NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = R.Van Ammel Found 30 matches. 2020MA63 J.Radioanal.Nucl.Chem. 326, 1785 (2020) M.Marouli, S.Pomme, V.Jobbagy, H.Stroh, R.Van Ammel, A.Fankhauser, R.Jakopic, S.Richter, Y.Aregbe, M.Crozet, C.Maillard, C.Rivier, D.Roudil Absolute and relative measurement of the 243Am half-life RADIOACTIVITY 241,243Am(α); measured decay products, Eα, Iα; deduced T1/2, ratios and uncertainties. Comparison with DDEP, available data.
doi: 10.1007/s10967-020-07450-9
2019MA02 Appl.Radiat.Isot. 144, 34 (2019) M.Marouli, G.Lutter, S.Pomme, R.Van Ammel, M.Hult, S.Pierre, P.Dryak, P.Carconi, A.Fazio, F.Bruchertseifer, A.Morgenstern Measurement of absolute γ-ray emission probabilities in the decay of 227Ac in equilibrium with its progeny RADIOACTIVITY 227Ac, 227Th, 223Ra, 211Bi, 219Rn, 215Po(α); measured decay products, Eα, Iα, Eγ, Iγ; deduced γ-ray emission probabilities. Comparison with available data.
doi: 10.1016/j.apradiso.2018.08.023
2019PO05 Appl.Radiat.Isot. 148, 27 (2019) The 55Fe half-life measured with a pressurised proportional counter RADIOACTIVITY 55Fe(EC); measured decay products, X-rays; deduced T1/2. Comparison with available data.
doi: 10.1016/j.apradiso.2019.01.008
2018MA03 Appl.Radiat.Isot. 132, 72 (2018) M.Marouli, G.Lutter, S.Pomme, R.Van Ammel, M.Hult, S.Richter, R.Eykens, V.Peyres, E.Garcia-Torano, P.Dryak, M.Mazanova, P.Carconi Measurement of absolute γ-ray emission probabilities in the decay of 235U RADIOACTIVITY 235U(α); measured decay products, Eγ, Iγ; deduced γ-ray emission probabilities per decay of 235U and energies. Comparison with available data.
doi: 10.1016/j.apradiso.2017.10.049
2018PO02 Appl.Radiat.Isot. 134, 6 (2018) S.Pomme, H.Stroh, T.Altzitzoglou, J.Paepen, R.Van Ammel, K.Kossert, O.Nahle, J.D.Keightley, K.M.Ferreira, L.Verheyen, M.Bruggeman Is decay constant? RADIOACTIVITY 3H, 14C, 90Sr, 134Cs(β-), 152Eu(EC), (β-), (β+), 22Na, 65Zn(β+), (EC), 54Mn, 109Cd(EC), 209Po, 241Am(α), 226Ra(α); analyzed available data for presence of systematic modulations; deduced amplitudes of fitted oscillations to residuals from exponential decay do not exceed 3 times their standard uncertainty, contradiction of the assertion that neutrino-induced beta decay provides information about the deep solar interior.
doi: 10.1016/j.apradiso.2017.09.002
2018PO10 Appl.Radiat.Isot. 140, 171 (2018) S.Pomme, J.Paepen, R.Van Ammel Linearity check of an ionisation chamber through 99mTc half-life measurements RADIOACTIVITY 99Tc(IT); measured decay products; deduced T1/2. Comparison with available data.
doi: 10.1016/j.apradiso.2018.07.004
2017LE03 Appl.Radiat.Isot. 126, 150 (2017), Priv.Comm. (2021) M.-C.Lepy, S.Pierre, R.Van Ammel, M.Marouli Photon emission intensities in the decay of U-235 RADIOACTIVITY 235U(α), 231Th(β-); measured decay products, Eγ, Iγ, Eα, Iα, X-rays; deduced γ-ray energies and intensities, γ-ray intensities were revisited in private communication. Comparison with available data.
