NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = R.Tacik Found 61 matches. 2006DE08 Phys.Lett. B 633, 209 (2006) H.Denz, P.Amaudruz, J.T.Brack, J.Breitschopf, P.Camerini, J.L.Clark, H.Clement, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, G.J.Hofman, B.Jamieson, E.L.Mathie, R.Meier, G.Moloney, D.Ottewell, O.Patarakin, J.D.Patterson M.M.Pavan, S.Piano, K.Raywood, R.a.Ristinen, R.Rui, M.E.Sevior, G.R.Smith, J.Stahov, R.Tacik, G.J.Wagner, F.von Wrochem, D.M.Yeomans π±p differential cross sections at low energies NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=19.9-43.3 MeV; measured σ(E, θ); deduced isospin scattering amplitude. CHAOS spectrometer.
doi: 10.1016/j.physletb.2005.12.017
2005GR28 Nucl.Phys. A763, 80 (2005) N.Grion, M.Bregant, P.Camerini, E.Fragiacomo, S.Piano, R.Rui, E.F.Gibson, G.Hofman, E.L.Mathie, R.Meier, M.E.Sevior, G.R.Smith, R.Tacik, for the CHAOS Collaboration The π → ππ process in nuclei and the restoration of chiral symmetry NUCLEAR REACTIONS 1H(π-, π+π-), (π+, 2π+), E=243, 264, 284, 305 MeV; 2H, 12C, 40Ca, 208Pb(π+, 2π+), (π+, π+π-), E=283 MeV; Sc(π+, 2π+X), (π+, π+π-X), E=243, 264, 284, 305 MeV; measured invariant mass distributions, σ(θ), correlations; deduced partial chiral symmetry restoration.
doi: 10.1016/j.nuclphysa.2005.08.017
2004CA08 Nucl.Phys. A735, 89 (2004) P.Camerini, E.Fragiacomo, N.Grion, S.Piano, R.Rui, J.Clark, L.Felawka, E.F.Gibson, G.Hofman, E.L.Mathie, R.Meier, G.Moloney, D.Ottewell, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration General properties of the pion production reaction in nuclear matter NUCLEAR REACTIONS 45Sc(π+, π+π-), (π+, π+π-p), (π+, 2π+), (π+, 2π+p), E=240-320 MeV; measured σ(E, θ), invariant mass, total σ; deduced reaction mechanism features. Comparison with previous results and model predictions.
doi: 10.1016/j.nuclphysa.2004.01.122
2003HO12 Phys.Rev. C 68, 018202 (2003) G.J.Hofman, J.Breitschopf, K.Craig, H.Denz, E.F.Gibson, E.L.Mathie, R.Meier, M.M.Pavan, C.M.Riedel, R.Tacik, G.J.Wagner Analyzing powers for π-p elastic scattering at 279 MeV NUCLEAR REACTIONS 1H(π-, π-), E=279 MeV; measured Ay(θ). Polarized target, comparison with model predictions.
doi: 10.1103/PhysRevC.68.018202
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
2002PA41 Phys.Rev. C66, 025207 (2002) J.D.Patterson, G.J.Hofman, J.T.Brack, P.Camerini, J.Clark, P.P.J.Delheij, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, B.Jamieson, E.L.Mathie, R.Meier, D.Ottewell, R.J.Peterson, K.Raywood, R.A.Ristinen, R.Rui, M.E.Sevior, G.R.Smith, R.Tacik, G.Tagliente, G.J.Wagner, D.M.Yeomans Analyzing powers for πp elastic scattering between 57 and 139 MeV NUCLEAR REACTIONS 1H(π-, π-), E=57-139 MeV; 1H(π+, π+), E=139 MeV; measured Ay(θ). Polarized target, comparison with previous results and model predictions.
doi: 10.1103/PhysRevC.66.025207
2001CA53 Phys.Rev. C64, 067601 (2001) P.Camerini, E.Fragiacomo, N.Grion, R.Rui, J.T.Brack, E.F.Gibson, G.J.Hofman, E.L.Mathie, R.Meier, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik π→ππ Results in Nuclei NUCLEAR REACTIONS 1,2H, C, 27Al, Cu(π-, 2π0), E at 408 MeV/c; 2H, 12C, 40Ca, 208Pb(π+, π+π-), (π+, 2π+), E at 399 MeV/c; analyzed invariant mass distributions. Similarities between different data sets discussed.
doi: 10.1103/PhysRevC.64.067601
2001PA45 Phys.Rev. C64, 064611 (2001) M.M.Pavan, J.T.Brack, F.Duncan, A.Feltham, G.Jones, J.Lange, K.J.Raywood, M.E.Sevior, R.Adams, D.F.Ottewell, G.R.Smith, B.Wells, R.L.Helmer, E.L.Mathie, R.Tacik, R.A.Ristinen, I.I.Strakovsky, H.-M.Staudenmaier Precision Pion-Proton Elastic Differential Cross Sections at Energies Spanning the Δ Resonance NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=141.15-267.3 MeV; measured σ(θ), (pion)(proton)-coin. Comparison with model predictions.
