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Abstract Details

Bridging the Gap between Faraday Cup and Ion Counting Measurements – A Faraday Detector with the Equivalent Noise Performance of a 1014 Ω Resistor Amplifier

Yardley S, Volkovoy V, Hockley M, Tootell D & Palacz Z

Yardley S, Volkovoy V, Hockley M, Tootell D & Palacz Z (2020) Goldschmidt Abstracts, 2020 3022

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06n: Room 2, View in program

Shaun Yardley
Vadim Volkovoy
Matt Hockley
Damian Tootell
Zenon Palacz

Listed below are questions that have been submitted by the community that the author will try and cover in their presentation. To submit a question, ensure you are signed in to the website. Authors or session conveners approve questions before they are displayed here.

Submitted by Yuri Amelin on
Great development. If I understand correctly, your current system includes one Faraday cup behind the focal plane that is connected with Zeptona electrometer. What is the prospect of building a system with several such electrometers? Do you expect that the mechanism of cup movement would be the dominant source of noise for such a system? Would it be advantageous to put it in a mass spectrometer with fixed cups and variable dispersion (zoom lens)?


Submitted by Bryant Ware on
Very fascinating how technology is advancing. Would this be something where gains are seen most specifically in the U-Pb system or would this be widely obtained when other isotope systems are measured?


Submitted by Hauke Vollstaedt on
Shaun, could you comment on the temperature and temperature stability of the Atona/Zeptona detector housing? What is the requirement for getting stable baselines, gains and measurement precision?


Submitted by Charles Magee on
Do you have linearity issues when charged up to high voltages due to changes in ghost capacitance and or electrostatic flexure in components?


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