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Presentations / CKM2012 / ckm2012_2.tex
@mchrzasz mchrzasz on 9 Jan 2013 21 KB first commit
  1. % This program can be redistributed and/or modified under the terms
  2. % of the GNU Public License, version 3.
  3. %
  4. % Seth Brown, Ph.D.
  5. % sethbrown@drbunsen.org
  6. %
  7. % Compiled with XeLaTeX
  8. % Dependencies:
  9. % Fontin Sans font (http://www.exljbris.com/fontinsans.html)
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  11. \documentclass{beamer}
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  29. \usepackage{hepparticles}
  30. \usepackage{hepnicenames}
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  32. \usepackage{tikz}
  33. \usepackage[polish]{babel}
  34. %\usepackage{lmodern}
  35. \usepackage{feynmp}
  36. % suppress navigation bar
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  40. \mode<presentation>
  41. {
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  43. \setbeamercovered{transparent}
  44. \setbeamertemplate{items}[circle]
  45. }
  46.  
  47. % set fonts
  48. \usepackage{amsfonts}
  49. \usepackage{amsmath}
  50. \usepackage{verbatim}
  51.  
  52. \usetikzlibrary{arrows}
  53. \usetikzlibrary{shapes}
  54.  
  55. %\usepackage{gfsartemisia-euler}
  56. %\usepackage[T1]{fontenc}
  57. \setbeamerfont{frametitle}{size=\LARGE,series=\bfseries}
  58. \tikzstyle{decision} = [diamond, draw, fill=gray!20,
  59. text width=4.5em, text badly centered, node distance=3cm, inner sep=0pt]
  60. \tikzstyle{block} = [rectangle, draw, fill=blue!10,
  61. text width=5em, text centered, rounded corners, minimum height=2em]
  62. \tikzstyle{line} = [draw, -latex']
  63. \tikzstyle{cloud} = [draw, ellipse,fill=red!10, node distance=3cm,
  64. minimum height=2em]
  65.  
  66. \tikzstyle{every picture}+=[remember picture]
  67.  
  68.  
  69. \renewcommand{\PKs}{{\HepParticle{K}{S}{}\xspace}}
  70. % color definitions
  71. \usepackage{color}
  72. \definecolor{uipoppy}{RGB}{225, 64, 5}
  73. \definecolor{uipaleblue}{RGB}{96,123,139}
  74. \definecolor{uiblack}{RGB}{0, 0, 0}
  75.  
  76. % caption styling
  77. %\DeclareCaptionFont{uiblack}{\color{uiblack}}
  78. %\DeclareCaptionFont{uipoppy}{\color{uipoppy}}
  79. %\captionsetup{labelfont={uipoppy},textfont=uiblack}
  80.  
  81. % see the macros.tex file for definitions
  82. \include{macros}
  83.  
  84. % title slide definition
  85. \title{Search for LFV and LNV decays at LHCb}
  86. \author{Marcin Chrz\k{a}szcz}
  87. \institute[Institute of Nuclear Physics]
  88. {
  89. Institute of Nuclear Physics,
  90. \newline Polish Academy of Science,
  91. \newline on behalf of LHCb collaboration
  92. }
  93.  
  94.  
  95.  
  96. \date{\today}
  97.  
  98. %--------------------------------------------------------------------
  99. % Introduction
  100. %--------------------------------------------------------------------
  101.  
  102. \begin{document}
  103.  
  104.  
  105.  
  106. \setbeamertemplate{background}
  107. {\includegraphics[width=\paperwidth,height=\paperheight]{frontpage_bg_mine}}
  108. \setbeamertemplate{footline}[default]
  109.  
  110. \begin{frame}
  111. \vspace{1.5cm}
  112. \begin{columns}
  113. \column{2.75in}
  114. \titlepage
  115. \vspace{0.8cm}
  116. \begin{center}
  117. \includegraphics[height=1.0cm,keepaspectratio ]{pic/ifj.png}
  118. \hspace{1cm}
  119. \includegraphics[height=1.0cm]{pic/LHCb_logo.jpg}
  120. \end{center}
  121. \vspace{10cm}
  122. \column{2.0in}
  123. \end{columns}
  124. \end{frame}
  125.  
  126. %--------------------------------------------------------------------
  127. % OUTLINE
  128. %--------------------------------------------------------------------
  129.  
  130.  
  131.  
  132.  
  133. \section[Outline]{}
  134. \begin{frame}
  135. \tableofcontents
  136. \end{frame}
  137.  
