NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = M.Schepkin Found 35 matches. 2008AL24 Bull.Rus.Acad.Sci.Phys. 72, 769 (2008) V.G.Alpatov, Yu.D.Bayukov, A.V.Davydov, Yu.N.Isaev, G.R.Kartashov, M.M.Korotkov, V.V.Migachev, I.N.Rozantsev, M.G.Shchepkin Experiments on the search for the effect of resonant screening on the probability of Mossbauer absorption of 119mSn gamma rays NUCLEAR REACTIONS 119Sn(γ, γ), E=23.8 keV; measured Mossbauer absorption spectrum in the presence of a resonant absorber screen.
doi: 10.3103/S1062873808060129
2007AN34 Eur.Phys.J. A 34, 255 (2007) N.Angelov, S.Baginyan, F.Balestra, Yu.Batusov, I.Belolaptikov, A.Bianconi, T.Blokhintseva, A.Bonyushkina, V.Butenko, M.Chiosso, M.L.Colantoni, A.Demyanov, V.Drozdov, L.Fava, A.Ferrero, V.Frolov, R.Garfagnini, I.Gnesi, A.Grasso, V.Grebenyuk, V.Ivanov, A.Kirilov, V.Kovalenko, E.Lodi Rizzini, V.Lyashenkov, A.Maggiora, M.Maggiora, A.Moiseenko, V.Panyushkin, D.Panzieri, B.Parsamyan, G.Piragino, G.Pontecorvo, V.Pryanichnikov, A.Rozhdestvensky, N.Russakovich, M.Schepkin, I.Smirnova, L.Venturelli, G.F.Zosi Two-prong π-4He interactions at 106 MeV NUCLEAR REACTIONS 4He(π-, π-), (π-, π-γ), (π-, π-n), E=106 MeV; measured Eγ, Iγ, σ(θ), branching ratios using a streamer chamber.
doi: 10.1140/epja/i2007-10514-3
2006AN37 Nuovo Cim. B 121, 771 (2006) N.S.Angelov, S.A.Baginyan, Yu.A.Batusov, I.A.Belolaptikov, T.D.Blokhintseva, A.Yu.Bonyushkina, V.A.Butenko, A.A.Demyanov, V.A.Drozdov, V.N.Frolov, V.M.Grebenyuk, V.V.Ivanov, A.S.Kirilov, V.E.Kovalenko, V.I.Lyashenko, A.S.Moiseenko, V.A.Panyushkin, G.Pontecorvo, V.I.Pryanichnikov, A.M.Rozhdestvensky, N.A.Russakovich, I.Ye.Smirnova, F.Balestra, L.Busso, M.P.Bussa, M.Chiosso, M.L.Colantoni, A.Ferrero, L.Ferrero, R.Garfagnini, I.Gnesi, A.Grasso, A.Maggiora, M.Maggiora, G.Piragino, G.F.Zosi, L.Fava, D.Panzieri, A.Bianconi, E.Lodi Rizzini, L.Venturelli, M.G.Schepkin π±-4He interactions at 218 MeV/c NUCLEAR REACTIONS 4He(π+, π+), (π+, π+'), (π+, π+n), (π+, π0p), (π-, π-), (π-, π-'), (π-, π-n), E at 218 MeV/c; measured σ(θ), branching ratios.
doi: 10.1393/ncb/i2007-10010-y
2006BA30 Eur.Phys.J. A 28, 11 (2006) Yu.A.Batusov, T.D.Blokhintseva, G.B.Pontecorvo, F.Balestra, M.P.Bussa, G.Piragino, M.G.Schepkin Resonant behaviour in double charge exchange reaction of π+-mesons on the nuclear photoemulsion NUCLEAR REACTIONS 40Ca(π+, π-), E=20-300 MeV; analysed σ(θ=5°). 79,81Br, 107,109Ag(π+, 2pπ-X), E=40-140 MeV; analysed invariant mass spectra; deduced resonance features. Emulsion target, final state interaction discussed.
