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@MISC{Leckenby:353552,
author = {Leckenby, Guy and Sidhu, Ragandeep Singh and Chen, Rui Jiu
and Bai, Mei and Blaum, Klaus and Brandau, Carsten and
Dickel, Timo and Dillmann, Iris and Dmytriiev, Dmytro and
Faestermann, Thomas and Forstner, Oliver and Franczak,
Bernhard and Giessel, Hans and Gernhäuser, Roman and
Glorius, Jan and Griffin, Chris and Gumberidze, Alexandre
and Haettner, Emma and Hillenbrand, Pierre-Michel and
Korten, Wolfram and Kozhuharov, Christophor and Kuzminchuk,
Natalia and Langanke, Karlheinz and Litvinov, Sergey and
Litvinov, Yuri A. and Menz, Esther Babette and Morgenroth,
Tino and Nociforo, Chiara and Petridis, Nikolaos and Popp,
Ulrich and Purushothaman, Sivaji and Reifarth, Rene and
Sanjari, Shahab and Scheidenberger, Christoph and Spillmann,
Uwe and Steck, Markus and Stöhlker, Thomas and Tanaka,
Yoshiki and Trotsenko, Sergiy and Varga, Laszlo and Wang,
Meng and Weick, Helmut and Yamaguchi, Takayuki and Zhang,
Yuhu and Zhao, Jianwei},
title = {{M}easurement of the bound-state beta decay of
205{T}l(81+): intermediate and result data},
reportid = {GSI-2024-00935},
year = {2024},
note = {License: CC-BY 4.0},
abstract = {The data presented here is the intermediate and result data
from the measurement of the bound-state beta decay of
205Tl(81+), experiment G-20-0E121, which was performed at
the Experimental Storage Ring (ESR) at the GSI
Helmholtzzentrum für Schwerionenforschung, Darmstadt
(Germany) in the frame of FAIR Phase-0. The experimental
measurement was done from the 26th March 2020 to 6th April
2020. Intermediate Data: During the experiment, the ESR
monitored the beam via three main detectors: the
non-destructive 245 MHz Schottky resonator, the DC Current
Transformer (DCCT), and a Multi-Wire Proportional Chamber
(MWPC). In particular: Schottky data: the integrated
Schottky noise power density for the 205Tl(81+) peak and the
205Pb(82+) peak is provided for each storage measurement.
The full Schottky spectrum can be made available on request.
As described in the related works below, the Schottky data
became saturated above a certain threshold due to a
mismatched amplifier in the NTCAP DAQ. This results in
non-exponential decay of Schottky peaks for high
intensities. DCCT data: the entire beam current in the ring
was monitored using the DCCT. The DCCT was recorded using a
scalar counter and thus has a non-zero offset value, which
we determined to be 28.199 µA from a period with no beam.
The DCCT is intended to be used as a diagnostic tool, and is
not as precise as other, purpose-built detectors. MWPC data:
for most storage measurements, a MWPC detector was placed
downstream of the gas target on the outside of the ring to
detect electron recombination products. The provided data is
the detection rate on the anode. The gas target density, as
recorder by a scaler counter, is also included. The
intermediate data on all three of these detectors plus the
gas target density is provided in the tar.gz repository,
with individual ROOT files for each storage time. The ROOT
files have the naming format 'Storage $time_MMDD_HH.root'.$
Each file contains 5 TGraph objects. Result Data: The result
data provides all the necessary individual measurement and
correction values to extract a bound-state beta-decay rate
from the corrected ratios. It is provided in two forms:
$BSBD_205Tl-result_data.ods$ is an ODS table for easy
visualisation. $BSBD_205Tl-final_vals.txt$ is a text file
used by the Monte Carlo analysis script provided in [DOI
10.5281/zenodo.11560338](https://doi.org/10.5281/zenodo.11560338).
The 'Ratio' column is the corrected 205Pb/205Tl decay ratio
for each storage, following Equation (1) of Leckenby et al.
(2024) Nature, ..... 1 sigma error bars, both including and
not-including the estimated contamination variation, are
provided. Please refer to the related works below or contact
the authors for more details.},
cin = {ATP},
cid = {I:(DE-Ds200)ATP-20051214OR020},
pnm = {631 - Matter – Dynamics, Mechanisms and Control
(POF4-631) / ASTRUm - Astrophysics with Stored Highy Charged
Radionuclides (682841) / DFG project G:(GEPRIS)390783311 -
EXC 2094: ORIGINS: Vom Ursprung des Universums bis zu den
ersten Bausteinen des Lebens (390783311)},
pid = {G:(DE-HGF)POF4-631 / G:(EU-Grant)682841 /
G:(GEPRIS)390783311},
experiment = {EXP:(DE-Ds200)E121-20200803},
typ = {PUB:(DE-HGF)32},
doi = {10.5281/ZENODO.11556665},
url = {https://repository.gsi.de/record/353552},
}
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