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β-particle energy-summing correction for β-delayed proton emission measurements

Abstract : A common approach to studying β-delayed proton emission is to measure the energy of the emitted proton and corresponding nuclear recoil in a double-sided silicon-strip detector (DSSD) after implanting the β-delayed proton-emitting (βp) nucleus. However, in order to extract the proton-decay energy, the measured energy must be corrected for the additional energy implanted in the DSSD by the β-particle emitted from the βp nucleus, an effect referred to here as β-summing. We present an approach to determine an accurate correction for β-summing. Our method relies on the determination of the mean implantation depth of the βp nucleus within the DSSD by analyzing the shape of the total (proton + recoil + β) decay energy distribution shape. We validate this approach with other mean implantation depth measurement techniques that take advantage of energy deposition within DSSDs upstream and downstream of the implantation DSSD.
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Contributor : Michel Lion <>
Submitted on : Monday, November 14, 2016 - 1:43:37 PM
Last modification on : Thursday, February 1, 2018 - 1:35:38 AM

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Z. Meisel, M. del Santo, H.L. Crawford, R.H. Cyburt, G.F. Grinyer, et al.. β-particle energy-summing correction for β-delayed proton emission measurements. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2017, 844, pp.45-52. ⟨10.1016/j.nima.2016.11.019⟩. ⟨in2p3-01396385⟩



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