NSR Query Results
Output year order : Descending NSR database version of May 6, 2024. Search: Author = R.G.Timmermans Found 43 matches. 2022ZH26 Phys.Rev. C 105, 054005 (2022) D.Zhou, B.Long, R.G.E.Timmermans, U.van Kolck Renormalization of one-pion exchange in chiral effective field theory for antinucleon-nucleon scattering
doi: 10.1103/PhysRevC.105.054005
2021OO01 Phys.Lett. B 820, 136525 (2021) F.Oosterhof, J.de Vries, R.G.E.Timmermans, U.van Kolck Nucleon decay in the deuteron
doi: 10.1016/j.physletb.2021.136525
2019OO01 Phys.Rev.Lett. 122, 172501 (2019) F.Oosterhof, B.Long, J.de Vries, R.G.E.Timmermans, U.van Kolck Baryon-Number Violation by Two Units and the Deuteron Lifetime NUCLEAR STRUCTURE 2H; calculated the lifetime of the deuteron with dimension-nine quark operators that violate baryon number by two units.
doi: 10.1103/PhysRevLett.122.172501
2016NO08 Phys.Rev. C 94, 025502 (2016) J.P.Noordmans, J.de Vries, R.G.E.Timmermans Tests of Lorentz and CPT symmetry with hadrons and nuclei
doi: 10.1103/PhysRevC.94.025502
2016SY01 Phys.Rev. C 94, 025503 (2016) A.Sytema, J.E.van den Berg, O.Boll, D.Chernowitz, E.A.Dijck, J.O.Grasdijk, S.Hoekstra, K.Jungmann, S.C.Mathavan, C.Meinema, A.Mohanty, S.E.Muller, J.P.Noordmans, M.Nunez Portela, C.J.G.Onderwater, C.Pijpker, R.G.E.Timmermans, K.K.Vos, L.Willmann, H.W.Wilschut Test of Lorentz invariance in β decay of polarized 20Na RADIOACTIVITY 20Na(β+)[polarized 20Na source from 1H(20Ne, n), E=20 MeV/nucleon at AGOR-KVI cyclotron facility, polarization by optical pumping]; measured Eβ, Iβ, Eγ, Iγ, polarization, dependence of half-life of 20Na nuclei on the nuclear spin direction; deduced no significant violation of Lorentz invariance (LIV) in weak interactions.
doi: 10.1103/PhysRevC.94.025503
2015VO04 Phys.Rev. C 91, 038501 (2015) K.K.Vos, H.W.Wilschut, R.G.E.Timmermans Testing Lorentz invariance in orbital electron capture RADIOACTIVITY 37Ar, 49V, 53Mn, 55Fe, 71Ge, 97Tc, 131Cs, 137La, 163Ho, 165Er, 179Ta, 205Pb(EC); calculated Lorentz-violating differential decay rate in orbital electron capture. Discussed options for producing strong sources, competitive experiments and their required precision. 37Ar and 131Cs identified as the best sources for experimental studies.
doi: 10.1103/PhysRevC.91.038501
2015VO15 Phys.Rev. C 92, 052501 (2015) K.K.Vos, H.W.Wilschut, R.G.E.Timmermans Concurrent tests of Lorentz invariance in β-decay experiments
doi: 10.1103/PhysRevC.92.052501
2013ME12 Phys.Rev. C 88, 034001 (2013) E.Mereghetti, J.de Vries, R.G.E.Timmermans, U.van Kolck Toroidal quadrupole form factor of the deuteron
doi: 10.1103/PhysRevC.88.034001
2013NO01 Phys.Rev. C 87, 055502 (2013) J.P.Noordmans, H.W.Wilschut, R.G.E.Timmermans Lorentz violation in neutron decay and allowed nuclear β decay RADIOACTIVITY 1n(β-); calculated general decay rate for allowed β decay incorporating the modified W-boson propagator. Discussed Lorentz violation in Fermi, Gamow-Teller, and mixed β transitions. Implications for future experiments to search for Lorentz violation.
doi: 10.1103/PhysRevC.87.055502
2013ZH14 Phys.Rev. C 87, 054005 (2013) Polarization observables in low-energy antiproton-proton scattering NUCLEAR REACTIONS 1H(p-bar, p-bar), (p-bar, n-bar), (p-bar, X), E at <925 MeV/c; calculated σ(θ, E), total σ(E), depolarization, polarization transfer, rotation parameter, spin correlation coefficient using energy-dependent partial-wave analysis (PWA). Implications for achieving transverse polarization of an antiproton beam.
