NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = S.Wycech Found 74 matches. 2023CA18 Eur.Phys.J. A 59, 259 (2023) J.Carbonell, G.Hupin, S.Wycech Comparison of N-bar N optical models
doi: 10.1140/epja/s10050-023-01161-x
2023PI06 Phys.Rev. C 108, 055201 (2023) K.Piscicchia, M.Skurzok, M.Cargnelli, R.Del Grande, L.Fabbietti, J.Marton, P.Moskal, A.Ramos, A.Scordo, D.L.Sirghi, O.Vazquez Doce, J.Zmeskal, S.Wycech, P.Branchini, F.Ceradini, E.Czerwinski, E.De Lucia, S.Fiore, A.Kupsc, G.Mandaglio, M.Martini, A.Passeri, V.Patera, E.Perez Del Rio, A.Selce, M.Silarski, C.Curceanu First simultaneous K- p → Σ0π0, Λπ0 cross section measurements at 98 MeV/c
doi: 10.1103/PhysRevC.108.055201
2023WY01 Phys.Rev. C 108, 014313 (2023) Pionization: A method to study the nuclear surface NUCLEAR REACTIONS 1n, 1,2H, C, 48Ti, 181Ta, Pb(p-bar, X), E atlow energies; analyzed several pionization experiments in antiproton annihilations; deduced neutron halos, pion absorption and charge multiplicities, final state absorption and charge-exchange interactions of the mesons, average final-state pion absorption probabilities, probabilities of multimeson state formation, short-ranged proton-neutron correlations, spin averaged antiproton-proton and antiproton-neutron absorptive amplitudes, neutron excess from Rn/p ratio of antiproton-proton to antiproton-neutron annihilations. Relevance to PUMA experiment at CERN to investigate nuclear surfaces of unstable nuclei, neutron skin thickness, and pionic charge measurements.
doi: 10.1103/PhysRevC.108.014313
2022AU03 Eur.Phys.J. A 58, 88 (2022) T.Aumann, W.Bartmann, O.Boine-Frankenheim, A.Bouvard, A.Broche, F.Butin, D.Calvet, J.Carbonell, P.Chiggiato, H.De Gersem, R.De Oliveira, T.Dobers, F.Ehm, J.Ferreira Somoza, J.Fischer, M.Fraser, E.Friedrich, A.Frotscher, M.Gomez-Ramos, J.-L.Grenard, A.Hobl, G.Hupin, A.Husson, P.Indelicato, K.Johnston, C.Klink, Y.Kubota, R.Lazauskas, S.Malbrunot-Ettenauer, N.Marsic, W.F.O Muller, S.Naimi, N.Nakatsuka, R.Necca, D.Neidherr, G.Neyens, A.Obertelli, Y.Ono, S.Pasinelli, N.Paul, E.C.Pollacco, D.Rossi, H.Scheit, M.Schlaich, A.Schmidt, L.Schweikhard, R.Seki, S.Sels, E.Siesling, T.Uesaka, M.Vilen, M.Wada, F.Wienholtz, S.Wycech, S.Zacarias PUMA, antiProton unstable matter annihilation
doi: 10.1140/epja/s10050-022-00713-x
2020LO10 Phys.Rev. C 102, 034006 (2020) Extraction of baryonia from the lightest antiprotonic atoms ATOMIC PHYSICS 1,2H, 3,4He; analyzed experimental data for antiprotonic hydrogen and helium atoms using the 2009 version of the Paris nucleon-antinucleon interaction potential; calculated s-wave scattering lengths and P-wave volumes using the Paris 1999 and Paris 2009 models, atomic 2P hyperfine structure splittings for antiprotonic deuterium. Comparison of the level shifts and widths in deuterium and helium atoms with the predictions of the Paris potential models. Relevance to successful description of atomic, bubble chamber, and radiochemical data.
doi: 10.1103/PhysRevC.102.034006
2018DE23 Phys.Rev. C 97, 065206 (2018) J.-P.Dedonder, B.Loiseau, S.Wycech Photon or meson formation in Jψ decays into pp(bar)
doi: 10.1103/PhysRevC.97.065206
2018PI05 Phys.Lett. B 782, 339 (2018) K.Piscicchia, S.Wycech, L.Fabbietti, M.Cargnelli, C.Curceanu, R.Del Grande, J.Marton, P.Moskal, A.Scordo, M.Silarski, D.Sirghi, M.Skurzok, I.Tucakovic, O.Vazquez Doce, J.Zmeskal, P.Branchini, E.Czerwinski, V.De Leo, E.De Lucia, A.Di Cicco, P.Fermani, S.Fiore, W.Krzemien, G.Mandaglio, M.Martini, E.Perez del Rio, A.Selce First measurement of the K-n → Λπ- non-resonant transition amplitude below threshold NUCLEAR REACTIONS 4He(K-, Λ), E ∼ 120 MeV; measured reaction products; deduced yields, resonant to non-resonant ratios and amplitudes of the various channels, momentum distributions. Comparison with phenomenological model.