doi: 10.1016/j.apradiso.2016.12.045
2017MA22 Appl.Radiat.Isot. 125, 196 (2017) M.Marouli, S.Pomme, R.Van Ammel, E.Garcia-Torano, T.Crespo, S.Pierre Direct measurement of alpha emission probabilities in the decay of 226Ra RADIOACTIVITY 226Ra(α); measured decay products, Eα, Iα; deduced alpha-particle emission probabilities and uncertainties.
doi: 10.1016/j.apradiso.2017.04.029
2017PO15 Metrologia 54, 19 (2017) S.Pomme, H.Stroh, J.Paepen, R.Van Ammel, M.Marouli, T.Altzitzoglou, M.Hult, K.Kossert, O.Nahle, H.Schrader, F.Juget, C.Bailat, Y.Nedjadi, F.Bochud, T.Buchillier, C.Michotte, S.Courte, M.W.van Rooy, M.J.van Staden, J.Lubbe, B.R.S.Simpson, A.Fazio, P.De Felice, T.W.Jackson, W.M.Van Wyngaardt, M.I.Reinhard, J.Golya, S.Bourke, T.Roy, R.Galea, J.D.Keightley, K.M.Ferreira, S.M.Collins, A.Ceccatelli, L.Verheyen, M.Bruggeman, B.Vodenik, M.Korun, V.Chiste, M.-N.Amiot On decay constants and orbital distance to the Sun-part II: beta minus decay RADIOACTIVITY 3H, 14C, 60Co, 85Kr, 90Sr, 124Sb, 134,137Cs, 154Eu(β-); analyzed available data from radionuclide metrology laboratories, residuals from the exponential decay curves for annual oscillations; deduced systematic deviations from a purely exponential decay curve differ in amplitude and phase from one data set to another and appear attributable to instabilities in the instrumentation and measurement conditions, oscillations in phase with Earth's orbital distance to the Sun could not be observed, no apparent indications for systematic oscillations at a level of weeks or months.
doi: 10.1088/1681-7575/54/1/19
2017PO16 Metrologia 54, 1 (2017) S.Pomme, H.Stroh, J.Paepen, R.Van Ammel, M.Marouli, T.Altzitzoglou, M.Hult, K.Kossert, O.Nahle, H.Schrader, F.Juget, C.Bailat, Y.Nedjadi, F.Bochud, T.Buchillier, C.Michotte, S.Courte, M.W.van Rooy, M.J.van Staden, J.Lubbe, B.R.S.Simpson, A.Fazio, P.De Felice, T.W.Jackson, W.M.Van Wyngaardt, M.I.Reinhard, J.Golya, S.Bourke, T.Roy, R.Galea, J.D.Keightley, K.M.Ferreira, S.M.Collins, A.Ceccatelli, L.Verheyen, M.Bruggeman, B.Vodenik, M.Korun, V.Chiste, M.-N.Amiot On decay constants and orbital distance to the Sun-part I: alpha decay RADIOACTIVITY 209Po, 226Ra, 228Th, 230U, 241Am(α); analyzeed two decades of data from various nuclear metrology institutes around the globe, residuals from the exponential decay curves for annual oscillations; deduced that systematic deviations from a purely exponential decay curve differ in amplitude and phase from one data set to another are attributable to instabilities in the instrumentation and measurement conditions, lack of apparent indications for systematic oscillations at a level of weeks or months.
