NSR Query Results
Output year order : Descending NSR database version of March 18, 2024. Search: Author = V.M.Hannen Found 18 matches. 2022FR01 Astropart.Phys. 138, 102686 (2022) F.M.Frankle, A.Schaller, K.Blaum, L.Bornschein, G.Drexlin, F.Gluck, V.Hannen, F.Harms, D.Hinz, K.Johnston, J.Karthein, U.Koster, A.Lokhov, S.Mertens, F.Muller, A.Osipowicz, P.C.-O.Ranitzsch, K.Schlosser, T.Thummler, N.Trost, C.Weinheimer, J.Wolf KATRIN background due to surface radioimpurities RADIOACTIVITY 211,212Pb(β-); measured decay products, Eβ, Iβ; deduced T1/2 and uncertainties. Comparison with available data.
doi: 10.1016/j.astropartphys.2022.102686
2015UL01 J.Phys.(London) B48, 144022 (2015) J.Ullmann, Z.Andelkovic, A.Dax, W.Geithner, C.Geppert, C.Gorges, M.Hammen, V.Hannen, S.Kaufmann, K.Konig, Y.Litvinov, M.Lochmann, B.Maass, J.Meisner, T.Murbock, R.Sanchez, M.Schmidt, S.Schmidt, M.Steck, T.Stohlker, R.C.Thompson, J.Vollbrecht, C.Weinheimer, W.Nortershauser An improved value for the hyperfine splitting of hydrogen-like 209BI82+ ATOMIC PHYSICS 209Bi; measured time structure of the fluorescence resonance signal; deduced the rest frame transition wavelength and transition energies. Comparison with theoretical calculations.
doi: 10.1088/0953-4075/48/14/144022
2014LO11 Phys.Rev. A 90, 030501R (2014) M.Lochmann, R.Johren, C.Geppert, Z.Andelkovic, D.Anielski, B.Botermann, M.Bussmann, A.Dax, N.Frommgen, M.Hammen, V.Hannen, T.Kuhl, Y.A.Litvinov, R.Lopez-Coto, T.Stohlker, R.C.Thompson, J.Vollbrecht, A.Volotka, C.Weinheimer, W.Wen, E.Will, D.Winters, R.Sanchez, W.Nortershauser Observation of the hyperfine transition in lithium-like bismuth 209Bi80+ :Towards a test of QED in strong magnetic fields ATOMIC PHYSICS 209Bi; measured fluorescence emission wavelengths; deduced hyperfine splitting. Comparison with available data.
doi: 10.1103/PhysRevA.90.030501
2013DR11 Adv.High Energy Phys. 2013, 39 (2013) G.Drexlin, V.Hannen, S.Mertens, C.Weinheimer Current Direct Neutrino Mass Experiments
doi: 10.1155/2013/293986
2007HO13 Phys.Rev. C 76, 014314 (2007) F.Hofmann, C.Baumer, A.M.van den Berg, D.Frekers, V.M.Hannen, M.N.Harakeh, M.de Huu, Y.Kalmykov, P.von Neumann-Cosel, V.Yu.Ponomarev, S.Rakers, B.Reitz, A.Richter, K.Schweda, A.Shevchenko, J.Wambach, H.J.Wortche Proton scattering at intermediate energies on 58Ni: How well is it understood? NUCLEAR REACTIONS 58Ni(p, p'), E=172 MeV; measured cross sections, spin flip cross sections and spin-flip probabilities. Compared results to model calculations.
doi: 10.1103/PhysRevC.76.014314
2005HA03 Phys.Rev. C 71, 014606 (2005) M.Hagemann, C.Baumer, A.M.van den Berg, D.De Frenne, D.Frekers, V.M.Hannen, M.N.Harakeh, J.Heyse, M.A.de Huu, E.Jacobs, K.Langanke, G.Martinez-Pinedo, A.Negret, L.Popescu, S.Rakers, R.Schmidt, H.J.Wortche Spin-isospin excitations in the medium-mass nucleus 58Co investigated with the (d, 2He) reaction NUCLEAR REACTIONS 58Ni(d, 2p), E=170 MeV; measured Ep, pp-coin, σ(E, θ). 58Co deduced levels, Gamow-Teller strengths, related features. 58Ni, 58Co deduced analog states Coulomb displacement energy. Comparison with large-scale shell model calculations.
