NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = A.Hoffart Found 18 matches. 2001AN39 Fizika(Zagreb) B10, 279 (2001) D.Androic, G.Backenstoss, D.Bosnar, T.Dooling, P.A.M.Gram, N.K.Gregory, A.Hoffart, C.H.Q.Ingram, A.Klein, K.Koch, J.Kohler, B.Kotlinski, M.Kroedel, G.Kyle, A.Lehmann, A.O.Mateos, K.Michaelian, T.Petkovic, M.Planinic, R.P.Redwine, D.Rowntree, N.Simicevic, R.Trezeciak, H.Ullrich, H.J.Weyer, M.Wildi, K.E.Wilson Multinucleon Emission following the Pion Absorption in N, Ar and Xe NUCLEAR REACTIONS N, Ar, Xe(π+, xnyp), E=118, 162, 239 MeV; measured total pion absorption σ, partial yields from several multinucleon emission channels.
2000KO66 Eur.Phys.J. A 9, 537 (2000) B.Kotlinski, D.Androic, G.Backenstoss, D.Bosnar, H.Dobbeling, T.Dooling, M.Furic, P.A.M.Gram, N.K.Gregory, A.Hoffart, C.H.Q.Ingram, A.Klein, K.Koch, J.Kohler, M.Kroedel, G.Kyle, A.Lehmann, V.Markushin, A.O.Mateos, K.Michaelian, T.Petkovic, M.Planinic, R.P.Redwine, D.Rowntree, N.Simicevic, R.Trezeciak, H.J.Weyer, M.Wildi, K.E.Wilson, and the LADS Collaboration Pion Absorption Reactions on N, Ar and Xe NUCLEAR REACTIONS Ar(π+, 2pX), (π+, pdX), E=70, 118, 162, 239, 330 MeV; N, Xe(π+, 2pX), (π+, pdX), E=239 MeV; measured absorption reaction channels σ, proton spectra, particle multiplicities. Large-acceptance detector system.
doi: 10.1007/s100500070010
2000PL03 Phys.Rev. C61, 054604 (2000) M.Planinic, D.Androic, G.Backenstoss, D.Bosnar, T.Dooling, M.Furic, P.A.M.Gram, N.K.Gregory, A.Hoffart, C.H.Q.Ingram, A.Klein, K.Koch, J.Kohler, B.Kotlinski, M.Kroedel, G.Kyle, A.Lehmann, A.O.Mateos, K.Michaelian, T.Petkovic, R.P.Redwine, D.Rowntree, N.Simicevic, R.Trezeciak, H.Ullrich, H.J.Weyer, M.Wildi, K.E.Wilson, and the LADS Collaboration Pion Absorption on 4He into the ppd Final State NUCLEAR REACTIONS 4He(π+, pd), E=70, 118, 162, 239, 330 MeV; measured deuteron, proton spectra, σ(θ); deduced reaction mechanism features. Comparison with model predictions.
doi: 10.1103/PhysRevC.61.054604
1999LE33 Phys.Rev. C60, 024603 (1999) A.Lehmann, D.Androic, G.Backenstoss, D.Bosnar, T.Dooling, M.Furic, P.A.M.Gram, N.K.Gregory, A.Hoffart, C.H.Q.Ingram, A.Klein, K.Koch, J.Kohler, B.Kotlinski, M.Kroedel, G.Kyle, A.O.Mateos, K.Michaelian, T.Petkovic, M.Planinic, R.P.Redwine, D.Rowntree, N.Simicevic, R.Trezeciak, H.Ullrich, H.J.Weyer, M.Wildi, K.E.Wilson, and the LADS Collaboration Total Cross Sections of the Charge Exchange Reaction (π+, π0) on 2H, 3He, and 4He Across the Δ(1232) Resonance NUCLEAR REACTIONS 2H, 3,4He(π+, π0), 2H(π+, π+n), E=70, 118, 162, 239, 330 MeV; measured total σ; deduced multiple scattering contributions, role of resonance. Comparison with previous results, model predictions.
