A new type of radio frequency (RF) timing technique is presented. It is based on a helical deflector, which performs circular or elliptical sweeps of photo- or secondary electrons, accelerated to keV energies, by means of RF fields in the 500–1000 MHz range. By converting a time distribution of the electrons to a hit position distribution on a circle or ellipse, this device achieves extremely precise timing, similar to streak cameras. Detection of the scanned electrons, using a position sensitive detector based on microchannel plates and a delay line anode, resulted in a timing resolution of 10 ps, which can be potentially improved to 1 ps. RF-Timer-based single photon and heavy ion detectors have potential applications in different fields of science and industry, which include high energy nuclear physics and imaging technologies. This technique could play a crucial role in developing of sub 10 ps Time-of-Flight Positron Emission Tomography.
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Abstract Free, publicly-accessible full text available February 1, 2025 -
Sulkosky, V. ; Singh, J.T. ; Peng, C. ; Chen, J.-P. ; Deur, A. ; Abrahamyan, S. ; Aniol, K.A. ; Armstrong, D.S. ; Averett, T. ; Bailey, S.L. ; et al ( , Physics Letters B)
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Abrahamyan, S. ; Ahmed, Z. ; Allada, K. ; Anez, D. ; Averett, T. ; Barbieri, A. ; Bartlett, K. ; Beacham, J. ; Bono, J. ; Boyce, J. R. ; et al ( , Physical Review Letters)
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Abrahamyan, S. ; Ahmed, Z. ; Albataineh, H. ; Aniol, K. ; Armstrong, D. S. ; Armstrong, W. ; Averett, T. ; Babineau, B. ; Barbieri, A. ; Bellini, V. ; et al ( , Physical Review Letters)
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Abrahamyan, S. ; Acha, A. ; Afanasev, A. ; Ahmed, Z. ; Albataineh, H. ; Aniol, K. ; Armstrong, D. S. ; Armstrong, W. ; Arrington, J. ; Averett, T. ; et al ( , Physical Review Letters)