EPJ Web Conf.
Volume 239, 2020ND 2019: International Conference on Nuclear Data for Science and Technology
|Number of page(s)||4|
|Section||Nuclear Masses, Structure and Decay Data Measurements|
|Published online||30 September 2020|
Experimental study of 𝛽 spectra using Si detectors
1 CEA, LIST, Laboratoire National Henri Becquerel (LNE-LNHB), CEA-Saclay 91191, Gif/Yvette Cedex, France
2 Institut Pluridisciplinaire Hubert Curien, University of Strasbourg, CNRS-IN2P3-UMR 7178, 23 rue du Loess, BP 28, F-67037, Strasbourg Cedex 2, France
Published online: 30 September 2020
Several scientific users from different communities, such as nuclear medicine, ionizing radiation metrology, nuclear energy industries, and fundamental physics are seeking for a precise knowledge of beta spectra. Consequently, it is of great interest to investigate the spectral shape of beta decaying nuclei with best possible precision. In this work, we aim to investigate precisely β~ decays. For this purpose, we have developed a quasi 4π beta spectrometer based on Silicon detectors (PIPS®). The measurement system is characterized by conversion electron peaks of 109Cd and 207Bi and has been compared with Monte Carlo simulations using nuclear decay data. The preliminary measurements of 14C (allowed transition) and 36Cl (second forbidden non-unique transition) decays have been performed and compared with simulations using the PENELOPE Monte Carlo code.
© The Authors, published by EDP Sciences, 2020
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