doi: 10.1016/j.physletb.2018.05.025
2018SK07 Acta Phys.Pol. B49, 705 (2018) M.Skurzok, M.Cargnelli, C.Curceanu, R.Del Grande, L.Fabbietti, C.Guaraldo, J.Marton, P.Moskal, K.Piscicchia, A.Scordo, M.Silarski, D.L.Sirghi, I.Tucakovic, O.Vazquez Doce, S.Wycech, E.Widmann, J.Zmeskal Search for Deeply Bound Kaonic Nuclear States in the AMADEUS Experiment
doi: 10.5506/aphyspolb.49.705
2017DE32 Acta Phys.Pol. B48, 1881 (2017) R.Del Grande, K.Piscicchia, S.Wycech Formation of Σπ Pairs in Nuclear Captures of K- Mesons NUCLEAR REACTIONS 12C(K-, Σ+π-), E not given; calculated invariant mass distribution of Σ+π- production following K- capture from atomic l=2 state; deduced dependence of the invariant mass distribution on the energy of 40 MeV wide resonance (and without resonances).
doi: 10.5506/APhysPolB.48.1881
2016PI10 Nucl.Phys. A954, 75 (2016) K.Piscicchia, S.Wycech, C.Curceanu On the K-4He → Λπ-3He resonant and non-resonant processes NUCLEAR REACTIONS 4He(K-,3HeΛ), E at plab=120, 160, 200, 245 MeV/c; calculated K-n to Λπ- transition amplitude using K-p to Λπ0 AMADEUS/KLOE-2 data. Analysis continues.
doi: 10.1016/j.nuclphysa.2016.05.007
2015FR05 Nucl.Phys. A943, 101 (2015) E.Friedman, A.Gal, B.Loiseau, S.Wycech Antinucleon-nucleus interaction near threshold from the Paris N(bar)N potential NUCLEAR REACTIONS 1H(n-bar, x), (p-bar, x), E at 50-390 MeV/c;Ca(p-bar, x), E at 70-390 MeV/c; calculated annihilation σ using Paris 2009 potential. 40Ca(p-bar, x), E=47.8 MeV; calculated σ(θ) using Paris 2009 and empirical potentials compared with data.
doi: 10.1016/j.nuclphysa.2015.08.010
2012DR01 Nucl.Phys. A875, 1 (2012) C.Droese, K.Blaum, M.Block, S.Eliseev, F.Herfurth, E.Minaya-Ramirez, Yu.N.Novikov, L.Schweikhard, V.M.Shabaev, I.I.Tupitsyn, S.Wycech, K.Zuber, N.A.Zubova Probing the nuclide 180W for neutrinoless double-electron capture exploration RADIOACTIVITY 180W(2EC); measured cyclotron frequency using Penning trap mass ratios using SHIPTRAP; deduced Q value, T1/2. ATOMIC MASSES 180Hf, 180W; measured cyclotron frequency ratios using SHIPTRAP Penning trap; deduced Q.
doi: 10.1016/j.nuclphysa.2011.11.008
2010WY01 Physics of Part.and Nuclei 41, 1132 (2010) On nuclear states of (K-bar) mesons
doi: 10.1134/S1063779610070348
2009DE36 Phys.Rev. C 80, 045207 (2009) J.-P.Dedonder, B.Loiseau, B.El-Bennich, S.Wycech Structure of the X(1835) baryonium
doi: 10.1103/PhysRevC.80.045207
2009EL06 Phys.Rev. C 79, 054001 (2009) B.El-Bennich, M.Lacombe, B.Loiseau, S.Wycech Paris N(N-bar) potential constrained by recent antiprotonic-atom data and (n-bar)p total cross sections NUCLEAR REACTIONS p(p-bar, n-bar), E at 546, 656 MeV/c; p(p-bar, p), E at 544, 679, 790 MeV/c; analyzed σ, σ(θ), polarization and short-range parameters of Paris nucleon-antinucleon optical potential. Comparison with experimental data.
