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NSR database version of May 24, 2024.

Search: Author = A.Lehmann

Found 20 matches.

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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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1117.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1530.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1537.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1530.


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
Citations: PlumX Metrics


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