  138.  
  139.  
  140.  
  141.  
  142.  
  143.  
  144. %-------------------------------------------------------------------
  145. % Introduction
  146. %-------------------------------------------------------------------
  147. %
  148. % Set the background for the rest of the slides.
  149. % Insert infoline
  150. \setbeamertemplate{background}
  151. {\includegraphics[width=\paperwidth,height=\paperheight]{slide_bg}}
  152. \setbeamertemplate{footline}[bunsentheme]
  153.  
  154.  
  155.  
  156.  
  157. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  158. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  159.  
  160. \setbeamertemplate{background}
  161. {\includegraphics[width=\paperwidth,height=\paperheight]{slide_bg}}
  162. \setbeamertemplate{footline}[bunsentheme]
  163.  
  164. \section{Lepton Number Violation}
  165. \subsection{$\PBminus\to h^{+}\Plepton^{-}\Plepton^{-}$}
  166. \begin{frame}%[t]
  167. \frametitle{LNV in bottom decays}%$\PBminus\to h^{+}\ell^{-}\ell^{-}$}
  168. \only<1>{
  169. \Large{$\PBminus\to h^{+}\Plepton^{-}\Plepton^{-}$}
  170. }
  171. \only<2>{
  172. \begin{columns}\begin{column}{.5\textwidth}
  173. on-shell neutrino
  174.  
  175. \includegraphics[width=\textwidth]{pic/B-Majorana2.pdf}
  176. \end{column}
  177. {\begin{column}{.45\textwidth}
  178. virtual neutrino
  179.  
  180. \includegraphics[width=\textwidth]{pic/B-Majorana1.pdf}
  181. \end{column}
  182. }
  183. \end{columns}
  184. \begin{columns}
  185. \begin{column}{.5\textwidth}
  186. \begin{itemize}
  187. \item resonant production in accessible mass range
  188. \item rates depend on Majorana neutrino--lepton coupling $|V_{\mu 4}|$
  189. \newline {\footnotesize{(e.g.\ \href{http://arxiv.org/abs/0901.3589}{arXiv:0901.3589)}}}
  190. \item $m_4 = m_{\Plepton^{-},\Ppiplus}$
  191. \end{itemize}
  192. \end{column}
  193. {
  194. \begin{column}{.5\textwidth}
  195. \begin{exampleblock}{special for $\PB$ decays}
  196. %\begin{itemize}
  197. diagram without mass restriction
  198. Cabbibo favoured for $\PB\to\PD$
  199. %\end{itemize}
  200. \end{exampleblock}
  201. \end{column}
  202. }
  203. \end{columns}
  204. }
  205. \textref{M.Chrz\k{a}szcz 2012}
  206. \end{frame}
  207.  
  208. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  209. \setbeamertemplate{background}
  210. {\includegraphics[width=\paperwidth,height=\paperheight]{slide_bg}}
  211. \setbeamertemplate{footline}[bunsentheme]
  212.  
  213.  
  214. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  215.  
  216. \begin{frame}[t]
  217. \frametitle{virtual Majorana neutrinos}
  218.  
  219.  
  220. \begin{columns}
  221. \only<1>{
  222. \begin{column}{.78\textwidth}
  223. \begin{block}{}
  224. %\begin{itemize}
  225. $\PBminus\to\PDplus\Pmuon\Pmuon\quad\quad\quad\quad\quad\quad\PBminus\to\PD^{*+}\Pmuon\Pmuon$
  226. %\end{itemize}
  227. \includegraphics[width=\textwidth]{pic/MassFitDp_.pdf}
  228. \end{block}
  229. \end{column}
  230. }
  231.  
  232.  
  233. \end{columns}
  234. \only<1>{{
  235. {~}
  236.  
  237.  
  238. $\mathcal{B}(\PBminus\to\PDplus\Pmuon\Pmuon)<6.9\times 10^{-7} \quad \quad \mathcal{B}(\PBminus\to\PD^{*+}\Pmuon\Pmuon)<2.4\times 10^{-6}$
  239. }}
  240.  
  241.  
  242. {@ 95\,\% CL}\hspace{.35\textwidth}
  243. {@ 95\,\% CL}
  244.  
  245. {~}
  246.  
  247. \begin{columns}
  248. \begin{column}{6.5cm}
  249. \end{column}
  250. \begin{column}{1.5cm}
  251. \includegraphics[width=\textwidth]{pic/LHCb_logo.jpg}
  252. \end{column}
  253. \begin{column}{4cm}
  254. \hspace{.4cm}
  255.  