doi: 10.1103/PhysRevC.79.054001
2009WY01 Phys.Rev. C 79, 014001 (2009) Variational calculations for K(bar)-few-nucleon systems
doi: 10.1103/PhysRevC.79.014001
2007KL02 Phys.Rev. C 76, 014311 (2007) B.Klos, A.Trzcinska, J.Jastrzebski, T.Czosnyka, M.Kisielinski, P.Lubinski, P.Napiorkowski, L.Pienkowski, F.J.Hartmann, B.Ketzer, P.Ring, R.Schmidt, T.von Egidy, R.Smolanczuk, S.Wycech, K.Gulda, W.Kurcewicz, E.Widmann, B.A.Brown Neutron density distributions from antiprotonic 208Pb and 209Bi atoms NUCLEAR REACTIONS 208Pb, 209Bi(p-bar, X-ray), E at 106 MeV/c; measured x-ray cascade from antiprotonic atoms. Deduced neutron densities and rms radii.
doi: 10.1103/PhysRevC.76.014311
2007WY02 Phys.Rev. C 76, 034316 (2007) S.Wycech, F.J.Hartmann, J.Jastrzebski, B.Klos, A.Trzcinska, T.von Egidy Nuclear surface studies with antiprotonic atom x rays
doi: 10.1103/PhysRevC.76.034316
2006LU15 Eur.Phys.J. A 27, Supplement 1, 63 (2006) L.Lukaszuk, Z.Sujkowski, S.Wycech Searching for Majorana neutrinos with double beta decay and with beta beams
doi: 10.1140/epja/i2006-08-008-7
2005GR02 Phys.Rev. C 71, 014001 (2005); Erratum Phys.Rev. C 72, 029902 (2005) η-Nucleon scattering length and effective range uncertainties
doi: 10.1103/PhysRevC.71.014001
2005LO08 Phys.Rev. C 72, 011001 (2005) Antiproton-proton channels in J/ψ decays
doi: 10.1103/PhysRevC.72.011001
2004ER04 Phys.Lett. B 594, 76 (2004) T.E.O.Ericson, B.Loiseau, S.Wycech A phenomenological π-p scattering length from pionic hydrogen ATOMIC PHYSICS, Mesic-atoms 1H(π-, X), E at rest; analyzed pionic atom energy shifts; deduced scattering length.
doi: 10.1016/j.physletb.2004.05.009
2004JA03 Int.J.Mod.Phys. E13, 343 (2004) J.Jastrzebski, A.Trzcinska, P.Lubinski, B.Klos, F.J.Hartmann, T.von Egidy, S.Wycech Neutron density distributions from antiprotonic atoms compared with hadron scattering data NUCLEAR STRUCTURE 40,48Ca, 54,56,57Fe, 58,60,64Ni, 59Co, 90,96Zr, 106,116Cd, 112,116,120,124Sn, 122,124,126,128,130Te, 208Pb, 209Bi, 232Th, 238U; analyzed antiproton annihilation data; deduced neutron and proton density distributions, radii.
doi: 10.1142/S0218301304002168
2004KL06 Phys.Rev. C 69, 044311 (2004) B.Klos, S.Wycech, A.Trzcinska, J.Jastrzebski, T.Czosnyka, M.Kisielinski, P.Lubinski, P.Napiorkowski, L.Pienkowski, F.J.Hartmann, B.Ketzer, R.Schmidt, T.von Egidy, J.Cugnon, K.Gulda, W.Kurcewicz, E.Widmann Strong interaction and E2 effect in even-A antiprotonic Te atoms ATOMIC PHYSICS 122,124,126,128,130Te(p-bar, X), E at 106, 300 MeV/c; measured X-ray spectra from antiprotonic atoms; deduced level widths and shifts, nuclear resonance effect. 122,124,126,128,130Te deduced relative neutron, proton radii, neutron density at periphery.
doi: 10.1103/PhysRevC.69.044311
2004SU27 Phys.Rev. C 70, 052501 (2004) Neutrinoless double electron capture: A tool to search for Majorana neutrinos RADIOACTIVITY 112Sn, 136Ce, 152Gd, 162,164Er, 180W(2EC); calculated neutrinoless double electron capture rates. Experimental feasibility discussed.
doi: 10.1103/PhysRevC.70.052501
2004WY01 Nucl.Instrum.Methods Phys.Res. B214, 164 (2004) Studies of the nuclear surface with antiprotonic atoms NUCLEAR STRUCTURE 40,42,44,48Ca, 112,116,120,124Sn; analyzed antiprotonic-atom X-ray data; deduced neutron and proton radii.
