NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = T.J.Ketel Found 25 matches. 2016KR01 Phys.Rev.Lett. 116, 042501 (2016) A.J.Krasznahorkay, M.Csatlos, L.Csige, Z.Gacsi, J.Gulyas, M.Hunyadi, I.Kuti, B.M.Nyako, L.Stuhl, J.Timar, T.G.Tornyi, Zs.Vajta, T.J.Ketel, A.Krasznahorkay Observation of Anomalous Internal Pair Creation in 8Be: A Possible Indication of a Light, Neutral Boson NUCLEAR REACTIONS 7Li(p, γ), E=0.441, 1.03 MeV; measured reaction products, Eβ, Iβ, Eγ, Iγ; deduced total energy spectrum and angular correlation of the electron-positron pairs for the isovector magnetic dipole to the ground state transitions, invariant mass distribution, neutral isoscalar particle mass. Comparison with available data.
doi: 10.1103/PhysRevLett.116.042501
2008VI02 Acta Phys.Pol. B39, 483 (2008) A.Vitez, A.Krasznahorkay, J.Gulyas, M.Csatlos, L.Csige, Z.Gacsi, A.Krasznahorkay, Jr., B.M.Nyako, F.W.N.de Boer, T.J.Ketel, J.van Klinken Anomalous Internal Pair Creation in 8Be as a Signature of the Decay of a New Particle RADIOACTIVITY 8Be [from 7Li(p, γ), E=441 keV]; measured angular distribution of the e+e- pairs from the M1 decay of the 17.64 MeV state. Compared results to model calculations and previous measurement.
2005ST30 Phys.Rev.Lett. 95, 172501 (2005) M.F.M.Steenbakkers, M.F.van Batenburg, Th.S.Bauer, H.P.Blok, T.Botto, G.E.Dodge, D.L.Groep, P.Heimberg, W.H.A.Hesselink, D.W.Higinbotham, E.Jans, Y.Jun, T.J.Ketel, L.Lapikas, D.J.J.de Lange, B.E.Norum, I.Passchier, R.Starink, L.Todor, H.de Vries Quasifree π0 and π- Electroproduction on 4He in the Δ-Resonance Region NUCLEAR REACTIONS 4He(e, e'pπ-), (e, e'pπ0), E=672 MeV; measured Ep, recoil spectra, σ(θ). Comparison with model predictions.
doi: 10.1103/PhysRevLett.95.172501
2003HA46 Phys.Rev.Lett. 91, 014801 (2003) H.D.Hansen, U.I.Uggerhoj, C.Biino, S.Ballestrero, A.Mangiarotti, P.Sona, T.J.Ketel, Z.Z.Vilakazi Is the Electron Radiation Length Constant at High Energies? NUCLEAR REACTIONS Ir(e, e'γ), E=149, 207, 287 GeV; measured bremsstrahlung spectra; deduced effective radiation length.
doi: 10.1103/PhysRevLett.91.014801
1998KE04 Acta Phys.Pol. B29, 1265 (1998) T.J.Ketel, for the Spin Muon Collaboration at CERN Experimental Results on Polarized Nucleon Structure Functions NUCLEAR REACTIONS 1n, 1,2H(e, X), (e+, X), 1,2H(μ+, X), E=high; reviewed, analyzed structure function data. Polarized targets.
1998VA05 Nucl.Phys. A631, 545c (1998) M.J.M.van Sambeek, T.Botto, T.Bauer, H.P.Blok, D.Boersma, G.E.Dodge, D.Groep, P.Heimberg, W.H.A.Hesselink, D.W.Higinbotham, C.W.de Jager, E.Jans, T.J.Ketel, D.J.J.de Lange, L.Lapikas, B.E.Norum, I.Passchier, V.M.Pugatch, M.F.M.Steenbakkers, J.J.M.Steijger, L.Todor, P.Ulmer, H.de Vries, K.Wang Coherent π0 Electroproduction on 4He in the Δ Region NUCLEAR REACTIONS 4He(e, e'π0), E=676 MeV; measured missing energy distribution, σ(θ(pion)).