doi: 10.1103/PhysRevC.60.024603
1999PL04 Fizika(Zagreb) B8, 113 (1999) M.Planinic, D.Androic, G.Backenstoss, D.Bosnar, T.Dooling, M.Furic, P.A.M.Gram, N.K.Gregory, A.Hoffart, C.H.Q.Ingram, A.Klein, K.Koch, J.Kohler, B.Kotlinski, M.Kroedel, G.Kyle, A.Lehmann, A.O.Mateos, K.Michaelian, T.Petkovic, R.P.Redwine, D.Rowntree, N.Simicevic, R.Trezeciak, H.Ullrich, H.J.Weyer, M.Wildi, K.E.Wilson, and the LADS Collaboration Pion Absorption in 4He NUCLEAR REACTIONS 4He(π+, X), E=70-330 MeV; measured particle spectra; deduced absorption cross section and its decomposition in different exit channels. LADS detector.
1999RO20 Phys.Rev. C60, 054610 (1999) D.Rowntree, D.Androic, G.Backenstoss, D.Bosnar, H.Breuer, T.Dooling, M.Furic, P.A.M.Gram, N.K.Gregory, A.Hoffart, C.H.Q.Ingram, A.Klein, K.Koch, J.Kohler, B.Kotlinski, M.Kroedel, G.Kyle, A.Lehmann, A.O.Mateos, K.Michaelian, T.Petkovic, M.Planinic, R.P.Redwine, N.Simicevic, R.Trezeciak, H.J.Weyer, M.Wildi, K.E.Wilson, and the LADS Collaboration π+ Absorption on N and Ar NUCLEAR REACTIONS N, Ar(π+, X), E=118, 162, 239 MeV; measured total absorption σ, final state particle multiplicities; deduced average number of participating nucleons.
doi: 10.1103/PhysRevC.60.054610
1997LE08 Phys.Rev. C55, 2931 (1997) A.Lehmann, D.Androic, G.Backenstoss, D.Bosnar, H.Breuer, H.Dobbeling, T.Dooling, M.Furic, P.A.M.Gram, N.K.Gregory, A.Hoffart, C.H.Q.Ingram, A.Klein, K.Koch, J.Kohler, B.Kotlinski, M.Kroedel, G.Kyle, A.O.Mateos, K.Michaelian, T.Petkovic, M.Planinic, R.P.Redwine, D.Rowntree, U.Sennhauser, N.Simicevic, R.Trezeciak, H.Ullrich, M.Wang, M.H.Wang, H.J.Weyer, M.Wildi, K.E.Wilson, and the LADS Collaboration Pion Absorption on 3He and 4He with Emission of Three Energetic Protons NUCLEAR REACTIONS 3,4He(π+, 3p), E=70, 118, 162, 239, 330 MeV; measured total absorption σ for complete set of variables; deduced initial, final state interaction signatures related features. Final state interaction, 3N phase space. Large acceptance detector system.
doi: 10.1103/PhysRevC.55.2931
1997LE18 Phys.Rev. C56, 1872 (1997) A.Lehmann, D.Androic, G.Backenstoss, D.Bosnar, H.Breuer, H.Dobbeling, T.Dooling, M.Furic, P.A.M.Gram, N.K.Gregory, A.Hoffart, C.H.Q.Ingram, A.Klein, K.Koch, J.Kohler, B.Kotlinski, M.Kroedel, G.Kyle, A.O.Mateos, K.Michaelian, T.Petkovic, M.Planinic, R.P.Redwine, D.Rowntree, U.Sennhauser, N.Simicevic, R.Trezeciak, H.Ullrich, M.Wang, M.H.Wang, H.J.Weyer, M.Wildi, K.E.Wilson Multinucleon Pion Absorption on 4He into the pppn Final State NUCLEAR REACTIONS 4He(π+, 3p), (π+, n2p), (π+, n3p), E=70, 118, 162, 239, 330 MeV; measured total absorption σ, differential σ over complete set of variables; deduced initial-, final-state interaction effects, no evidence for "double-Δ" mechanism.