doi: 10.1016/j.nimb.2003.08.022
2004WY02 Acta Phys.Pol. B35, 1223 (2004) On the Atomic Resonances in the 0ν2EC Transitions
2003ER03 Nucl.Phys. A721, 653c (2003) T.E.O.Ericson, B.Loiseau, S.Wycech Electromagnetic corrections to π-p scattering length from pionic hydrogen
doi: 10.1016/S0375-9474(03)01145-X
2003GR28 Phys.Rev. C 68, 061601 (2003) η-π mixing close to the η-helium threshold NUCLEAR REACTIONS 2H(p, π0), E at 1.55-1.6 GeV/c; calculated amplitudes; analyzed σ; deduced η-π mixing ratio. K-matrix formalism.
doi: 10.1103/PhysRevC.68.061601
2003SC13 Phys.Rev. C 67, 044308 (2003) R.Schmidt, A.Trzcinska, T.Czosnyka, T.von Egidy, K.Gulda, F.J.Hartmann, J.Jastrzebski, B.Ketzer, M.Kisielinski, B.Klos, W.Kurcewicz, P.Lubinski, P.Napiorkowski, L.Pienkowski, R.Smolanczuk, E.Widmann, S.Wycech Nucleon density in the nuclear periphery determined with antiprotonic x rays: Cadmium and tin isotopes NUCLEAR REACTIONS 106,116Cd, 112,116,120,124Sn(p-bar, X), E at rest; measured antiprotonic x-ray spectra. 106,116Cd, 112,116,120,124Sn deduced nucleon density distributions, radii. Comparison with previous data and model predictions. ATOMIC PHYSICS 106,116Cd, 112,116,120,124Sn; measured antiprotonic x-ray spectra; deduced atomic level widths and shifts.
doi: 10.1103/PhysRevC.67.044308
2002HA01 Phys.Rev. C65, 014306 (2002) F.J.Hartmann, R.Schmidt, B.Ketzer, T.von Egidy, S.Wycech, R.Smolanczuk, T.Czosnyka, J.Jastrzebski, M.Kisielinski, P.Lubinski, P.Napiorkowski, L.Pienkowski, A.Trzcinska, B.Klos, K.Gulda, W.Kurcewicz, E.Widmann Nucleon Density in the Nuclear Periphery Determined with Antiprotonic X Rays: Calcium isotopes ATOMIC PHYSICS 16O, 40,42,43,44,48Ca(p-bar, X), E at rest; measured antiprotonic X-ray spectra; deduced level widths. 40,42,43,44,48Ca deduced neutron density distribution features. NUCLEAR REACTIONS 16O, 40,42,43,44,48Ca(p-bar, X), E at rest; measured antiprotonic X-ray spectra; deduced level widths. 40,42,43,44,48Ca deduced neutron density distribution features.
doi: 10.1103/PhysRevC.65.014306
2002SU01 Acta Phys.Pol. B33, 471 (2002) On the Existence of Neutrino-Less Double Electron Capture Transitions RADIOACTIVITY 92Mo, 108Cd, 180W, 196Hg(2EC); calculated T1/2 for radiative 0ν-accompanied two-EC decay. Possible experiment discussed.
2001CU01 Phys.Rev. C63, 027301 (2001) J.Cugnon, S.Wycech, J.Jastrzebski, P.Lubinski Geometrical Effects in Antiproton Annihilation on Nuclei
doi: 10.1103/PhysRevC.63.027301
2001HA49 Acta Phys.Hung.N.S. 13, 51 (2001) F.J.Hartmann, R.Schmidt, T.von Egidy, J.Jastrzebski, P.Lubinski, L.Pienkowski, A.Trzcinska, R.Smolanczuk, S.Wycech, B.Klos Study of the Nuclear Periphery and Antiprotons
doi: 10.1556/APH.13.2001.1-3.7
2001LO03 Phys.Rev. C63, 034003 (2001) πΛΣ Coupling Extracted from Hyperonic Atoms NUCLEAR STRUCTURE 27Al, 28Si, 40Ca, 208Pb; analyzed hyperonic atoms level widths, related data; deduced pion-hyperon coupling constants.
doi: 10.1103/PhysRevC.63.034003
2001PA44 Phys.Rev. C64, 064301 (2001) K.Pachucki, S.Wycech, J.Zylicz, M.Pfutzner Nuclear-Spin Mixing Oscillations in 229Th89+ NUCLEAR STRUCTURE 229Th; calculated time-dependent nuclear level-spin mixing in hydrogenlike ion.
