NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = A.Lehmann Found 20 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
1998MO01 Phys.Rev. C57, 602 (1998) M.Moosburger, E.Aschenauer, H.Dennert, W.Eyrich, A.Lehmann, N.Scholz, H.Wirth, H.J.Gils, H.Rebel, S.Zagromski Excitation and Decay of the Gamow-Teller Giant Resonance in 90Nb NUCLEAR REACTIONS 90Zr(6Li, 6He), E=156 MeV; measured σ(θ), p(6He)-coin following residual nucleus decay. 90Nb deduced Gamow-Teller giant resonance E, Γ, decay branching ratios, statistical damping.
doi: 10.1103/PhysRevC.57.602
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
1995DE53 Phys.Rev. C52, 3195 (1995) H.Dennert, E.Aschenauer, W.Eyrich, A.Lehmann, M.Moosburger, N.Scholz, H.Wirth, H.J.Gils, H.Rebel, S.Zagromski Excitation of Giant Monopole Resonance in 24Mg using 6Li Scattering NUCLEAR REACTIONS 24Mg(6Li, 6Li'), E=156 MeV; measured σ(θ) at extreme forward angles. 24Mg deduced electric giant monopole resonance, strength distribution, centroid energy, width, sum rule values. DWBA calculations.
doi: 10.1103/PhysRevC.52.3195
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
1993SC02 Z.Phys. A344, 269 (1993) N.Scholz, E.Aschenauer, H.Dennert, W.Eyrich, A.Lehmann, M.Moosburger, H.Wirth, H.J.Gils, H.Rebel, S.Zagromski Proton Decay of Spin Isospin Modes Excited by the 12C(6Li, 6He)12N Reaction NUCLEAR REACTIONS 12C(6Li, 6He), (6Li, p6He), E=156 MeV; measured particle spectra, p(6He)-coin, σ(θp, θ(6He)). 12N levels deduced proton decay spin, isospin modes features.
doi: 10.1007/BF01303020
1992SC10 Nucl.Instrum.Methods Phys.Res. A313, 233 (1992) N.Scholz, H.Dennert, W.Eyrich, A.Lehmann, M.Moosburger, H.Wirth Investigation of Large Area Semiconductor Strip Detectors for Use in Low Energy Nuclear Physics NUCLEAR REACTIONS 12C(6Li, p6He), E=156 MeV; measured p(6He)(θ). Large area semi-conductor strip detectors.
doi: 10.1016/0168-9002(92)90101-9
1991AS05 Phys.Rev. C44, 2771 (1991) E.Aschenauer, H.Dennert, W.Eyrich, A.Lehmann, M.Moosburger, H.Wirth, H.J.Gils, H.Rebel, S.Zagromski (6Li, 6He) Measurements as an Alternative Calibration for Solar Neutrino Detectors NUCLEAR REACTIONS 37Cl, 71Ga(6Li, 6He), E=156 MeV; measured σ(θ) vs E. 37Ar, 71Ge level deduced Gamow-Teller transition strength distribution. Solar neutrino detectors targets, magnetic spectrograph.
doi: 10.1103/PhysRevC.44.2771
1990MO13 Phys.Rev. C41, 2925 (1990) M.Moosburger, E.Aschenauer, H.Dennert, W.Eyrich, A.Lehmann, R.Rudeloff, H.Schlosser, H.Wirth, H.J.Gils, H.Rebel, S.Zagromski (6Li, 6He) Reaction and Gamow-Teller β Decay NUCLEAR REACTIONS 12C, 18O, 26Mg, 42Ca(6Li, 6He), E=156 MeV; measured σ(E, θ), σ(θ=0°); deduced relation between Gamow-Teller transition strength (β-decay), zero degree cross section. DWBA calculations. Magnetic spectrograph.
doi: 10.1103/PhysRevC.41.2925
1990WI08 Phys.Rev. C41, 2698 (1990) H.Wirth, E.Aschenauer, W.Eyrich, A.Lehmann, M.Moosburger, H.Schlosser, H.J.Gils, H.Rebel, S.Zagromski Investigation of Spin-Isospin Strength in 48Ca → 48Sc and 90Zr → 90Nb Using the (6Li, 6He) Reaction NUCLEAR REACTIONS 90Zr, 48Ca(6Li, 6He), E=156 MeV; measured σ(E, θ). 48Sc, 90Nb deduced Gamow-Teller strength, sum rule values. DWBA calculations. Magnetic spectrograph.
doi: 10.1103/PhysRevC.41.2698
1989GI01 Nucl.Instrum.Methods Phys.Res. A276, 169 (1989) H.J.Gils, H.Jelitto, H.Schlosser, S.Zagromski, J.Buschmann, W.Eyrich, A.Hofmann, J.Kiener, A.Lehmann, H.Rebel The QQDS Magnetic Spectrograph ' Little John ' at the Karlsruhe Cyclotron II. Experimental procedures and performance NUCLEAR REACTIONS 12C(6Li, 6Li), E=158 MeV; measured 6Li spectra. 208Pb, 12C(6Li, αX), E=156 MeV; measured σ(θα, Eα). 12C(6Li, 6Li'), E=156 MeV; measured σ(θ), σ(θ(6Li), E(6Li)). 12C(6Li, 6He), E=156 MeV; measured σ(θ(6He), E(6He)).
doi: 10.1016/0168-9002(89)90629-3
1987EY01 Phys.Rev. C36, 416 (1987) W.Eyrich, A.Hofmann, A.Lehmann, B.Muhldorfer, H.Schlosser, H.Wirth, H.J.Gils, H.Rebel, S.Zagromski E0 Strength in 12C from 6Li Scattering NUCLEAR REACTIONS 12C(6Li, 6Li'), E=156 MeV; measured σ(E(6Li), θ), θ=0°-2.5°. 12C deduced E0 transition strength distribution, EWSR fraction. DWBA analysis.
doi: 10.1103/PhysRevC.36.416
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