doi: 10.1140/epja/i2006-10010-4
2003NE04 Phys.Rev. C 67, 015201 (2003) A.V.Nefediev, M.G.Schepkin, H.A.Clement Collision damping in the π3He → d'N reaction near the threshold NUCLEAR REACTIONS 3He(π, d), E ≈ 60-120 MeV; calculated d' resonance production σ, survival probability; deduced role of collision damping. Comparison with data.
doi: 10.1103/PhysRevC.67.015201
2003PA17 Phys.Rev. C 67, 052202 (2003) J.Patzold, M.Bashkanov, R.Bilger, W.Brodowski, H.Calen, H.Clement, C.Ekstrom, K.Fransson, J.Greiff, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, W.Oelert, R.J.M.Y.Ruber, M.Schepkin, W.Scobel, J.Stepaniak, A.Sukhanov, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, J.Zabierowski, J.Zlomanczuk The pp → ppπ+π- reaction studied in the low-energy tail of the Roper resonance NUCLEAR REACTIONS 1H(p, pπ+π-), E=775 MeV; measured σ(θ), invariant mass distributions; deduced Roper resonance contribution, decay branching ratio.
doi: 10.1103/PhysRevC.67.052202
2003SE12 Eur.Phys.J. A 18, 321 (2003) I.Seluzhenkov, M.Schepkin, H.Clement Charge "asymmetry" from the isospin symmetry in pp → ppπ+π- NUCLEAR REACTIONS 1H(p, pπ+π-), E not given; analyzed invariant mass spectra, asymmetry features. Phenomenological approach.
doi: 10.1140/epja/i2002-10226-2
2002BR19 Phys.Rev.Lett. 88, 192301 (2002) W.Brodowski, R.Bilger, H.Calen, H.Clement, C.Ekstrom, K.Fransson, J.Greiff, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, W.Oelert, J.Patzold, R.J.M.Y.Ruber, M.Schepkin, W.Scobel, I.Seluzhenkov, J.Stepaniak, A.Sukhanov, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, J.Zabierowski, J.Zlomanczuk Exclusive Measurement of the pp → ppπ+π- Reaction Near Threshold NUCLEAR REACTIONS 1H(p, pπ+π-), E=650, 680, 725, 750 MeV; measured σ, σ(θ), invariant mass distributions; deduced resonance contributions, other reaction mechanism features.
doi: 10.1103/PhysRevLett.88.192301
2002BR51 Phys.Lett. 550B, 147 (2002) W.Brodowski, J.Patzold, R.Bilger, H.Calen, H.Clement, C.Ekstrom, K.Fransson, J.Greiff, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, W.Oelert, R.J.M.Y.Ruber, M.Schepkin, W.Scobel, J.Stepaniak, A.Sukhanov, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, J.Zabierowski, J.Zlomanczuk Search for narrow NNπ resonances in exclusive pp → ppπ+π- measurements NUCLEAR REACTIONS 1H(p, pπ+π-), E=725, 750, 775 MeV; measured invariant mass spectra; deduced dibaryon resonance production σ upper limit.
doi: 10.1016/S0370-2693(02)02971-4
2002CL04 Phys.Rev. C 66, 054606 (2002) J.L.Clark, M.E.Sevior, H.Clement, J.Grater, R.Meier, G.J.Wagner, P.-A.Amaudruz, L.Felawka, G.J.Hofman, D.Ottewell, G.R.Smith, A.Ambardar, M.Kermani, G.Tagliente, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, E.L.Mathie, R.Tacik, D.M.Yeomans, E.F.Gibson, J.T.Brack, M.Schepkin Semiexclusive pionic double charge exchange on 4He NUCLEAR REACTIONS 4He(π+, π-2p), E=105, 115 MeV; measured invariant mass spectra; deduced sequential single charge exchange, no dibaryon resonance.
