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NSR database version of April 26, 2024.

Search: Author = M.Steinacher

Found 13 matches.

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2001ZH20      Phys.Rev.Lett. 87, 081801 (2001)

H.Zhu, A.Ahmidouch, H.Anklin, H.Arenhovel, C.Armstrong, C.Bernet, W.Boeglin, H.Breuer, P.Brindza, D.Brown, S.Bultmann, R.Carlini, N.Chant, A.Cowley, D.Crabb, S.Danagoulian, D.B.Day, T.Eden, R.Ent, Y.Farah, R.Fatemi, K.Garrow, C.Harris, M.Hauger, A.Honegger, J.Jourdan, M.Kaufmann, M.Khandaker, G.Kubon, J.Lichtenstadt, R.Lindgren, R.Lourie, A.Lung, D.Mack, S.Malik, P.Markowitz, K.McFarlane, P.McKee, D.McNulty, G.Milanovich, J.Mitchell, H.Mkrtchyan, M.Muhlbauer, T.Petitjean, Y.Prok, D.Rohe, E.Rollinde, O.A.Rondon, P.Roos, R.Sawafta, I.Sick, C.Smith, T.Southern, M.Steinacher, S.Stepanyan, V.Tadevosyan, R.Tieulent, A.Tobias, W.Vulcan, G.Warren, H.Wohrle, S.Wood, C.Yan, M.Zeier, J.Zhao, B.Zihlmann

Measurement of the Electric Form Factor of the Neutron Through d(pol)(e(pol), e'n)p at Q² = 0.5 (GeV/c)²

NUCLEAR REACTIONS ²H(polarized e, e'n), E=2.725 GeV; measured electron and neutron spectra, angular distributions, asymmetries. ¹n deduced electric form factor. Solid polarized target.

doi: 10.1103/PhysRevLett.87.081801
Citations: PlumX Metrics

1992SA22      Phys.Rev. C46, 2172 (1992)

P.Salvisberg, G.Backenstoss, H.Krause, R.J.Powers, M.Steinacher, H.J.Weyer, M.Wildi, A.Hoffart, B.Rzehorz, H.Ullrich, D.Bosnar, M.Furic, T.Petkovic, N.Simicevic, H.Zmeskal, A.Janett, R.H.Sherman

Pion Absorption in Tritium at Intermediate Energies

NUCLEAR REACTIONS ³H(π⁺, X), E=119-300 MeV; measured σ(θ) for two outgoing nucleon pair; deduced pion absorption mechanism. ³H deduced n, p momentum probability densities. Kinematically complete measurement.

doi: 10.1103/PhysRevC.46.2172
Citations: PlumX Metrics

1991WE14      Nucl.Phys. A534, 541 (1991)

P.Weber, G.Backenstoss, M.Izycki, R.J.Powers, P.Salvisberg, M.Steinacher, H.J.Weyer, S.Cierjacks, A.Hoffart, B.Rzehorz, H.Ullrich, D.Bosnar, M.Furic, T.Petkovic, N.Simicevic

Three-Nucleon Processes and the Total Pion Absorption Cross Section in ³He

NUCLEAR REACTIONS ³He(π⁺, 2p), (π^-, np), (π^-, nd), E=64, 119, 162, 206 MeV; measured absorption processes σ involving all three nucleons; deduced integrated σ for 3N absorption, total absorption σ. Different counter configurations.

doi: 10.1016/0375-9474(91)90461-E
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1990ST19      Nucl.Phys. A517, 413 (1990)

M.Steinacher, G.Backenstoss, M.Izycki, P.Salvisberg, P.Weber, H.J.Weyer, A.Hoffart, B.Rzehorz, H.Ullrich, M.Dzemidzic, M.Furic, T.Petkovic

Pion Absorption in Flight on ⁴He

NUCLEAR REACTIONS ⁴He(π, X), (π, dX), (π⁺, X), (π^-, X), E=65, 120, 165 MeV; measured σ(θ); deduced total absorption σ.

doi: 10.1016/0375-9474(90)90210-D
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1989BA19      Phys.Lett. 222B, 7 (1989)

G.Backenstoss, M.Izycki, R.Powers, P.Salvisberg, M.Steinacher, P.Weber, H.J.Weyer, A.Hoffart, B.Rzehorz, H.Ullrich, D.Bosnar, M.Furic, T.Petkovic

What is the Mechanism for Three-Nucleon Absorption of Pions in ³He ( Question )

NUCLEAR REACTIONS ³He(π⁺, 2p), E=120 MeV; measured pp-coin; deduced pion absorption mechanism.

doi: 10.1016/0370-2693(89)90714-4
Citations: PlumX Metrics

1989WE10      Nucl.Phys. A501, 765 (1989)

P.Weber, G.Backenstoss, M.Izycki, R.J.Powers, P.Salvisberg, M.Steinacher, H.J.Weyer, S.Cierjacks, A.Hoffart, H.Ullrich, M.Furic, T.Petkovic, N.Simicevic