doi: 10.1103/PhysRevC.64.064301
2001WY01 Phys.Rev. C64, 045206 (2001) Final State Interactions in the ηd System
doi: 10.1103/PhysRevC.64.045206
2001WY03 Nucl.Phys. A692, 29c (2001) S.Wycech, representing the PS209 Collaboration Optical Potentials for the Antiproton Nucleus Interactions
doi: 10.1016/S0375-9474(01)01156-3
2000WY01 Nucl.Phys. A663-664, 529c (2000) The ηN and ηNN States
doi: 10.1016/S0375-9474(99)00648-X
1999GR18 Phys.Rev. C60, 035208 (1999) Coupled K-Matrix Description of the Reactions πN → πN, πN → ηN, γN → πN, and γN → ηN NUCLEAR REACTIONS 1n, 1H(π, π), (π, X), (γ, π), (γ, X), E(cm)=1350-1700 MeV; analyzed η-meson production data; deduced K-matrix parameters, interference effects.
doi: 10.1103/PhysRevC.60.035208
1999HA41 Nucl.Phys. A655, 289c (1999) F.J.Hartmann, T.Czosnyka, K.Gulda, J.Jastrzebski, B.Ketzer, M.Kisielinski, B.Klos, J.Kulpa, W.Kurcewicz, P.Lubinski, P.Napiorkowski, L.Pienkowski, R.Schmidt, R.Smolanczuk, A.Trzcinska, T.von Egidy, E.Widmann, S.Wycech Antiprotonic Atoms as a Tool to Study the Nuclear Periphery
doi: 10.1016/S0375-9474(99)00215-8
1999SC35 Phys.Rev. C60, 054309 (1999) R.Schmidt, F.J.Hartmann, B.Ketzer, T.von Egidy, T.Czosnyka, J.Jastrzebski, M.Kisielinski, P.Lubinski, P.Napiorkowski, L.Pienkowski, A.Trzcinska, B.Klos, R.Smolanczuk, S.Wycech, W.Poschl, K.Gulda, W.Kurcewicz, E.Widmann Composition of the Nuclear Periphery from Antiproton Absorption using Short-Lived Residual Nuclei NUCLEAR REACTIONS 48Ca, 100Mo, 104Ru, 112,124Sn, 116Cd(p-bar, X), E at rest; measured Eγ, Iγ(t) following residual nucleus decay; deduced yields, isomeric ratios. 48Ca, 100Mo, 104Ru, 112,124Sn, 116Cd deduced peripheral neutron-to-proton ratios, effective scattering lengths of antiprotons. Comparison with Hartree-Fock-Bogoliubov calculations.
doi: 10.1103/PhysRevC.60.054309
1999SC49 Hyperfine Interactions 118, 67 (1999) R.Schmidt, T.Czosnyka, K.Gulda, F.J.Hartmann, J.Jastrzebski, B.Ketzer, B.Klos, J.Kulpa, W.Kurcewicz, P.Lubinski, P.Napiorkowski, L.Pienkowski, R.Smolanczuk, A.Trzcinska, T.von Egidy, E.Widmann, S.Wycech Determination of the proton and neutron densities at the nuclear periphery with antiprotonic X-rays and (p-bar)-nucleus reactions NUCLEAR REACTIONS 172,176Yb(p-bar, X), E at rest; measured X-ray spectra; deduced strong interaction shifts, widths. 172,176Yb deduced surface nucleon densities. ATOMIC PHYSICS 172,176Yb(p-bar, X), E at rest; measured X-ray spectra; deduced strong interaction shifts, widths. 172,176Yb deduced surface nucleon densities.
doi: 10.1023/A:1012680402100
1999WY01 Nucl.Phys. A655, 257c (1999) S.Wycech, T.Czosnyka, T.von Egidy, E.J.Hartmann, J.Jastrzebski, B.Klos, J.Kulpa, P.Lubinski, L.Pienkowski, R.Smolanczuk, R.Schmidt, A.Trzcinska Nuclear Interactions of Antiprotons: Theory
doi: 10.1016/S0375-9474(99)00210-9
1998AR18 Phys.Rev. C58, 3636 (1998) R.A.Arndt, A.M.Green, R.L.Workman, S.Wycech Energies and Residues of the Nucleon Resonances N(1535) and N(1650) NUCLEAR STRUCTURE 1n, 1H; calculated resonances E, Γ, pole positions.