doi: 10.1103/PhysRevC.66.054606
2002SC10 Yad.Fiz. 65, 369 (2002); Phys.Atomic Nuclei 65, 345 (2002) M.G.Schepkin, I.V.Seluzhenkov, H.Clement NN Correlations in a Multinucleon System NUCLEAR REACTIONS 3He(π+, 3pπ0), E not given; 3He(π-, 2npπ0), E not given; calculated final-state interaction effects. Migdal-Watson effect, Pauli exclusion principle.
doi: 10.1134/1.1451952
2001SI24 Eur.Phys.J. A 10, 365 (2001) U.Siodlaczek, P.Achenbach, J.Ahrens, J.R.M.Annand, H.-J.Arends, R.Beck, R.Bilger, H.Clement, V.Hejny, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, J.C.McGeorge, V.Metag, R.Novotny, V.Olmos de Leon, F.Rambo, M.Schepkin, A.Schmidt, I.Seluzhenkov, H.Stroher, G.J.Wagner, Th.Walcher, J.Weiss, F.Wissmann, M.Wolf Coherent and Incoherent π0 Photoproduction from the Deuteron NUCLEAR REACTIONS 2H(γ, π0), (γ, π0n), E=140-306 MeV; measured missing energy spectra, σ(θ), σ. Tagged photons.
doi: 10.1007/s100500170120
2000BI06 Nucl.Phys. A663-664, 469c (2000) R.Bilger, W.Brodowski, H.Calen, H.Clement, J.Dyring, C.Ekstrom, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, A.Khoukaz, K.Kilian, S.Kullander, A.Kupsc, P.Marciniewski, B.Morosov, A.Mortsell, W.Oelert, J.Patzold, R.J.M.Y.Ruber, M.G.Schepkin, J.Stepaniak, A.Sukhanov, P.Sundberg, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, J.Zabierowski, A.Zernov, J.Zlomanczuk 2π Production in pp Collisions Close to Threshold NUCLEAR REACTIONS 1H(p, pπ-π+), E=750 MeV; measured missing mass spectrum; deduced reaction mechanism features.
doi: 10.1016/S0375-9474(99)00633-8
2000BR55 Acta Phys.Pol. B31, 2295 (2000) W.Brodowski, R.Bilger, H.Clement, J.Patzold, G.J.Wagner, H.Calen, C.Ekstrom, J.Dyring, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, S.Kullander, A.Mortsell, R.J.M.Y.Ruber, P.Sundberg, J.Zlomanczuk, K.Kilian, W.Oelert, A.Kupsc, P.Marciniewski, J.Stepaniak, B.Morosov, A.Sukhanov, A.Zernov, M.G.Schepkin, A.Turowiecki, Z.Wilhelmi, J.Zabierowski Exclusive Measurement of pp → ppπ+π- at CELSIUS NUCLEAR REACTIONS 1H(p, pπ+π-), E=750 MeV; measured invariant mass spectra, σ(θ); deduced possible resonance contributions. Comparison with model predictions.
2000DR19 Phys.Rev. C62, 064615 (2000) J.Draeger, R.Bilger, H.Clement, M.Croni, H.Denz, J.Grater, R.Meier, J.Patzold, D.Schapler, G.J.Wagner, O.Wilhelm, K.Fohl, M.Schepkin Systematics of the Low-Energy Pionic Double Charge Exchange in Nuclei NUCLEAR REACTIONS 7Li, 12C, 16O, 56Fe(π+, π-), E=30-90 MeV; measured σ(E, θ); 40Ca, 93Nb(π+, π-), E=30-90 MeV; analyzed σ(E, θ); deduced energy and mass dependence features. Comparisons with theoretical calculations, dibaryon hypothesis.
