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NSR database version of April 27, 2024.

Search: Author = D.Vetterli

Found 25 matches.

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2001AM01      Nucl.Phys. A684, 386c (2001)

A.Ambardar, F.Duncan, A.Feltham, G.Hofman, R.R.Johnson, G.Jones, J.B.Lange, M.Pavan, K.J.Raywood, D.Vetterli, J.T.Brack, D.Ottewell, G.R.Smith, M.E.Sevior

Measurement of π p → ππ n Cross-Sections Near Threshold

NUCLEAR REACTIONS 1H(π-, π+π-), (π+, 2π+), E=176-200 MeV; measured σ; deduced reaction matrix elements, scattering lengths.

doi: 10.1016/S0375-9474(01)00403-1
Citations: PlumX Metrics

2000LA03      Phys.Rev. C61, 025201 (2000)

J.B.Lange, A.Ambardar, F.Duncan, A.Feltham, G.Hofman, R.R.Johnson, G.Jones, M.Pavan, K.J.Raywood, D.Vetterli, J.T.Brack, D.Ottewell, G.R.Smith, M.E.Sevior

Determination of the π±p → π±π+n Cross Section Near Threshold

NUCLEAR REACTIONS 1H(π-, π+π-), E=176-200 MeV; 1H(π+, 2π+), E=184, 200 MeV; measured total σ; deduced reaction matrix elements, scattering lengths. Heavy baryon chiral perturbation theory. Comparisons with previous results.

doi: 10.1103/PhysRevC.61.025201
Citations: PlumX Metrics

1998AN11      Nucl.Instrum.Methods Phys.Res. A404, 394 (1998)

H.Anklin, J.Jourdan, L.M.Qin, I.Sick, P.Trueb, D.Vetterli, B.Zihlmann, P.A.Schmelzbach

4He(d, d) Scattering as Polarization Standard

NUCLEAR REACTIONS 4He(polarized d, d), E=30-52 MeV; measured tensor analyzing power. Beam polarization calibration.

doi: 10.1016/S0168-9002(97)01164-9
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1380.

1998LA01      Phys.Rev.Lett. 80, 1597 (1998)

J.B.Lange, F.Duncan, A.Ambardar, A.Feltham, G.Hofman, R.R.Johnson, G.Jones, M.Pavan, K.J.Raywood, D.Vetterli, J.T.Brack, D.Ottewell, G.R.Smith, M.E.Sevior

Determination of the π± p → π±π+n Cross Section Near Threshold

NUCLEAR REACTIONS 1H(π-, nπ+π-), (π+, n2π+), E = 180-200 MeV; measured σ; deduced matrix elements, pion-pion scattering lengths.

doi: 10.1103/PhysRevLett.80.1597
Citations: PlumX Metrics

1995BR02      Phys.Rev. C51, 929 (1995)

J.T.Brack, P.A.Amaudruz, D.F.Ottewell, G.R.Smith, M.Kermani, M.Pavan, D.Vetterli, R.A.Ristinen, S.Hoibraten, M.D.Kohler, J.J.Kraushaar, B.J.Kriss, J.Jaki, M.Metzler, E.F.Gibson

Forward Angle π±p Elastic Scattering Differential Cross Sections at T(π) = 87 to 139 MeV

NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=87-139 MeV; measured absolute σ(θ) vs E. Active target of scintillator material.

doi: 10.1103/PhysRevC.51.929
Citations: PlumX Metrics

1994DO26      Nucl.Instrum.Methods Phys.Res. B89, 174 (1994)

M.Dobeli, A.Lombao, D.Vetterli, M.Suter

Thin Layer Analysis with Heavy Ion RBS

NUCLEAR REACTIONS Co, Si, Ni, Ti(16O, 16O), E=10 MeV; measured Rutherford back scattering spectra; deduced suitability for thin layer analysis. Tof spectrometer, 13C, 28Si, 35Cl projetiles also included.

doi: 10.1016/0168-583X(94)95167-5
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

1993BO02      Phys.Rev. C47, 863 (1993)

