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Observation of cold nuclear fusion in condensed matter


When a current is passed through palladium or titanium electrodes immersed in an electrolyte of deuterated water and various metal salts, a small but significant flux of neutrons is detected. Fusion of deuterons within the metal lattice may be the explanation.


  1. 1

    Van Siclen, C. D. & Jones, S. E. J. Phys. G. 12, 213–221 (1986).

    ADS  CAS  Article  Google Scholar 

  2. 2

    Jones, S. E. Nature 321, 127–133 (1986).

    ADS  CAS  Article  Google Scholar 

  3. 3

    Rafelski, J. & Jones, S. E. Scient. Am. 257, 84–89 (July 1987).

    Article  Google Scholar 

  4. 4

    Craig, H., Lupton, J. E., Welhan, J. A. & Poreda, R. Geophys. Res. Lett. 5, 897–900 (1978).

    ADS  CAS  Article  Google Scholar 

  5. 5

    Lupton, J. E. & Craig, H. Science 214, 13–18 (1981).

    ADS  CAS  Article  Google Scholar 

  6. 6

    Mamyrin, B. A. & Tolstikhin, L. N. Helium Isotopes in Nature (Elsevier, Amsterdam, 1984).

    Google Scholar 

  7. 7

    Craig, H. & Lupton, J. E. in The Sea Vol. 7 (ed. Emiliani, C.) Ch. 11 (Wiley, New York, 1981).

    Google Scholar 

  8. 8

    Mamyrin, B. A., Khabarin, L. V. & Yudenich, V. S. Soviet Phys. Dokl. 23, 581–583 (1978).

    ADS  Google Scholar 

  9. 9

    Jensen, G. L., Dixon, D. R., Bruening, K. & Czirr, J. B. Nucl. Instrum. Meth. 220, 406–408 (1984).

    CAS  Article  Google Scholar 

  10. 10

    Hess, W. N., Patterson, H. W. & Wallace, R. Phys. Rev. 116, 445–457 (1959).

    ADS  Article  Google Scholar 

  11. 11

    MCNP: Monte Carlo Neutron and Photon Transport Code, CCC-200 (Version 3) (Radiation Shielding Information Center, Oak Ridge Natn. Lab., 1983).

  12. 12

    Bowman, R. C. Jr in Metal Hydrides (ed. Bambakides, G.) 109–144 (Plenum, New York, 1981).

    Google Scholar 

  13. 13

    Jones, S. E. et al. Phys. Rev. Lett. 51, 1757–1760 (1983).

    ADS  CAS  Article  Google Scholar 

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Jones, S., Palmer, E., Czirr, J. et al. Observation of cold nuclear fusion in condensed matter. Nature 338, 737–740 (1989).

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