doi: 10.1103/PhysRevC.87.054005
2012LI29 Phys.Lett. B 713, 447 (2012) C.-P.Liu, J.de Vries, E.Mereghetti, R.G.E.Timmermans, U.van Kolck Deuteron magnetic quadrupole moment from chiral effective field theory NUCLEAR STRUCTURE 2H; calculated magnetic quadrupole moment of the deuteron; QCD calculations, comparison with available data.
doi: 10.1016/j.physletb.2012.06.024
2012WA24 Phys.Rev. C 86, 015503 (2012) L.W.Wansbeek, S.Schlesser, B.K.Sahoo, A.E.L.Dieperink, C.J.G.Onderwater, R.G.E.Timmermans Charge radii of radium isotopes NUCLEAR MOMENTS 208,209,210,211,212,213,220,221,222,223,224,225,226,227,228,229,230,232Ra; analyzed optical isotope shifts from experiments at ISOLDE, CERN and at KVI; deduced King plots, charge radii. Relevance to atomic parity violation in a chain of Ra isotopes.Comparison with theoretical atomic structure calculations.
doi: 10.1103/PhysRevC.86.015503
2012ZH41 Phys.Rev. C 86, 044003 (2012) Energy-dependent partial-wave analysis of all antiproton-proton scattering data below 925 MeV/c
doi: 10.1103/PhysRevC.86.044003
2011DE34 Phys.Rev. C 84, 065501 (2011) J.de Vries, R.Higa, C.-P.Liu, E.Mereghetti, I.Stetcu, R.G.E.Timmermans, U.van Kolck Electric dipole moments of light nuclei from chiral effective field theory NUCLEAR STRUCTURE 2,3H, 3He; calculated electric dipole moments by systematic expansion provided by chiral effective field theory (EFT) taking into account parity and time reversal violation.
doi: 10.1103/PhysRevC.84.065501
2008LI14 Phys.Rev. C 77, 044001 (2008) Y.Li, M.K.Liou, W.M.Schreiber, B.F.Gibson, R.G.E.Timmermans Meson exchange currents in neutron-proton bremsstrahlung
doi: 10.1103/PhysRevC.77.044001
2007CO03 Phys.Rev. C 75, 014006 (2007) M.D.Cozma, O.Scholten, R.G.E.Timmermans, J.A.Tjon Two-pion exchange contributions to the relativistic NN kernel: Peripheral scattering
doi: 10.1103/PhysRevC.75.014006
2007LI54 Phys.Rev. C 76, 035503 (2007) C.-P.Liu, M.J.Ramsey-Musolf, W.C.Haxton, R.G.E.Timmermans, A.E.L.Dieperink Atomic electric dipole moments: The Schiff theorem and its corrections
doi: 10.1103/PhysRevC.76.035503
2006ER02 Phys.Rev. C 73, 044009 (2006) G.Erkol, R.G.E.Timmermans, M.Oka, Th.A.Rijken Scalar-meson-baryon coupling constants in QCD sum rules
doi: 10.1103/PhysRevC.73.044009
2006ER07 Phys.Rev. C 74, 045201 (2006) G.Erkol, R.G.E.Timmermans, Th.A.Rijken Vector-meson-baryon coupling constants in QCD sum rules
doi: 10.1103/PhysRevC.74.045201
2006LI11 Phys.Lett. B 634, 488 (2006) Time-reversal violation in threshold (n(pol)) (p(pol)) scattering NUCLEAR REACTIONS 1H(polarized n, n'), E=0.025 eV; calculated parity violating asymmetry, spin rotation and longitudinal polarization. Polarized target, compared various potentials.
doi: 10.1016/j.physletb.2006.02.013
2006TI03 Phys.Rev. C 73, 034006 (2006) R.G.E.Timmermans, T.D.Penninga, B.F.Gibson, M.K.Liou Nucleon-nucleon bremsstrahlung: Anomalous magnetic moment effects NUCLEAR REACTIONS 1H(p, p'γ), E=157, 280 MeV; 1H(n, n'γ), E=200, 225 MeV; calculated bremsstrahlung σ(θ(1), θ(2), θ(γ)), contribution from anomalous magnetic moment.
