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Effect of N,N-Dimethyltryptamine and D-Lysergic Acid Diethylamide on the Release of 5-Hydroxyindoles in Rat Forebrain

Mirjana Randić, Ante L. Padjen

Nature April 1, 1971 DOI: 10.1038/230532a0 via OpenAlex

Summary

AI-generated from the abstract

Thin titanium films bombarded with low-energy deuterium ions produce hydrogen isotopes with 5 MeV energy at a rate of 10^-16 events per deuteron pair per second, suggesting nuclear reactions can occur at ambient temperatures in deuterium-charged metals. A silicon particle detector placed behind the film detected the charged particles. The method allows rapid deuterium charging of any material, high detection efficiency, low background, and measurement of particle energy and type. Titanium was used because it retains more hydrogen near room temperature than palladium and because prior work had shown neutron emission from titanium.

Study at a glance

Characteristics Experimental study Peer reviewed
Population Thin titanium films
Dose 350 eV deuterium ions at 0.2-0.4 mA/cm²
Topics LSD Serotonin
Keywords Forebrain Stimulation Pharmacology
Citations 27
Key finding Deuterium ion bombardment of titanium films at ambient temperature produces 5 MeV hydrogen isotopes at a rate of 10^-16 events per deuteron pair per second.

Abstract

Thin titanium films have been bombarded with low energy (350 eV) deuterium ions at high current density (0.2-0.4 mA.cm2) to investigate the reported occurrence of nuclear reactions at ambient temperatures in deuterium charged metals. A silicon charged particle detector was used to search for charged particles produced by such reactions. Evidence is reported for the detection of hydrogen isotopes with 5 MeV energy at a rate of 10-16 events/deuteron pair/s. Low energy deuterium (350 eV) ions produced by an ECR microwave source impinge normally on a thin metal film in vacuum, while a Si particle detector placed directly behind the film detects particle emission. The advantages of this method are rapid and efficient deuterium charging of any material (including insulators), high particle detection efficiency and sensitivity (low background), and the ability to measure the particle energy and determine the particle type. Titanium was chosen as the target because previous work by Jones had shown neutron emission and because Ti retains more hydrogen near room temperature than does PD.

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