doi: 10.1088/1681-7575/54/1/1
2017PO17 Metrologia 54, 36 (2017) S.Pomme, H.Stroh, J.Paepen, R.Van Ammel, M.Marouli, T.Altzitzoglou, M.Hult, K.Kossert, O.Nahle, H.Schrader, F.Juget, C.Bailat, Y.Nedjadi, F.Bochud, T.Buchillier, C.Michotte, S.Courte, M.W.van Rooy, M.J.van Staden, J.Lubbe, B.R.S.Simpson, A.Fazio, P.De Felice, T.W.Jackson, W.M.Van Wyngaardt, M.I.Reinhard, J.Golya, S.Bourke, T.Roy, R.Galea, J.D.Keightley, K.M.Ferreira, S.M.Collins, A.Ceccatelli, L.Verheyen, M.Bruggeman, B.Vodenik, M.Korun, V.Chiste, M.-N.Amiot On decay constants and orbital distance to the Sun-part III: beta plus and electron capture decay RADIOACTIVITY 22Na, 54Mn, 55Fe, 57Co, 65Zn, 82,85Sr, 109Cd, 133Ba, 152Eu(EC), (β+), 90Sr, 124Sb(β-); analyzed available data on repeated over periods from 200 d up to more than four decades at 14 laboratories across the globe, residuals from the exponential nuclear decay curves for annual oscillations; deduced that systematic deviations from a purely exponential decay curve differ from one data set to another attributable to instabilities in the instrumentation and measurement conditions, oscillations in phase with Earth's orbital distance to the sun could not be observed, lack of apparent indications for systematic oscillations at a level of weeks or months.
doi: 10.1088/1681-7575/54/1/36
2016PO08 Phys.Lett. B 761, 281 (2016) S.Pomme, H.Stroh, J.Paepen, R.Van Ammel, M.Marouli, T.Altzitzoglou, M.Hult, K.Kossert, O.Nahle, H.Schrader, F.Juget, C.Bailat, Y.Nedjadi, F.Bochud, T.Buchillier, C.Michotte, S.Courte, M.W.van Rooy, M.J.van Staden, J.Lubbe, B.R.S.Simpson, A.Fazio, P.De Felice, T.W.Jackson, W.M.Van Wyngaardt, M.I.Reinhard, J.Golya, S.Bourke, T.Roy, R.Galea, J.D.Keightley, K.M.Ferreira, S.M.Collins, A.Ceccatelli, M.Unterweger, R.Fitzgerald, D.E.Bergeron, L.Pibida, L.Verheyen, M.Bruggeman, B.Vodenik, M.Korun, V.Chiste, M.-N.Amiot Evidence against solar influence on nuclear decay constants RADIOACTIVITY 209Po, 226Ra, 228Th, 230U, 241Am(α), 3H, 14C, 60Co, 85Kr, 90Sr, 124Sb, 134,137Cs(β-), 54Mn, 55Fe, 57Co, 82,85Sr, 109Cd, 133Ba(EC), 22Na, 65Zn, 207Bi(EC), (β+), 152Eu(β-), (EC), (β+); measured decay products; deduced decay constant vs. solar activity, exponential nature of nuclear decay.
doi: 10.1016/j.physletb.2016.08.038
2014MA14 Appl.Radiat.Isot. 87, 292 (2014) M.Marouli, S.Pomme, V.Jobbagy, R.Van Ammel, J.Paepen, H.Stroh, L.Benedik Alpha-particle emission probabilities of 236U obtained by alpha spectrometry RADIOACTIVITY 236U(α); measured decay products, Eα, Iα; deduced α-emission probabilities, conversion electrons.
doi: 10.1016/j.apradiso.2013.11.020
2014PO02 Appl.Radiat.Isot. 87, 315 (2014) S.Pomme, E.Garcia-Torano, M.Marouli, M.T.Crespo, V.Jobbagy, R.Van Ammel, J.Paepen, H.Stroh High-resolution alpha-particle spectrometry of 238U RADIOACTIVITY 238U(α); measured decay products, Eα, Iα; deduced α-emission probabilities and their uncertainties.
doi: 10.1016/j.apradiso.2013.11.075
2013MA13 Appl.Radiat.Isot. 74, 123 (2013) M.Marouli, G.Suliman, S.Pomme, R.Van Ammel, V.Jobbagy, H.Stroh, H.Dikmen, J.Paepen, A.Dirican, F.Bruchertseifer, C.Apostolidis, A.Morgenstern Decay data measurements on 213Bi using recoil atoms RADIOACTIVITY 213Bi(β-), (α); measured decay products, Eα, Iα; deduced T1/2, α-emission probabilities, branchings. Comparison with available data.
