add r15a_xray paper

r15a_xray/.gitignore

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+*.bak
+*.sav

r15a_xray/Makefile

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+DOC=xray
+INPUT=$(DOC).tex
+TARGET=$(DOC).pdf
+TEX=pdflatex -shell-escape
+BIB=bibtex
+
+default: $(TARGET)
+
+$(TARGET): $(INPUT) Makefile tex/*.tex
+	$(TEX) $< && $(BIB) $(DOC) && $(TEX) $< && $(TEX) $<
+
+clean:
+	rm -f $(DOC).{pdf,out,aux,log}
+	rm -f *.{pdf,out,aux,log,bbl,blg}

r15a_xray/tex/abstract.tex

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+\begin{abstract}
+  Abstract
+\end{abstract}

r15a_xray/tex/analysis.tex

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+\section{Data analysis}
+

r15a_xray/tex/intro.tex

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+\section{Introduction}
+Why are we even doing this measurement? Here is a very thorough study~\cite{Zinatulina2019}

r15a_xray/tex/results.tex

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+\section{Results and discussions}
+

r15a_xray/tex/setup.tex

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+\section{Experimental setup}
+\label{sec:experimental_set_up}
+This measurement is part of the AlCap experiment done at PSI, Switzerland.
+The 2015 summer run focused on the detection of neutral particles: low energy
+X-ray, gamma ray and neutron emission after the muon is captured by the
+nucleus. 
+
+The X-rays and gamma rays of interest are:
+\begin{itemize}
+  \item muonic $2p-1s$ transition in aluminum: \SI{346.8}{\kilo\eV}
+  \item \SI{843.7}{\kilo\eV} gamma from the $\beta^-$ decay of \ce{^{27}Mg}
+    (half-life: \SI{9.46}{\min})
+  \item \SI{1808.7}{\kilo\eV} gamma from the first excited state of
+    \ce{^{26}Mg}
+\end{itemize}
+
+Low momentum muons (less than \SI[]{40}{\mega\eVperc}) were stopped in
+a target after passing a muon counter
+(\SI{60}{\mm}$\times$\SI{60}{\mm}$\times$\SI{0.5}{\mm} plastic scintillator). 
+% Upstream from the muon counter, a 
+% \SI{10}{\cm} $\times$ \SI{10}{\cm}  $\times$ \SI{0.6}{\cm} scintillator with
+% a \SI{40}{\mm} diameter hole cut in the center acted as a  beam defining
+% veto counter to the incoming muon beam.
+There were two 5"$\times$2" liquid scintillator BC501a detectors setup on the
+beam right to detect neutrons. For gamma spectrum analysis and normalization
+we used an HPGe detector installed on the beam left. In addition, a \ce{LaBr3}
+scintillator was also tested if it would be suitable to use in the STM. A 25
+LYSO crystal array was placed downstream of the target beam left to observe
+high energy photons emitted.
+
+Two identical preamplifier outputs from the HPGe detector were fed into: (a)
+a timing filter amplifier for timing information, and (b) a spectroscopy
+amplifier for energy information. The timing pulses were read out by a 14-bit
+500-MS/s desktop digitizer(CAEN DT5730). In order to accommodate both low
+energy X-rays and relatively high energy gamma rays, we used two channels from
+the spectroscopy amplifier with different gain settings: (a) a lower gain
+channel for photons up to \SI{6.5}{\mega\eV}; and (b) a higher gain channel for
+photons up to \SI{2.5}{\mega\eV}. These channels were read out by a 14-bit
+100-MS/s VME digitizer (CAEN V1724).
+
+The \ce{LaBr3} crystal is coupled with a photomultiplier, of which output
+pulses were large enough so no further amplification was needed. This channel
+is read out with the DT5730.
+
+% Detectors' outputs were read out using waveform digitizers. We used a 14-bit
+% 100-MS/s VME digitizer (CAEN V1724) to record energy signals from
+% HPGe and \ce{LaBr3} detectors. There were two energy outputs from the HPGe
+% detector with different gain settings: (a) low gain channel for photons up to
+% \SI{6.5}{\mega\eV}; and (b) high gain channel for photons up to
+% \SI{2.5}{\mega\eV}. The timing signals from these detectors, and signals from
+% plastic and liquid scintillators were fed into a faster digitizer, namely
+% a 14-bit 500-MS/s desktop digitizer (CAEN DT5730).
+% These fast timing channels
+% were also read out using a multihit TDC (CAEN V1290A) as a back up solution.
+% All digitizers and TDC were synchronized by an external master clock.
+
+Experimental layout  is shown  in \cref{fig:R2015a_setup}.
+\begin{center}
+  \begin{figure}[tbp]
+    \centering
+    \includegraphics[width=0.70\textwidth]{figs/r15a_setup_photo}
+    \caption{Layout of the AlCap 2015 summer run. Muons entered from the top of
+      the image. The LYSO detector is not visible in this image, which is
+      located further out in the bottom of the image.} 
+    \label{fig:R2015a_setup}
+  \end{figure}
+\end{center}
+
+There were several runs with different targets made of aluminum, titanium,
+lead, water. All targets were sufficiently thick to stop the muon beam with
+momenta up to \SI{40}{\mega\eVperc}.
+
+

