NSR Query Results
Output year order : Descending NSR database version of April 29, 2024. Search: Author = M.P.Locher Found 41 matches. 2009AT04 Nucl.Instrum.Methods Phys.Res. A 608, 144 (2009) F.Atchison, B.Blau, A.Bollhalder, M.Daum, P.Fierlinger, P.Geltenbort, G.Hampel, M.Kasprzak, K.Kirch, S.Kochli, B.Kuczewski, H.Leber, M.Locher, M.Meier, S.Ochse, A.Pichlmaier, C.Plonka, R.Reiser, J.Ulrich, X.Wang, N.Wiehl, O.Zimmer, G.Zsigmond Transmission of very slow neutrons through material foils and its influence on the design of ultracold neutron sources NUCLEAR REACTIONS Al(n, x), 27Al(n, x), Zr(n, x), E=1.75E-7-2.0E-7 eV; measured products; deduced σ, σ(E). Data were imported from EXFOR entry 23102.
doi: 10.1016/j.nima.2009.06.047
2002KO51 Eur.Phys.J. C 25, 353 (2002) O.Kortner, M.P.Locher, V.E.Markushin, P.Weber, O.Wigger Pion correlations and resonance effects in (p-bar)p annihilation to 4π0 at rest NUCLEAR REACTIONS 1H(p-bar, 4π0), E at rest; analyzed pion correlations vs effective mass; deduced resonance effects. Dynamical models.
doi: 10.1007/s10052-002-1033-8
2001LO10 Nucl.Phys. A684, 414c (2001) M.P.Locher, S.von Rotz, V.E.Markushin Antiproton-Nucleon Annihilation, Multistep Processes and the OZI Rule
doi: 10.1016/S0375-9474(01)00440-7
2000VO06 Eur.Phys.J. A 7, 261 (2000) S.von Rotz, M.P.Locher, V.E.Markushin Higher Order Two Step Mechanisms in Nucleon Antinucleon Annihilation and the OZI Rule NUCLEAR REACTIONS 1H(p-bar, X), E not given; calculated branching ratios for various output channels. 3- and 2-meson doorway mechanisms, comparison with data.
doi: 10.1007/s100500050390
1998KA17 Nucl.Phys. A631, 519c (1998) H.Kamada, M.P.Locher, T.-S.H.Lee, J.Golak, V.E.Markushin, W.Glockle, H.Witala Pion Absorption Reaction on 2H and 3He in the Δ-Isobar Region NUCLEAR REACTIONS 2H(π+, 2p), 3He(π+, 3p), E < 350 MeV; analyzed total σ, σ(θ). Fadeev equations.
doi: 10.1016/S0375-9474(98)00059-1
1998MA03 Eur.Phys.J. A 1, 91 (1998) OZI Rule Violation in p(p-bar) Annihilation into φππ by Two Step Processes NUCLEAR REACTIONS 1H(p-bar, X), E at rest; analyzed φ production associated data; deduced intermediate states role, invariant mass dependence. Resonant final state interaction mechanism.
doi: 10.1007/s100500050036
1997CA33 Z.Phys. A358, 275 (1997) F.Cannata, J.-P.Dedonder, M.P.Locher Meson Production and Bose-Einstein Pion Correlations in High Energy Collisions
doi: 10.1007/s002180050327
1997KA23 Phys.Rev. C55, 2563 (1997) H.Kamada, M.P.Locher, T.-S.H.Lee, J.Golak, V.E.Markushin, W.Glockle, H.Witala Pion Absorption Cross Section for 2H and 3He in the Δ-Isobar Region: A phenomenological connection NUCLEAR REACTIONS 2H(π, p), 3He(π+, 3p), E ≤ 300 MeV; calculated σ(E). Exact final state interaction inclusion.
doi: 10.1103/PhysRevC.55.2563
1996AM01 Z.Phys. A354, 209 (1996) R.D.Amado, F.Cannata, J.-P.Dedonder, M.P.Locher, Y.Lu, V.E.Markushin On the Relationship of the Scaled Phase Space and Skyrme-Coherent State Treatments of Proton Antiproton Annihilation at Rest NUCLEAR REACTIONS 1H(p-bar, X), E at rest; analyzed pion multiplicities, single pion spectra following (p-bar)p annihilation; deduced scaled phase space, Skyrme-coherent state treatments relationship.
