Search for protons from the sup 2 H( d , p ) sup 3 H reaction in an electrolytic cell with Pd-Pt electrodes

The production of protons from the {sup 2}H({ital d},{ital p}){sup 3}H reaction was investigated using an electrolytic cell and a proportional counter. The cathode, consisting of a 30.5-mg/cm{sup 2}-thick Pd foil, separated the gas in the counter from the electrolyte (0.1{ital M} LiOD in D{sub 2}O)....

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Bibliographic Details
Published in:Physical review. C, Nuclear physics Nuclear physics, 1990-01, Vol.41:1
Main Authors: Rehm, K.E., Kutschera, W., Perlow, G.J.
Format: Article
Language:English
Subjects:
651220 - Nuclear Properties & Reactions, A=1-5, Experimental
BARYONS
CHARGED PARTICLES
CHARGED-PARTICLE REACTIONS
CURRENT DENSITY
DEUTERIUM TARGET
DEUTERON REACTIONS
DIRECT REACTIONS
ELECTRODES
ELECTROLYTIC CELLS
ELEMENTARY PARTICLES
ELEMENTS
FERMIONS
HADRONS
MEASURING INSTRUMENTS
METALS
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEAR REACTIONS
NUCLEONS
PALLADIUM
PARTICLE IDENTIFICATION
PLATINUM
PLATINUM METALS
PROPORTIONAL COUNTERS
PROTONS
RADIATION DETECTORS
STRIPPING
TARGETS
TRANSFER REACTIONS
TRANSITION ELEMENTS
TRITONS
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Summary:The production of protons from the {sup 2}H({ital d},{ital p}){sup 3}H reaction was investigated using an electrolytic cell and a proportional counter. The cathode, consisting of a 30.5-mg/cm{sup 2}-thick Pd foil, separated the gas in the counter from the electrolyte (0.1{ital M} LiOD in D{sub 2}O). The efficiency for proton detection was 28%. The electrolytic cell was operated with current densities up to 650 mA/cm{sup 2}. Several runs with the current switched on and off and with different Pd foils have been performed with the longest run lasting more than 10 days. No difference in the count rate was observed when the electrolytic cell was on or off. From the high-energy part of the particle spectrum we obtain an upper limit for the proton production from the fusion reaction {sup 2}H({ital d},{ital p}){sup 3}H of 4{times}10{sup {minus}23} fusion/({ital dd} pair/sec).
ISSN:0556-2813
1089-490X
DOI:10.1103/PhysRevC.41.45