doi: 10.1016/S0375-9474(98)00065-7
1997VA01 Nucl.Phys. A612, 391 (1997) H.B.van den Brink, H.P.Blok, I.Bobeldijk, G.E.Dodge, C.W.de Jager, W.-J.Kasdorp, T.J.Ketel, L.Lapikas, B.E.Norum, M.van Sambeek, G.van der Steenhoven, M.A.van Uden, H.de Vries Electroproduction of Neutral Pions on the Proton NUCLEAR REACTIONS 1H(e, e'π0), E=525 MeV; measured σ(θ(π0)) 1-14 MeV above threshold; deduced s-wave multipoles E(0+) and L(0+). Chiral perturbation theory, Lagrangian models.
doi: 10.1016/S0375-9474(96)00397-1
1995VA10 Phys.Rev.Lett. 74, 3561 (1995) H.B.van den Brink, H.P.Blok, I.Bobeldijk, M.Bouwhuis, G.E.Dodge, M.N.Harakeh, W.H.A.Hesselink, D.G.Ireland, C.W.de Jager, E.Jans, N.de Jonge, N.Kalantar-Nayestanaki, W.-J.Kasdorp, T.J.Ketel, J.Konijn, L.Lapikas, J.J.van Leeuwe, R.L.J.van der Meer, G.J.L.Nooren, B.E.Norum, E.Passchier, A.R.Pellegrino, C.M.Spaltro, G.van der Steenhoven, J.J.M.Steijger, J.A.Templon, J.A.P.Theunissen, M.A.van Uden, H.de Vries, R.de Vries, P.K.A.de Witt Huberts Neutral-Pion Electroproduction on the Proton Near Threshold NUCLEAR REACTIONS 1H(e, e'π0), E=525 MeV; measured σ(θ(e'), E(e'), θ(π)); deduced s-wave multipoles. Modes comparison.
doi: 10.1103/PhysRevLett.74.3561
1985BE31 Phys.Lett. 158B, 19 (1985) R.Bertini, P.Birien, K.Braune, W.Bruckner, G.Bruge, H.Catz, A.Chaumeaux, J.Ciborowski, H.Dobbeling, J.M.Durand, R.W.Frey, D.Garreta, S.Janouin, T.J.Ketel, K.Kilian, H.Kneis, S.Majewski, B.Mayer, J.C.Peng, B.Povh, R.D.Ransome, R.Szwed, T.-A.Shibata, A.Thiessen, M.Treichel, M.Uhrmacher, Th.Walcher, and the Heidelberg-Saclay Collaboration The (K-, π+) Strangeness Exchange Reaction on 16O NUCLEAR REACTIONS 12C, 16O(K-, π+), E at 450 MeV/c; measured σ(E(π)); deduced Σ hypernuclear states.
doi: 10.1016/0370-2693(85)90730-0
1985TA10 Phys.Lett. 156B, 296 (1985) A.Taal, J.F.M.D'Achard van Enschut, J.B.R.Berkhout, W.Duinker, C.W.E.Van Eijk, W.H.A.Hesselink, P.J.van den Hoek, T.J.Ketel, J.H.Koch, J.Konijn, C.T.A.M.de Laat, W.Lourens, G.van Middelkoop, W.Poeser, T.Prins, A.H.Wapstra Anomalous Strong Interaction in Pionic Mg NUCLEAR REACTIONS Mg(π-, X), E at rest; measured pionic E X-ray, I X-ray; deduced strong interaction shifts, widths, anomalies. ATOMIC PHYSICS, Mesic-Atoms Mg; measured pionic X-rays; deduced strong interaction shifts, widths, anomalies.
doi: 10.1016/0370-2693(85)91612-0
1984BE07 Phys.Lett. 136B, 29 (1984) R.Bertini, P.Birien, K.Braune, W.Bruckner, G.Bruge, H.Catz, A.Chaumeaux, J.Ciborowski, H.Dobbeling, J.M.Durand, R.W.Frey, D.Garreta, S.Janouin, T.J.Ketel, K.Kilian, H.Kneis, S.Majewski, B.Mayer, J.C.Peng, B.Povh, R.D.Ransome, R.Szwed, T.-A.Shibata, A.Thiessen, M.Treichel, M.Uhrmacher, Th.Walcher Sigma Hypernuclear States in (K-, π(±)) Reactions on 12C NUCLEAR REACTIONS 12C(K-, π+), (K-, π-), E at 400, 450 MeV/c; measured hypernuclear mass spectra; deduced Sigma hypernuclear states in 12C.