doi: 10.1007/s002180050033
1996GO05 Z.Phys. A353, 447 (1996) O.Gortchakov, M.P.Locher, V.E.Markushin, S.von Rotz Two Meson Doorway Calculation for (p-bar)p → φπ Including Off-Shell Effects and the OZI Rule NUCLEAR REACTIONS 1H(p-bar, X), E not given; calculated two-meson doorway contributions to φπ exit channel; deduced no need to invoke unexplained OZI rule violation. Off-shell effects, beyond unitary approximation.
doi: 10.1007/BF01285155
1996IV05 Few-Body Systems 21, 131 (1996) M.A.Ivanov, M.P.Locher, V.E.Lyubovitsky Electromagnetic Form Factors of Nucleons in a Relativistic Three-Quark Model NUCLEAR STRUCTURE 1n, 1H; calculated electric, magnetic form factors. Relativistic three-quark model.
doi: 10.1007/s006010050044
1996KA60 Acta Phys.Pol. B27, 3381 (1996) H.Kamada, M.P.Locher, T.-S.H.Lee, W.Glockle, H.Witala, J.Golak Pion Absorption on 3He
1996LO17 Yad.Fiz. 59, No 8, 1436 (1996); Phys.Atomic Nuclei 59, 1377 (1996) M.P.Locher, V.E.Markushin, S.von Rotz Analytic Properties of Two-Meson Doorway Amplitudes as Applied to (p-bar)p Annihilation NUCLEAR REACTIONS 1H(p-bar, X), E at rest; calculated spectral density vs kaon momentum following annihilation at rest; deduced doorway mechanism in final decay to πφ system.
1995AM01 Phys.Rev. C51, 1587 (1995) R.D.Amado, F.Cannata, J.-P.Dedonder, M.P.Locher, Y.Lu Isospin Recoupling and Bose-Einstein Pion Correlations in (N-bar)N Annihilations
doi: 10.1103/PhysRevC.51.1587
1995LO05 Z.Phys. A351, 83 (1995) Rescattering Mechanisms for (p-bar)p → φX and OZI Rule Re-Examined NUCLEAR REACTIONS 1H(p-bar, X), E at ≈ 2 GeV/c; calculated 2φ, π0φ, γφ production σ, branching ratios. Rescattering mechanism, OZI rule reexamined.
doi: 10.1007/BF01292789
1994AM03 Phys.Rev.Lett. 72, 970 (1994) R.D.Amado, F.Cannata, J.-P.Dedonder, M.P.Locher, B.Shao Coherent Pion Radiation from Nucleon-Antinucleon Annihilation
doi: 10.1103/PhysRevLett.72.970
1994AM05 Phys.Rev. C50, 640 (1994) R.D.Amado, F.Cannata, J.-P.Dedonder, M.P.Locher, B.Shao Coherent State Formulation of Pion Radiation from Nucleon-Antinucleon Annihilation
doi: 10.1103/PhysRevC.50.640
1994AM11 Phys.Lett. 339B, 201 (1994) R.D.Amado, F.Cannata, J.-P.Dedonder, M.P.Locher, Y.Lu Bose-Einstein Pion Correlations in (N-bar)N Annihilations
doi: 10.1016/0370-2693(94)91155-X
1994BA53 Phys.Rev. C50, 1300 (1994) M.Batinic, T.-S.H.Lee, M.P.Locher, Y.Lu, A.Svarc Off-Shell Effects for the Reaction pp → πd at High Energies NUCLEAR REACTIONS 1H(polarized p, π+), E=1.3-2.4 GeV; analyzed σ(θ), analyzing power data; deduced pp distortion role. Relativistic meson rescattering model.
doi: 10.1103/PhysRevC.50.1300
1994LO26 Z.Phys. A347, 281 (1994) Rates for the Reactions (p-bar)p → πφ and γφ NUCLEAR REACTIONS 1H(p-bar, X), E at rest; calculated rescattering contributions for πφ-, γφ-production following annihilation.