  256. $\unit{0.41}{\reciprocal\femtobarn}$
  257.  
  258. {\footnotesize{\href{http://arxiv.org/abs/1201.5600}{\texttt{arXiv:1201.5600}}}}
  259.  
  260. \end{column}
  261. \end{columns}
  262.  
  263. %LHCb, arXiv:1201.5600
  264. %\includegraphics[width=.5\textwidth]{UpperAll}
  265. \textref{M.Chrz\k{a}szcz 2012}
  266. \end{frame}
  267.  
  268. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  269.  
  270.  
  271.  
  272.  
  273. \begin{frame}[t]
  274. \frametitle{on-shell Majorana neutrinos}
  275.  
  276. \begin{itemize}
  277. %\item best limits for $h = \PDplus, \PD^{*+}, \Ppiplus, \PDs$ from LHCb using $\unit{0.41}{\reciprocal\femtobarn}$ %, \PKplus
  278. %\item normalisation relative to $\PBplus\to\PKplus\PJpsi$ and $\PBplus\to\PKplus\Ppsi(2S)$
  279. \item mis-identification rates from data with mass shape from simulation
  280. \end{itemize}
  281. \begin{columns}
  282.  
  283. \only<1>{
  284. \begin{column}{.72\textwidth}
  285. \begin{block}{}
  286. $\PBminus\to\Ppiplus\Pmuon\Pmuon\quad\quad\quad\quad\PBminus\to\PDs^{+}\Pmuon\Pmuon$
  287. \only<1>{\includegraphics[width=.44\textwidth]{pic/MassFitPi2}\hspace{.04\textwidth}\includegraphics[width=.46\textwidth]{pic/MassFitDs_}}
  288. \end{block}
  289. \end{column}
  290. }
  291.  
  292. \end{columns}
  293.  
  294.  
  295. \only<1>{{
  296. {~}
  297.  
  298. assuming $\PBminus$ phase space decay:
  299.  
  300. $\mathcal{B}(\PBminus\to\Ppiplus\Pmuon\Pmuon)<1.3\times 10^{-8} \quad \quad \mathcal{B}(\PBminus\to\PDs\Pmuon\Pmuon)<5.8\times 10^{-7}$
  301. }}
  302.  
  303. {@ 95\,\% CL}\hspace{.35\textwidth}
  304. {@ 95\,\% CL}
  305. \begin{columns}
  306. \begin{column}{6.5cm}
  307. \end{column}
  308. \begin{column}{1.5cm}
  309. \includegraphics[width=\textwidth]{pic/LHCb_logo.jpg}
  310. \end{column}
  311. \begin{column}{4cm}
  312. \hspace{.4cm}
  313.  
  314. $\unit{0.41}{\reciprocal\femtobarn}$
  315.  
  316. {\footnotesize{\href{http://arxiv.org/abs/1201.5600}{\texttt{arXiv:1201.5600}}}}
  317.  
  318. \end{column}
  319. \end{columns}
  320.  
  321.  
  322. %LHCb, arXiv:1201.5600
  323. %\includegraphics[width=.5\textwidth]{UpperAll}
  324. \textref{M.Chrz\k{a}szcz 2012}
  325. \end{frame}
  326.  
  327. \begin{frame}
  328. \frametitle{implications on Majorana mass}
  329. \begin{exampleblock}{mass spectrum}
  330. Determine limit as function of $h^{+}\Pmuon$ mass
  331. \end{exampleblock}
  332. {\begin{center}
  333. $\PBminus\to\Ppiplus\Pmuon\Pmuon\quad\quad\quad\PBminus\to\PDs^{+}\Pmuon\Pmuon$
  334.  
  335. {~}
  336.  
  337. \includegraphics[width=.82\textwidth]{./UpperTwoBody}\end{center}}
  338.  
  339. \begin{columns}
  340. \begin{column}{6.5cm}
  341. \end{column}
  342. \begin{column}{1.2cm}
  343. \includegraphics[width=\textwidth]{pic/LHCb_logo.jpg}
  344. \end{column}
  345. \begin{column}{4cm}
  346. \hspace{.4cm}
  347.  
  348. $\unit{0.41}{\reciprocal\femtobarn}$
  349.  
  350. {\footnotesize{\href{http://arxiv.org/abs/1201.5600}{\texttt{arXiv:1201.5600}}}}
  351.  
  352. \end{column}
  353. \end{columns}
  354.  