doi: 10.1103/PhysRevC.73.034006
2005ER04 Phys.Rev. C 72, 035209 (2005) G.Erkol, R.G.E.Timmermans, Th.A.Rijken Nucleon-sigma coupling constant in QCD sum rules
doi: 10.1103/PhysRevC.72.035209
2005NO14 Phys.Rev. C 72, 054006 (2005) A.Nogga, R.G.E.Timmermans, U.van Kolck Renormalization of one-pion exchange and power counting
doi: 10.1103/PhysRevC.72.054006
2004CH37 Phys.Rev. C 70, 015201 (2004) X.-S.Chen, R.G.E.Timmermans, W.-Mi.Sun, H.-S.Zong, F.Wang Examination of the strangeness contribution to the nucleon magnetic moment NUCLEAR STRUCTURE 1n, 1H; calculated strangeness contribution to magnetic moment. Meson cloud model.
doi: 10.1103/PhysRevC.70.015201
2004FR29 Phys.Rev. C 70, 044001 (2004) J.L.Friar, U.van Kolck, M.C.M.Rentmeester, R.G.E.Timmermans Nucleon-mass difference in chiral perturbation theory and nuclear forces
doi: 10.1103/PhysRevC.70.044001
2004LI06 Phys.Rev. C 69, 011001 (2004) M.K.Liou, T.D.Penninga, R.G.E.Timmermans, B.F.Gibson Soft-photon analysis of nucleon-nucleon bremsstrahlung: Anomalous magnetic moment effects NUCLEAR REACTIONS 1H(p, p'γ), E=190, 280 MeV; 1n(p, p'γ), E=225 MeV; calculated bremsstrahlung σ(E, θ); deduced effect of anomalous magnetic moments. Comparisons with data.
doi: 10.1103/PhysRevC.69.011001
2004LI68 Phys.Rev. C 70, 055501 (2004) P- and T-odd two-nucleon interaction and the deuteron electric dipole moment NUCLEAR STRUCTURE 2H; calculated two-nucleon interaction features, deuteron electric dipole moment. NUCLEAR MOMENTS 2H; calculated two-nucleon interaction features, deuteron electric dipole moment.
doi: 10.1103/PhysRevC.70.055501
2003CO18 Phys.Rev. C 68, 044003 (2003) M.D.Cozma, O.Scholten, R.G.E.Timmermans, J.A.Tjon Sensitivity of pp bremsstrahlung on low-energy NN interaction NUCLEAR REACTIONS 1H(p, p'γ), E=0-250 MeV; analyzed bremsstrahlung σ, σ(θ), analyzing powers, partial wave contributions; deduced sensitivity to low-energy interaction model. Relativistic covariant model.
doi: 10.1103/PhysRevC.68.044003
2003RE12 Phys.Rev. C 67, 044001 (2003) M.C.M.Rentmeester, R.G.E.Timmermans, J.J.de Swart Determination of the chiral coupling constants c3 and c4 in new pp and np partial-wave analyses NUCLEAR REACTIONS 1H(p, p), (n, n), E < 500 MeV; analyzed data; deduced chiral coupling constants. Partial wave analysis.
doi: 10.1103/PhysRevC.67.044001
2002CO02 Phys.Rev. C65, 024001 (2002) M.D.Cozma, G.H.Martinus, O.Scholten, R.G.E.Timmermans, J.A.Tjon Covariant Model for Proton-Proton Bremsstrahlung: Comparison with high-precision data NUCLEAR REACTIONS 1H(p, p'γ), E=190 MeV; calculated bremsstrahlung σ(θ), Ay(θ). Relativistic covariant model, comparison with data.
doi: 10.1103/PhysRevC.65.024001
2002DE59 Phys.Rev. C 66, 064002 (2002) J.J.de Swart, R.G.E.Timmermans Angle-dependent normalization of neutron-proton differential cross sections NUCLEAR REACTIONS 1H(n, n), E=162-344 MeV; analyzed σ(θ); deduced normalization between various data sets.
doi: 10.1103/PhysRevC.66.064002
2002KO01 Phys.Rev. C65, 015208 (2002) C.L.Korpa, A.E.L.Dieperink, R.G.E.Timmermans Hyperon-Nucleon Scattering and Hyperon Masses in the Nuclear Medium
doi: 10.1103/PhysRevC.65.015208
2002TI01 Phys.Rev. C65, 014001 (2002) R.G.E.Timmermans, B.F.Gibson, Y.Li, M.K.Liou Noncoplanarity in Proton-Proton Bremsstrahlung NUCLEAR REACTIONS 1H(p, p'γ), E=190, 280 MeV; calculated noncoplanar σ(θ). Soft-photon approximation, comparisons with data.