doi: 10.1016/j.apradiso.2012.12.005
2013SU13 Appl.Radiat.Isot. 77, 32 (2013) G.Suliman, S.Pomme, M.Marouli, R.Van Ammel, H.Stroh, V.Jobbagy, J.Paepen, A.Dirican, F.Bruchertseifer, C.Apostolidis, A.Morgenstern Half-lives of 221Fr, 217At, 213Bi, 213Po and 209Pb from the 225Ac decay series RADIOACTIVITY 221Fr, 217At(α), 213Bi(β-), 213Po(α), 209Pb(β-); measured decay products, Eα, Iα, Eβ, Iβ; deduced T1/2 and their uncertainties. Comparison with available data.
doi: 10.1016/j.apradiso.2013.02.008
2012MA30 Appl.Radiat.Isot. 70, 2270 (2012) M.Marouli, S.Pomme, J.Paepen, R.Van Ammel, V.Jobbagy, A.Dirican, G.Suliman, H.Stroh, C.Apostolidis, K.Abbas, A.Morgenstern High-resolution alpha-particle spectrometry of the 230U decay series RADIOACTIVITY 230U, 226Th(α); measured decay products, Eα, Iα; deduced α-particle emission probabilities and energies, uncertainties. Comparison with available data.
doi: 10.1016/j.apradiso.2012.02.107
2012PO12 Appl.Radiat.Isot. 70, 1900 (2012) S.Pomme, T.Altzitzoglou, R.Van Ammel, G.Suliman, M.Marouli, V.Jobbagy, J.Paepen, H.Stroh, C.Apostolidis, K.Abbas, A.Morgenstern Measurement of the 230U half-life RADIOACTIVITY 230U(α); measured decay products, Eα, Iα, Eγ, Iγ, Eβ, Iβ; deduced T1/2 and its uncertainties. Comparison with available data.
doi: 10.1016/j.apradiso.2012.02.053
2012PO13 Appl.Radiat.Isot. 70, 1913 (2012) S.Pomme, G.Suliman, M.Marouli, R.Van Ammel, V.Jobbagy, J.Paepen, H.Stroh, C.Apostolidis, K.Abbas, A.Morgenstern Measurement of the 226Th and 222Ra half-lives RADIOACTIVITY 226Th, 222Ra(α); measured decay products, Eα, Iα; deduced T1/2 and their uncertainties. Comparison with available data.
doi: 10.1016/j.apradiso.2012.02.117
2012PO14 Appl.Radiat.Isot. 70, 2608 (2012) S.Pomme, M.Marouli, G.Suliman, H.Dikmen, R.Van Ammel, V.Jobbagy, A.Dirican, H.Stroh, J.Paepen, F.Bruchertseifer, C.Apostolidis, A.Morgenstern Measurement of the 225Ac half-life RADIOACTIVITY 225Ac(α); measured decay products, Eα, Iα, Eγ, Iγ, Eβ, Iβ; deduced T1/2 and its uncertainties. Comparison with available data.
doi: 10.1016/j.apradiso.2012.07.014
2012SU11 Appl.Radiat.Isot. 70, 1907 (2012) G.Suliman, S.Pomme, M.Marouli, R.Van Ammel, V.Jobbagy, J.Paepen, H.Stroh, C.Apostolidis, K.Abbas, A.Morgenstern Measurements of the half-life of 214Po and 218Rn using digital electronics RADIOACTIVITY 214Po, 218Rn(α); measured decay products, Eα, Iα; deduced T1/2 and their uncertainties. Comparison with available data.
doi: 10.1016/j.apradiso.2012.02.095
2011PO07 Appl.Radiat.Isot. 69, 1267 (2011) S.Pomme, J.Paepen, T.Altzitzoglou, R.Van Ammel, E.Yeltepe Measurement of the 177Lu half-life RADIOACTIVITY 177Lu(β-) [from 176Lu(n, γ), E=thermal]; measured decay products; deduced T1/2 and uncertainties. Comparison with evaluated data.