doi: 10.1103/PhysRevC.62.064615
2000SI10 Nucl.Phys. A663-664, 428c (2000) U.Siodlaczek, P.Achenbach, J.Ahrens, H.-J.Arends, R.Beck, R.Bilger, H.Clement, V.Hejny, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, V.Metag, R.Novotny, V.Olmos de Leon, F.Rambo, M.Schepkin, A.Schmidt, M.Schumacher, H.Stroher, G.J.Wagner, Th.Walcher, J.Weiss, F.Wissmann, M.Wolf Measurement of Coherent and Incoherent π0 Photoproduction Off the Deuteron with Tagged Photons Up to the Δ Region NUCLEAR REACTIONS 2H(γ, π0), E=130-306 MeV; measured pions missing energy spectra, σ(θ). Tagged photons.
doi: 10.1016/S0375-9474(99)00675-2
2000SI39 Eur.Phys.J. A 9, 309 (2000) U.Siodlaczek, P.Achenbach, J.Ahrens, H.-J.Arends, R.Beck, R.Bilger, H.Clement, V.Hejny, J.D.Kellie, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, J.C.McGeorge, V.Metag, R.Novotny, V.Olmos de Leon, F.Rambo, M.Schepkin, A.Schmidt, H.Stroher, G.J.Wagner, Th.Walcher, J.Weiss, F.Wissmann, M.Wolf Search for Narrow Dibaryon Resonances in Neutral Pion Photoproduction from the Deuteron NUCLEAR REACTIONS 2H(γ, π0), E=140-300 MeV; measured σ(θ, E); deduced absence of resonances in the 2-baryon system.
doi: 10.1007/s100500070015
1999BE04 Phys.Lett. 446B, 179 (1999) A.Betsch, R.Bilger, W.Brodowski, H.Calen, H.Clement, J.Dyring, C.Ekstrom, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, J.Johanson, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, G.Kurz, P.Marciniewski, B.Morosov, A.Mortsell, W.Oelert, J.Patzold, R.J.M.Y.Ruber, M.G.Schepkin, J.Stepaniak, A.Sukhanov, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, J.Zabierowski, A.Zernov, J.Zlomanczuk Observation of Strong Final-State Effects in π+ Production in pp Collisions at 400 MeV NUCLEAR REACTIONS 1H(p, π+), (p, pπ+), E=400 MeV; measured pions, protons σ(θ), missing mass spectra; deduced final state interaction effects.
doi: 10.1016/S0370-2693(98)01524-X
1999GR01 Eur.Phys.J. A 4, 5 (1999) J.Grater, P.A.Amaudruz, R.Bilger, P.Camerini, J.Clark, H.Clement, E.Friedman, L.Felawka, S.N.Filippov, E.Friagiacomo, Yu.K.Gavrilov, E.Gibson, N.Grion, G.J.Hofman, B.Jamieson, T.L.Karavicheva, M.Kermani, E.L.Mathie, R.Meier, G.Moloney, D.Ottewell, J.Patzold, O.Patarakin, K.Raywood, R.Rui, M.Schepkin, M.E.Sevior, G.R.Smith, H.Staudenmaier, R.Tacik, G.Tagliente, G.J.Wagner, M.Yeomans Search for a Bound Trineutron with the 3He(π-π+)nnn Reaction NUCLEAR REACTIONS 3He(π-, π+), E=65, 75, 120 MeV; measured three-neutron system invariant mass spectra; deduced no trineutron bound state or unbound resonance.
doi: 10.1007/s100500050196
1998CL08 Acta Phys.Pol. B29, 2999 (1998) H.Clement, R.Bilger, A.Denig, K.Fohl, J.Grater, W.Kluge, R.Meier, J.Patzold, M.G.Schepkin, G.J.Wagner, for the LEPS Collaboration Pionic Double Charge Exchange
1998PA19 Phys.Lett. 428B, 18 (1998) J.Patzold, R.Bilger, H.Clement, A.Denig, K.Fohl, J.Grater, W.Kluge, R.Meier, M.Schepkin, G.J.Wagner, O.Wilhelm Pionic Double Charge Exchange on 93Nb at Low Energies NUCLEAR REACTIONS 93Nb(π+, π-), (π+, π+), E=30-60 MeV; measured σ(E, θ), ground state transitions; deduced resonance features. d' hypothesis.