doi: 10.1103/PhysRevC.65.014001
2002TI04 Phys.Rev. C65, 064007 (2002) R.G.E.Timmermans, A.Yu.Korchin, E.N.E.van Dalen, A.E.L.Dieperink Soft Electroweak Bremsstrahlung: Theorems and astrophysical relevance NUCLEAR REACTIONS 1n, 1H(n, nX), (n, pX), E not given; calculated electroweak bremsstrahlung amplitudes, matrix elements, axial-vector currents. 1n(n, nνν-bar), E at 50-300 MeV/c; calculated σ. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.65.064007
2001RE17 Phys.Rev. C64, 034004 (2001) M.C.M.Rentmeester, R.G.E.Timmermans, J.J.de Swart Normalization of Neutron-Proton Differential Cross Sections NUCLEAR REACTIONS 1H(n, n), E ≈ 160-350 MeV; analyzed σ(θ) from various experiments; deduced normalization factors. Energy-dependent Nijmegen partial wave analysis.
doi: 10.1103/PhysRevC.64.034004
2001TI04 Nucl.Phys. A689, 23c (2001) Chiral Two-Pion Exchange in the Nucleon-Nucleon Interaction
doi: 10.1016/S0375-9474(01)00815-6
2000HU03 Phys.Lett. 476B, 9 (2000) H.Huisman, J.C.S.Bacelar, M.J.Van Goethem, M.N.Harakeh, M.Hoefman, N.Kalantar-Nayestanaki, H.Lohner, J.G.Messchendorp, R.W.Ostendorf, S.Schadmand, O.Scholten, R.S.Simon, R.G.E.Timmermans, M.Volkerts, H.W.Wilschut Dynamical Effects in Proton-Proton Bremsstrahlung for Non-Coplanar Geometries NUCLEAR REACTIONS 1H(polarized p, pγ), E=190 MeV; measured σ(θ), analyzing power. Two-arm photon spectrometer, comparisons with model predictions.
doi: 10.1016/S0370-2693(00)00130-1
1999HU15 Phys.Rev.Lett. 83, 4017 (1999) H.Huisman, J.C.S.Bacelar, M.J.van Goethem, M.N.Harakeh, M.Hoefman, N.Kalantar-Nayestanaki, H.Lohner, J.G.Messchendorp, R.W.Ostendorf, S.Schadmand, O.Scholten, R.G.E.Timmermans, R.Turrisi, M.Volkerts, H.W.Wilschut, R.S.Simon, A.Kugler, V.Wagner High-Precision Proton-Proton Bremsstrahlung Measurements below the Pion-Production Threshold NUCLEAR REACTIONS 1H(polarized p, pγ), E=190 MeV; measured σ(θ), analyzing powers in coplanar kinematics. Comparison with calculations.
doi: 10.1103/PhysRevLett.83.4017
1999RE10 Phys.Rev.Lett. 82, 4992 (1999) M.C.M.Rentmeester, R.G.E.Timmermans, J.L.Friar, J.J.de Swart Chiral Two-Pion Exchange and Proton-Proton Partial-Wave Analysis
doi: 10.1103/PhysRevLett.82.4992
1998GI03 Nucl.Phys. A628, 417 (1998) The π+-Emission Puzzle in (Λ)4He Decay NUCLEAR STRUCTURE 4He; analyzed hypernucleus weak decay pion spectra, related features; deduced three-body decay mechanism.
doi: 10.1016/S0375-9474(97)00642-8
1998KO53 Phys.Lett. 438B, 1 (1998) A.Yu.Korchin, O.Scholten, R.G.E.Timmermans Pion and Photon Couplings of N* Resonances from Scattering on the Proton NUCLEAR REACTIONS 1H(π, π), (γ, π), E < 800 MeV; 1H(γ, γ), E=200-500 MeV; analyzed phase shifts, σ(θ); deduced resonance coupling features.
doi: 10.1016/S0370-2693(98)01041-7
1998TI01 Nucl.Phys. A631, 343c (1998) Low-Energy Pion-Nucleon Interaction
doi: 10.1016/S0375-9474(98)00032-3
1995TI03 Nucl.Phys. A585, 143c (1995) R.G.E.Timmermans, Th.A.Rijken, J.J.de Swart (Lambda)NK and ΣNK Couplings from LEAR PS185 Data NUCLEAR REACTIONS 1H(p-bar, X), E at 1435, 1546 MeV/c; compiled, reviewed this, other data analyses; deduced Goldberger-Treiman relations violation features.
doi: 10.1016/0375-9474(94)00557-4
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