F.Bonutti, P.Camerini, N.Grion, R.Rui, D.Vetterli, F.M.Rozon

Total Cross Sections for the A(π+, π+π-) Reaction at T(π+) = 280 MeV

NUCLEAR REACTIONS 2H, 4He, 16O, 208Pb(π+, π+π-), E=280 MeV; analyzed data; deduced total σ.

doi: 10.1103/PhysRevC.47.863
Citations: PlumX Metrics

1993CA06      Nucl.Phys. A552, 451 (1993); Erratum Nucl.Phys. A572, 791 (1994)

P.Camerini, N.Grion, R.Rui, D.Vetterli

Threshold Behaviour of the π+π- Invariant Mass in Nuclei

NUCLEAR REACTIONS 2H, 4He, 16O, 208Pb(π+, π+π-), E=280 MeV; measured σ(θπ+, θπ-, Eπ+, Eπ-), π+π- invariant masses, pπ- missing masses.

doi: 10.1016/0375-9474(93)90278-6
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

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

1991FR01      Phys.Lett. 254B, 40 (1991)

E.Friedman, A.Goldring, R.R.Johnson, D.Vetterli, J.Jaki, M.Metzler, B.K.Jennings

Integral Cross Sections for π+p Interaction in the 3, 3 Resonance Region

NUCLEAR REACTIONS 1H(π+, π+), E=125.9-201.7 MeV; measured σ. Transmission method. Phase shift calculations.

doi: 10.1016/0370-2693(91)90392-4
Citations: PlumX Metrics

1991FR04      Phys.Lett. 257B, 17 (1991)

E.Friedman, A.Goldring, R.R.Johnson, O.Meirav, D.Vetterli, P.Weber, A.Altman

Total Reaction Cross Sections for 20-30 MeV Pions and the Anomaly of Pionic Atoms

NUCLEAR REACTIONS C, Ni(π-, X), E=20, 30 MeV; C, Ni(π+, X), E=30 MeV; measured reaction σ. Different potentials in model analyses.

doi: 10.1016/0370-2693(91)90850-P
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

1991TR03      Nucl.Phys. A533, 528 (1991)

D.Trautmann, G.Baur, D.Vetterli, P.Egelhof, R.Henneck, M.Jaskola, H.Muhry, I.Sick

Vacuum Polarization in Sub-Coulomb 12C-12C Scattering (II)

NUCLEAR REACTIONS 12C(12C, 12C), E=4 MeV; calculated relative σ(θ); deduced vacuum polarization effects. High precision.

doi: 10.1016/0375-9474(91)90531-A
Citations: PlumX Metrics

1991VE02      Nucl.Phys. A533, 505 (1991)

D.Vetterli, W.Boeglin, P.Egelhof, R.Henneck, M.Jaskola, A.Klein, H.Muhry, I.Sick, D.Trautmann, G.Baur

Effects of Vacuum Polarization on Sub-Coulomb 12C-12C Scattering (I)

NUCLEAR REACTIONS 12C(12C, 12C), E=4 MeV; measured relative σ(θ); deduced vacuum polarization. High precision.

doi: 10.1016/0375-9474(91)90530-J
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

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.

1989VE03      Phys.Rev.Lett. 62, 1453 (1989)

D.Vetterli, W.Boeglin, P.Egelhof, R.Henneck, M.Jaskola, A.Klein, H.Muhry, G.R.Plattner, I.Sick, D.Trautmann, G.Baur, A.Weller

Effects of Vacuum Polarization in Hadron-Hadron Scattering

NUCLEAR REACTIONS 12C(12C, 12C), E=4 MeV; measured σ(θ), Mott scattering; deduced Coulomb interaction related vaccum polarization.

doi: 10.1103/PhysRevLett.62.1453
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

1988BA07      Helv.Phys.Acta 61, 219 (1988)

G.Baur, W.Boeglin, P.Egelhof, R.Henneck, M.Jaskola, A.Klein, H.Muhry, G.R.Plattner, I.Sick, D.Trautmann, D.Vetterli

Effects of the Vacuum Polarization on Coulomb 12C - 12C-Scattering

NUCLEAR REACTIONS 12C(12C, 12C), E=4 MeV; measured σ(θ); deduced Coulomb scattering vacuum polarization role.

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