doi: 10.1103/PhysRevC.64.064611
2001SU13 Nucl.Phys. A689, 406c (2001) G.Suft, W.Beulertz, A.Bock, M.Frank, A.Glombik, J.Hey, B.Kowalzik, W.Kretschmer, S.Merz, H.Meyer, L.Sozuer, R.Weidmann, E.Boschitz, B.Brinkmoller, R.Meier, G.Mertens, B.van den Brandt, P.Hautle, J.A.Konter, S.Mango, L.Mathelitsch, H.Garcilazo, R.Tacik, P.Armaudruz, W.Gruebler Measurement of Polarization Transfer in Pion-Deutron Elastic Scattering NUCLEAR REACTIONS 2H(π+, π+), E=134, 180 MeV; measured polarization transfer observables. Polarized target, comparisons with model predictions.
doi: 10.1016/S0375-9474(01)00866-1
2000BO38 Nucl.Phys. A677, 213 (2000) F.Bonutti, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, J.T.Brack, L.Felawka, E.F.Gibson, G.Hofman, M.Kermani, E.L.Mathie, R.Meier, D.Ottewell, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration The ππ Interaction in Nuclear Matter from a Study of the π+A → π+π± A' Reactions NUCLEAR REACTIONS 2H, 12C, 40Ca, 208Pb(π+, π+π-), (π+, 2π+), E=283 MeV; measured two-pion invariant mass spectra, σ(θ); deduced medium modification effects.
doi: 10.1016/S0375-9474(00)00286-4
2000QU01 Nucl.Phys. A663-664, 903c (2000) M.A.Quraan, P.Amaudruz, W.Andersson, M.Comyn, Yu.Davydov, P.Depommier, J.Doornbos, W.Faszer, C.A.Gagliardi, D.R.Gill, P.Green, P.Gumplinger, J.C.Hardy, M.Hasinoff, R.Helmer, R.Henderson, A.Khruchinsky, P.Kitching, D.D.Koetke, E.Korkmaz, Y.Lachin, D.Mass, J.A.Macdonald, R.Manweiler, T.Mathie, J.R.Musser, P.Nord, A.Olin, D.Ottewell, R.Openshaw, L.Piilonen, T.Porcelli, J.-M.Poutissou, R.Poutissou, N.L.Rodning, J.Schaapman, V.Selivanov, G.Sheffer, Y.Shin, F.Sobratee, J.Soukup, T.D.S.Stanislaus, G.Stinson, R.Tacik, V.Torokhov, R.E.Tribble, M.A.Vasiliev, H.K.Walter, D.Wright A Precision Measurement of Muon Decay
doi: 10.1016/S0375-9474(99)00793-9
1999BO25 Phys.Rev. C60, 018201 (1999) F.Bonutti, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, J.T.Brack, L.Felawka, E.F.Gibson, G.Hofman, M.Kermani, E.L.Mathie, S.McFarland, R.Meier, K.Raywood, D.Ottewell, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration ππ Pairs in Nuclei and the σ Meson NUCLEAR REACTIONS 2H, 12C, 16O, 40Ca, 208Pb(π+, π+π-), (π+, 2π+), E=283 MeV; measured σ; deduced in-medium correlation effects.
doi: 10.1103/PhysRevC.60.018201
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
1998HO21 Phys.Rev. C58, 3484 (1998) G.J.Hofman, G.R.Smith, T.Ambardar, F.Bonutti, J.T.Brack, P.Camerini, J.Clark, P.P.J.Delheij, F.Farzanpay, L.Felawka, E.Fragiacomo, E.F.Gibson, J.Graeter, N.Grion, M.Kermani, E.L.Mathie, R.Meier, D.Ottewell, R.J.Peterson, R.A.Ristinen, R.Rui, M.E.Sevior, H.Staudenmaier, R.Tacik, G.J.Wagner Analyzing Powers for π±p(pol) Elastic Scattering between 87 and 263 MeV NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=87-267 MeV; measured Ay(θ); deduced phase shift analysis parameters. Polarized target.
doi: 10.1103/PhysRevC.58.3484
1998KE06 Phys.Rev. C58, 3419 (1998) M.Kermani, P.A.Amaudruz, F.Bonutti, J.T.Brack, P.Camerini, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, G.J.Hofman, R.R.Johnson, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.J.Raywood, R.Rui, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration Exclusive Measurements of π±p → π+π±n Near Threshold NUCLEAR REACTIONS 1H(π-, π-π+), (π+, 2π+), E=223, 243, 264, 284, 305 MeV; measured σ(θ(1)-θ(2)), σ(m2), σ(t), total σ; deduced model parameters.
doi: 10.1103/PhysRevC.58.3419
1998KE07 Phys.Rev. C58, 3431 (1998) M.Kermani, O.Patarakin, G.R.Smith, P.A.Amaudruz, F.Bonutti, J.T.Brack, P.Camerini, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, G.J.Hofman, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.J.Raywood, R.Rui, M.E.Sevior, R.Tacik, V.Mayorov, V.Tikhonov, and the CHAOS Collaboration ππ → ππ Cross Sections Near Threshold NUCLEAR REACTIONS 1H(π-, π-π+), (π+, 2π+), E=223, 243, 264, 284 MeV; analyzed data; deduced pion-pion cross sections, scattering length.