doi: 10.1103/PhysRevC.56.1872
1996AN06 Phys.Rev. C53, R2591 (1996) D.Androic, G.Backenstoss, D.Bosnar, H.Breuer, H.Dobbeling, T.Dooling, M.Furic, P.A.M.Gram, N.K.Gregory, A.Hoffart, C.H.Q.Ingram, A.Klein, K.Koch, J.Kohler, B.Kotlinski, M.Kroedel, G.Kyle, A.Lehmann, A.O.Mateos, K.Michaelian, T.Petkovic, R.P.Redwine, D.Rowntree, U.Sennhauser, N.Simicevic, R.Trezeciak, H.Ullrich, M.Wang, M.H.Wang, H.J.Weyer, M.Wildi, K.E.Wilson, and the LADS Collaboration Evidence of Initial State Interactions in Multinucleon Pion Absorption NUCLEAR REACTIONS 3,4He, N, Ar(π+, X), E=239 MeV; measured proton kinetic energy spectra, σ(θ) for 3p final states; deduced initial state interactions role in pion absorption.
doi: 10.1103/PhysRevC.53.R2591
1996BA32 Phys.Lett. 379B, 60 (1996) G.Backenstoss, D.Bosnar, H.Breuer, H.Dobbeling, T.Dooling, M.Furic, P.A.M.Gram, N.K.Gregory, A.Hoffart, C.H.Q.Ingram, A.Klein, K.Koch, J.Kohler, B.Kotlinski, M.Kroedel, G.Kyle, A.Lehmann, A.O.Mateos, K.Michaelian, T.Petkovic, R.P.Redwine, D.Rowntree, U.Sennhauser, N.Simicevic, R.Trezeciak, H.Ullrich, M.Wang, M.H.Wang, H.J.Weyer, M.Wildi, K.E.Wilson, and the LADS Collaboration Contribution of Initial State Interactions to the Three-Nucleon Absorption of Pions by 3He NUCLEAR REACTIONS 3He(π+, xp), E=118-239 MeV; measured proton distribution following pion absorption; deduced initial state interactions role.
doi: 10.1016/0370-2693(96)00326-7
1996RZ01 Europhys.Lett. 34, 103 (1996) B.Rzehorz, G.Backenstoss, M.Dzemidzic, M.Furic, A.Hoffart, T.Petkovic, H.Ullrich, H.J.Weyer, D.Weiser, M.Wildi Evidence for Pion Absorption on Four Nucleons NUCLEAR REACTIONS 4He(π+, X), E=120, 210 MeV; measured ppp-, ppn-coin following pion absorption; deduced 4-nucleon pion absorption σ.
doi: 10.1209/epl/i1996-00423-y
1994AL28 Phys.Rev.Lett. 73, 1336 (1994) T.Alteholz, D.Androic, G.Backenstoss, D.Bosnar, H.Breuer, A.Brkovic, H.Dobbeling, T.Dooling, W.Fong, M.Furic, P.A.M.Gram, N.K.Gregory, J.P.Haas, A.Hoffart, C.H.Q.Ingram, A.Klein, K.Koch, J.Kohler, B.Kotlinski, M.Kroedel, G.Kyle, A.Lehmann, Z.N.Lin, G.Mahl, A.O.Mateos, K.Michaelian, S.Mukhopadhyay, T.Petkovic, R.P.Redwine, D.Rowntree, R.Schumacher, U.Sennhauser, N.Simicevic, F.D.Smit, G.van der Steenhoven, D.R.Tieger, R.Trezeciak, H.Ullrich, M.Wang, M.H.Wang, H.J.Weyer, M.Wildi, K.E.Wilson, and the LADS Collaboration Large-Solid-Angle Study of Pion Absorption on 3He NUCLEAR REACTIONS 3He(π+, X), E=118-239 MeV; measured proton energy spectra following absorption; deduced total absorption σ(E), two-, three-nucleon absorption relative contributions. Large acceptance detector system.
doi: 10.1103/PhysRevLett.73.1336
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
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
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
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
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
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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