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NSR database version of April 11, 2024.

Search: Author = V.Sossi

Found 19 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


1994KO06      Phys.Rev. C49, 1715 (1994)

M.Kohler, B.E.King, N.R.Stevenson, R.B.Schubank, Y.M.Shin, R.A.Ristinen, P.Amaudruz, P.P.J.Delheij, D.C.Healey, B.K.Jennings, D.F.Ottewell, G.Sheffer, G.R.Smith, G.D.Wait, J.T.Brack, A.Feltham, M.Hanna, R.R.Johnson, F.M.Rozon, V.Sossi, D.Vetterli, P.Weber, N.Grion, R.Rui, E.L.Mathie, R.Tacik, M.Yeomans, C.A.Gossett, G.J.Wagner, J.M.Lee, K.S.Chung

Vector Analyzing Power iT11 in πd Elastic Scattering at 49 MeV

NUCLEAR REACTIONS 2H(π+, π+), (π-, π-), E=49 MeV; measured iT11(θ); deduced πNP11 amplitude role. Model comparison. Dynamically polarized target, magnetic spectrometer.

doi: 10.1103/PhysRevC.49.1715
Citations: PlumX Metrics


1993SE10      Phys.Rev. D48, 3987 (1993)

M.E.Sevior, A.Ambardar, J.T.Brack, P.Camerini, F.Duncan, J.Ernst, A.Feltham, N.Grion, R.R.Johnson, G.Koch, O.Meirav, D.F.Ottewell, R.Rui, G.R.Smith, V.Sossi, D.Theis, D.Vetterli

Experimental Study of the Near Threshold π+p → π+π+n Cross Section and Chiral Symmetry

NUCLEAR REACTIONS 1H(π+, 2π+), E=180-200 MeV; measured σ(E); deduced ππ-amplitude, scattering length. Quark loop anomalies dominance model.

doi: 10.1103/PhysRevD.48.3987
Citations: PlumX Metrics


1993SO01      Phys.Lett. 298B, 287 (1993)

V.Sossi, N.Fazel, R.R.Johnson, M.J.Vicente-Vacas

1H(π, 2π) Cross Sections with ππ Scattering Derived from Chiral Lagrangians

NUCLEAR REACTIONS 1H(π+, 2π+), (π-, π-π0), (π+, π+π0), E ≈ 180-370 MeV; calculated σ(E). Isobar model, ππ-scattering from chiral Lagrangians.

doi: 10.1016/0370-2693(93)91822-5
Citations: PlumX Metrics


1992BR02      Phys.Rev. C45, 698 (1992)

J.T.Brack, A.Feltham, R.R.Johnson, G.Jones, M.A.Kermani, O.Meirav, M.Pavan, M.E.Sevior, V.Sossi, D.Vetterli, P.Weber, G.R.Smith, P.A.Amaudruz, D.Healey, D.F.Ottewell, Y.S.Wu, X.Y.Chen, S.Hoibraten, M.D.Kohler, J.J.Kraushaar, R.A.Ristinen, W.R.Smythe, E.L.Mathie, D.M.Yeomans, R.Schubank, N.R.Stevenson, E.F.Gibson

Analyzing Powers for π±-13C(pol) Scattering at T(π) = 100 MeV

NUCLEAR REACTIONS 13C(π+, π+), (π-, π-), (π+, π+'), (π-, π-'), E=100 MeV; measured analyzing power. Polarized target. Model analysis.

doi: 10.1103/PhysRevC.45.698
Citations: PlumX Metrics


1992SO16      Nucl.Phys. A548, 562 (1992)

V.Sossi, M.J.Iqbal, R.R.Johnson, G.Jones, M.Pavan, F.M.Rozon, M.Sevior, D.Vetterli, P.Weber, G.Sheffer, G.R.Smith, P.Camerini, N.Grion, R.Rui, N.R.Stevenson, M.J.Vicente-Vacas

Pion-Induced Pion Production on Deuterium: A quasifree process

NUCLEAR REACTIONS 2H(π+, π-), E=280 MeV; measured σ(θ(π+), θ(π-), E(π+), E(π-)). Comparison with isobar model with Fermi motion.

doi: 10.1016/0375-9474(92)90642-W
Citations: PlumX Metrics


1992VE04      Nucl.Phys. A548, 541 (1992)

D.Vetterli, R.R.Johnson, O.Meirav, M.E.Sevior, V.Sossi, P.Weber, P.Camerini, N.Grion, R.Rui, F.M.Rozon, P.Amaudruz, D.Ottewell, G.Sheffer, G.R.Smith, N.R.Stevenson, M.J.Vicente-Vacas

π+π- Coincidence Measurement in the 4He(π+, π+π-) Reaction at T(π+) = 280 MeV

NUCLEAR REACTIONS 4He(π+, π+π-), E=280 MeV; measured σ(θπ+, θπ-, Eπ+, Eπ-); deduced σ.