doi: 10.1103/PhysRevC.58.3431
1998KR04 Nucl.Phys. A631, 524c (1998) W.Kretschmer, A.Glombik, G.Suft, R.Weidmann, E.Boschitz, B.Brinkmoller, R.Meier, B.van den Brandt, P.Hautle, J.A.Konter, S.Mango, R.Tacik, P.Amaudruz, C.Riedel, W.Gruebler Polarization Transfer Observables in πd Elastic Scattering NUCLEAR REACTIONS 2H(π+, π+), E=134, 180 MeV; measured T20(θ). Polarized target.
doi: 10.1016/S0375-9474(98)00060-8
1998SU12 Phys.Lett. 425B, 19 (1998) G.Suft, P.Amaudruz, E.Boschitz, B.van den Brandt, B.Brinkmoller, A.Glombik, J.Goetz, W.Gruebler, P.Hautle, J.A.Konter, W.Kretschmer, M.Lauterbach, S.Mango, R.Meier, C.Riedel, R.Tacik, R.Weidmann Polarization Transfer Observables in πd Elastic Scattering NUCLEAR REACTIONS 2H(π+, π+), E=134, 180 MeV; measured analyzing power, polarization transfer observables vs θ. Phase shift analysis, Fadeev calculations. Polarized target.
doi: 10.1016/S0370-2693(98)00173-7
1998TA02 Phys.Rev. C57, 1295 (1998) R.Tacik, F.Farzanpay, E.L.Mathie, P.Amaudruz, J.T.Brack, L.Felawka, R.Meier, D.Ottewell, G.R.Smith, G.Hofman, M.Kermani, S.McFarland, K.Raywood, M.Sevior, F.Bonutti, P.Camerini, N.Grion, R.Rui, E.F.Gibson Pion Absorption in 12C NUCLEAR REACTIONS 12C(π+, 2p), (π+, 3p), E=200, 240, 280 MeV; measured protons σ(E, θ); deduced reaction mechanism.
doi: 10.1103/PhysRevC.57.1295
1997BO15 Phys.Rev. C55, 2998 (1997) F.Bonutti, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, J.T.Brack, L.Felawka, E.F.Gibson, G.Hofman, M.Kermani, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration Pion-Induced Pion Production in Nuclei NUCLEAR REACTIONS 2H, 12C, 40Ca, 208Pb(π+, π+π-), (π+, π+π-p), E at 283 MeV/c; measured missing mass, energy distributions; deduced pion production mechanism.
doi: 10.1103/PhysRevC.55.2998
1996BO09 Phys.Rev.Lett. 77, 603 (1996) F.Bonutti, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, P.A.Amaudruz, J.T.Brack, L.Felawka, E.F.Gibson, G.J.Hofman, M.Kermani, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration A Dependence of the (π+, π+π±) Reaction Near the 2m(π) Threshold NUCLEAR REACTIONS 2H, 12C, 40Ca, 208Pb(π+, 2π+), (π+, π+π-), E=282.7 MeV; measured double-pion invariant mass distribution; deduced ππ-interaction matter modification.
doi: 10.1103/PhysRevLett.77.603
1996TA25 Acta Phys.Pol. B27, 3067 (1996) Pion-Nucleus Physics with the CHAOS Detector at TRIUMF
1995PA22 Phys.Rev. C51, R2862 (1995) Z.Papandreou, G.M.Huber, G.J.Lolos, J.C.Cormier, E.L.Mathie, S.I.H.Naqvi, D.F.Ottewell, R.Tacik, P.L.Walden, G.Jones, R.P.Trelle, X.Aslanoglou, D.L.Humphrey 6Li(π+, pp)4He(g.s.) Reaction at 100 and 165 MeV Incident Pion Energies NUCLEAR REACTIONS 6Li(π+, 2p), E=100, 165 MeV; measured σ(E, θ1, θ2); deduced σ(E).
doi: 10.1103/PhysRevC.51.R2862
1995WE05 Phys.Rev. C51, 2575 (1995) M.Wessler, E.Boschitz, B.Brinkmoller, J.Buhler, H.Garcilazo, W.Gyles, W.List, R.Meier, S.Ritt, R.Tacik, J.A.Konter, D.Gill, S.Mango, D.Renker, B.van den Brandt, G.Wait, V.A.Efimovykh, A.I.Kovalev, A.N.Prokofiev, W.Thiel, B.Blankleider Polarization Observables in πd(pol) Elastic Scattering: Analyzing powers τ22 and iT11 in the Forward Hemisphere NUCLEAR REACTIONS 2H(π+, π+), E=100-294 MeV; measured analyzing powers, other observables. Polarized target, two different methods. Model comparison.
