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Title:
Additional evidence of nuclear emissions during acoustic cavitation
Authors:
Taleyarkhan, R. P.; Cho, J. S.; West, C. D.; Lahey, R. T.; Nigmatulin, R. I.; Block, R. C.
Affiliation:
AA(Purdue University, West Lafayette, Indiana 47907, USA), AB(Purdue University, West Lafayette, Indiana 47907, USA), AC(Purdue University, West Lafayette, Indiana 47907, USA), AD(Purdue University, West Lafayette, Indiana 47907, USA), AE(Purdue University, West Lafayette, Indiana 47907, USA), AF(Purdue University, West Lafayette, Indiana 47907, USA)
Publication:
Physical Review E, vol. 69, Issue 3, id. 036109 (PhRvE Homepage)
Publication Date:
03/2004
Origin:
APS
PACS Keywords:
Other topics in areas of applied and interdisciplinary physics
DOI:
10.1103/PhysRevE.69.036109
Bibliographic Code:
2004PhRvE..69c6109T

Abstract

Time spectra of neutron and sonoluminescence emissions were measured in cavitation experiments with chilled deuterated acetone. Statistically significant neutron and gamma ray emissions were measured with a calibrated liquid-scintillation detector, and sonoluminescence emissions were measured with a photomultiplier tube. The neutron and sonoluminescence emissions were found to be time correlated over the time of significant bubble cluster dynamics. The neutron emission energy was less than 2.5 MeV and the neutron emission rate was up to ˜4×105 n/s. Measurements of tritium production were also performed and these data implied a neutron emission rate due to D-D fusion which agreed with what was measured. In contrast, control experiments using normal acetone did not result in statistically significant tritium activity, or neutron or gamma ray emissions.
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