Two-Nucleon Absorption of π⁺ and π^- on ³He Across the Δ-Resonance Region

NUCLEAR REACTIONS ³He(π⁺, 2p), (π^-, pn), E=64, 119, 162, 206 MeV; measured σ(θ); deduced Legendre coefficients, σ vs energy, nucleon momentum distribution in ³He.

doi: 10.1016/0375-9474(89)90160-7
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1988BA38      Phys.Rev.Lett. 61, 923 (1988)

G.Backenstoss, D.Brodbeck, M.Izycki, P.Salvisberg, M.Steinacher, P.Weber, H.J.Weyer, A.Hoffart, B.Rzehorz, H.Ullrich, D.Bosnar, M.Furic, T.Petkovic

New Pion-Absorption Modes Observed from Triple Coincidences in ⁴He

NUCLEAR REACTIONS ⁴He(π⁺, 3p), E at 220 MeV/c; measured σ(θ₁, θ₂, θ₃) vs neutron momentum; deduced pion absorption modes.

doi: 10.1103/PhysRevLett.61.923
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1987BA44      Phys.Rev.Lett. 59, 767 (1987); Erratum Phys.Rev.Lett. 59, 2124 (1987)

G.Backenstoss, M.Izycki, P.Salvisberg, M.Steinacher, P.Weber, H.J.Weyer, S.Cierjacks, B.Rzehorz, H.Ullrich, M.Furic, T.Petkovic, N.Simicevic

Observation of a Quasifree Three-Nucleon-Absorption Mode of Pions in ⁴He

NUCLEAR REACTIONS ⁴He(π⁺, pd), (π^-, nd), E at 220 MeV/c; measured σ(Ep), σ(θn); deduced reaction, pion absorption mechanisms. ΔE-E scintillation counter, kinematically complete experiment.

doi: 10.1103/PhysRevLett.59.767
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1987ST25      Helv.Phys.Acta 60, 737 (1987)

M.Steinacher, G.Backenstoss, M.Izycki, P.Salvisberg, P.Weber, H.J.Weyer, S.Cierjacks, B.Rzehorz, H.Ullrich, M.Furic, T.Petkovic, N.Simicevic

π⁺/π^--Absorption an ⁴He

NUCLEAR REACTIONS ⁴He(π^-, pd), (π^-, nd), (π⁺, pd), (π⁺, nd), E not given; measured not abstracted; deduced pion absorption mechanism.

1987WE10      Helv.Phys.Acta 60, 736 (1987)

P.Weber, G.Backenstoss, M.Izycki, P.Salvisberg, M.Steinacher, H.J.Weyer, S.Cierjacks, H.Ullrich, M.Furic, T.Petkovic, N.Simicevic

π⁺/π^--Absorption an ³He

NUCLEAR REACTIONS ³He(π⁺, X), (π^-, X), E=65, 120, 165, 210 MeV; measured σ(θ), σ; deduced two-nulceon pion absorption mechanism.

1986WE02      Czech.J.Phys. B36, 243 (1986)

H.J.Weyer, G.Backenstoss, M.Izycki, P.Salvisberg, M.Steinacher, P.Weber, S.Cierjacks, S.Ljungfelt, H.Ullrich, M.Furic, T.Petkovic

π-Absorption on ³He

NUCLEAR REACTIONS ³He(π⁺, π⁺), (π^-, π^-), E ≈ resonance; measured σ(θ); deduced pion absorption mechanism.

doi: 10.1007/BF01597154
Citations: PlumX Metrics

1985BA59      Phys.Rev.Lett. 55, 2782 (1985)

G.Backenstoss, M.Izycki, P.Salvisberg, M.Steinacher, P.Weber, H.J.Weyer, S.Cierjacks, S.Ljungfelt, H.Ullrich, M.Furic, T.Petkovic

Evidence for a Direct Three-Nucleon Pion-Absorption Process

NUCLEAR REACTIONS ³He(π⁺, 2p), (π^-, pn), E at 220 MeV/c; measured σ(θp); deduced direct three-nucleon pion absorption mechanism.

doi: 10.1103/PhysRevLett.55.2782
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1984BA13      Phys.Lett. 137B, 329 (1984)

G.Backenstoss, M.Izycki, M.Steinacher, P.Weber, H.-J.Weyer, K.Von Weymarn, S.Cierjacks, S.Ljungfelt, U.Mankin, T.Petkovic, G.Schmidt, H.Ullrich, M.Furic

Isospin Dependence of Pion Absorption on Nucleon Pairs in ³He

NUCLEAR REACTIONS ³He(π⁺, 2p), (π^-, np), E=165 MeV; measured pp-, np-energy correlations; deduced nucleon pair pion absorption ratio, isospin dependence.

doi: 10.1016/0370-2693(84)91726-X
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