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@MISC{Leckenby:353553,
author = {Leckenby, Guy and Sidhu, Ragandeep Singh and Chen, Rui Jiu
and Szányi, Balázs and Dillmann, Iris and Gernhäuser,
Roman and Glorius, Jan and Griffin, Chris and Litvinov, Yuri
A. and Lugaro, Maria and Sanjari, Shahab and Yagüe Lopéz,
Andrés},
title = {{M}easurement of the bound-state beta decay of
205{T}l(81+): analysis scripts and figures; 1.0},
reportid = {GSI-2024-00936},
year = {2024},
note = {GNU General Public License v3.0 or later},
abstract = {The scripts presented here are Monte Carlo half-life
analysis for the measurement of the bound-state beta decay
of 205Tl(81+), experiment G-20-0E121, that 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, whilst the analysis was developed over the course of
2020--2023. In addition, scripts for creating the figures
for application to 205Pb in the early Solar System, namely
the publication Leckenby et al. (2024) Nature... are also
provided. The data used by these scripts is provided in the
data release: DOI 10.5281/zenodo.11556665. Monte Carlo
Half-life AnalysisThe Monte Carlo half-life analysis is
provided in the Mathematica notebook
$'final_halflife_MC-s6_clsd.nb'$ (a static PDF copy is
provided for those without access to a Mathematica kernel).
This notebook requires the input data file
$'BSBD_205Tl-finals_vals.txt'$ from the data release and a
supplementary input file $'SC_MC_vals.txt'$ provided here,
both of which should be in the same directory as the
notebook. The supplementary input file $'SC_MC_vals.txt'$
contains Monte Carlo sampled values for the Saturation
Correction parameter, which was not automated due to
formatting complexities. The notebook contains 4 sections:1.
Monte Carlo Error Analysis - this section runs the main
Monte Carlo analysis and produces an N-dimensional array of
best fit parameters for both λβb and R0.2. Analyse Results
- this section produces helpful plots and does the half-life
calculation correctly.3. Missing Exp Uncertainty - this
section estiamtes the contamination variation from the
observed missing stochastic uncertainty in the chi
squared.4. Uncertainty Components - this section records the
results of MC runs that isolated specific sources of
uncertainties and evaluates the fractional contribution to
the final uncertainty. 205Pb in the early Solar System
FiguresThe code used to create the figures for the
publication Leckenby et al. (2024) Nature... are provided in
the Mathematica notebook $`isolation_time_figures.nb'$
(again, a static PDF copy is provided). This notebook
requires the input files
$`mcHist-box_1e8_1e10-gamma_X-tau_Y.dat'$ files, which are
found in the $`SLR_abund_MC_hists.tar.gz'$ repository. These
files encode the Monte Carlo results described in Côté et
al. (2019) ApJ 887(2):213 to simulate the stochastic
variation of the radioactive abundance in the interstellar
medium. Kernel densities are used to describe Monte Carlo
distributions to create smooth probability distribution
functions.},
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)33},
doi = {10.5281/ZENODO.11560338},
url = {https://repository.gsi.de/record/353553},
}