Nuclear Science References (NSR)

NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 27, 2024.

Search: Author = M.W.van Rooy

Found 5 matches.

Back to query form

2020VA03 Appl.Radiat.Isot. 160, 109070 (2020)

M.W.van Rooy, M.J.van Staden, B.R.S.Simpson, J.Lubbe

Activity determination of ¹⁸F using liquid scintillation beta-efficiency extrapolation and non-extrapolation methods

RADIOACTIVITY ¹⁸F(EC), (β⁺); measured decay products, Eβ, Iβ, Eγ, Iγ; deduced the absolute activity.

doi: 10.1016/j.apradiso.2020.109070
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2017PO16 Metrologia 54, 1 (2017)

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
Citations: PlumX Metrics

2017PO17 Metrologia 54, 36 (2017)

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

Back to query form