doi: 10.1016/j.apradiso.2011.04.021
2011VA02 Appl.Radiat.Isot. 69, 785 (2011) R.Van Ammel, S.Pomme, J.Paepen, G.Sibbens Measurement of the 109Cd half-life RADIOACTIVITY 109Cd(EC); measured ionization, Eγ, Iγ; deduced T1/2 and uncertainties. Comparison with experimental data.
doi: 10.1016/j.apradiso.2011.01.020
2010BE18 Appl.Radiat.Isot. 68, 2026 (2010) M.-M.Be, B.Chauvenet, M.-N.Amiot, C.Bobin, M.-C.Lepy, T.Branger, I.Laniece, A.Luca, M.Sahagia, A.C.Watjen, K.Kossert, O.Ott, O.Nahle, P.Dryak, J.Sochorova, P.Kovar, P.Auerbach, T.Altzitzoglou, S.Pomme, G.Sibbens, R.Van Ammel, J.Paepen, A.Iwahara, J.U.Delgado, R.Poledna International exercise on 124Sb photon emission intensities determination RADIOACTIVITY 124Sb(β-); measured Eγ, Iγ; deduced γ-ray and x-rays intensities per decay, branching ratio.
doi: 10.1016/j.apradiso.2010.01.038
2010PA07 Appl.Radiat.Isot. 68, 1555 (2010) J.Paepen, T.Altzitzoglou, R.Van Ammel, G.Sibbens, S.Pomme Half-life measurement of 124Sb RADIOACTIVITY 124Sb(β-) [from Sb(n, X)]; measured Eγ, Iγ, Ee, Ie; deduced precise value for T1/2. COMPILATION 124Sb; compiled experimental values for T1/2.
doi: 10.1016/j.apradiso.2009.11.050
2010VA13 Appl.Radiat.Isot. 68, 2387 (2010) R.Van Ammel, J.Paepen, S.Pomme, G.Sibbens Measurement of the 54Mn half-life RADIOACTIVITY 54Mn(EC); measured decay products, Eγ, Iγ; deduced T1/2. Comparison with other experimental and evaluated results.
doi: 10.1016/j.apradiso.2010.06.010
2009PO15 Metrologia 46, 439 (2009) S.Pomme, T.Altzitzoglou, R.Van Ammel, G.Sibbens, R.Eykens, S.Richter, J.Camps, K.Kossert, H.Janssen, E.Garcia-Torano, T.Duran, F.Jaubert Experimental determination of the 233U half-life RADIOACTIVITY 233U(α); measured Eα, Iα, Eγ, Iγ; deduced T1/2. Comparison with evaluated and experimental data.
doi: 10.1088/0026-1394/46/5/007
2006VA13 Appl.Radiat.Isot. 64, 1412 (2006) R.Van Ammel, S.Pomme, G.Sibbens Half-life measurement of 55Fe RADIOACTIVITY 55Fe(EC), (β+); measured T1/2.
doi: 10.1016/j.apradiso.2006.02.052
2005PO09 Nucl.Instrum.Methods Phys.Res. A544, 584 (2005); Erratum Nucl.Instrum.Methods Phys.Res. A555, 459 (2005) S.Pomme, T.Altzitzoglou, R.Van Ammel, G.Sibbens Standardisation of 125I using seven techniques for radioactivity measurement RADIOACTIVITY 125I(EC); measured Eγ, electron and X-ray spectra, sum energy spectra.
doi: 10.1016/j.nima.2005.01.305
2004VA02 Appl.Radiat.Isot. 60, 337 (2004) R.Van Ammel, S.Pomme, G.Sibbens Experimental verification of the half-life of 65Zn RADIOACTIVITY 65Zn(EC), (β+); measured T1/2. Comparison with previous data.
doi: 10.1016/j.apradiso.2003.11.037
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