On decay constants and orbital distance to the Sun—part I: alpha decay

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On decay constants and orbital distance to the Sun—part I: alpha decay. / Pommé, Stefaan; Stroh, H; Paepen, J; Van Ammel, Raf; Marouli, H; Altzitzoglou, T; Hult, M; Kossert, K; Nähle, O; Schrader, H; Juget, F; Bailat, C; Nedjadi, Y ; Bochud, F ; Buchillier, T ; Michotte, C; Courte, S; van Rooy, M W; van Staden, M J; Lubbe, J ; Simpson, B R S ; Fazio, A; De Felice, P; Jackson, T W; Van Wyngaardt, W M ; Reinhard, M I ; Golya, J ; Bourke, S; Roy, T ; Galea, R; Keightley, J D ; Ferreira, K M ; Collins, S M; Ceccatelli, A; Verheyen, Leen; Bruggeman, Michel; Vodenik, Branko; Korun , M ; Chisté, V; Amiot, M N.

In: Metrologia, Vol. 54, No. 1, 28.11.2016, p. 1-18.

Research output: Contribution to journalArticle

Harvard

Pommé, S, Stroh, H, Paepen, J, Van Ammel, R, Marouli, H, Altzitzoglou, T, Hult, M, Kossert, K, Nähle, O, Schrader, H, Juget, F, Bailat, C, Nedjadi, Y, Bochud, F, Buchillier, T, Michotte, C, Courte, S, van Rooy, MW, van Staden, MJ, Lubbe, J, Simpson, BRS, Fazio, A, De Felice, P, Jackson, TW, Van Wyngaardt, WM, Reinhard, MI, Golya, J, Bourke, S, Roy, T, Galea, R, Keightley, JD, Ferreira, KM, Collins, SM, Ceccatelli, A, Verheyen, L, Bruggeman, M, Vodenik, B, Korun , M, Chisté, V & Amiot, MN 2016, 'On decay constants and orbital distance to the Sun—part I: alpha decay', Metrologia, vol. 54, no. 1, pp. 1-18. https://doi.org/10.1088/1681-7575/54/1/1

APA

Pommé, S., Stroh, H., Paepen, J., Van Ammel, R., Marouli, H., Altzitzoglou, T., ... Amiot, M. N. (2016). On decay constants and orbital distance to the Sun—part I: alpha decay. Metrologia, 54(1), 1-18. https://doi.org/10.1088/1681-7575/54/1/1

Vancouver

Pommé S, Stroh H, Paepen J, Van Ammel R, Marouli H, Altzitzoglou T et al. On decay constants and orbital distance to the Sun—part I: alpha decay. Metrologia. 2016 Nov 28;54(1):1-18. https://doi.org/10.1088/1681-7575/54/1/1

Author

Pommé, Stefaan ; Stroh, H ; Paepen, J ; Van Ammel, Raf ; Marouli, H ; Altzitzoglou, T ; Hult, M ; Kossert, K ; Nähle, O ; Schrader, H ; Juget, F ; Bailat, C ; Nedjadi, Y ; Bochud, F ; Buchillier, T ; Michotte, C ; Courte, S ; van Rooy, M W ; van Staden, M J ; Lubbe, J ; Simpson, B R S ; Fazio, A ; De Felice, P ; Jackson, T W ; Van Wyngaardt, W M ; Reinhard, M I ; Golya, J ; Bourke, S ; Roy, T ; Galea, R ; Keightley, J D ; Ferreira, K M ; Collins, S M ; Ceccatelli, A ; Verheyen, Leen ; Bruggeman, Michel ; Vodenik, Branko ; Korun , M ; Chisté, V ; Amiot, M N. / On decay constants and orbital distance to the Sun—part I: alpha decay. In: Metrologia. 2016 ; Vol. 54, No. 1. pp. 1-18.