doi: 10.1103/PhysRevC.58.3636
1998KA27 Phys.Rev. C57, 3085 (1998) F.F.Karpeshin, S.Wycech, I.M.Band, M.B.Trzhaskovskaya, M.Pfutzner, J.Zylicz Rates of Transitions between the Hyperfine-Splitting Components of the Ground-State and the 3.5 eV Isomer in 229Th89+ NUCLEAR STRUCTURE 229Th; calculated nuclear spin mixing due to hyperfine interactions, transition rates in hydrogen-like ion.
doi: 10.1103/PhysRevC.57.3085
1998KU29 Acta Phys.Pol. B29, 3077 (1998) The Aborptive ρ2 Terms in the η Optical Potential
1998LU05 Phys.Rev. C57, 2962 (1998) P.Lubinski, J.Jastrzebski, A.Trzcinska, W.Kurcewicz, F.J.Hartmann, W.Schmid, T.von Egidy, R.Smolanczuk, S.Wycech Composition of the Nuclear Periphery from Antiproton Absorption NUCLEAR REACTIONS 45Sc, 56Fe, 58Ni, 96Zr, 96Ru, Cd, 106Cd, 128,130Te, Te, 144,154Sm, 148Nd, Eu, 160Gd, Yb, 176Yb, 206Pb, 232Th, 238U(p-bar, X), E at rest; measured Eγ, Iγ; deduced annihilation products yields, isomeric ratios, charge exchange processes. 58Ni, 96Ru, 96Zr, 106Cd, 128,130Te, 144,154Sm, 148Nd, 160Gd, 176Yb, 232Th, 238U deduced nuclear periphery neutron-to-proton density ratios, related features. Radiochemical methods. Shell model calculations.
doi: 10.1103/PhysRevC.57.2962
1998SC43 Phys.Rev. C58, 3195 (1998) R.Schmidt, F.J.Hartmann, T.von Egidy, T.Czosnyka, J.Iwanicki, J.Jastrzebski, M.Kisielinski, P.Lubinski, P.Napiorkowski, L.Pienkowski, A.Trzcinska, J.Kulpa, R.Smolanczuk, S.Wycech, B.Klos, K.Gulda, W.Kurcewicz, E.Widmann Nucleon Density of 172Yb and 176Yb at the Nuclear Periphery Determined with Antiprotonic x Rays NUCLEAR REACTIONS 172,176Yb(p-bar, X), E at rest; measured x-ray spectra; deduced widths and shifts due to strong interaction. 172,176Yb deduced nucleon density at nuclear periphery.
doi: 10.1103/PhysRevC.58.3195
1997GR05 Phys.Rev. C55, R2167 (1997) η-Nucleon Scattering Length and Effective Range
doi: 10.1103/PhysRevC.55.R2167
1996GR17 Phys.Rev. C54, 1970 (1996) A.M.Green, J.A.Niskanen, S.Wycech η-Deuteron Scattering NUCLEAR REACTIONS 2H(X, X), E=low; calculated ηd-scattering length; deduced need to go beyond fixed nucleon approximation.
doi: 10.1103/PhysRevC.54.1970
1996WY01 Phys.Rev. C54, 1832 (1996) S.Wycech, J.Skalski, R.Smolanczuk, J.Dobaczewski, J.R.Rook Antiprotonic Studies of Nuclear Neutron Halos NUCLEAR STRUCTURE 58Ni, 96Zr, 130Te, 144,154Sm, 176Yb, 232Th, 238U; calculated p-bar atomic capture, nucleon capture associated σ(A-1), σ(np). Asymptotic density, Hartree-Fock, HFB models.
doi: 10.1103/PhysRevC.54.1832
1996WY02 Acta Phys.Pol. B27, 2981 (1996) Simple Analysis of the Threshold Meson Production in pp Collisions
1995WY01 Phys.Rev. C52, 544 (1995) S.Wycech, A.M.Green, J.A.Niskanen Are There η-Helium Bound States ( Question ) NUCLEAR REACTIONS 2H(p, X), (d, X), E not given; calculated eta production (amplitude)2, amplitude vs eta momentum; deduced (eta-4He) quasibound state evidence. Multiple scattering theory.
