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2005 | 107 | 4 | 666-672
Article title

Low Energy Cross-Sections for Positron Interactions with Cyclic Hydrocarbons

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EN
Abstracts
EN
We report total cross-section measurements for positron scattering on cyclic hydrocarbons: benzene, aniline, and cyclohexane. Measurements were done by an absolute transition method in the energy range 1.5-20 eV (0.4-20 eV for cyclohexane). High cross-sections for all measured molecules were observed at low energies. In the case of cyclohexane the cross-section in the zero energy limit tends to a constant value. In aniline a weakly accented peak slightly above the positronium formation threshold is observed. Similar but less visible bump was observed in the case of benzene. Measurement of total cross-sections in nitrogen and argon used for calibration of the apparatus are also presented.
Keywords
EN
Year
Volume
107
Issue
4
Pages
666-672
Physical description
Dates
published
2005-04
received
2004-09-20
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv107n417kz
Identifiers
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