  355. \textref{M.Chrz\k{a}szcz 2012}
  356. \end{frame}
  357.  
  358. \subsection{$\PBminus\to\PDzero\Ppiplus\Pmuon\Pmuon$}
  359. %\section{LNV in $\PBminus\to h^{0} h^{\prime+}\Plepton^{-}\Plepton^{-}$} %LHCb
  360. \begin{frame}{$\PBminus\to\PDzero \Ppiplus\Pmuon\Pmuon$}
  361. \begin{columns}\begin{column}{.5\textwidth}
  362. \includegraphics[width=\textwidth]{./B-Majorana3}
  363. \end{column}
  364. \end{columns}
  365. \begin{itemize}
  366. \item Four body $\PB$ decay complementary to three body decay\newline{\footnotesize{ (\href{http://arxiv.org/abs/1108.6009}{\texttt{arXiv:1108.6009}})}}
  367. %\item Constraints predict $\mathcal{B}(\PB\to\PD\ell\ell)<10^{-6}$
  368. \item $m_4=m(\Ppiplus\Pmuon)$
  369. \item[+] enhanced by $\PW$ couplings
  370. \item[-] smaller mass range accessible ($\unit{260}{\MeV}<m_4<\unit{3.3}{\GeV}$)
  371. \item first performed at LHCb
  372. \end{itemize}
  373. \textref{M.Chrz\k{a}szcz 2012}
  374. \end{frame}
  375.  
  376.  
  377. \begin{frame}
  378. \frametitle{$\PBminus\to\PDzero \Ppiplus\Pmuon\Pmuon$}
  379.  
  380. \includegraphics[width=.47\textwidth]{./MassFitD0}\includegraphics[width=.47\textwidth]{./UpperThreeBody}
  381.  
  382. {~}
  383. \begin{columns}
  384. \begin{column}{.8\textwidth}
  385. \hspace{.1\textwidth} $\mathcal{B}(\PBminus\to\PDzero\Ppiplus\Pmuon\Pmuon)<1.5\times 10^{-6}$ @$95\,\%$ CL \footnote{LHCb, CERN-PH-EP-2012-006, \href{http://arxiv.org/abs/1201.5600}{\texttt{arXiv:1201.5600}}}
  386. \smallskip
  387.  
  388. \hspace{.1\textwidth} Less restrictive than $\PBminus\to\Ppiplus\Pmuon\Pmuon$ on $|V_{\mu 4}|^2$
  389. \end{column}
  390. \begin{column}{.2\textwidth}
  391. \includegraphics[width=1.3cm]{pic/LHCb_logo.jpg}
  392. \end{column}
  393. \end{columns}
  394.  
  395. \textref{M.Chrz\k{a}szcz 2012}
  396. \end{frame}
  397.  
  398.  
  399. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  400.  
  401. \section{Lepton Flavour Violation}
  402. \begin{frame}
  403. \begin{center}
  404. {\Huge{Lepton Flavour Violation}}
  405.  
  406. {~}
  407. \begin{block}{}
  408. \circled{1} $\Ptauon\to\Pmuon\Pmuon\APmuon$ \\
  409. \circled{2} $\Ptauon\to\APproton\Pmuon\APmuon$
  410. \end{block}
  411.  
  412. \end{center}
  413. \textref{M.Chrz\k{a}szcz 2012}
  414. \end{frame}
  415. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  416.  
  417.  
  418.  
  419. \subsection{$\Ptauon\to\Pmuon\Pmuon\APmuon$}
  420. \begin{frame}\frametitle{Curent status}
  421.  
  422.  
  423. \frametitle{LFV in $\Ptauon$ sector}%$\PBminus\to h^{+}\ell^{-}\ell^{-}$}
  424. \only<1>{
  425. \Large{$\Ptauon\to\Pmuon\Pmuon\APmuon$}
  426. }
  427. \only<2>{
  428.  
  429.  
  430.  
  431. \begin{center}
  432. \begin{block}{}
  433. \circled{1} In SM small $\mathcal{B}( \Ptauon\to\Pmuon\Pmuon\APmuon ) \sim 10^{-50} $ \\
  434. \circled{2} NP can enhance $\mathcal{B}$. \\
  435. \circled{3} Nature still hides $\Ptauon\to\Pmuon\Pmuon\APmuon$ from us.\\
  436. \circled{4} Current limits:
  437. \begin{center}
  438. \begin{tabular}{| l | l |}
  439. \hline Experiment & $90\%$ CL limit \\
  440. \hline
  441. \hline BaBar & $3.3 \times 10^{-8}$ \\
  442. \hline Belle & $2.1 \times 10^{-8}$ \\
  443. \hline
  444. \end{tabular}
  445. \end{center}
  446. \circled{5} Can a hadron collider change the picture? \\
  447. \end{block}
  448.  