Bibtex - Download

@article{a4963f4b6bc9498892faef5c56b8f1a2,
title = "On decay constants and orbital distance to the Sun—part I: alpha decay",
abstract = "Claims that proximity to the Sun causes variation of decay constants at permille level have been investigated for alpha decaying nuclides. Repeated decay rate measurements of 209Po, 226Ra, 228Th, 230U, and 241Am sources were performed over periods of 200 d up to two decades at various nuclear metrology institutes around the globe. Residuals from the exponential decay curves were inspected for annual oscillations. 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. The most stable activity measurements of α decaying sources set an upper limit between 0.0006{\%} and 0.006{\%} to the amplitude of annual oscillations in the decay rate. There are no apparent indications for systematic oscillations at a level of weeks or months. Oscillations in phase with Earth’s orbital distance to the sun could not be observed within 10−5–10−6 range precision.",
keywords = "Decay constants, Orbital distance, Sun, Alpha decay",
author = "Stefaan Pomm{\'e} and H Stroh and J Paepen and {Van Ammel}, Raf and H Marouli and T Altzitzoglou and M Hult and K Kossert and O N{\"a}hle and H Schrader and F Juget and C Bailat and Y Nedjadi and F Bochud and T Buchillier and C Michotte and S Courte and {van Rooy}, {M W} and {van Staden}, {M J} and J Lubbe and Simpson, {B R S} and A Fazio and {De Felice}, P and Jackson, {T W} and {Van Wyngaardt}, {W M} and Reinhard, {M I} and J Golya and S Bourke and T Roy and R Galea and Keightley, {J D} and Ferreira, {K M} and Collins, {S M} and A Ceccatelli and Leen Verheyen and Michel Bruggeman and Branko Vodenik and M Korun and V Chist{\'e} and Amiot, {M N}",
note = "Score=10",
year = "2016",
month = "11",
day = "28",
doi = "10.1088/1681-7575/54/1/1",
language = "English",
volume = "54",
pages = "1--18",
journal = "Metrologia",
issn = "0026-1394",
publisher = "IOP - IOP Publishing",
number = "1",

}

RIS - Download

TY - JOUR

T1 - On decay constants and orbital distance to the Sun—part I: alpha decay

AU - Pommé, Stefaan

AU - Stroh, H

AU - Paepen, J

AU - Van Ammel, Raf

AU - Marouli, H

AU - Altzitzoglou, T

AU - Hult, M

AU - Kossert, K

AU - Nähle, O

AU - Schrader, H

AU - Juget, F

AU - Bailat, C

AU - Nedjadi, Y

AU - Bochud, F

AU - Buchillier, T

AU - Michotte, C

AU - Courte, S

AU - van Rooy, M W

AU - van Staden, M J

AU - Lubbe, J

AU - Simpson, B R S

AU - Fazio, A

AU - De Felice, P

AU - Jackson, T W

AU - Van Wyngaardt, W M

AU - Reinhard, M I

AU - Golya, J

AU - Bourke, S

AU - Roy, T

AU - Galea, R

AU - Keightley, J D

AU - Ferreira, K M

AU - Collins, S M

AU - Ceccatelli, A

AU - Verheyen, Leen

AU - Bruggeman, Michel

AU - Vodenik, Branko

AU - Korun , M

AU - Chisté, V

AU - Amiot, M N

N1 - Score=10

PY - 2016/11/28

Y1 - 2016/11/28

N2 - Claims that proximity to the Sun causes variation of decay constants at permille level have been investigated for alpha decaying nuclides. Repeated decay rate measurements of 209Po, 226Ra, 228Th, 230U, and 241Am sources were performed over periods of 200 d up to two decades at various nuclear metrology institutes around the globe. Residuals from the exponential decay curves were inspected for annual oscillations. 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. The most stable activity measurements of α decaying sources set an upper limit between 0.0006% and 0.006% to the amplitude of annual oscillations in the decay rate. There are no apparent indications for systematic oscillations at a level of weeks or months. Oscillations in phase with Earth’s orbital distance to the sun could not be observed within 10−5–10−6 range precision.

AB - Claims that proximity to the Sun causes variation of decay constants at permille level have been investigated for alpha decaying nuclides. Repeated decay rate measurements of 209Po, 226Ra, 228Th, 230U, and 241Am sources were performed over periods of 200 d up to two decades at various nuclear metrology institutes around the globe. Residuals from the exponential decay curves were inspected for annual oscillations. 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. The most stable activity measurements of α decaying sources set an upper limit between 0.0006% and 0.006% to the amplitude of annual oscillations in the decay rate. There are no apparent indications for systematic oscillations at a level of weeks or months. Oscillations in phase with Earth’s orbital distance to the sun could not be observed within 10−5–10−6 range precision.

KW - Decay constants

KW - Orbital distance

KW - Sun

KW - Alpha decay

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/26407776

U2 - 10.1088/1681-7575/54/1/1

DO - 10.1088/1681-7575/54/1/1

M3 - Article

VL - 54

SP - 1

EP - 18

JO - Metrologia

JF - Metrologia

SN - 0026-1394

IS - 1

ER -

ID: 3132098