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NSR database version of April 27, 2024.

Search: Author = P.De Felice

Found 11 matches.

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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
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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
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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
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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
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2004SA06      Appl.Radiat.Isot. 60, 423 (2004)

M.Sahagia, C.Ivan, E.L.Grigorescu, M.Capogni, P.De Felice, A.Fazio

Standardization of ⁶⁵Zn by 4πPC-γ coincidence counting method with efficiency extrapolation

RADIOACTIVITY ⁶⁵Zn(EC); measured βγ-coin. Comparison with previous results.

doi: 10.1016/j.apradiso.2003.11.053
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2002DE02      Appl.Radiat.Isot. 56, 117 (2002)

P.De Felice, P.Angelini, A.Fazio, M.Capogni

A National Campaign for Coincidence-Summing Correction in γ-Ray Spectrometry

doi: 10.1016/S0969-8043(01)00176-2
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1996DE41      Nucl.Instrum.Methods Phys.Res. A369, 445 (1996)

P.De Felice, Xh.Myteberi

The ²²²Rn Reference Measurement System Developed at ENEA

RADIOACTIVITY ²²²Rn(α); measured α spectra, activity. Reference measurement system development based on radon transfer, counting system.

doi: 10.1016/S0168-9002(96)80028-3
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1995DE69      J.Radioanal.Nucl.Chem. 200, 109 (1995)

P.De Felice, Xh.Myteberi

Standardization of ¹²⁵I by the Sum-Peak Method and the Results of a Bilateral Comparison between ENEA (Italy) and INP (Albania)

RADIOACTIVITY ¹²⁵I(EC); measured photon sum-peak spectra, accidental coincidences correction factor vs count rate. Reference to source standardization studies.

doi: 10.1007/BF02163680
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1994JE15      Nucl.Instrum.Methods Phys.Res. A339, 55 (1994)

S.M.Jerome, M.J.Woods, P.de Felice, C.Pona, J.de Sanoit, R.Dersch

Development of a Range of γ-Ray Emitting Radioactive Spiked Reference Materials for Environmental Monitoring - Part I

doi: 10.1016/0168-9002(94)91778-7
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1990DE09      Nucl.Instrum.Methods Phys.Res. A286, 514 (1990)

P.De Felice, P.Ientile, C.Zicari

Half-Life Determination of ¹²⁵I

RADIOACTIVITY ¹²⁵I(EC); measured T_1/2. Sum peak coincidence technique, source activity measurement.

doi: 10.1016/0168-9002(90)90907-N
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1983DE30      Nucl.Instrum.Methods 212, 359 (1983)

P.De Felice, R.Ocone, A.Rindi, J.Tuyn, R.Deltenre, G.Roubaud

High Energy Proton Interactions with Sr and Cs. A Contribution to the Waste Transmutation Study

NUCLEAR REACTIONS ⁸⁸Sr(p, X), (p, xn), (p, xnp), (p, xn2p), (p, xn3p)⁸⁶Y/⁸⁷Y/⁸⁸Y/⁸³Sr/⁸⁵Sr/⁸⁷Sr/^87mSr/⁸²Rb/^82mRb/⁸³Rb/⁸⁴Rb/⁷⁹Kr/⁷⁷Br/⁷³Se/⁷¹As/⁷⁴As/⁶⁶Ge/⁶⁹Ge/⁶⁹Zn/^69mZn, E=660 MeV; ¹³³Cs(p, X), (p, xn), (p, xn2p), (p, xn3p)¹³¹Ba/¹²⁷Cs/¹²⁹Cs/¹³²Cs/¹²²Xe/¹²⁵Xe/¹²⁷Xe/¹²³I/¹²⁴I/¹³¹I/¹¹⁹Te/^119mTe/¹²¹Te/^121mTe/¹¹⁸Sb, E=660 MeV; measured residuals production σ. Activation technique.

doi: 10.1016/0167-5087(83)90715-9
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