doi: 10.1103/PhysRevC.51.2575
1995YE02 Phys.Rev. C52, 2526 (1995) D.M.Yeomans, E.L.Mathie, G.M.Huber, G.J.Lolos, S.I.H.Naqvi, V.Pafilis, G.Jones, M.Sevior, R.P.Trelle, P.Weber, R.Tacik, D.Healey, D.F.Ottewell, G.R.Smith, G.Wait, H.Garcilazo, D.L.Humphrey Analyzing Power Measurements in Pion-Deuteron Breakup at Intermediate Energies NUCLEAR REACTIONS 2H(π+, pπ+), E=80-300 MeV; measured iT11(θ) vs proton momentum following breakup. Polarized target. Relativistic Faddeev calculations comparison.
doi: 10.1103/PhysRevC.52.2526
1994BR10 Phys.Rev. C49, R2276 (1994) H.Breuer, M.G.Khayat, F.Adimi, B.S.Flanders, M.A.Khandaker, P.G.Roos, D.Zhang, Th.S.Bauer, J.Konijn, C.T.A.M.de Laat, G.S.Kyle, S.Mukhopadhyay, M.Wang, R.Tacik Excitation Function for 4He(π+, pp)2H Two-Nucleon Absorption Across the Δ Resonance NUCLEAR REACTIONS 4He(π+, 2p), E=64-327 MeV; measured σ(θ), σ(E) for 2-nucleon production; deduced reaction mechanism. Quasideuteron model.
doi: 10.1103/PhysRevC.49.R2276
1994KO06 Phys.Rev. C49, 1715 (1994) M.Kohler, B.E.King, N.R.Stevenson, R.B.Schubank, Y.M.Shin, R.A.Ristinen, P.Amaudruz, P.P.J.Delheij, D.C.Healey, B.K.Jennings, D.F.Ottewell, G.Sheffer, G.R.Smith, G.D.Wait, J.T.Brack, A.Feltham, M.Hanna, R.R.Johnson, F.M.Rozon, V.Sossi, D.Vetterli, P.Weber, N.Grion, R.Rui, E.L.Mathie, R.Tacik, M.Yeomans, C.A.Gossett, G.J.Wagner, J.M.Lee, K.S.Chung Vector Analyzing Power iT11 in πd Elastic Scattering at 49 MeV NUCLEAR REACTIONS 2H(π+, π+), (π-, π-), E=49 MeV; measured iT11(θ); deduced πNP11 amplitude role. Model comparison. Dynamically polarized target, magnetic spectrometer.
doi: 10.1103/PhysRevC.49.1715
1994ME01 Phys.Rev. C49, 320 (1994) R.Meier, E.Boschitz, B.Brinkmoller, J.Buhler, S.Ritt, M.Wessler, J.A.Konter, S.Mango, B.van den Brandt, V.A.Efimovykh, A.I.Kovalev, A.N.Prokofiev, V.V.Polyakov, P.Chaumette, J.Deregel, G.Durand, J.Fabre, R.Mach, R.Tacik Vector Analyzing Power Measurement of Pion Scattering from Polarized 7Li in the Region of the Δ33 Resonance NUCLEAR REACTIONS 7Li(π+, π+), E=134, 164, 194 MeV; measured inclusive analyzing powers iT11(θ), σ(θ). Polarized target. Coupled channels optical model.
doi: 10.1103/PhysRevC.49.320
1994YE03 Phys.Rev. C49, 2898 (1994) D.M.Yeomans, E.L.Mathie, G.M.Huber, S.I.H.Naqvi, D.S.Persram, M.Pavan, R.Tacik, D.Healey, D.F.Ottewell, G.R.Smith, P.Amaudruz Analyzing Power Measurements in Pion Deuteron Absorption at Low Energies NUCLEAR REACTIONS 2H(π+, 2p), E=25, 65 MeV; measured iT11(θ). Model calculations comparisons. Polarized target.
doi: 10.1103/PhysRevC.49.2898
1992AD03 Phys.Rev. C45, 2589 (1992) F.Adimi, H.Breuer, B.S.Flanders, M.A.Khandaker, M.G.Khayat, P.G.Roos, D.Zhang, Th.S.Bauer, J.Konijn, C.T.A.M.de Laat, G.S.Kyle, S.Mukhopadhyay, M.Wang, R.Tacik Two-Nucleon Absorption of π+ in 4He at T(π+) = 114 and 162 MeV NUCLEAR REACTIONS 4He(π+, 2p), E=114, 162 MeV; measured missing momentum distribution, pp(φ), σ(θp); deduced absorption on two-nucleon σ. Quasideuteron absorption model, Monte Carlo simulations.
doi: 10.1103/PhysRevC.45.2589
1991PE14 Phys.Lett. 261B, 188 (1991) F.Perrot-Kunne, R.Bertini, M.Costa, H.Catz, A.Chaumeaux, J.-C.Faivre, E.Vercellin, J.Arvieux, J.Yonnet, B.van den Brandt, D.R.Gill, J.A.Konter, S.Mango, G.D.Wait, E.Boschitz, W.Gyles, W.List, C.Ottermann, R.Tacik, M.Wessler Measurement of the Analyzing Power in (p-bar)p Elastic Scattering at 439 and 544 MeV/c NUCLEAR REACTIONS 1H(p-bar, p-bar), E at 439, 544 MeV/c; measured σ(θ), analyzing power vs θ. Model comparison. Polarized target.