doi: 10.1016/S0370-2693(98)00369-4
1998PA40 Phys.Lett. 443B, 77 (1998) J.Patzold, R.Bilger, H.Clement, K.Fohl, J.Grater, R.Meier, D.Schapler, G.J.Wagner, A.Denig, W.Kluge, M.Schepkin The Reaction 7Li(π+, π-)7B and Its Implications for 7B NUCLEAR REACTIONS 7Li(π+, π-), E=30-90 MeV; measured σ(θ), pion spectra. 7B deduced proton halo features.
doi: 10.1016/S0370-2693(98)01261-1
1998VO05 Yad.Fiz. 61, No 5, 855 (1998); Phys.Atomic Nuclei 61, 771 (1998) L.S.Vorobyev, Yu.G.Grishuk, Yu.V.Efremenko, M.V.Kossov, S.V.Kuleshov, G.A.Leksin, N.A.Pivnyuk, A.V.Smirnitsky, V.B.Fedorov, B.B.Shvartsman, S.M.Shuvalov, M.G.Schepkin Searches for a Narrow Resonance in the ppπ- System NUCLEAR REACTIONS 1H(p, pπ-π+), E(cm)=2.29 GeV; measured invariant mass spectra; deduced possible d' resonance.
1997FO09 Phys.Rev.Lett. 79, 3849 (1997) K.Fohl, R.Bilger, H.Clement, J.Grater, R.Meier, J.Patzold, D.Schapler, G.J.Wagner, O.Wilhelm, W.Kluge, R.Wieser, M.Schepkin, R.Abela, F.Foroughi, D.Renker Pionic Double Charge Exchange on N = Z Doubly Closed Shell Nuclei NUCLEAR REACTIONS 16O, 40Ca(π+, π-), E=45-90 MeV; measured σ(θ), σ(E); deduced ground-state transitions resonance structure, spreading widths, d' collision damping.
doi: 10.1103/PhysRevLett.79.3849
1996BI03 Nucl.Phys. A596, 586 (1996) R.Bilger, H.Clement, Th.Czarnecki, K.Fohl, B.Martemyanov, M.Schepkin, L.Vorobyev, G.J.Wagner On the Electromagnetic Production of the Proposed πNN Resonance d' NUCLEAR REACTIONS 2H(e, e'X), E=high; calculated double differential σ for NNπ production; deduced d' production estimates for (e, e'X), (γ, X).
doi: 10.1016/0375-9474(95)00430-0
1996BR18 Z.Phys. A355, 5 (1996) W.Brodowski, R.Bilger, H.Calen, H.Clement, C.Ekstrom, K.Fohl, K.Fransson, L.Gustafsson, S.Haggstrom, B.Hoistad, A.Johansson, T.Johansson, K.Kilian, S.Kullander, A.Kupsc, G.Kurz, P.Marciniewski, B.Morosov, J.Moehn, A.Mortsell, W.Oelert, V.Renken, R.Ruber, M.G.Schepkin, U.Siodlaczek, J.Stepaniak, A.Sukhanov, A.Turowiecki, G.J.Wagner, Z.Wilhelmi, J.Zabierowski, A.Zernov, J.Zlomanczuk A Signal of a Narrow πNN Resonance in pp → ppπ-π+ NUCLEAR REACTIONS 1H(p, X), E=750 MeV; measured 2π-production associated missing, invariant mass spectra; deduced narrow πNN resonance.
doi: 10.1007/s002180050070
1994BI04 Phys.Rev.Lett. 72, 2972 (1994) R.Bilger, H.A.Clement, M.G.Schepkin Bilger, Clement, and Schepkin Reply
doi: 10.1103/PhysRevLett.72.2972
1994CL04 Phys.Lett. 337B, 43 (1994) H.Clement, M.Schepkin, G.J.Wagner, O.Zaboronsky On the Production of a Narrow πNN Resonance in Low Energy Pionic DCX on He Isotopes NUCLEAR REACTIONS 3,4He(π+, π-), (π-, π+), E ≈ threshold-300 MeV; analyzed σ(E). 3He(π-, π+), E ≈ threshold-150 MeV; calculated σ(E); deduced πNN(d') resonance production σ.
