87)91223-X
Citations: PlumX Metrics


1987SM04      Phys.Rev. C35, 2343 (1987)

G.R.Smith, D.R.Gill, D.Healey, D.Ottewell, G.D.Wait, P.Walden, R.R.Johnson, G.Jones, R.Olszewski, F.M.Rozon, R.Rui, M.E.Sevior, R.P.Trelle, E.L.Mathie, G.J.Lolos, C.R.Ottermann, W.Gyles, G.S.Kyle

Measurement of the Tensor Analyzing Power T21 in πd Elastic Scattering

NUCLEAR REACTIONS 2H(π, π), E=180 MeV; measured σ(Ed), T21(θ). Polarized target. Faddeev calculations.

doi: 10.1103/PhysRevC.35.2343
Citations: PlumX Metrics


1986OL07      Phys.Rev.Lett. 57, 2143 (1986)

R.Olszewski, R.Baran, A.Hofmann, S.Krell, H.W.Ortner, J.Orzechowski, G.Schmidtlein, F.Vogler, G.R.Smith, W.List, D.Dehnhard, M.Thies

Test of the Δ-Hole Model through the Energy Dependence of (π, π'γ) Angular Correlations on 12C

NUCLEAR REACTIONS 12C(π, π'γ), E=116, 140, 162, 180, 226 MeV; measured πγ(θ), πγ(φ); deduced isobar-nucleus dynamics role. NaI detectors. Isobar-hole model.

doi: 10.1103/PhysRevLett.57.2143
Citations: PlumX Metrics


1985MA17      Phys.Lett. 154B, 28 (1985)

E.L.Mathie, G.R.Smith, E.T.Boschitz, W.Gyles, C.R.Ottermann, S.Mango, J.A.Konter, A.Matsuyama, R.R.Johnson, R.Olszewski

First Measurement of iT11 in the Pion-Deuteron Breakup Reaction

NUCLEAR REACTIONS 2H(π+, π+p), E=228 MeV; measured σ(θ), iT11(θ), σ(θp, θ(π)) vs proton momentum. Polarized target, kinematically complete experiment.

doi: 10.1016/0370-2693(85)91561-8
Citations: PlumX Metrics


1984SM03      Phys.Rev. C29, 2206 (1984)

G.R.Smith, E.L.Mathie, E.T.Boschitz, C.R.Ottermann, S.Mango, J.A.Konter, M.Daum, M.Meyer, R.Olszewski, F.Vogler

Measurements of the Vector Analyzing Power iT11 in the πd(pol) Elastic Scattering Reaction between 117 and 325 MeV

NUCLEAR REACTIONS 2H(π+, π+), E=117-325 MeV; measured iT11(θ) vs E; deduced dibaryon resonance effects. Vector polarized target. Faddeev calculation comparison.

doi: 10.1103/PhysRevC.29.2206
Citations: PlumX Metrics


1984SM06      Phys.Rev. C30, 980 (1984)

G.R.Smith, E.L.Mathie, E.T.Boschitz, C.R.Ottermann, W.Gyles, W.List, S.Mango, J.A.Konter, B.van den Brandt, R.Olszewski, R.R.Johnson

Vector Analyzing Power iT11 in the πd → 2p Reaction between 112 and 325 MeV

NUCLEAR REACTIONS 2H(π, 2p), E=112-325 MeV; measured recoil deuteron iT11(θ). Faddeev calculation comparison.

doi: 10.1103/PhysRevC.30.980
Citations: PlumX Metrics


1984VO04      Phys.Lett. 134B, 161 (1984)

F.Vogler, R.Olszewski, M.Meyer, E.L.Mathie, G.R.Smith, E.Boschitz, S.Chakravarti, D.Dehnhard, M.Thies

Measurement of the 12C(π, π'γ)12C(2+, T = 0; 4.44 MeV) Angular Correlations: A test of the isobar-hole model

NUCLEAR REACTIONS 12C(π+, π+'), E=162 MeV; measured σ(θ), σ(θπ, θγ); deduced isobar-hole model validity.

doi: 10.1016/0370-2693(84)90662-2
Citations: PlumX Metrics


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