doi: 10.1016/0375-9474(92)90641-V
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


1991SE07      Phys.Rev.Lett. 66, 2569 (1991)

M.E.Sevior, A.Ambardar, J.T.Brack, P.Camerini, F.Duncan, J.Ernst, A.Feltham, N.Grion, R.R.Johnson, G.Koch, O.Meirav, D.F.Ottewell, R.Rui, G.R.Smith, V.Sossi, D.Theis, D.Vetterli

Measurement of the Near-Threshold H(π+, π+π+)n Cross Section and Chiral Symmetry

NUCLEAR REACTIONS 1H(π+, 2π+), E=180-200 MeV; measured σ(E); deduced ππ scattering length. Chiral pertubation theory, quark loop anomalies dominance.

doi: 10.1103/PhysRevLett.66.2569
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


1990RU04      Nucl.Phys. A508, 551c (1990)

R.Rui, P.Camerini, N.Grion, R.R.Johnson, V.Sossi, M.J.Vicente-Vacas

The (π, 2π) Reaction on Few Body Systems

NUCLEAR REACTIONS 2H(π+, π+π-), E at 395 MeV/c; measured σ(θ(π+), E(π+), θ(π-), E(π+)); deduced chiral symmetry breaking parameters. Model comprison.

doi: 10.1016/0375-9474(90)90517-P
Citations: PlumX Metrics


1990RU09      Nucl.Phys. A517, 455 (1990)

R.Rui, P.Camerini, N.Grion, R.R.Johnson, M.Pavan, F.M.Rozon, V.Sossi, D.Ottewell, G.Sheffer, G.Smith, N.R.Stevenson, M.J.Vicente-Vacas

π+π- Coincidence Measurement in the π+d → π+π-pp Reaction at Tπ+ = 280 MeV

NUCLEAR REACTIONS 2H(π+, π+π-), E=280 MeV; measured σ(θπ+, θπ-, Eπ+, Eπ-); deduced σ.

doi: 10.1016/0375-9474(90)90211-4
Citations: PlumX Metrics


1990ST24      Phys.Rev.Lett. 65, 1987 (1990)

N.R.Stevenson, R.B.Schubank, Y.M.Shin, P.Amaudruz, P.P.J.Delheij, D.C.Healey, B.K.Jennings, D.F.Ottewell, G.Sheffer, G.R.Smith, G.D.Wait, J.T.Brack, A.Feltham, M.Hanna, R.R.Johnson, F.M.Rozon, V.Sossi, D.Vetterli, P.Weber, N.Grion, R.Rui, M.Kohler, R.A.Ristinen, E.L.Mathie, R.Tacik, M.Yeomans, C.A.Gossett, G.J.Wagner

Role of the πN P11 Interaction in πd Elastic Scattering at 50 MeV

NUCLEAR REACTIONS 2H(π+, π+), E=50 MeV; measured iT11(θ); deduced πN(P11) interaction amplitude role. Dynamically polarized target.

doi: 10.1103/PhysRevLett.65.1987
Citations: PlumX Metrics


1990ST33      J.Phys.(Paris), Colloq.C-6, 391 (1990)

N.R.Stevenson, R.B.Schubank, Y.M.Shin, P.Amaudruz, P.P.J.Delheij, D.C.Healey, B.K.Jennings, D.F.Ottewell, G.Sheffer, G.R.Smith, G.D.Wait, N.Grion, R.Rui, J.T.Brack, A.Feltham, M.Hanna, R.R.Johnson, F.M.Rozon, V.Sossi, D.Vetterli, P.Weber, M.Kohler, R.A.Ristinen, E.L.Mathie, R.Tacik, M.Yeomans, C.A.Gossett, G.J.Wagner, B.E.King

Analyzing Power Measurements in πd Elastic Scattering at 50 MeV

NUCLEAR REACTIONS 2H(π, π), E=50 MeV; measured iT11(θ); deduced πN(P11) potential role.


1989DA20      Nucl.Phys. A505, 561 (1989)

S.Dalla Torre-Colautti, R.Birsa, F.Bradamante, M.Giorgi, L.Lanceri, A.Martin, A.Penzo, P.Schiavon, V.Sossi, A.Villari, H.Azaiez, K.Kuroda, A.Michalowicz, F.Lehar

Measurement of the Polarization of the Proton-Proton Elastic Reaction at Small Scattering Angles between 940 and 2440 MeV

NUCLEAR REACTIONS 1H(polarized p, p), E=0.94-2.44 GeV; measured asymmetry vs θ, polarization vs θ. Phase shift calculation comparison.

doi: 10.1016/0375-9474(89)90032-8
Citations: PlumX Metrics


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


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


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