doi: 10.1016/0370-2693(94)91440-0
1993BI10 Phys.Rev.Lett. 71, 42 (1993) R.Bilger, H.A.Clement, M.G.Schepkin Signature of a πNN Resonance in Pionic Double Charge Exchange at Low Energies NUCLEAR REACTIONS 14C, 18O, 42,44,48Ca(π+, π-), E ≈ 20-300 MeV; analyzed σ(θ) vs E. 34S, 26Mg(π+, π-), E=50 MeV; analyzed σ(θ); deduced πNN subsystem resonance evidence.
doi: 10.1103/PhysRevLett.71.42
1993CL03 Nucl.Phys. A553, 589c (1993) H.Clement, R.Bilger, B.Broermann, R.Emmrich, K.Fohl, K.Heitlinger, C.Joram, W.Kluge, M.Moll, D.Reule, M.Schepkin, G.J.Wagner, R.Wieser, R.Abela, F.Foroughi, D.Renker Resonance-Like Behaviour of the Pionic Double Charge Exchange at Low Energies NUCLEAR REACTIONS 12C, 56Fe, 42Ca(π+, π-), E ≤ 200 MeV; analyzed σ(θ) data; deduced possible resonances in πNN-subsystem.
doi: 10.1016/0375-9474(93)90664-J
1992BI04 Z.Phys. A343, 491 (1992) R.Bilger, H.Clement, K.Fohl, K.Heitlinger, C.Joram, W.Kluge, M.Schepkin, G.J.Wagner, R.Wieser, R.Abela, F.Foroughi, D.Renker Evidence for a Dibaryon Resonance in the Pionic Double Charge Exchange NUCLEAR REACTIONS 12C(π+, π-), E=59 MeV; 56Fe(π+, π-), E=49 MeV; analyzed σ(θ); 12C, 56Fe(π+, π-), E < 200 MeV; analyzed σ(θ=5°) vs E; deduced dibaryon resonance evidence, possible J, π.
doi: 10.1007/BF01289829
1991MA49 Pisma Zh.Eksp.Teor.Fiz. 53, 132 (1991); JETP Lett.(USSR) 53, 139 (1991) B.V.Martemyanov, M.G.Shchepkin Possible Manifestations of a Narrow Dibaryon Resonance in the Interaction of Pions with Nuclei NUCLEAR REACTIONS 14C(π+, π-), E=20-110 MeV; calculated σ(θ=0°); deduced dibaryon resonance role.
1987KO40 Nucl.Phys. A473, 736 (1987) L.Kondratyuk, M.Shchepkin, M.Krivoruchenko Magnetic Moments of Multiquark States and Limit on the Six-Quark Bag Admixture in the Deuteron Wave Function NUCLEAR STRUCTURE 2H; calculated six-quark bag admixture in wave function.
doi: 10.1016/0375-9474(87)90277-6
1986KO24 Yad.Fiz. 43, 1396 (1986) L.A.Kondratyuk, M.I.Krivoruchenko, M.G.Shchepkin Magnetic Moments of Multiquark Systems and Restraints on the Six-Quark Admixture to the Deuteron Wave Function NUCLEAR STRUCTURE 2H; calculated six quark admixture, μ. Chiral bag model.
1985LU10 Nucl.Phys. B261, 143 (1985) Neutrinoless Double Beta Decay and Multiquark States in Nuclei RADIOACTIVITY 48Ca(2β); calculated decay rate, six-quark state contribution to nuclear matrix element; deduced heavy, light Majorana neutrino exchange role.
doi: 10.1016/0550-3213(85)90566-8
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