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Digitisation of the GABRIELA Time-of-Flight

Abstract : The resolution of a time-of-flight measurement of alpha particles using two Micro-Channel Plates (MCP) in a completely digital electronics chain compares favourably to the classic analogue approach [1] : σ(DIGITAL) = 0.48(4) ns cf σ(ANALOGUE) = 0.88(1) ns. However, a dependence on alpha particle energy on the resolution needs further investigation. Additional measurements using one foil and the DSSD (Double-sided Silicon Strip Detector) will be performed when a shorter cable between the detector and preamplifier (implying less stray capacitance and thus faster DSSD signal rise-time) is made. However, we can already state that the preliminary (not optimised) results using a long signal cable are promising with σ(MCP−DSSD) < 1.4(1) ns. 1 since these tests were performed the TAC module has been replaced and the MCP preamplifiers upgraded
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Contributor : Karl Hauschild <>
Submitted on : Wednesday, November 11, 2020 - 10:57:39 PM
Last modification on : Thursday, July 1, 2021 - 4:42:19 PM
Long-term archiving on: : Friday, February 12, 2021 - 6:55:36 PM


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  • HAL Id : in2p3-03000512, version 1


Karl Hauschild. Digitisation of the GABRIELA Time-of-Flight. [Research Report] IJCLab. 2017. ⟨in2p3-03000512⟩



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