doi: 10.1007/BF01289796
1993LO03 J.Phys.(London) G19, 463 (1993) Prediction of Neutron Spectra for (p-bar)d → π0π0π0n, π0π0(Eta)n and π0(Eta)(Eta)n at Rest NUCLEAR REACTIONS 2H(p-bar, X), E at rest; calculated spectator neutron spectra in multi-pion, multi-eta production reactions. Tree, rescattering diagrams.
doi: 10.1088/0954-3899/19/3/013
1993LU05 Z.Phys. A346, 143 (1993) Regge Pole Model with K(*) - K(**) Exchange and Absorption for the(p-bar)p → (Lambda-bar)Lambda Reaction NUCLEAR REACTIONS 1H(p-bar, X), E at 1.436-1.918 MeV/c; calculated σ(θ), polarization, spin correlation parameters in strangeness production. Regge pole model.
doi: 10.1007/BF01294630
1992LO11 Few-Body Systems 12, 1 (1992) Proton Spectrum from (p-bar)d → 5πp at Rest and the Elementary (p-bar)n Annihilation NUCLEAR REACTIONS 2H(p-bar, pX), E at rest; calculated proton momentum spectra; deduced atomic S-, P-states, elementary s-, p-wave annihilation roles.
doi: 10.1007/BF01080192
1991FA03 Z.Phys. A338, 95 (1991) C.G.Fasano, M.P.Locher, S.Nozawa Rescattering Mechanisms for p(bar)d → pX Reactions NUCLEAR REACTIONS 2H(p-bar, pX), E at 1-3 GeV/c; calculated inclusive proton spectra. Pion rescattering model.
doi: 10.1007/BF01279119
1991FA04 Z.Phys. A338, 197 (1991) Relativistic Calculation for the Reactions p(bar)d → 5πp and p(bar)d → 3πp at Rest NUCLEAR REACTIONS 2H(p-bar, pX), E not given; calculated multipion accompanied proton emission spectra. Fully relativistic approach.
doi: 10.1007/BF01284795
1991LO01 Z.Phys. A338, 89 (1991) Pole Expansion of the Deuteron Vertex Functions Revisited NUCLEAR STRUCTURE 2H; analyzed (e, d) scattering data; deduced S-, D-state vertex function. Relativistic pole approximation. NUCLEAR REACTIONS 2H(e, e), E not given; analyzed structure function, tensor polarization. Relativistic pole approximation.
doi: 10.1007/BF01279118
1991LO04 Nucl.Phys. A527, 73c (1991) Chiral Symmetry, the Elementary πN Interaction and the πNN System NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E ≈ 97 MeV/c; compiled, reviewed data analyses; deduced off-shell pion role, spin triplet effects.
doi: 10.1016/0375-9474(91)90107-H
1991LO08 Z.Phys. A340, 187 (1991) The Inclusive Proton Spectrum for (p-bar)d → 3πp at Rest Re-Examined NUCLEAR REACTIONS 2H(p-bar, pX), E not given; calculated spectator proton spectra associated with outgoing 3π system; deduced meson rescattering, exchange effects role.
doi: 10.1007/BF01303831
1990FA06 Z.Phys. A336, 469 (1990) Evidence Against a Strong Sub-Threshold Structure in the (p-bar)p Amplitude NUCLEAR REACTIONS 2H(p-bar, X), E not given; analyzed spectator proton distributions; deduced no evident antinucleon-nucleon sub-threshold structure.
1990LO19 Fizika(Zagreb) 22, 549 (1990) Deuteron Vertex Functions Including Meson Exchange Corrections NUCLEAR STRUCTURE 2H; analyzed binding energy, effective radius, quadrupole moment data; deduced S-, D-state vertex functions. Meson exchange corrections. NUCLEAR REACTIONS 2H(e, e), E not given; analyzed structure function, t20 data; deduced S-, D-state vertex functions. Meson exchange corrections.