doi: 10.1103/PhysRevC.52.544
1994LU13 Phys.Rev.Lett. 73, 3199 (1994) P.Lubinski, J.Jastrzebski, A.Grochulska, A.Stolarz, A.Trzcinska, W.Kurcewicz, F.J.Hartmann, W.Schmid, T.von Egidy, J.Skalski, R.Smolanczuk, S.Wycech, D.Hilscher, D.Polster, H.Rossner Neutron Halo in Heavy Nuclei from Antiproton Absorption NUCLEAR REACTIONS 58Ni, 96Zr, 96Ru, 130Te, 154,144Sm, 176Yb, 232Th, U(p-bar, X), E at 200 MeV/c; measured residuals production yield; deduced neutron halo features.
doi: 10.1103/PhysRevLett.73.3199
1993JA09 Nucl.Phys. A558, 405c (1993) J.Jastrzebski, H.Daniel, T.von Egidy, A.Grabowska, Y.S.Kim, W.Kurcewicz, P.Lubinski, G.Riepe, W.Schmid, A.Stolarz, S.Wycech Signature of Neutron Halo in 232Th from Antiproton Absorption NUCLEAR REACTIONS 232Th(p-bar, X), E at rest; measured Eγ, Iγ; deduced evidence for 231Th, 231Ac. 232Th deduced neutron, proton densities, neutron halo evidence.
doi: 10.1016/0375-9474(93)90409-Q
1993WY03 Nucl.Phys. A561, 607 (1993) S.Wycech, F.J.Hartmann, H.Daniel, W.Kanert, H.S.Plendl, T.von Egidy, J.J.Reidy, M.Nicholas, L.A.Redmond, H.Koch, A.Kreissl, H.Poth, D.Rohmann Antiprotonic Atoms with Heavy Nuclei NUCLEAR REACTIONS 126,130Te, 150,152Sm, 194,196Pt, 94,98Mo(p-bar, X), E=low; measured X-ray spectra; deduced optical potential features, atomic level widths, shifts. ATOMIC PHYSICS 126,130Te, 150,152Sm, 194,196Pt, 94,98Mo(p-bar, X), E=low; measured X-ray spectra; deduced optical potential features, atomic level widths, shifts.
doi: 10.1016/0375-9474(93)90068-9
1993WY04 Nucl.Phys. A562, 446 (1993) The Production of the Exotic Atoms π+π-, K+π- and K+K- NUCLEAR REACTIONS 1,2H(p, X), E=threshold; calculated exotic atom production estimates.
doi: 10.1016/0375-9474(93)90207-E
1993WY05 Acta Phys.Pol. B24, 1795 (1993) Mesonic Effects in Antiprotonic Atoms NUCLEAR REACTIONS 232Th(p-bar, X), E at rest; calculated correction factor in atomic level widths. Anti-protonic atoms. ATOMIC PHYSICS 232Th(p-bar, X), E at rest; calculated correction factor in atomic level widths. Anti-protonic atoms.
1992WY01 Z.Phys. A344, 117 (1992) Antiprotonic Helium NUCLEAR STRUCTURE 3,4He; calculated anti-protonic level widths, shifts. Multiple scattering formalism, correct treatment of nucleon number, correlations. ATOMIC PHYSICS 3,4He; calculated anti-protonic level widths, shifts. Multiple scattering formalism, correct treatment of nucleon number, correlations.
doi: 10.1007/BF01291028
1991GR17 Phys.Lett. 265B, 223 (1991) A.M.Green, B.Moussallam, J.A.Niskanen, M.E.Sainio, S.Wycech Violation of G-Parity in Antinucleon-Nucleon Annihilation NUCLEAR REACTIONS 1H(n-bar, π+π0), E at 0.39 GeV/c; calculated σ asymmetry. G-parity violation.
doi: 10.1016/0370-2693(91)90045-R
1991LI21 Phys.Lett. 260B, 15 (1991) G.Q.Liu, J.-M.Richard, S.Wycech Simple Approaches to Antiprotonic Deuterium ATOMIC PHYSICS 2H(p-bar, p-bar), E at rest; calculated antiprotonic deuterium level shift, width. Simple potential model.
doi: 10.1016/0370-2693(91)90962-P
1990WY01 Z.Phys. A335, 355 (1990) On the Fine-Structure Splitting in p(bar) Atoms NUCLEAR REACTIONS 174Yb(p-bar, X), E at rest; calculated antiprotonic level shifts, widths. ATOMIC PHYSICS 174Yb(p-bar, X), E at rest; calculated antiprotonic level shifts, widths.
