diff --git a/Zurich_group/Mountain_hut_2015/RD/images/MCData_correction.pdf b/Zurich_group/Mountain_hut_2015/RD/images/MCData_correction.pdf new file mode 100644 index 0000000..50e584e --- /dev/null +++ b/Zurich_group/Mountain_hut_2015/RD/images/MCData_correction.pdf Binary files differ diff --git a/Zurich_group/Mountain_hut_2015/RD/images/ROC_Kmue.pdf b/Zurich_group/Mountain_hut_2015/RD/images/ROC_Kmue.pdf new file mode 100644 index 0000000..4696462 --- /dev/null +++ b/Zurich_group/Mountain_hut_2015/RD/images/ROC_Kmue.pdf Binary files differ diff --git a/Zurich_group/Mountain_hut_2015/RD/images/ROC_uBoost.png b/Zurich_group/Mountain_hut_2015/RD/images/ROC_uBoost.png new file mode 100644 index 0000000..0791090 --- /dev/null +++ b/Zurich_group/Mountain_hut_2015/RD/images/ROC_uBoost.png Binary files differ diff --git a/Zurich_group/Mountain_hut_2015/RD/images/sWeights_MCData_correction.pdf b/Zurich_group/Mountain_hut_2015/RD/images/sWeights_MCData_correction.pdf new file mode 100644 index 0000000..6466032 --- /dev/null +++ b/Zurich_group/Mountain_hut_2015/RD/images/sWeights_MCData_correction.pdf Binary files differ diff --git a/Zurich_group/Mountain_hut_2015/RD/mchrzasz.tex b/Zurich_group/Mountain_hut_2015/RD/mchrzasz.tex index 57919e9..20ca7dd 100644 --- a/Zurich_group/Mountain_hut_2015/RD/mchrzasz.tex +++ b/Zurich_group/Mountain_hut_2015/RD/mchrzasz.tex @@ -492,16 +492,18 @@ \end{frame} + + \begin{frame}\frametitle{Lets pin down NP now!} $\Rrightarrow$ Some ideas what we can do: \begin{itemize} -\item If the NP accrues in the $R_k$, it might also occur in the angular observables! $\Rightarrow$ Lets measure difference in observables like $P_5^{\prime,~\mu} - P_5^{\prime~e}$. +\item If the NP occurs in the $R_k$, it might also occur in the angular observables! $\Rightarrow$ Lets measure difference in observables like $P_5^{\prime,~\mu} - P_5^{\prime~e}$. \item In the $\tau$ sector the NP is competing with a SM tree decay! We could measure: $R(\PLambda_c^{\ast})$\footnote{Please remember that protons kill a lot of background. The main criticism on $R(\PDstar)$ analysis is the background modelling}. \item If there exists LU breaking, one cloud also see LFV like: $\PB \to \PK \Plepton \Plepton^{\prime}$, like: $\PBplus \to \PKplus \Pmu \Pe$. \item Now playing the devils advocate: Maybe we are remodelling the $\PBzero \to \PKstar \Pmu \Pmu$? One could measure the partial and higher moments in this channel as well in $\PB \to \PK \Pe \Pe$, Collaboration with Roman Zwicky and Greg Cowan~\footnote{My personal opinion, we should keep as much of MoM in UZH as possible.}. -\item Measure the angular observables of $\PBplus \to \PKplus \Pe \Pe$. +\item Measure the angular observables of $\PBplus \to K^{*+}_{1}\Pe \Pe$, $\PBplus \to \PKplus \Pe \Pe$ and $\Lambda^{0}_{b}\to \Lambda^{*}\Pe \Pe$ decays. \end{itemize} \end{frame} @@ -510,7 +512,10 @@ \begin{frame}\frametitle{Lets pin down NP in Run2 data} $\Rrightarrow$ Some ideas what we could do with the full Run2 data: \begin{itemize} -\item Well $\tau$s are more sensitive, we could start thinking of: $\PB \to \PK(\PKstar) \Ptau \Ptau$. +\item Since decays involving $\tau$'s are more sensitive, we