Any 63 minute half lives pop up? On Sat, Mar 5, 2016 at 11:52 AM, Bob Higgins <rj.bob.higg...@gmail.com> wrote:
> I stand corrected. It appears that 214Bi and 214Pb are gamma emitters in > the radon daughter chain. Most of the signatures are between 100keV and > 1MeV with a few above. > > > On Sat, Mar 5, 2016 at 9:29 AM, Jones Beene <jone...@pacbell.net> wrote: > >> Bob, >> >> >> >> All three radon isotopes have gamma decay channels in addition to alpha. >> The signatures are well known (around 6 MeV). >> >> >> >> Radon detection is a cottage industry in silicon valley >> >> >> >> >> >> *From:* Bob Higgins >> >> >> >> Jeff's setup may be more sensitive to radon than Alan's. The NaI >> detector that Alan used is only sensitive to gamma, and not beta. Radon >> decay chains are primarily alpha and beta emissions. With the foil wrapped >> around Jeff's GM detector, he probably does not have much alpha >> sensitivity, but he will still have beta sensitivity - which could come >> from radon. Beta and alpha sensitivity can be evaluated with check >> sources. If Jeff is in the same area as Alan, he could borrow Alan's check >> sources, but I am not sure if Alan has a beta source. A good 24 hour >> background collection would also be useful as a null test to look for radon >> caused variation. >> >> >> >> On Sat, Mar 5, 2016 at 8:35 AM, Jones Beene <jone...@pacbell.net> wrote: >> >> *From:* Jack Cole >> >> >> >> Ø Jeff Morriss has just published a nice study showing radiation >> of 7x background. >> >> >> https://www.lenr-forum.com/forum/index.php/Thread/2847-Celani-Type-Replication/ >> >> This is nice. Here is one comment to file away as a possible mundane >> explanation. >> >> Jeff Morriss is in the same general geographic area as Alan Goldwater, >> and is probably working in his garage. Radon gas is known to be high in >> Alan’s area, and probably in Jeff’s also -- and 7x background is fully >> explainable by radon, if it is there… as is the apparent half-life average. >> >> … but wait, you say, Jeff did calibrate against background before seeing >> the higher rate, and also the half-life of 222Rn is about 4 days, not >> one hour. >> >> Yes, but this calibration would not eliminate the source being Radon, >> since he is running a charged wire experiment - and when the experiment >> is turned on, it would attract radon to the wire and thus concentrate >> the signal. Plus a factor of 7 concentration is not unusual; plus the >> average of all three radon isotopes can be in the one hour half-life range. >> >> Therefore – the source of radiation could be radon. At least it has not >> yet been ruled out. >> >> One way to lessen radon is to move the experiment outside, or to an area >> of lower radon emission (assuming it is high at Jeff’s location). >> >> >> > >
