Possible theories of cold fusion

Fleischmann, M.; Pons, Stanley; Preparata, G.

doi:10.1007/bf02813078

Cited by 19 publications

(6 citation statements)

References 59 publications

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“…Another reaction, D + D → 3 He + n, is less probable [10]. The mechanism of fusion energy absorption by a crystalline structure and the reason of radically different branching ratio for D + D fusion in condensed media at low energies and in charge particle accelerators at high energies have been widely discussed in the literature (see, e.g., [10][11][12][13][14][15][16][17][18]) and will be treated by us separately.…”

Section: Experimental Results -Eight Series Of Experiments Have Been ...mentioning

confidence: 99%

Excess heat release during deuterium sorption-desorption by finely powdered palladium deuteride

Kirkinskii¹,

Drebushchak²,

Khmelnikov³

2002

Europhys. Lett.

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Thermal effects have been studied in the course of sorption-desorption of hydrogen isotopes by a finely powdered palladium deuteride using a differential scanning calorimeter DSC-111 SETARAM. During α-β transition an excess heat release is observed in palladium deuteride of about one watt per gram of deuteride. In similar experiments with palladium hydride no anomalous effects have been observed. On the basis of earlier computer modelling, relevant publications and our experimental results, the excess heat release during deuterium sorption-desorption by palladium deuteride is attributed to the fusion reactions of deuterium atoms yielding helium.

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Section: Experimental Results -Eight Series Of Experiments Have Been ...mentioning

confidence: 99%

Excess heat release during deuterium sorption-desorption by finely powdered palladium deuteride

Kirkinskii¹,

Drebushchak²,

Khmelnikov³

2002

Europhys. Lett.

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“…A confirmation of this occurrence has been proved analyzing the same samples by means of ICP-MS: the mass spectrometry tests performed on blank and samples before and after cavitation have confirmed a decrease around 14%. Simultaneously, an interesting detection of an increasing of non-radioactive nuclides (e.g., 59 Co, 7 Li, 9 Be, 11 B) has been detected ( Table 1).…”

Section: Resultsmentioning

confidence: 92%

“…All these procedures appear remarkable even if the theoretical bases are either not clear or not defined at all. The theories involved for justifying the radionuclide deactivation are different: the biquaternion quantum mechanics proposed by Conte [6], the Giuliano Preparata's hypothesis [7], the Infoton theory by Brillouin [8] and Dirac [9], the Widom and Larsen [10] implemented by Srivastava et al [11], the electronic density increase hypothesis [12], the nuclear lattice model by Dallacasa and Cook [13]. The common background for all these theories is the standard model of particle physics, under strict conditions and absolute observation both of the Minkowski space-time and of local Lorentz invariance.…”

Section: Introductionmentioning

confidence: 99%

The astonishing 63Ni radioactivity reduction in radioactive wastes by means of ultrasounds application

2019

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Nowadays, the radioactive wastes production is certainly one of the main issues along with their storage. The most interesting way to treat them would certainly be the radioactivity reduction. In this paper we show that the 63 Ni radioactivity reduction by ultrasounds is not a violation of the exponential decay law but can be explained by the Deformed Space-Time theory. The cavitation procedure under the DST conditions achieves a radioactivity decrease around 14% in 200 s. Comparing these results with the theoretical ones obtained by the decay law, we earn more than 20 years in the 63 Ni radioactivity decrease. For confirming the data, ICP-MS measurements were performed on cavitated and nocavitated samples: once again, the 14%-difference (with CV 5%) was obtained from the analyses of both samples. Even if the data are not definitive, the new idea is that a radioactive substance can be "normalized" by its transformation into a normal stable one without radiation emission overcoming the traditional approaches (dilution, inertization, radioactive transmutation with fast neutron irradiation) and avoiding the use of large deposits or big reactors. Our results may be considered as starting point to pave the way to new methods to treat useless harmful radioactive substances from nuclear or medicine industry.

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“…In 1994, Fleischmann, Pons and Giuliano Preparata published ''Possible Theories of Cold Fusion.'' 57 The review is about ''impossible theories,'' as well. The authors are boldly critical of some of the LENR theoretical speculations:…”

Section: Theory Summarymentioning

confidence: 99%

A new look at low-energy nuclear reaction research

Krivit

Marwan²

2009

J. Environ. Monit.

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This paper presents a new look at low-energy nuclear reaction research, a field that has developed from one of the most controversial subjects in science, "cold fusion." Early in the history of this controversy, beginning in 1989, a strong polarity existed; many scientists fiercely defended the claim of new physical effects as well as a new process in which like-charged atomic nuclei overcome the Coulomb barrier at normal temperatures and pressures. Many other scientists considered the entire collection of physical observations-along with the hypothesis of a "cold fusion"--entirely a mistake. Twenty years later, some people who had dismissed the field in its entirety are considering the validity of at least some of the reported experimental phenomena. As well, some researchers in the field are wondering whether the underlying phenomena may be not a fusion process but a neutron capture/absorption process. In 2002, a related tabletop form of thermonuclear fusion was discovered in the field of acoustic inertial confinement fusion. We briefly review some of this work, as well.

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Possible theories of cold fusion

Cited by 19 publications

References 59 publications

Excess heat release during deuterium sorption-desorption by finely powdered palladium deuteride

Excess heat release during deuterium sorption-desorption by finely powdered palladium deuteride

The astonishing 63Ni radioactivity reduction in radioactive wastes by means of ultrasounds application

A new look at low-energy nuclear reaction research

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