Hot deuteron generation and charged particle emissions on excitation of deuterium subsystem in metal deuterides

Andrei Lipson, Ivan Chernov, Alexei Roussetski, Yuri Cherdantsev, Aslan Tsivadze, Boris Lyakhov, Eugeny Saunin, Michael Melich

Research output: Contribution to journalArticle

Abstract

Statistically significant emissions of DD-reaction products, 3 MeV protons and high-energy alpha particles (11-20 MeV) were observed in specially prepared Pd/PdO:Dx and TiDx targets in vacuum, stimulated by electron beam (J ∼ 0.6 mA/cm2, U = 30 keV). These charge particles' energies and identities were determined using a set of CR-39 detectors covered with various metal foils. In contrast, the Pd/PdO:D x and the TiDx samples show no sign of nuclear emissions in vacuum without e-beam stimulation. Extrapolation of both DD-reaction cross section and the enhancement factor (consistent with a calculated screening potential Ue = 750 eV) to very low deuteron energy satisfactorily describes the detected DD-reaction yield in Pd/PdO:Dx targets, under the assumption of hot deuteron (<Ed> ∼ 3.0 eV) generation under e-beam bombardment. This result strongly supports the theoretical prediction (1, 2) for electron excitation of the D-subsystem in Pd-deuterides.

Original languageEnglish
Pages (from-to)95-117
Number of pages23
JournalACS Symposium Series
Volume1029
DOIs
Publication statusPublished - 20 Dec 2009

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Deuterium
Charged particles
Metals
Vacuum
Alpha particles
Reaction products
Extrapolation
Metal foil
Protons
Electron beams
Screening
Detectors
Electrons
CR 39

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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Hot deuteron generation and charged particle emissions on excitation of deuterium subsystem in metal deuterides. / Lipson, Andrei; Chernov, Ivan; Roussetski, Alexei; Cherdantsev, Yuri; Tsivadze, Aslan; Lyakhov, Boris; Saunin, Eugeny; Melich, Michael.

In: ACS Symposium Series, Vol. 1029, 20.12.2009, p. 95-117.

Research output: Contribution to journalArticle

Lipson, A, Chernov, I, Roussetski, A, Cherdantsev, Y, Tsivadze, A, Lyakhov, B, Saunin, E & Melich, M 2009, 'Hot deuteron generation and charged particle emissions on excitation of deuterium subsystem in metal deuterides', ACS Symposium Series, vol. 1029, pp. 95-117. https://doi.org/10.1021/bk-2009-1029.ch006
Lipson, Andrei ; Chernov, Ivan ; Roussetski, Alexei ; Cherdantsev, Yuri ; Tsivadze, Aslan ; Lyakhov, Boris ; Saunin, Eugeny ; Melich, Michael. / Hot deuteron generation and charged particle emissions on excitation of deuterium subsystem in metal deuterides. In: ACS Symposium Series. 2009 ; Vol. 1029. pp. 95-117.
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AU - Cherdantsev, Yuri

AU - Tsivadze, Aslan

AU - Lyakhov, Boris

AU - Saunin, Eugeny

AU - Melich, Michael

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