doi: 10.1016/0370-2693(91)91348-Y
1991RI01 Phys.Rev. C43, 745 (1991) S.Ritt, E.T.Boschitz, R.Meier, R.Tacik, M.Wessler, K.Junker, J.A.Konter, S.Mango, D.Renker, B.van den Brandt, V.Efimovykh, A.Kovaliov, A.Prokofev, R.Mach, P.Chaumette, J.Deregel, G.Durand, J.Fabre, W.Thiel Measurement of the Vector Analyzing Power iT11 in π+-6Li(pol) Scattering NUCLEAR REACTIONS 6Li(π+, π+), (π+, π+'), E=100-219 MeV; measured σ(θ), vector analyzing power vs θ. Vector polarized 6LiD target. Model analyses.
doi: 10.1103/PhysRevC.43.745
1991WE04 Phys.Rev. C43, 1553 (1991) P.Weber, J.McAlister, R.Olszewski, A.Feltham, M.Hanna, R.R.Johnson, M.Pavan, C.Ponting, F.M.Rozon, M.Sevior, V.Sossi, D.Vetterli, D.Humphrey, G.J.Lolos, Z.Papandreou, R.Tacik, D.Ottewell, G.Sheffer, G.R.Smith, Y.Mardor, S.May-Tal Multinucleon Pion Absorption in the 4He(π+, ppp)n Reaction NUCLEAR REACTIONS 4He(π+, 3p), E=165 MeV; measured σ(θp1, θp2, θp3), missing momentum distributions, energy spectra; deduced 3p emission, pion absorption mechanism.
doi: 10.1103/PhysRevC.43.1553
1990JA05 Phys.Lett. 238B, 36 (1990) J.Jaki, B.M.Barnett, H.Clement, W.Gyles, R.R.Johnson, Ch.Joram, W.Kluge, S.Krell, H.Matthay, M.Metzler, D.Renker, R.Tacik, G.J.Wagner, C.A.Wiedner, U.Wiedner Isospin Mixing of the 1+ Doublet in 12C Determined by Low-Energy Pion Scattering NUCLEAR REACTIONS 12C(π+, π+'), (π-, π-'), (π+, π+), (π-, π-), E=50 MeV; measured σ(θ). 12C levels deduced isospin mixing features.
doi: 10.1016/0370-2693(90)92096-2
1990ME11 Phys.Rev. C42, 2222 (1990) R.Meier, E.T.Boschitz, S.Ritt, R.Tacik, M.Wessler, J.A.Konter, S.Mango, D.Renker, B.van den Brandt, W.Meyer, W.Thiel, R.Mach, P.Amaudruz, R.R.Johnson, G.R.Smith, P.Weber Pion Scattering from Polarized 15N at T(π) = 164 MeV NUCLEAR REACTIONS 15N(π+, π+), (π+, π+'), E=164 MeV; measured σ(E(π)), σ(θ), analyzing power vs θ. Polarized 15NH3 target. Momentum space coupled-channels formalism.
doi: 10.1103/PhysRevC.42.2222
1990ST24 Phys.Rev.Lett. 65, 1987 (1990) N.R.Stevenson, R.B.Schubank, Y.M.Shin, P.Amaudruz, P.P.J.Delheij, D.C.Healey, B.K.Jennings, D.F.Ottewell, G.Sheffer, G.R.Smith, G.D.Wait, J.T.Brack, A.Feltham, M.Hanna, R.R.Johnson, F.M.Rozon, V.Sossi, D.Vetterli, P.Weber, N.Grion, R.Rui, M.Kohler, R.A.Ristinen, E.L.Mathie, R.Tacik, M.Yeomans, C.A.Gossett, G.J.Wagner Role of the πN P11 Interaction in πd Elastic Scattering at 50 MeV NUCLEAR REACTIONS 2H(π+, π+), E=50 MeV; measured iT11(θ); deduced πN(P11) interaction amplitude role. Dynamically polarized target.
doi: 10.1103/PhysRevLett.65.1987
1990ST33 J.Phys.(Paris), Colloq.C-6, 391 (1990) N.R.Stevenson, R.B.Schubank, Y.M.Shin, P.Amaudruz, P.P.J.Delheij, D.C.Healey, B.K.Jennings, D.F.Ottewell, G.Sheffer, G.R.Smith, G.D.Wait, N.Grion, R.Rui, J.T.Brack, A.Feltham, M.Hanna, R.R.Johnson, F.M.Rozon, V.Sossi, D.Vetterli, P.Weber, M.Kohler, R.A.Ristinen, E.L.Mathie, R.Tacik, M.Yeomans, C.A.Gossett, G.J.Wagner, B.E.King Analyzing Power Measurements in πd Elastic Scattering at 50 MeV NUCLEAR REACTIONS 2H(π, π), E=50 MeV; measured iT11(θ); deduced πN(P11) potential role.