r15a_xray/xray.bib

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+% Encoding: x-MacRoman
+
+@Article{Zinatulina2019,
+  author    = {Zinatulina, D. and Brudanin, V. and Egorov, V. and Petitjean, C. and Shirchenko, M. and Suhonen, J. and Yutlandov, I.},
+  title     = {Ordinary muon capture studies for the matrix elements in $\ensuremath{\beta}\ensuremath{\beta}$ decay},
+  journal   = {Phys. Rev. C},
+  year      = {2019},
+  volume    = {99},
+  pages     = {024327},
+  month     = {Feb},
+  doi       = {10.1103/PhysRevC.99.024327},
+  issue     = {2},
+  numpages  = {14},
+  publisher = {American Physical Society},
+  url       = {https://link.aps.org/doi/10.1103/PhysRevC.99.024327},
+}
+
+@Article{Wohlfahrt1981,
+  author    = {Wohlfahrt, H. D. and Shera, E. B. and Hoehn, M. V. and Yamazaki, Y. and Steffen, R. M.},
+  title     = {Nuclear charge distributions in $1{f}_{\frac{7}{2}}$-shell nuclei from muonic x-ray measurements},
+  journal   = {Phys. Rev. C},
+  year      = {1981},
+  volume    = {23},
+  pages     = {533--548},
+  month     = {Jan},
+  doi       = {10.1103/PhysRevC.23.533},
+  issue     = {1},
+  numpages  = {0},
+  publisher = {American Physical Society},
+  url       = {https://link.aps.org/doi/10.1103/PhysRevC.23.533},
+}
+
+@Comment{jabref-meta: databaseType:bibtex;}
+
+@Comment{jabref-meta: grouping:
+0 AllEntriesGroup:;
+1 StaticGroup:Data analysis\;0\;1\;\;\;\;;
+2 StaticGroup:Bayesian unfolding\;0\;1\;\;\;\;;
+2 StaticGroup:Regularised unfolding\;0\;1\;\;\;\;;
+1 StaticGroup:CLFV Reviews\;0\;1\;\;\;\;;
+1 StaticGroup:Muon decays\;0\;1\;\;\;\;;
+2 StaticGroup:Mu-e conversion\;0\;1\;\;\;\;;
+2 StaticGroup:Mu-eg\;0\;1\;\;\;\;;
+2 StaticGroup:Mu-eee\;0\;1\;\;\;\;;
+1 StaticGroup:CLFV Theory\;0\;1\;\;\;\;;
+1 StaticGroup:Muon captures\;0\;1\;\;\;\;;
+1 StaticGroup:Weak interaction\;0\;1\;\;\;\;;
+}
+
+@Comment{jabref-meta: groupsversion:
+3;
+}

r15a_xray/xray.tex

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+\documentclass[11pt]{article}
+\usepackage{mhchem}
+\usepackage{booktabs}
+\usepackage{multirow}
+\usepackage{textcomp}
+\usepackage{epsfig}
+\usepackage{hyperref}
+\usepackage[noabbrev, capitalize]{cleveref} % hyperref must be loaded first
+\usepackage[
+  detect-weight=true,
+  per=slash,
+  detect-family=true,
+  separate-uncertainty=true]{siunitx}
+% \usepackage{listings}
+\usepackage[dvipsnames]{xcolor}
+\usepackage{upquote}
+
+\usepackage[framemethod=tikz]{mdframed}
+\usepackage{adjustbox}
+
+% \definecolor{greybg}{rgb}{0.25,0.25,0.25}
+% \definecolor{yellowbg}{rgb}{0.91, 0.84, 0.42}
+% \definecolor{bananamania}{rgb}{0.98, 0.91, 0.71}
+
+\mdfdefinestyle{warning}{%
+  linecolor=red!70,
+  frametitle={Warning},
+  frametitlerule=true,
+  frametitlebackgroundcolor=orange!40,
+  backgroundcolor=orange!30,
+  innertopmargin=\topskip,
+  roundcorner=8pt,
+  linewidth=1pt,
+}
+% \mdtheorem[style=theoremstyle]{warning}{Warning}
+
+\mdfdefinestyle{listing}{%
+  linecolor=Aquamarine!50,
+  linewidth=1pt,
+  backgroundcolor=yellow!40,
+  roundcorner=8pt,
+  % frametitlerule=true,
+  % frametitlebackgroundcolor=yellow!50,
+  innertopmargin=\topskip,
+}
+% \mdtheorem[style=listing]{listing}{Listing}
+
+% \DeclareSIUnit\eVperc{\eV\per\clight}
+% \DeclareSIUnit\clight{\text{\ensuremath{c}}}
+
+\begin{document}
+\title{Muonic X-rays from aluminum, titanium, ...}
+\author{Nam H. Tran \\ Boston University}
+\date{\today}
+\maketitle
+
+\input{tex/abstract.tex}
+\input{tex/intro.tex}
+\input{tex/setup.tex}
+\input{tex/analysis.tex}
+\input{tex/results.tex}
+
+\bibliographystyle{h-physrev}
+\bibliography{xray}
+\end{document}