  449.  
  450.  
  451.  
  452.  
  453.  
  454.  
  455. \end{center}
  456. }
  457. \textref{M.Chrz\k{a}szcz 2012}
  458. \end{frame}
  459.  
  460. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  461.  
  462. \begin{frame}\frametitle{Analysis aproach}
  463. \begin{columns}
  464. \column{2.5in}
  465. $\mathcal{B}$ factories
  466.  
  467.  
  468. \column{2.5in}
  469. LHCb
  470.  
  471.  
  472.  
  473. \end{columns}
  474. \begin{columns}
  475. \column{2.5in}
  476.  
  477.  
  478. \begin{block}{}
  479. \circled{1} Clean signal: $\APelectron\Pelectron\to\APtauon\Ptauon$ \\
  480. \circled{2} Claculate the trust axis \\
  481. \circled{3} Semi tag the other tag \\
  482. \end{block}
  483. \column{2.5in}
  484.  
  485. \begin{block}{}
  486. \circled{1} Inclusive $\tau$ cross section: \newline $79.5\pm\unit{8.3}{\micro\barn}$. \\
  487. \circled{2} $8 \times 10^{10} \tau$ produced. \\
  488. \circled{3} Dominant contribution: \newline $\PDs\to\Ptau\Pnut$ ($78\%$) \\
  489. \circled{4} No tag possible. \\
  490. \end{block}
  491.  
  492.  
  493.  
  494. \end{columns}
  495.  
  496.  
  497. \textref{M.Chrz\k{a}szcz 2012}
  498. \end{frame}
  499.  
  500. \begin{frame}
  501. \frametitle{Strategy}
  502. \begin{columns}
  503. \begin{column}{.5\textwidth}
  504. \begin{itemize}
  505. \item Loose cut based selection
  506. \item Classification in 3D space:
  507. \begin{itemize}
  508. \item invariant mass
  509. \item decay topology\newline (multivariate)
  510. \item particle identification\newline (multivariate)
  511. \end{itemize}
  512. \item Classifier trained on simulation
  513. \item Calibration with control channel
  514. \item Normalisation with $\PDs$
  515. \item CLs method to extract the result
  516. \end{itemize}
  517. \end{column}
  518. \begin{column}{.5\textwidth}
  519.  
  520. \begin{block}{Signal \& Calibration \& Background channel}
  521. \includegraphics[width=.7\textwidth]{topos}
  522. \newline
  523. \includegraphics[width=.7\textwidth]{topob2.png}
  524. \end{block}
  525. \end{column}
  526. \end{columns}
  527. \textref{M.Chrz\k{a}szcz 2012}
  528. \end{frame}
  529.  
  530. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%5
  531.  
  532.  
  533. \begin{frame}
  534. \frametitle{signal likelihoods}
  535. \begin{columns}\begin{column}{.48\textwidth}
  536. \begin{block}{particle identification}
  537. \begin{itemize}
  538. \item hits in muon chambers
  539. \item energy in calorimeters
  540. \begin{itemize}
  541. \item compatible with MIP
  542. \end{itemize}
  543. \item RICH response
  544. \end{itemize}
  545. \end{block}
  546. \begin{exampleblock}{Calibration}
  547. $\PJpsi\to\APmuon\Pmuon$
  548. \end{exampleblock}
  549. \includegraphics[width=.88\textwidth]{./Fig1b_pidbinning3}
  550. \end{column}
  551.  
  552. \begin{column}{.48\textwidth}
  553.  
  554. \begin{block}{3 body decay likelihood}
  555. \begin{itemize}
  556. \item vertex properties
  557. \begin{itemize}
  558. \item vertex fit, pointing
  559. \end{itemize}
  560. \item track quality
  561. \item isolation
  562. \end{itemize}
  563. \end{block}
  564. \begin{exampleblock}{Calibration}
  565. $\PDs\to\Pphi\Ppi$
  566. \end{exampleblock}
  567. \includegraphics[width=.88\textwidth]{./Fig1a_geobinning3}
  568. \end{column}
  569.  
  570. \end{columns}
  571.  
  572.  
  573.  
  574.  
  575.  
  576. \textref{M.Chrz\k{a}szcz 2012}
  577. \end{frame}
  578. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  579.  