doi: 10.1016/0370-2693(84)92049-5
1984DA02 Phys.Lett. 136B, 24 (1984) J.F.M.d'Achard van Enschut, J.B.R.Berkhout, W.Duinker, C.W.E.van Eijk, W.H.A.Hesselink, T.Johansson, T.J.Ketel, J.H.Koch, J.Konijn, C.T.A.M.de Laat, W.Lourens, G.van Middelkoop, W.Poeser Anomalous Strong Interaction Shifts and Widths of the 3d State in Pionic Pt and Au ATOMIC PHYSICS, Mesic-Atoms Pt, Au; measured pionic E X-ray, I X-ray; deduced strong interaction monopole shifts, widths.
doi: 10.1016/0370-2693(84)92048-3
1981BE17 Nucl.Phys. A360, 315 (1981) R.Bertini, O.Bing, P.Birien, K.Braune, W.Bruckner, H.Catz, A.Chaumeaux, M.A.Faessler, R.-W.Frey, D.Garreta, T.J.Ketel, K.Kilian, B.Mayer, J.Niewisch, B.Pietrzyk, B.Povh, H.G.Ritter, M.Uhrmacher Hypernuclear Production in the (K-, π-) Reaction NUCLEAR REACTIONS 6,7Li, 9Be, 40Ca(K-, π-), E at 790 MeV/c; 7Li, 9Be, 12C, 16O, 27Al, 32S, 51V, 89Y(K-, π-), E at 720 MeV/c; 209Bi(K-, π-), E at 640 MeV/c; measured σ(θ); deduced production σ for hypernuclei, effective neutron number in one-step strangeness exchange. DWIA.
doi: 10.1016/0375-9474(81)90149-4
1981BE45 Nucl.Phys. A368, 365 (1981) R.Bertini, O.Bing, P.Birien, K.Braune, W.Bruckner, A.Chaumeaux, M.A.Faessler, R.W.Frey, D.Garreta, T.J.Ketel, K.Kilian, B.Mayer, J.Niewisch, B.Pietrzyk, B.Povh, H.G.Ritter, M.Uhrmacher Neutron Hole States in 6Li, 7Li, 9Be and 12C Hypernuclei NUCLEAR REACTIONS 6,7Li, 9Be, 12C(K-, π-), E at 720-790 MeV/c; measured σ(lambda particle binding energy, θ); deduced neutron hole states in hypernuclei.
doi: 10.1016/0375-9474(81)90761-2
1980BE12 Phys.Lett. 90B, 375 (1980) R.Bertini, O.Bing, P.Birien, W.Bruckner, H.Catz, A.Chaumeaux, J.M.Durand, M.A.Faessler, T.J.Ketel, K.Kilian, B.Mayer, J.Niewisch, B.Pietrzyk, B.Povh, H.G.Ritter, M.Uhrmacher Hypernuclei with Sigma Particles NUCLEAR REACTIONS 9Be(K-, π-), E at 720 MeV/c; measured σ(λ particle binding energy), production σ for Σ particle; deduced λ-particle, Σ-particle shell spacing.
doi: 10.1016/0370-2693(80)90952-1
1979BE17 Phys.Lett. 83B, 306 (1979) R.Bertini, O.Bing, P.Birien, W.Bruckner, H.Catz, A.Chaumeaux, J.M.Durand, M.A.Faessler, T.J.Ketel, K.Kilian, B.Mayer, J.Niewisch, B.Pietrzyk, B.Povh, H.G.Ritter, M.Uhrmacher A Full Set of Nuclear Shell Orbitals for the lambda Particle Observed in 32S and 40Ca NUCLEAR REACTIONS 32S(K-, π-), E at 720 MeV/c; 40Ca(K-, π-), E at 790 MeV/c; measured σ(λ-particle binding energy, θ); deduced λ-particle shell spacing.
doi: 10.1016/0370-2693(79)91113-4
1979KA05 Nucl.Phys. A315, 334 (1979) A.W.B.Kalshoven, W.H.A.Hesselink, T.J.Ketel, J.Ludziejewski, L.K.Peker, J.J.van Ruyven, H.Verheul High Spin States in 105Ag NUCLEAR REACTIONS 103Rh(α, 2nγ), E=17-32 MeV; measured Eγ, Iγ, γ(θ), linear polarization, αγ(t), γγ(t), I(ce), μ. 105Ag deduced levels, J, π, T1/2, B(λ). Ge(Li), Si(Li) detectors.