1988LO14 Few-Body Systems 5, 59 (1988) Off-Shell Effects in pp → πd, πd → pp Spin Observables NUCLEAR REACTIONS 1H(polarized p, π), E=515, 578 MeV; analyzed polarization observable data; deduced off-shell effects in pp-π, πd-pp spin observables.
doi: 10.1007/BF01351269
1986LO02 Czech.J.Phys. B36, 230 (1986) M.P.Locher, A.Svarc, M.Batinic The Reaction pp-πd in the GeV Region NUCLEAR REACTIONS 2H(p, π+), E=0.525, 0.87, 1.52 GeV; calculated σ(θ). 1H(p, π+), E=1-4 GeV; calculated all helicity amplitudes. Relativistic model.
doi: 10.1007/BF01597151
1985LO01 J.Phys.(London) G11, 183 (1985) Energy Dependence of Relativistic Predictions for pp → dγ in the Δ-Resonance Region NUCLEAR REACTIONS 1H(p, π), (polarized p, π), E=400-800 MeV; calculated σ(θ), asymmetry, spin correlation parameter vs θ. 2H(π, p), E=510-799 MeV; calculated vector polarization vs θ. Unpolarized, polarized targets. Isobar region, single neutron exchange, channel distortion factors.
doi: 10.1088/0305-4616/11/2/005
1985LO20 J.Phys.(Paris), Colloq.C-2, 319 (1985) Pion Deutron Reactions at Intermediate Energies NUCLEAR REACTIONS 2H(π, π), E=82-294 MeV; analyzed σ(θ), vector polarizations. 1H(polarized p, π), E=451-799 MeV; analyzed data; deduced spin correlation parameters. 1H(p, π+n), (p, pπ0), (n, pπ-), (n, π+n), E ≤ 5 GeV/c; analyzed σ(E).
1984GR07 Ann.Phys.(New York) 153, 301 (1984) W.Grein, A.Konig, P.Kroll, M.P.Locher, A.Svarc Relativistic Study of the Reaction pp → dπ: Formalism and comparison with experiment at T(p) = 578 MeV NUCLEAR REACTIONS 1H(polarized p, π), E=578 MeV; calculated beam asymmetry, spin correlation parameter vs θ. Relativistic approach, pion-nucleon amplitudes, off-shell effects.
doi: 10.1016/0003-4916(84)90021-6
1984LO02 Z.Phys. A316, 55 (1984) Pole Expansion of the Deuteron Vertex Function Constrained by Modern Data NUCLEAR REACTIONS 2H(e, e), E not given; calculated σ(θ) components, S-, D-state vertex functions; deduced S-, D-state poles. Static properties input, invariant multipole expansion technique.
doi: 10.1007/BF01415661
1983LO06 Phys.Lett. 121B, 227 (1983) Parameters for B = 2 Resonances from a Fit to the Vector Polarization in Elastic πd Scattering NUCLEAR REACTIONS 2H(π, π), E=142-292 MeV; analyzed vector polarization it11(θ); deduced two-baryon resonance parameters.
doi: 10.1016/0370-2693(83)90793-1
1981GR12 J.Phys.(London) G7, 1355 (1981) Complete Set of πd Observables and Dibaryon Resonances NUCLEAR REACTIONS 2H(π, π), E=180, 256, 292 MeV; calculated iT11(θ), σ(absorption, E), polarization transfer vs θ. Faddeev amplitudes, dibaryon resonances.
doi: 10.1088/0305-4616/7/10/013
1980GR07 J.Phys.(London) G6, 653 (1980) Remark on Inconsistencies of π4He Scattering Data and Dispersion Relations Above the 33 Resonance NUCLEAR REACTIONS 4He(π, π), E=200-800 MeV; calculated total σ; deduced need for σ(θ) measurement. Dispersion relations.
doi: 10.1088/0305-4616/6/6/004
1978AM08 Phys.Rev. C 17, 403 (1978) R.D.Amado, M.P.Locher, M.Simonius Asymptotic normalization of the deuteron D state NUCLEAR REACTIONS 1H(d, d), E=6-16 MeV; analyzed tensor polarization. 2H deduced asymptotic D-state to S-state ratio.
doi: 10.1103/PhysRevC.17.403
1976LO04 Helv.Phys.Acta 49, 123 (1976) A Remark on Pion Capture in Heavy Nuclei NUCLEAR REACTIONS 165Ho(π-, xn); calculated σ.
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