doi: 10.1103/PhysRevC.71.014606
2005HO10 Phys.Lett. B 612, 165 (2005) F.Hofmann, C.Baumer, A.M.van den Berg, D.Frekers, V.M.Hannen, M.N.Harakeh, M.A.de Huu, Y.Kalmykov, P.von Neumann-Cosel, V.Yu.Ponomarev, S.Rakers, B.Reitz, A.Richter, A.Shevchenko, K.Schweda, J.Wambach, H.J.Wortche Polarized proton scattering on 58Ni at small momentum transfer: A test of the microscopic optical model and effective interactions NUCLEAR REACTIONS 58Ni(polarized p, p'), (polarized p, p), E=172 MeV; measured elastic and inelastic σ(E, θ), analyzing powers. Comparison with model predictions.
doi: 10.1016/j.physletb.2005.03.020
2004HA01 Phys.Lett. B 579, 251 (2004) M.Hagemann, A.M.van den Berg, D.De Frenne, V.M.Hannen, M.N.Harakeh, J.Heyse, M.A.de Huu, E.Jacobs, K.Langanke, G.Martinez-Pinedo, H.J.Wortche High-resolution determination of GT strength distributions relevant to the presupernova evolution using the (d, 2He) reaction NUCLEAR REACTIONS 58Ni(d, 2p), E=170 MeV; measured Ep, pp-coin, σ(E, θ); deduced Gamow-Teller strength distributions. Astrophysical implications discussed.
doi: 10.1016/j.physletb.2003.09.101
2003HA11 Phys.Rev. C 67, 054320 (2003) V.M.Hannen, K.Amos, A.M.van den Berg, R.K.Bieber, P.K.Deb, F.Ellinghaus, D.Frekers, M.Hagemann, M.N.Harakeh, J.Heyse, M.A.de Huu, B.A.M.Krusemann, S.Rakers, R.Schmidt, S.Y.van der Werf, H.J.Wortche Measurement and microscopic analysis of the 11B(p(pol), p(pol)) reaction at Ep = 150 MeV. I. Inelastic scattering NUCLEAR REACTIONS 11B(polarized p, p'), E=150 MeV; measured σ(E, θ), analyzing powers, spin-flip probabilities. 11B deduced transitions B(M1), B(E2). Comparison with model predictions.
doi: 10.1103/PhysRevC.67.054320
2003HA12 Phys.Rev. C 67, 054321 (2003) V.M.Hannen, K.Amos, A.M.van den Berg, R.K.Bieber, P.K.Deb, F.Ellinghaus, D.Frekers, M.Hagemann, M.N.Harakeh, J.Heyse, M.A.de Huu, B.A.M.Krusemann, S.Rakers, R.Schmidt, S.Y.van der Werf, H.J.Wortche Measurement and microscopic analysis of the 11B(p(pol), p(pol)) reaction at Ep = 150 MeV. II. Depolarization in elastic scattering from odd-A nuclei NUCLEAR REACTIONS 11B, 12C(polarized p, p), E=150 MeV; measured σ(θ), polarization transfer coefficient. Comparison with model predictions.
doi: 10.1103/PhysRevC.67.054321
2003WO10 Nucl.Phys. A719, 131c (2003) H.J.Wortche, A.M.van den Berg, V.M.Hannen, M.N.Harakeh, M.A.de Huu, D.De Frenne, M.Hagemann, J.Heyse, E.Jacobs, C.Baumer, D.Frekers, S.Rakers, R.Schmidt High resolution studies of low lying GT strength using the (d, 2He) reaction and its impact on electron-capture rates in stellar environments NUCLEAR REACTIONS 58Ni(d, 2p), E=170 MeV; measured Ep, pp-coin, σ(E, θ); deduced Gamow-Teller strength distributions. 58Ni deduced astrophysical electron capture rates.
doi: 10.1016/S0375-9474(03)00982-5
2002RA12 Phys.Rev. C65, 044323 (2002) S.Rakers, C.Baumer, D.Frekers, R.Schmidt, A.M.van den Berg, V.M.Hannen, M.N.Harakeh, M.A.de Huu, H.J.Wortche, D.De Frenne, M.Hagemann, J.Heyse, E.Jacobs, Y.Fujita Gamow-Teller Matrix Elements from the 12C(d, 2He) and 24Mg(d, 2He) Reactions at 170 MeV NUCLEAR REACTIONS 12C, 24Mg(d, 2p), E=170 MeV; measured Ep, pp-coin, σ(E, θ), angular correlations. 12C, 24Mg deduced Gamow-Teller matrix elements. DWBA analysis.
