Thanks. I'll pass this on. Harry
----- Original Message ---- > From: Mauro Lacy <ma...@lacy.com.ar> > To: vortex-l@eskimo.com > Cc: Harry Veeder <hlvee...@yahoo.com> > Sent: Tue, September 7, 2010 6:27:40 AM > Subject: Re: [Vo]:The strange case of solar flares and radioactive elements > > Hi, > The results of both papers are addressed, to a certain extent, in > "Power Spectrum Analyses of Nuclear Decay Rates" > http://arxiv.org/abs/1007.0924 > > Mauro > > On 09/06/2010 02:31 PM, Harry Veeder wrote: > > Here are two papers which find no evidence of periodic fluctuations in > > decay > > > rates. Both have been published in journals since being uploaded > > > > to arxiv.org > > Harry > > > > http://arxiv.org/abs/0809.4248 > > > > Searching for modifications to the exponential radioactive > > decay law with the Cassini spacecraft > > Authors: Peter S. Cooper > > (Submitted on 24 Sep 2008) > > > > Abstract: Data from the power output of the radioisotope thermoelectric > > generators aboard the Cassini spacecraft are used to test the conjecture >that > > > small deviations observed in terrestrial measurements of the exponential > > radioactive decay law are correlated with the Earth-Sun distance. No >significant > > > deviations from exponential decay are observed over a range of 0.7 - 1.6 >A.U. A > > > 90% Cl upper limit of 0.84 x 10^-4 is set on a term in the decay rate of >Pu-238 > > > proportional to 1/R^2 and 0.99 x 10^-4 for a term proportional to 1/R. > > > > > > > > http://arxiv.org/abs/0810.3265 > > > > Evidence against correlations between nuclear decay rates and Earth-Sun > > distance Authors: Eric B. Norman, Edgardo Browne, Howard A. Shugart, > > Tenzing >H. > > > Joshi, Richard B. Firestone > > (Submitted on 17 Oct 2008) > > > > Abstract: We have reexamined our 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. We find no evidence for such correlations and set >limits > > > on the possible amplitudes of such correlations substantially smaller than >those > > > observed in previous experiments. > > > > > > > > > > > >
