A trap-based positron beamline for the study of materials

J. P. Sullivan; J. Roberts; R. W. Weed; M. R. Went; D. S. Newman; S. J. Buckman

doi:10.1088/0957-0233/21/8/085702

A trap-based positron beamline for the study of materials

J. P. Sullivan, J. Roberts, R. W. Weed, M. R. Went, D. S. Newman, S. J. Buckman

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Abstract

We present the design of a new positron beamline for lifetime and Doppler studies of materials. The design is based on the Surko buffer gas trap system and is capable of producing sub-nanosecond pulses with a spot size at the sample of 10 mm. The present timing resolution of ≈800 ps allows lifetimes as small as 500 ps to be resolved. Typically count rates are between 100 and 150 counts per second.

Original language	English
Article number	085702
Journal	Measurement Science and Technology
Volume	21
Issue number	8
DOIs	https://doi.org/10.1088/0957-0233/21/8/085702
Publication status	Published - Aug 2010

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AU - Newman, D. S.

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KW - Positron annihilation lifetime spectroscopy

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KW - Slow positron techniques

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A trap-based positron beamline for the study of materials

Abstract

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