Evidence against solar influence on nuclear decay constants
Stefaan Pommé,H. Stroh,J. Paepen,R. Van Ammel,M. Marouli,Timotheos Altzitzoglou,Mikael Hult,Karsten Kossert,Ole Nähle,H. Schrader,Frédéric Juget,Claude Bailat,Youcef Nedjadi,François Bochud,T. Buchillier,C Michotte,S Courte,M.W. van Rooy,M.J. van Staden,J. Lubbe,B.R.S. Simpson,Aldo Fazio,P. De Felice,T. W. Jackson,W.M. van Wyngaardt,M. I. Reinhard,J. Golya,S. Bourke,T. Roy,Raphael Galea,John Keightley,K.M. Ferreira,Sean Collins,A. Ceccatelli,Michael P. Unterweger,Ryan P. Fitzgerald,Denis E. Bergeron,Leticia S. Pibida,L. Verheyen,M. Bruggeman,Branko Vodenik,Matjaž Korun,V. Chisté,M.-N. Amiot +43 more
TLDR
There is no indication of a natural impediment against sub-permille accuracy in half-life determinations, renormalisation of activity to a distant reference date, application of nuclear dating for archaeology, geo- and cosmochronology, nor in establishing the SI unit becquerel and seeking international equivalence of activity standards.About:
This article is published in Physics Letters B.The article was published on 2016-10-10 and is currently open access. It has received 46 citations till now. The article focuses on the topics: Radioactive decay & Exponential decay.read more
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On decay constants and orbital distance to the Sun - Part I: Alpha decay
Stefaan Pommé,H. Stroh,J. Paepen,R. Van Ammel,M. Marouli,Timotheos Altzitzoglou,Mikael Hult,Karsten Kossert,Ole Nähle,H. Schrader,Frédéric Juget,Claude Bailat,Youcef Nedjadi,François Bochud,T. Buchillier,C Michotte,S Courte,M.W. van Rooy,M.J. van Staden,J. Lubbe,B.R.S. Simpson,Aldo Fazio,P. De Felice,T. W. Jackson,W.M. van Wyngaardt,M. I. Reinhard,J. Golya,S. Bourke,T. Roy,Raphael Galea,John Keightley,K.M. Ferreira,Sean Collins,A. Ceccatelli,L. Verheyen,M. Bruggeman,Branko Vodenik,Matjaž Korun,V. Chisté,M.-N. Amiot +39 more
TL;DR: The most stable activity measurements of alpha decaying sources set an upper limit between 0.0006% and 0.006% to the amplitude of annual oscillations in the decay rate.
Journal ArticleDOI
On decay constants and orbital distance to the Sun—part III: beta plus and electron capture decay
Stefaan Pommé,H. Stroh,J. Paepen,R. Van Ammel,M. Marouli,Timotheos Altzitzoglou,Mikael Hult,Karsten Kossert,Ole Nähle,H. Schrader,Frédéric Juget,Claude Bailat,Youcef Nedjadi,François Bochud,T. Buchillier,C Michotte,S Courte,M.W. van Rooy,M.J. van Staden,J. Lubbe,B.R.S. Simpson,Aldo Fazio,P. De Felice,T. W. Jackson,W.M. van Wyngaardt,M. I. Reinhard,J. Golya,S. Bourke,T. Roy,Raphael Galea,John Keightley,K.M. Ferreira,Sean Collins,A. Ceccatelli,L. Verheyen,M. Bruggeman,Branko Vodenik,Matjaž Korun,V. Chisté,M.-N. Amiot +39 more
TL;DR: The hypothesis that seasonal changes in proximity to the Sun cause variation of decay constants at permille level has been tested for radionuclides disintegrating through electron capture and beta plus decay as mentioned in this paper.
Journal ArticleDOI
Is decay constant
Stefaan Pommé,H. Stroh,Timotheos Altzitzoglou,J. Paepen,R. Van Ammel,Karsten Kossert,Ole Nähle,John Keightley,K.M. Ferreira,Leen Verheyen,Michel Bruggeman +10 more
TL;DR: This work contradicts the assertion that 'neutrino-induced' beta decay provides information about the deep solar interior, as 12 data sets of precise long-term decay rate measurements have been investigated for the presence of systematic modulations at frequencies between 0.08 and 20 year-1.
Journal ArticleDOI
On decay constants and orbital distance to the Sun - Part II: Beta minus decay
Stefaan Pommé,H. Stroh,J. Paepen,R. Van Ammel,M. Marouli,Timotheos Altzitzoglou,Mikael Hult,Karsten Kossert,Ole Nähle,H. Schrader,Frédéric Juget,Claude Bailat,Youcef Nedjadi,François Bochud,T. Buchillier,C Michotte,S Courte,M.W. van Rooy,M.J. van Staden,J. Lubbe,B.R.S. Simpson,Aldo Fazio,P. De Felice,T. W. Jackson,W.M. van Wyngaardt,M. I. Reinhard,J. Golya,S. Bourke,T. Roy,Raphael Galea,John Keightley,K.M. Ferreira,Sean Collins,A. Ceccatelli,L. Verheyen,M. Bruggeman,Branko Vodenik,Matjaž Korun,V. Chisté,M.-N. Amiot +39 more
TL;DR: The most stable activity measurements of beta-decaying sources set an upper limit of 0.003-0.007% to the amplitude of annual oscillations in the decay rate as mentioned in this paper.
Journal ArticleDOI
On the claim of modulations in radon decay and their association with solar rotation
TL;DR: In this article, it is argued that the GSI radon measurements are unsuited for studying the variability of decay constants, because the data are strongly influenced by environmental conditions, such as solar irradiance and rainfall.
References
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Journal ArticleDOI
Evidence of correlations between nuclear decay rates and Earth–Sun distance
Jere H. Jenkins,Ephraim Fischbach,J. B. Buncher,J. T. Gruenwald,Dennis E. Krause,Dennis E. Krause,J. J. Mattes +6 more
TL;DR: In this paper, the decay rates of 32 Si and 226 Ra have been investigated at Brookhaven National Laboratory (32 Si) and at the Physikalisch-Technische-Bundesanstalt in Germany (226 Ra).
Journal ArticleDOI
Time-Dependent Nuclear Decay Parameters: New Evidence for New Forces?
Ephraim Fischbach,J. B. Buncher,J. T. Gruenwald,Jere H. Jenkins,Dennis E. Krause,J. J. Mattes,J. R. Newport +6 more
TL;DR: The question of whether nuclear decay rates (or half-lives) are time-independent constants of nature, as opposed to being parameters which can be altered by an external perturbation has been discussed in this paper.
Journal ArticleDOI
Perturbation of nuclear decay rates during the solar flare of 2006 December 13
TL;DR: In this paper, the decay rate of 54 Mn was detected during the solar flare of 2006 December 13, whose X-rays were first recorded at 02:37 UT (21:37 EST on 2006 December 12).
Journal ArticleDOI
Evidence against correlations between nuclear decay rates and Earth–Sun distance
Eric B. Norman,Eric B. Norman,Eric B. Norman,Edgardo Browne,Howard A. Shugart,Tenzing H. Y. Joshi,Richard B. Firestone +6 more
TL;DR: In this article, the authors reexamined their previously published data to search for evidence of correlations between the rates for the alpha, beta-minus, beta plus, and electron capture decays of 22Na, 44Ti, 108Agm, 121Snm, 133Ba, and 241Am and the Earth?Sun distance.
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