doi: 10.1016/0375-9474(79)90615-8
1979KE07 Z.Phys. A291, 319 (1979) T.J.Ketel, E.A.Z.M.Vervaet, H.Verheul Half-Life, g-Factor and Relaxation of the Nuclear Orientation of the Isomeric 11/2- State in 139Pr NUCLEAR REACTIONS 140Ce(p, 2nγ), E=20 MeV; measured γ(θ, H, t). 139Pr level deduced T1/2, g-factor, relaxation time.
doi: 10.1007/BF01408380
1979KO02 Z.Phys. A289, 287 (1979) J.Konijn, T.J.Ketel, H.Verheul The g-Factor of the 19/2- Isomeric State in 115Sb NUCLEAR REACTIONS 113In(α, 2nγ), E=28 MeV; measured γ(θ, B, t). 115mSb level deduced J, π, g.
doi: 10.1007/BF01415790
1978KE04 Z.Phys. A285, 177 (1978) T.J.Ketel, E.A.Z.M.Vervaet, H.Verheul Half-Life and g-Factor Ofthe 11/2- Isomeric States in 115Sb and 117Sb NUCLEAR REACTIONS 116,118Sn(p, 2nγ), E=20 MeV; measured γ(θ, H, t). 115,117Sb levels deduced T1/2, g.
doi: 10.1007/BF01408744
1976KA19 Nucl.Phys. A266, 346 (1976) R.Kamermans, H.W.Jongsma, T.J.Ketel, R.van der Wey, H.Verheul Level Properties of the Light Even Sb Nuclei 112,114,116Sb NUCLEAR REACTIONS 112Sn(p, nγ), E=7.2-10.4, 15 MeV; 114Sn(p, nγ), E=6.3-8.4, 15 MeV; 116Sn(p, nγ), E=5.2-7.4, 15 MeV; measured Eγ, Iγ, γ(t), nγ-coin, γγ-coin, σ(E, Eγ); deduced Q. 115In(3He, xnγ), E=72 MeV; measured E(ce), I(ce). 112,114,116Sb deduced levels, J, π, T1/2. Hauser-Feshbach analysis, enriched targets, Ge(Li), Si(Li) detectors.
doi: 10.1016/0375-9474(76)90363-8
1976KA25 Z.Phys. A279, 99 (1976) R.Kamermans, T.J.Ketel, H.Verheul Excited States of the Odd-A Sb Isotopes 115,113,111Sb NUCLEAR REACTIONS 112Sn(p, 2nγ), E=16.6-20.2, 28 MeV; 114Sn(p, 2nγ), E=15.8-18.2, 20, 28 MeV; 116Sn(p, 2nγ), E=14.0-16.1, 20, 28 MeV; measured Eγ, Iγ, γ(t), nγ-, γγ-coin, σ(E, Eγ). 111,113,115Sb deduced levels, J, π, T1/2. Enriched targets. Ge(Li) detectors.
doi: 10.1007/BF01409096
1976KE07 Hyperfine Interactions 2, 336 (1976) T.J.Ketel, R.Kamermans, E.A.Z.M.Vervaet, H.Verheul Half-Life and Magnetic Moment of the 8- States in 112Sb and 114Sb NUCLEAR REACTIONS 112,114Sn(p, nγ), E=17 MeV; measured γ(θ, H, t), stroboscopic resonance. 112,114Sb levels deduced T1/2, g. 112Sb transition deduced δ.
doi: 10.1007/BF01021164
1972DU03 Nucl.Phys. A182, 433 (1972) G.H.Dulfer, T.J.Ketel, V.A.van Rooijen, M.E.J.Wigmans, H.Verheul The Decay of 65Ga RADIOACTIVITY 65Ga[from 64Zn(d, n)]; measured Eγ, Iγ, γ-γcoin. 65Zn deduced levels, J, π. Ge(Li), Si(Li) detectors, scintillators. Enriched, natural targets;mass-separated source.
doi: 10.1016/0375-9474(72)90290-4
1972DU09 Z.Phys. 251, 416 (1972) G.H.Dulfer, B.O.ten Brink, T.J.Ketel, A.W.B.Kalshoven, H.Verheul On the Decay of 61Zn and 60Zn Using Mass Separated Sources RADIOACTIVITY 60,61Zn; measured T1/2, Eγ, Iγ; deduced log ft. 60,61Cu; measured T1/2. 60,61Cu deduced levels, J, π, γ-branching.
doi: 10.1007/BF01391735
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