1990TA24 Phys.Rev. C42, 1841 (1990) R.Tacik, E.T.Boschitz, W.Gyles, M.Wessler, S.Mango, B.van den Brandt, J.A.Konter, D.R.Gill, P.Weber Comparison of the Vector Analyzing Power iT11 for π±d Scattering at 180 MeV NUCLEAR REACTIONS 2H(π+, π+), (π-, π-), E=180 MeV; measured vector analyzing power iT11(θ). Polarized target, magnetic spectrometer.
doi: 10.1103/PhysRevC.42.1841
1990TA25 Phys.Rev. C42, 1846 (1990) R.Tacik, E.T.Boschitz, W.Gyles, C.R.Ottermann, M.Wessler, U.Wiedner, H.Garcilazo, R.R.Johnson Kinematically Complete Measurement of the π+d → π0pp Charge-Exchange Reaction NUCLEAR REACTIONS 2H(π+, π0p), E=228, 294 MeV; measured σ(θp1, θp2) vs proton momentum. Relativistic Faddeev formalism.
doi: 10.1103/PhysRevC.42.1846
1989BE31 Phys.Lett. 228B, 531 (1989) R.Bertini, M.Costa, F.Perrot, H.Catz, A.Chaumeaux, J.Cl.Faivre, E.Vercellin, J.Arvieux, J.Yonnet, B.van den Brandt, J.A.Konter, D.R.Gill, S.Mango, G.D.Wait, E.Boschitz, W.Gyles, W.List, C.Ottermann, R.Tacik, M.Wessler, E.Descroix, J.Y.Grossiord, A.Guichard Full Angular Distribution of the Analysing Power in (p-bar)p Elastic Scattering at 697 MeV/c NUCLEAR REACTIONS 1H(p-bar, p-bar), E at 697 MeV/c; measured σ(θ), analyzing power vs θ.
doi: 10.1016/0370-2693(89)90988-X
1989GA03 Phys.Rev. C39, 942 (1989) H.Garcilazo, E.T.Boschitz, W.Gyles, W.List, C.R.Ottermann, R.Tacik, M.Wessler Polarization Observables in πd(pol) Elastic Scattering: Amplitude analysis NUCLEAR REACTIONS 2H(π, π), E=254, 294 MeV; analyzed polarization observables data; deduced πd helicity amplitudes. Polarized targets, amplitude analysis.
doi: 10.1103/PhysRevC.39.942
1989TA14 Phys.Rev. C40, 256 (1989) R.Tacik, E.T.Boschitz, W.Gyles, W.List, C.R.Ottermann, M.Wessler, U.Wiedner, R.R.Johnson Three-Nucleon Pion Absorption in Carbon NUCLEAR REACTIONS 12C(π+, 3p), E=130, 180, 228 MeV; measured σ(θ1, θ2, θ3); deduced absorption σ.
doi: 10.1103/PhysRevC.40.256
1989TA21 Phys.Rev.Lett. 63, 1784 (1989) R.Tacik, E.T.Boschitz, R.Meier, S.Ritt, M.Wessler, K.Junker, J.A.Konter, S.Mango, D.Renker, B.van den Brandt, W.Meyer, W.Thiel, P.Chaumette, J.Deregel, G.Durand, J.Fabre, P.Amaudruz, R.R.Johnson, G.Smith, P.Weber, R.Mach Spin Effects in π-Nucleus Scattering in the Region of the Δ(3, 3) Resonance NUCLEAR REACTIONS 15N(π+, π+), (π+, π+'), E=164 MeV; 6Li(π+, π+), (π+, π+'), E=134, 164 MeV; measured σ(θ), vector, tensor analyzing power vs θ. Polarized targets.
doi: 10.1103/PhysRevLett.63.1784
1989WE11 Phys.Lett. 230B, 31 (1989) P.Weber, J.McAlister, R.Olszewski, A.Feltham, M.Hanna, D.Humphrey, R.R.Johnson, G.J.Lolos, Y.Mardor, S.May-Tal, D.Ottewell, Z.Papandreou, M.Pavan, C.Ponting, F.M.Rozon, M.Sevior, G.Sheffer, G.R.Smith, V.Sossi, R.Tacik, D.Vetterli Multi-Nucleon Pion Absorption in the 4He(π+, ppp)n Reaction NUCLEAR REACTIONS 4He(π+, 3p), E=165 MeV; measured proton triple coincidences, σ(θ); deduced pion absorption mechanism. Kinematically complete experiment.
doi: 10.1016/0370-2693(89)91648-1
1989WE14 Phys.Lett. 233B, 281 (1989) P.Weber, J.McAlister, R.Olszewski, A.Feltham, M.Hanna, D.Humphrey, R.R.Johnson, G.J.Lolos, Y.Mardor, S.May-Tal, D.Ottewell, Z.Papandreou, M.Pavan, C.Ponting, F.M.Rozon, M.Sevior, G.Sheffer, G.R.Smith, V.Sossi, R.Tacik, D.Vetterli Multi-Nucleon Pion Absorption in the 4He(π+, ppp)n Reaction NUCLEAR REACTIONS 4He(π+, 3p), E=165 MeV; measured σ(θ1, θ2, θ3); deduced pion absorption mechanism. Kinematically complete experiment.