could start thinking in modes such as $\PB \to \PK(\PKstar) \Ptau \Ptau$. +\begin{itemize} +\item Undergraduate student [Alex Daetwyler] is currently studying the sensitivity for $\PBzero \to \PKstar \Ptau \Ptau$ decays with Run 1 and 2 data. +\end{itemize} \item We should definitely update $\tau \to 3\mu$. \item Some more Semi-leptonic measurements! \end{itemize} @@ -518,6 +523,83 @@ \end{frame} +\begin{frame}\frametitle{Angular analysis of $\PBzero \to \PKstar [\Pmuon \APmuon,\Pelectron \APelectron]$\\ \texttt{\begin{small} F.Lionetto, N.Serra, R.Silva Coutinho \end{small}}} + + +$\Rrightarrow$ LFV measurements using $\PBzero \to \PKstar \Pelectron \APelectron (R_{K^{*}})$ are under way, \footnote{Similarly LU tests for $R_{\phi}$ are also being performed.} so it seems a good idea to study their angular observables. + +\begin{columns} +\column{0.02\textwidth} +{~} +\column{0.47\textwidth} +\begin{itemize} +\item Analysis at an initial stage. +\item Plan is to perform the MoM for sensitive observables +\begin{itemize} +\item $1.1 < q^{2} < 6.0\,$GeV$^{2}/c^{4}$ +\item $q^{2} > 15$GeV\,$^{2}/c^{4}$ +\end{itemize} +\item Studying smearing tool to reproduce Bremsstrahlung effects in muons. + +\end{itemize} + +\column{0.4\textwidth} +\includegraphics[width=4cm,height=2.5cm]{images/sWeights_MCData_correction.pdf}\\ +\includegraphics[width=4cm,height=2.5cm]{images/MCData_correction.pdf} + +\column{0.02\textwidth} +{~} +\end{columns} +\end{frame} + +\begin{frame}\frametitle{Moments analysis of $\PBzero \to \PKstar(14X0) [\Pmuon \APmuon,\Pelectron \APelectron]$\\ \texttt{\begin{small} N.Serra, R.Silva Coutinho \end{small}}} + +$\Rrightarrow$ Similar methodology used in the ($S,P,D$)-wave analysis performed by Espen, but extended to electrons. + +\begin{columns} +\column{0.02\textwidth} +{~} +\column{0.47\textwidth} +\begin{itemize} +\item Several tools used are shared with Federica's analysis. +\item Revised selection (wrt the $R_{K^{*}}$ analysis) optimised for the phase-space. +\item Currently working on simulated studies to verify the sensitivity (and even feasibility) of the analysis. + +\end{itemize} + +\column{0.5\textwidth} +\includegraphics[width=5.5cm,height=4cm]{images/ROC_uBoost.png} + +\column{0.02\textwidth} +{~} +\end{columns} +\end{frame} + +\begin{frame}\frametitle{Lepton flavour violation in $\PB \to \PK \Plepton \Plepton^{\prime}$ decays\\ \texttt{\begin{small} M.Chrzaszcz \end{small}}} + +\begin{columns} +\column{0.02\textwidth} +{~} +\column{0.47\textwidth} +\begin{itemize} + +\item Several groups concentrate their affords in $\PBzero \to \PK \Ptau \Pmu$. +\item However, $\PB \to \PK \Pelectron \APmuon$ decays might be a better candidate. +\begin{itemize} +\item Factor of $10$ lost because of the hierarchical structure of NP, but you can this back because of $\tau$ branching fraction. +\item ... and still you do not have the neutrinos to worry about. +\end{itemize} +\item Currently working on the MVA optimisation. +\end{itemize} + +\column{0.5\textwidth} +\includegraphics[width=1.1\textwidth]{images/ROC_Kmue.pdf} + +\column{0.02\textwidth} +{~} +\end{columns} +\end{frame} + \begin{frame}\frametitle{Summary}