That is a good question, but it is clear that Rossi has risked everything on this detail. The way his patent is worded, it is worthless for anything else.
As mentioned in a previous thread, Ni-62 is a singularity in being the isotope with the highest binding energy per nucleon of all known nuclides (~8.8 MeV) ... and yet here it is being identified as the active isotope for the anomalous energy Rossi claims to have found. http://www.mail-archive.com/[email protected]/msg79073.html If one believes Rossi - there are a number of ways to look at why the high binding energy makes it special for gain, which is the opposite of the logic. I have some further ideas on this which may be posted soon. _____________________________________________ From: Arnaud Jones, Ok, I understood. But then what makes the Ni62 special in this case? Arnaud _____________________________________________ Yes - that is why I tried to make it clear that a VN or virtual neutron reaction is not the same as a beta decay (following a real neutron absorption, which has a half-life). The analogy is being used to assess the net energy available. It is hard to make this kind of distinction crystal clear in a forum post, since the VN reaction can mean different things to different observers and formerly was tied to an interpretation of CQM theory. Robin has promoted this particular mechanism for some time, based on the Mills hydrino at deep redundancy - being a good VN candidate. There are other candidates including KGS (as a replacement for DDL). The mechanics of a VN exchange go something like this. A proton with a very tightly bound electron looks like a neutron to a Nickel-62 nucleus. It is effectively neutral but with a negative near-field which is a bonus for the reaction. When this VN nears the larger nucleus however, the bond to the electron is broken, but since the electron has effectively shielded the charge of the proton, for long enough for the strong force of the Ni to see it, we have a different kind of reaction than if it were a real neutron. Thus the Ni-62 takes the proton only, and the electron is expelled as if it was an instantaneous beta decay. There is no half life with a VN reaction. It is instantaneous and looks like a proton absorption. Never mind that there are not many "believers" in this reaction ... at least not yet. _____________________________________________ From: Arnaud Kodeck Jones, It's very interesting theory. Nevertheless, in the web page you mention here below, it says that Ni63 has a half life of around 100 years (a century). I don't think Rossi's device can stay on for that long time. Arnaud _____________________________________________ From: Jones Beene Let me add that Robin has been suggesting something akin to this for some time, based on Mills instead of the KGS (Klein Gordon state) or DDL and it could be that any deeply redundant state will suffice. One detail that reinforces the notion that the Rossi reaction, if it is real and based on Ni-62 as the only active species (big "if"), as stated in his patent application ... goes direct to Cu-63 via virtual-neutron (proton addition) is this. Focardi, who probably contributed heavily to the Rossi hypothesis, had no doubt noticed that in the isotope tables Ni-63 is unstable, and has a short half-life AND because it comes from the most stable isotope in the periodic table - has a beta decay energy which is tiny - only 17.4 keV on average with no gamma. See it near the bottom of this table: http://homepages.cae.wisc.edu/~blanchar/purebeta.htm First off, notice in the table above that there are not many pure beta emitters, meaning that there is NEVER a gamma, and fewer yet with low average energy below 20 keV and fewer yet from common electrode metals. There are only 4-5 good candidates for LENR in this table. NB This post is not suggesting that an actual beta decay takes place, only a virtual neutron reaction which is instantaneous and looks like a betas decay except that the half-life becomes moot. Thus, we only look at the comparative beta decay energy to get a read on what can, or cannot, be easily hidden in a reaction that has minimal shielding. IOW - we want to find candidates with NO gamma and low bremsstrahlung. There are few. The tiny beta decay energy would be necessary to explain how the reaction could be robust, compared to chemical, and yet show little external photon radiation. The Ni-62 -> Cu-63 reaction via a VN "virtual neutron" instead of a beta decay following a neutron absorption, would still have about 20,000 times more energy than chemical. Notice also in this table that another good candidate electrode material for a gamma-less hidden VN reaction based on known beta decay - is palladium-107 ! I would add also that a RPF reaction - reversible proton fusion, could operate only to provide a KGS species - which is a proton bound by an electron at ~5 keV which in this case makes it a "virtual neutron" Yes - this makes things complicated. Very anti-Ockham. So be it. _____________________________________________ Again - if it is a reality, a deep fractional state, even if not deriving from Dirac (if you believe Kim) could be an interesting candidate for the hypothetical "virtual neutron" ... which would be needed to make some of these Ni-H hypotheses work. If you want to go from Ni-62 which is Rossi's pick of the litter, directly to Cu-63 (and not Cu-62!) then the DDL or KGS "virtual neutron" could do this elegantly, using the close electron for screening. If Rossi is correct that Ni-62 is indeed the active species, then the virtual neutron makes the most sense of anything out there; even if AR himself missed the critical detail of going direct to Cu-63 instead of Cu-62.
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