Observation of tritium in gas/plasma loaded titanium samples
作者:
M. Srinivasan,
A. Shyam,
T. C. Kaushik,
R. K. Rout,
L. V. Kulkarni,
M. S. Krishnan,
S. K. Malhotra,
V. G. Nagvenkar,
P. K. Iyengar,
期刊:
AIP Conference Proceedings
(AIP Available online 1991)
卷期:
Volume 228,
issue 1
页码: 514-534
ISSN:0094-243X
年代: 1991
DOI:10.1063/1.40672
出版商: AIP
数据来源: AIP
摘要:
The observation of significant neutron yield from gas loaded titanium samples at Frascati in April 1989 opened up an alternate pathway to the investigation of anomalous nuclear phenomena in deuterium/solid systems, complimenting the electrolytic approach. Since then at least six different groups have successfully measured burst neutron emission from deuterated titanium shavings following the Frascati methodology, the special feature of which was the use of liquid nitrogen to create repeated thermal cycles resulting in the production of non‐equilibrium conditions in the deuterated samples. At Trombay several variations of the gas loading procedure have been investigated including induction heating of single machined titanium targets in a glass chamber as well as use of a plasma focus device for deuteriding its central titanium electrode. Stemming from earlier observations both at BARC and elsewhere that tritium yield is &bartil;108times higher than neutron output in cold fusion experiments, we have channelised our efforts to the search for tritium rather than neutrons. The presence of tritium in a variety gas/plasma loaded titanium samples has been established successfully through a direct measurement of the radiations emitted as a result of tritium decay, in contradistinction to other groups who have looked for tritium in the extracted gases. In some samples we have thus observed tritium levels of over 10 MBq with a corresponding (t/d) ratio of ≳10−5.
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