  580.  
  581. \begin{frame}
  582. \frametitle{Normalisation channel $\PDs^{+}\to\Pphi(\APmuon\Pmuon)\Ppiplus$}
  583. \begin{block}{Produced $\tau$ leptons}
  584. \vspace{-.3cm}
  585. \begin{align*}
  586. \mathcal{B}(\tau\to\mu\mu\mu)=\frac{\sigma(pp\to\PDs\to\Ptau)}{\sigma(pp\to\Ptau)} \frac{\mathcal{B}(\PDs\to\Pphi(\Pmu\Pmu)\Ppi)}{\mathcal{B}(\PDs\to\Ptau\Pnut)} \frac{\varepsilon_{norm}}{\varepsilon_{sig}}\frac{N_{\tau\to\mu\mu\mu}}{N_{\PDs\to\Pphi(\Pmu\Pmu)\Ppi}}
  587. \end{align*}
  588. \end{block}
  589. \begin{center}
  590. \includegraphics[scale=0.3]{pic/LHCb_logo.jpg}\hspace{.5em}
  591. \texttt{LHCb-CONF-2012-015}
  592.  
  593. \includegraphics[scale=0.3]{./Fig3a_mDs}
  594.  
  595. \end{center}
  596.  
  597. \textref{M.Chrz\k{a}szcz 2012}
  598. \end{frame}
  599.  
  600. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  601.  
  602. \begin{frame}
  603. \frametitle{Invariant mass}
  604. \begin{columns}
  605. \begin{column}{.8\textwidth}
  606.  
  607. \begin{itemize}
  608. \item background estimation in sidebands
  609. \item different signal likelihood inside signal region
  610. \end{itemize}
  611.  
  612. \end{column}
  613.  
  614.  
  615. \end{columns}
  616. \begin{columns}
  617. \begin{column}{.65\textwidth}
  618. \includegraphics[width=\textwidth]{./masssim}
  619. \end{column}
  620. \begin{column}{.35\textwidth}
  621. \begin{itemize}
  622. \item mass resolution and mass scale calibrated on data
  623. \end{itemize}
  624. \end{column}
  625. \end{columns}
  626.  
  627. \end{frame}
  628.  
  629. \begin{frame}
  630. \frametitle{Signal likelihoods}
  631. \begin{columns}
  632. \begin{column}{.8\textwidth}
  633. \begin{block}{combined signal distribution}
  634. \begin{itemize}
  635. \item events distributed over 25 likelihood bins
  636. \item background estimate from mass sidebands
  637. \end{itemize}
  638. \end{block}
  639. \end{column}
  640. \begin{column}{.2\textwidth}
  641.  
  642.  
  643.  
  644. \end{column}
  645.  
  646. \end{columns}
  647. \begin{columns}
  648. \begin{column}{.65\textwidth}
  649. %\only<1>{\includegraphics[width=\textwidth]{./2d-data2.pdf}}
  650. \only{\includegraphics[width=\textwidth]{./2d-data2_both.pdf}}
  651. \end{column}
  652. \begin{column}{.35\textwidth}
  653. \begin{itemize}
  654. \item \textcolor{red}{11\,\% signal efficiency}
  655. \item \textcolor{blue}{21\,\% signal efficiency}
  656. \item for illustration:\newline high likelihood range shown
  657. \end{itemize}
  658. \end{column}
  659. \end{columns}
  660.  
  661. \end{frame}
  662.  
  663.  
  664. \begin{frame}
  665. \frametitle{Observed events}
  666. \begin{columns}
  667. \begin{column}{.5\textwidth}
  668. %four best bins
  669.  
  670. \includegraphics[width=.98\textwidth]{./Fig4a_1stbin3.pdf}
  671. \end{column}
  672. \begin{column}{.5\textwidth}
  673. %four best bins
  674.  
  675. \includegraphics[width=.98\textwidth]{./Fig4b_2ndbin3.pdf}
  676. \end{column}
  677.  
  678. \end{columns}
  679. \begin{columns}
  680. \begin{column}{.37\textwidth}
  681. 11\,\% of the signal
  682.  
  683. 0.03\,\% of the background
  684. \end{column}
  685. \begin{column}{.13\textwidth}
  686. \includegraphics[width=\textwidth]{./2d-data2_1st}
  687. \end{column}
  688. \begin{column}{.37\textwidth}
  689. 21\,\% of the signal
  690.  