doi: 10.1103/PhysRevC.65.044323
2002RA15 Nucl.Instrum.Methods Phys.Res. A481, 253 (2002) S.Rakers, F.Ellinghaus, R.Bassini, C.Baumer, A.M.van den Berg, D.Frekers, D.De Frenne, M.Hagemann, V.M.Hannen, M.N.Harakeh, M.Hartig, R.Henderson, J.Heyse, M.A.de Huu, E.Jacobs, M.Mielke, J.M.Schippers, R.Schmidt, S.Y.van der Werf, H.J.Wortche Measuring the (d, 2He) Reaction with the Focal-Plane Detection System of the BBS Magnetic Spectrometer at AGOR NUCLEAR REACTIONS 12C, 24Mg(d, 2p), E=170 MeV; measured proton spectra, correlations. 12B, 24Na deduced levels, J, π.
doi: 10.1016/S0168-9002(01)01365-1
2001BA18 Phys.Rev. C63, 037601 (2001) C.Baumer, R.Bassini, A.M.van den Berg, D.De Frenne, D.Frekers, M.Hagemann, V.M.Hannen, M.N.Harakeh, J.Heyse, M.A.de Huu, E.Jacobs, M.Mielke, S.Rakers, R.Schmidt, H.Sohlbach, H.J.Wortche Deuteron Elastic and Inelastic Scattering from 12C, 24Mg, and 58Ni at 170 MeV NUCLEAR REACTIONS 12C, 24Mg, 58Ni(d, d), (d, d'), E=170 MeV; measured σ(E, θ); deduced optical model parameters.
doi: 10.1103/PhysRevC.63.037601
2001ER01 Phys.Rev.Lett. 86, 5862 (2001) K.Ermisch, A.M.van den Berg, R.Bieber, W.Glockle, J.Golak, M.Hagemann, V.M.Hannen, M.N.Harakeh, M.A.de Huu, N.Kalantar-Nayestanaki, H.Kamada, M.Kis, J.Kuros-Zolnierczuk, M.Mahjour-Shafiei, A.Micherdzinska, A.Nogga, R.Skibinski, H.Witala, H.J.Wortche Search for Three-Nucleon Force Effects in Analyzing Powers for p(pol)d Elastic Scattering NUCLEAR REACTIONS 2H(polarized p, p), E=120, 135, 150, 170 MeV; measured Ay(θ); deduced no theoretical improvement with inclusion of three-nucleon forces.
doi: 10.1103/PhysRevLett.86.5862
2001ER02 Nucl.Phys. A689, 337c (2001) K.Ermisch, A.M.van den Berg, R.Bieber, M.Hagemann, V.M.Hannen, M.N.Harakeh, M.A.de Huu, N.Kalantar-Nayestanaki, M.Kis, A.Micherdzinska, M.Shafiei, H.Wortche Investigation of Effects Beyond Two-Body Forces in Three-Nucleon Systems NUCLEAR REACTIONS 2H(polarized p, p), E=108-170 MeV; measured Ay(θ); deduced three-body force contributions.
doi: 10.1016/S0375-9474(01)00849-1
2001ZE04 Nucl.Phys. A687, 262c (2001) R.G.T.Zegers, A.M.van den Berg, S.Brandenburg, F.R.R.Fleurot, M.Fujiwara, J.Guillot, V.M.Hannen, M.N.Harakeh, H.Laurent, K.van der Schaaf, S.Y.van der Werf, A.Willis, H.W.Wilschut Observation of the Isovector Giant Monopole Resonances in the (3He, t) Reaction NUCLEAR REACTIONS Pb(3He, t), E=177 MeV; measured σ at small angles, Ep, (proton)(triton)-coin, isovector giant monopole resonance parameters. DWBA calculations.
doi: 10.1016/S0375-9474(01)00630-3
2000ZE03 Phys.Rev.Lett. 84, 3779 (2000) R.G.T.Zegers, A.M.van den Berg, S.Brandenburg, F.R.R.Fleurot, M.Fujiwara, J.Guillot, V.M.Hannen, M.N.Harakeh, H.Laurent, K.van der Schaaf, S.Y.van der Werf, A.Willis, H.W.Wilschut Search for Isovector Giant Monopole Resonances via the Pb(3He, tp) Reaction NUCLEAR REACTIONS Pb(3He, pt), E=177 MeV; measured triton, proton spectra, tp-coin. Bi deduced isovector monopole resonance strengths. Comparison with theory.
doi: 10.1103/PhysRevLett.84.3779
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