doi: 10.1016/0370-2693(89)91310-5
1988LI08 Phys.Rev. C37, 1587 (1988) W.List, E.T.Boschitz, H.Garcilazo, W.Gyles, C.R.Ottermann, R.Tacik, M.Wessler, U.Wiedner, R.R.Johnson Neutron-Proton Final-State Interaction in πd Breakup: Differential cross section NUCLEAR REACTIONS 2H(π+, np), E=294 MeV; measured σ(θ(π), θp) vs proton momentum; deduced np-final state interaction role. Kinematically complete experiment.
doi: 10.1103/PhysRevC.37.1587
1988LI09 Phys.Rev. C37, 1594 (1988) W.List, E.T.Boschitz, H.Garcilazo, W.Gyles, C.R.Ottermann, R.Tacik, S.Mango, J.A.Konter, B.van den Brandt, G.R.Smith Neutron-Proton Final-State Interaction in πd Breakup: Vector analyzing power NUCLEAR REACTIONS 2H(π+, np), E=134-228 MeV; measured iT11(θ) following breakup; deduced final state interaction role. Polarized target.
doi: 10.1103/PhysRevC.37.1594
1988OT06 Phys.Rev. C38, 2296 (1988) C.R.Ottermann, E.T.Boschitz, W.Gyles, W.List, R.Tacik, M.Wessler, S.Mango, B.van den Brandt, J.A.Konter, D.R.Gill, G.R.Smith Polarization Observables in πd(pol) Elastic Scattering: Analyzing powers T20 and τ21 NUCLEAR REACTIONS 2H(π, π), E=256, 294 MeV; measured absolute σ(θ), T20(θ), other observables. Tensor polarized target.
doi: 10.1103/PhysRevC.38.2296
1988OT07 Phys.Rev. C38, 2310 (1988) C.R.Ottermann, E.T.Boschitz, H.Garcilazo, W.Gyles, W.List, R.Tacik, M.Wessler, S.Mango, B.van den Brandt, J.A.Konter, E.L.Mathie Polarization Observables in πd(pol) Elastic Scattering: Analyzing powers τ22 and iT11 NUCLEAR REACTIONS 2H(π, π), E=134-294 MeV; measured iT11, T20, T21, T22 vs θ, other observables. Polarized target, frozen spin mode.
doi: 10.1103/PhysRevC.38.2310
1986AN11 Phys.Rev. C33, 1714 (1986) K.A.Aniol, A.Altman, R.R.Johnson, H.W.Roser, R.Tacik, U.Wienands, D.Ashery, J.Alster, M.A.Moinester, E.Piasetzky, D.R.Gill, J.Vincent Pion Absorption of 3He at T(π) = 62.5 and 82.8 MeV NUCLEAR REACTIONS 3He(π+, pn), (π-, pn), E=62.5, 82.8 MeV; measured σ(Ep, θp). 3He(π-, n), E=62.5, 82.8 MeV; measured breakup σ; deduced three-body absorption σ, reaction mechanism.
doi: 10.1103/PhysRevC.33.1714
1986GY01 Phys.Rev. C33, 583 (1986) W.Gyles, E.T.Boschitz, H.Garcilazo, W.List, E.L.Mathie, C.R.Ottermann, G.R.Smith, R.Tacik, R.R.Johnson π+d → π+pn Reaction as a Test of Relativistic Faddeev Theories: Differential cross section NUCLEAR REACTIONS 2H(π+, π+p), E=228, 294 MeV; measured σ(θπ, θp) vs proton momentum; deduced nonconventional dynamics insignificance. Faddeev method.
doi: 10.1103/PhysRevC.33.583
1986OT02 Phys.Rev. C33, 1802 (1986) C.R.Ottermann, E.T.Boschitz, W.Gyles, W.List, R.Tacik, S.Mango, J.A.Konter, B.van den Brandt, G.R.Smith Measurement of the πd(pol) → pp Reaction at T(π) = 65 MeV NUCLEAR REACTIONS 2H(π, p), E=65 MeV; measured vector analyzing power vs θ. Vector polarized target. Coupled-channels, Faddeev, perturbation theory calculations.
doi: 10.1103/PhysRevC.33.1802
1985BA27 Phys.Lett. 156B, 172 (1985) B.M.Barnett, W.Gyles, R.R.Johnson, R.Tacik, K.L.Erdman, H.W.Roser, D.R.Gill, E.W.Blackmore, S.Martin, C.A.Wiedner, R.J.Sobie, T.E.Drake, J.Alster Density Distribution Differences of Protons in 16,18O from Ratios of π+ Elastic Scattering Cross Sections NUCLEAR REACTIONS 16,18O(π+, π+), E=48.3, 62.8 MeV; measured σ(θ), ratios. 18,16O deduced proton density distribution differences.