  691. 0.14\,\% of the background
  692. \end{column}
  693. \begin{column}{.13\textwidth}
  694. \includegraphics[width=\textwidth]{./2d-data2_2nd}
  695. \end{column}
  696. \end{columns}
  697. %\end{column}
  698. %\begin{column}{.5\textwidth}
  699. %%next four best bins
  700. %\includegraphics[width=.98\textwidth]{./Fig4b_2ndbin.pdf}
  701. %\begin{columns}
  702. %\begin{column}{.9\textwidth}
  703. %21\,\% of the signal
  704. %
  705. %0.14\,\% of the background
  706. %\end{column}
  707. %\begin{column}{.1\textwidth}
  708. %\includegraphics[width=\textwidth]{./2d-data2_2nd}
  709. %\end{column}
  710. %\end{columns}
  711. %\end{column}
  712. %\end{columns}
  713.  
  714. {~}
  715.  
  716.  
  717. \begin{columns}
  718. \begin{column}{.65\textwidth}
  719. \begin{description}
  720. \item[\textcolor{red}{red dashed}] combinatorial background
  721. \item[\textcolor{green}{green}] $\PDs^{+}\to\Peta(\Pmuon\APmuon\Pphoton)\APmuon\Pnum$
  722. \item[\textcolor{blue}{blue}] combined background
  723. \end{description}
  724. \end{column}
  725.  
  726. \begin{column}{.35\textwidth}
  727. \includegraphics[width=.26\textwidth]{pic/LHCb_logo.jpg}
  728. \hspace{.5em}$\unit{1}{\reciprocal\femtobarn}$
  729.  
  730. \texttt{LHCb-CONF-}\texttt{2012-015}
  731.  
  732. \end{column}
  733. \end{columns}
  734. %no excess observed
  735.  
  736. \end{frame}
  737.  
  738. \begin{frame}
  739. \frametitle{Extracted limit}
  740. \begin{columns}\begin{column}{.8\textwidth}
  741.  
  742. \vspace{1.0cm}
  743.  
  744. \begin{tabular}{|l|l|l|}
  745. \hline
  746. & \text{observed} & \text{expected} \\
  747. \hline
  748. $\mathcal{B}(\Ptau\to\Pmu\Pmu\Pmu)$ <\ & $6.3\times 10 ^{-8}$ & $8.2\times 10^{-8}$ \\
  749. & $ 7.8\times 10 ^{-8}$ & $9.9\times 10^{-8}$ \\
  750. \hline
  751. \end{tabular}
  752.  
  753.  
  754.  
  755. \end{column}
  756. \begin{column}{.2\textwidth}
  757. \includegraphics[width=.46\textwidth]{pic/LHCb_logo.jpg}
  758. \hspace{.5em}$\unit{1}{\reciprocal\femtobarn}$
  759.  
  760. \texttt{LHCb-CONF-} \texttt{2012-015}
  761. \end{column}
  762. \end{columns}
  763. \begin{columns}
  764. \begin{column}{.65\textwidth}
  765. \includegraphics[width=\textwidth]{./Fig5_withbkg3.pdf}
  766. \end{column}
  767. \begin{column}{.04\textwidth}
  768.  
  769. \end{column}
  770. \begin{column}{.35\textwidth}
  771.  
  772.  
  773. \end{column}
  774. \end{columns}
  775. \textref{M.Chrz\k{a}szcz 2012}
  776. \end{frame}
  777. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  778. % tau2pmumu
  779.  
  780.  
  781. \subsection{$\Ptauon\to\APproton\Pmuon\APmuon$}
  782. \begin{frame}\frametitle{Curent status}
  783.  
  784.  
  785. \frametitle{LFV in $\Ptauon$ sector}%$\PBminus\to h^{+}\ell^{-}\ell^{-}$}
  786. \only<1>{
  787. \Large{$\Ptauon\to\APproton\Pmuon\APmuon$}
  788. }
  789. \only<2>{
  790. \begin{block}
  791. \circled{1} Search for baryon number violation processes so far unsuccessful, but must have occurred in the early universe \\
  792. \circled{2} Decay fall into $\vert B -L \vert =0$ category, which is predicted by many NP models.\\
  793. \circled{3} Similar decays $\Ptauon\to\PLambda\Plepton$, previous studied in $\mathcal{B}$ factories. \\
  794. \circled{4} Two possible decay and new physics modes: $\Ptauon\to\APproton\Pmuon\APmuon$, $\Ptauon\to\Pproton\Pmuon\APmuon$. \\
  795. \circled{5} Analysis adopted from $\Ptauon\to\Pmuon\Pmuon\APmuon$ \\
  796. \end{block}
  797. }
  798.  