1990WY03 Phys.Lett. 252B, 27 (1990) On the E2-Resonance in Antiprotonic 148Nd NUCLEAR REACTIONS 148Nd(p-bar, X), E not given; analyzed data; deduced limitations on anti-protonic level shifts, widths. ATOMIC PHYSICS 148Nd(p-bar, X), E not given; analyzed data; deduced limitations on anti-protonic level shifts, widths.
doi: 10.1016/0370-2693(90)91074-L
1989LI12 Nucl.Phys. A495, 622 (1989) The Effect of the Continuum States on the Dynamic E2 Mixing in Antiprotonic Atoms ATOMIC PHYSICS 174Yb; calculated antiprotonic atom transition energies; deduced continuum states role. Green function method.
doi: 10.1016/0375-9474(89)90364-3
1988GR13 Nucl.Phys. A483, 619 (1988) The Effect of a Deformed Nucleus in Antiprotonic Atoms NUCLEAR STRUCTURE 174Yb; calculated nuclear deformation role in anti-protonic level energies.
doi: 10.1016/0375-9474(88)90087-5
1987GR20 Nucl.Phys. A467, 744 (1987) Widths of 4f Antiprotonic Levels in the Oxygen Region NUCLEAR STRUCTURE 14N, 16,17,18O, 19F, 23Na; calculated 4f antiprotonic level widths. Dover-Richard nucleon-antinucleon potential.
doi: 10.1016/0375-9474(87)90394-0
1985WY01 Phys.Lett. 152B, 308 (1985) S.Wycech, A.M.Green, J.A.Niskanen On the Energy Levels in Antiprotonic Deuterium ATOMIC PHYSICS 2H(p-bar, p-bar), E at rest; calculated antiprotonic level shifts, Γ. Separable potentials.
doi: 10.1016/0370-2693(85)90501-5
1983GR11 Nucl.Phys. A399, 307 (1983) A.Green, W.Stepien-Rudzka, S.Wycech Atomic Antiproton States in 16O, 18O, 32S, 40Ca, 44Ca, and 122Sn ATOMIC PHYSICS 16,18O, 32S, 40,44Ca, 122Sn; calculated antiprotonic atomic state level shifts, widths. Nucleon-antinucleon based optical potential.
doi: 10.1016/0375-9474(83)90251-8
1972RO11 Phys.Lett. 39B, 469 (1972) Energy Shifts and Widths of K--mesic Atom Levels
doi: 10.1016/0370-2693(72)90320-6
1969MO19 Phys.Letters 30B, 223 (1969) P.Moller, S.G.Nilsson, A.Sobiczewski, Z.Szymanski, S.Wycech Nonperturbative Treatment of the P3 Degree of Freedom of the Nuclear Potential at Equilibrium and Fission Distortions NUCLEAR STRUCTURE 236U, 244Cm, 252Fm; calculated energy surface, octupole stiffness parameter. Strutinsky method.
doi: 10.1016/0370-2693(69)90422-5
1969NI13 Nucl.Phys. A131, 1 (1969) S.G.Nilsson, C.F.Tsang, A.Sobiczewski, Z.Szymanski, S.Wycech, C.Gustafson, I.-L.Lamm, P.Moller, B.Nilsson On the Nuclear Structure and Stability of Heavy and Superheavy Elements
doi: 10.1016/0375-9474(69)90809-4
1969WY02 Izv.Akad.Nauk SSSR, Ser.Fiz. 33, 1263 (1969); Bull.Acad.Sci.USSR, Phys.Ser. 33, 1169 (1970) S.Wycech, A.Sobiczewski, Z.Szymanski, S.G.Nilsson, J.R.Nix, H.F.Tsang, C.Gustafson, P.Moller, B.Nilsson Microscopic Values for the Mass Parameter of Heavy and Superheavy Nuclei NUCLEAR STRUCTURE 228,230,232,234Th, 230,232,234,236,238,240U, 234,236,238,240,242,244,246Pu, 238,240,242,244,246,248,250,252Cm, 244,246,248,250,252,254,256Cf, 248,250,252,254,256,258,260Fm, 250,252,254,256,258No, 258,260,262Rf; calculated mass parameter.
1968MO30 Phys.Lett. B 26, 418 (1968) P.Moller, B.Nilsson, S.G.Nilsson, A.Sobiczewski, Z.Szymanski, S.Wycech Hexadecapole equilibrium distortions of nuclei NUCLEAR STRUCTURE 230,232Th, 234,236,238U, 236,238,240,242Pu, 242,244,246,248Cm, 248,250,252Cf, 252,254Fm, 262No, 266Rf, 270,272Sg; calculated hexadecapole deformation parameters with nuclear deformed shell model. Comparison with available data.
doi: 10.1016/0370-2693(68)90582-0
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