doi: 10.1016/0370-2693(85)91503-5
1985GY02 Nucl.Phys. A439, 598 (1985) W.Gyles, B.M.Barnett, R.Tacik, K.L.Erdman, R.R.Johnson, G.J.Lolos, H.Roser, K.A.Aniol, F.Entezami, E.L.Mathie, D.R.Gill, E.W.Blackmore, C.A.Wiedner, S.Martin, R.J.Sobie, T.E.Drake Neutron Density Difference Measurements for 26,24Mg and 36,34,32S using Low-Energy Pions NUCLEAR REACTIONS 36,34,32S(π-, π-), E=48.4 MeV; 26,24Mg(π-, π-), E=43.9 MeV; measured σ(θ) ratios. 36,34,32S, 26,24Mg deduced neutron density differences.
doi: 10.1016/0375-9474(85)90329-X
1985OT04 Phys.Rev. C32, 928 (1985) C.R.Ottermann, E.T.Boschitz, W.Gyles, W.List, R.Tacik, R.R.Johnson, G.R.Smith, E.L.Mathie Large Angle πd Scattering in the Region of the (3, 3) Resonance NUCLEAR REACTIONS 2H(π+, π+), E=124-324 MeV; measured σ(θ). Comparison with Faddeev calculation.
doi: 10.1103/PhysRevC.32.928
1985TA14 Phys.Rev. C32, 1335 (1985) R.Tacik, E.T.Boschitz, W.Gyles, W.List, C.R.Ottermann Measurement of Three Protons in Coincidence following Absorption of 228 MeV π+ in Carbon NUCLEAR REACTIONS C(π+, 3p), E=228 MeV; measured ppp-coin, σ(θ1, θ2, θ3), σ(θ1, θ2, E2), σ(θ1, θ3, E3); deduced three proton emission associated σ(absorption), reaction mechanism.
doi: 10.1103/PhysRevC.32.1335
1984MO03 Phys.Rev.Lett. 52, 1203 (1984) M.A.Moinester, D.R.Gill, J.Vincent, D.Ashery, S.Levenson, J.Alster, A.Altman, J.Lichtenstadt, E.Piasetzky, K.A.Aniol, R.R.Johnson, H.W.Roser, R.Tacik, W.Gyles, B.Barnett, R.J.Sobie, H.P.Gubler Isospin Dependence of Pion Absorption on Nucleon Pairs at T(π) = 65 MeV NUCLEAR REACTIONS 3He(π+, 2p), (π-, np), E=65 MeV; measured pp-, pn-coin, σ(θp1, Ep2), σ(θn, Ep); deduced σ(reaction) ratio, isospin dependence.
doi: 10.1103/PhysRevLett.52.1203
1984SO06 Nucl.Instrum.Methods 219, 501 (1984) R.J.Sobie, T.E.Drake, B.M.Barnett, K.L.Erdman, W.Gyles, R.R.Johnson, H.W.Roser, R.Tacik, E.W.Blackmore, D.R.Gill, S.Martin, C.A.Wiedner, T.Masterson The TRIUMF Low Energy Pion Spectrometer and Channel NUCLEAR REACTIONS 12C(π-, π-'), E=50 MeV; measured σ(E(π')). Low energy pion spectrometer.
doi: 10.1016/0167-5087(84)90221-7
1984SO12 Phys.Lett. 143B, 338 (1984) R.J.Sobie, T.E.Drake, J.Gaydos, R.R.Johnson, R.Tacik, D.R.Gill, B.K.Jennings, N.de Takacsy Study of the Pion-Nucleus Reaction Mechanism with 12C(π, π'γ) NUCLEAR REACTIONS 12C(π+, π+'), E=65, 90 MeV; measured σ(θ(π), θγ); deduced nuclear matter density role, pion-nuclear reaction mechanism role.
doi: 10.1016/0370-2693(84)91478-3
1984SO13 Phys.Rev. C30, 1612 (1984) R.J.Sobie, T.E.Drake, K.L.Erdman, R.R.Johnson, H.W.Roser, R.Tacik, E.W.Blackmore, D.R.Gill, S.Martin, C.A.Wiedner, T.Masterson Elastic and Inelastic Scattering of 50 MeV Pions from 12C, 32S, and 34S NUCLEAR REACTIONS 12C, 32,34S(π+, π+), (π+, π+'), (π-, π-), (π-, π-'), E=50 MeV; measured σ(θ); deduced neutron, proton matrix elements. Optical, distorted wave model analyses.
doi: 10.1103/PhysRevC.30.1612
1984TA03 Phys.Rev.Lett. 52, 1276 (1984) R.Tacik, K.L.Erdman, R.R.Johnson, H.W.Roser, D.R.Gill, E.W.Blackmore, R.J.Sobie, T.E.Drake, S.Martin, C.A.Wiedner Sensitivity of Low-Energy π± Inelastic Scattering NUCLEAR REACTIONS 26Mg(π+, π+'), (π-, π-'), E=50 MeV; measured σ(θ); deduced neutron, proton deformation sensitivity. 26Mg level deduced neutron to proton matrix element ratio, σ(π+)/σ(π-) vs (β(p)/β(n)). DWIA.
doi: 10.1103/PhysRevLett.52.1276
Back to query form |