  799. \textref{M.Chrz\k{a}szcz 2012}
  800. \end{frame}
  801.  
  802.  
  803. \begin{frame}\frametitle{Curent status}
  804.  
  805.  
  806. \frametitle{Differences}%$\PBminus\to h^{+}\ell^{-}\ell^{-}$}
  807.  
  808. \begin{columns}
  809. \column{3.0in}
  810. \begin{itemize}
  811. \item Use the same $\mathcal{M}_{3body}$ BDT as for $\Ptauon\to\Pmuon\Pmuon\APmuon$
  812. \item Insead of PID BDT use hard PID cut optimised on MC and Data.
  813. \item Worse normalization factor, due to hard PID cuts.
  814. \item Only combinatorical background expected.
  815. \end{itemize}
  816.  
  817. \column{2in}
  818.  
  819. \includegraphics[scale=0.2]{mass_bins}
  820. \newline \includegraphics[scale=0.2]{BDTbins_postPID_OS}
  821. \newline \includegraphics[scale=0.2]{BDTbins_postPID_SS}
  822. \end{columns}
  823.  
  824. \textref{M.Chrz\k{a}szcz 2012}
  825. \end{frame}
  826.  
  827.  
  828.  
  829. \begin{frame}\frametitle{Backorund Fits}
  830. \begin{center}
  831. \only<1>{
  832. \Large $\Ptauon\to\APproton\Pmuon\Pmuon$
  833. \newline
  834. \includegraphics[scale=0.22]{SS/geo0p4_0p7.png}
  835. \includegraphics[scale=0.22]{SS/geo0p7_1p1.png}
  836. }
  837. \only<2>{
  838.  
  839. \Large $\Ptauon\to\Pproton\Pmuon\APmuon$
  840. \newline
  841. \includegraphics[scale=0.22]{OS/geo0p4_0p7.png}
  842. \includegraphics[scale=0.22]{OS/geo0p7_1p1.png}
  843.  
  844. }
  845. \end{center}
  846. \textref{M.Chrz\k{a}szcz 2012}
  847. \end{frame}
  848.  
  849. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  850.  
  851. \begin{frame}\frametitle{Limits on \textcolor{green}{$\Ptauon\to\APproton\Pmuon\APmuon$} and \textcolor{red}{$\Ptauon\to\Pproton\Pmuon\Pmuon$}}
  852. \begin{center}
  853. \includegraphics[scale=0.22]{OS_banan_un}
  854. \includegraphics[scale=0.22]{SS_banan_un}
  855. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  856.  
  857. \begin{tabular}{|l|l|l|}
  858. \hline
  859. CLs & \text{Observed} & \text{expected} \\
  860. \hline
  861. \hline
  862. $90\%$ & \textcolor{green}{$4.7 \times 10^{-7}$} \textcolor{red}{ $5.4 \times 10^{-7}$} & \textcolor{green}{$4.7 \times 10^{-7}$} \textcolor{red}{ $5.4 \times 10^{-7}$} \\
  863. \hline
  864. $95\%$ & \textcolor{green}{$5.9 \times 10^{-7}$} \textcolor{red}{ $6.9 \times 10^{-7}$} & \textcolor{green}{$4.5 \times 10^{-7}$} \textcolor{red}{ $6.0 \times 10^{-7}$} \\
  865. \hline
  866. \end{tabular}
  867.  
  868.  
  869. \end{center}
  870. \Large First time measured!!
  871.  
  872. \textref{M.Chrz\k{a}szcz 2012}
  873. \end{frame}
  874.  
  875.  
  876. \begin{frame}\frametitle{Summary}
  877.  
  878.  
  879. {~}
  880. \begin{block}{}
  881. \circled{1} LNV, LFV and BNV still hides before us. \\
  882. \circled{2} First measurements on $\tau$ physics on hadron coliders.\\
  883. \circled{3} LHCb caughting up $\mathcal{B}$ factories. \\
  884. \circled{4} $\mathcal{B}(\tau \to \Pproton \mu \mu)$ first time measured.
  885.  
  886. \end{block}
  887. \center Thank you for your attention.
  888.  
  889.  
  890. %\center \Large Thank you for attention.
  891. \textref{M.Chrz\k{a}szcz 2012}
  892. \end{frame}
  893.  
  894.  
  895.  
  896. \end{document}