\begin{thebibliography}{29}
\expandafter\ifx\csname natexlab\endcsname\relax\def\natexlab#1{#1}\fi
\expandafter\ifx\csname bibnamefont\endcsname\relax
  \def\bibnamefont#1{#1}\fi
\expandafter\ifx\csname bibfnamefont\endcsname\relax
  \def\bibfnamefont#1{#1}\fi
\expandafter\ifx\csname citenamefont\endcsname\relax
  \def\citenamefont#1{#1}\fi
\expandafter\ifx\csname url\endcsname\relax
  \def\url#1{\texttt{#1}}\fi
\expandafter\ifx\csname urlprefix\endcsname\relax\def\urlprefix{URL }\fi
\providecommand{\bibinfo}[2]{#2}
\providecommand{\eprint}[2][]{\url{#2}}

\bibitem[{\citenamefont{Grassi}(2005)}]{Grassi:2005ac}
\bibinfo{author}{\bibfnamefont{M.}~\bibnamefont{Grassi}}
  (\bibinfo{collaboration}{MEG Collaboration}), \bibinfo{journal}{Nucl. Phys.
  Proc. Suppl.} \textbf{\bibinfo{volume}{149}}, \bibinfo{pages}{369}
  (\bibinfo{year}{2005}).

\bibitem[{\citenamefont{Allanach et~al.}(2002)}]{Allanach:2002nj}
\bibinfo{author}{\bibfnamefont{B.~C.} \bibnamefont{Allanach}}
  \bibnamefont{et~al.} (\bibinfo{year}{2002}), \eprint{hep-ph/0202233}.

\bibitem[{\citenamefont{Antusch et~al.}(2006)\citenamefont{Antusch, Arganda,
  Herrero, and Teixeira}}]{Antusch:2006vw}
\bibinfo{author}{\bibfnamefont{S.}~\bibnamefont{Antusch}},
  \bibinfo{author}{\bibfnamefont{E.}~\bibnamefont{Arganda}},
  \bibinfo{author}{\bibfnamefont{M.~J.} \bibnamefont{Herrero}},
  \bibnamefont{and} \bibinfo{author}{\bibfnamefont{A.~M.}
  \bibnamefont{Teixeira}}, \bibinfo{journal}{JHEP}
  \textbf{\bibinfo{volume}{11}}, \bibinfo{pages}{090} (\bibinfo{year}{2006}),
  \eprint{hep-ph/0607263}.

\bibitem[{\citenamefont{Arganda and Herrero}(2006)}]{Arganda:2005ji}
\bibinfo{author}{\bibfnamefont{E.}~\bibnamefont{Arganda}} \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{M.~J.} \bibnamefont{Herrero}},
  \bibinfo{journal}{Phys. Rev.} \textbf{\bibinfo{volume}{D73}},
  \bibinfo{pages}{055003} (\bibinfo{year}{2006}), \eprint{hep-ph/0510405}.

\bibitem[{\citenamefont{Paradisi}(2006)}]{Paradisi:2005tk}
\bibinfo{author}{\bibfnamefont{P.}~\bibnamefont{Paradisi}},
  \bibinfo{journal}{JHEP} \textbf{\bibinfo{volume}{02}}, \bibinfo{pages}{050}
  (\bibinfo{year}{2006}), \eprint{hep-ph/0508054}.

\bibitem[{\citenamefont{Raidal et~al.}(2008)}]{Raidal:2008jk}
\bibinfo{author}{\bibfnamefont{M.}~\bibnamefont{Raidal}} \bibnamefont{et~al.}
  (\bibinfo{year}{2008}), \eprint{arXiv:0801.1826 [hep-ph]}.

\bibitem[{\citenamefont{Cousins and Highland}(1992)}]{Cousins:1991qz}
\bibinfo{author}{\bibfnamefont{R.~D.} \bibnamefont{Cousins}} \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{V.~L.} \bibnamefont{Highland}},
  \bibinfo{journal}{Nucl. Instrum. Meth.} \textbf{\bibinfo{volume}{A320}},
  \bibinfo{pages}{331} (\bibinfo{year}{1992}).

\bibitem[{\citenamefont{Banerjee et~al.}(2007)\citenamefont{Banerjee, Pietrzyk,
  Roney, and Was}}]{Banerjee:2007is}
\bibinfo{author}{\bibfnamefont{S.}~\bibnamefont{Banerjee}},
  \bibinfo{author}{\bibfnamefont{B.}~\bibnamefont{Pietrzyk}},
  \bibinfo{author}{\bibfnamefont{J.~M.} \bibnamefont{Roney}}, \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{Z.}~\bibnamefont{Was}},
  \bibinfo{journal}{Phys. Rev. D (in press)}  (\bibinfo{year}{2007}),
  \bibinfo{note}{arXiv:0706.3235 [hep-ph]}, \eprint{arXiv:0706.3235 [hep-ph]}.

\bibitem[{\citenamefont{Aubert et~al.}(2005)}]{Aubert:2005ye}
\bibinfo{author}{\bibfnamefont{B.}~\bibnamefont{Aubert}} \bibnamefont{et~al.}
  (\bibinfo{collaboration}{\babar\ Collaboration}), \bibinfo{journal}{Phys.
  Rev. Lett.} \textbf{\bibinfo{volume}{95}}, \bibinfo{pages}{041802}
  (\bibinfo{year}{2005}), \eprint{hep-ex/0502032}.

\bibitem[{\citenamefont{Matsuzaki and Sanda}(2008)}]{Matsuzaki:2007hh}
\bibinfo{author}{\bibfnamefont{A.}~\bibnamefont{Matsuzaki}} \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{A.~I.} \bibnamefont{Sanda}},
  \bibinfo{journal}{Phys. Rev.} \textbf{\bibinfo{volume}{D77}},
  \bibinfo{pages}{073003} (\bibinfo{year}{2008}), \eprint{0711.0792}.

\bibitem[{\citenamefont{Aubert et~al.}(2006)}]{Aubert:2005wa}
\bibinfo{author}{\bibfnamefont{B.}~\bibnamefont{Aubert}} \bibnamefont{et~al.}
  (\bibinfo{collaboration}{\babar\ Collaboration}), \bibinfo{journal}{Phys.
  Rev. Lett.} \textbf{\bibinfo{volume}{96}}, \bibinfo{pages}{041801}
  (\bibinfo{year}{2006}), \eprint{hep-ex/0508012}.

\bibitem[{\citenamefont{Aubert et~al.}(2007)}]{:2007pw}
\bibinfo{author}{\bibfnamefont{B.}~\bibnamefont{Aubert}} \bibnamefont{et~al.}
  (\bibinfo{collaboration}{\babar\ Collaboration}), \bibinfo{journal}{Phys.
  Rev. Lett.} \textbf{\bibinfo{volume}{99}}, \bibinfo{pages}{251803}
  (\bibinfo{year}{2007}), \eprint{arXiv:0708.3650 [hep-ex]}.

\bibitem[{\citenamefont{Krawczyk and Pokorski}(1988)}]{Krawczyk:1987zj}
\bibinfo{author}{\bibfnamefont{P.}~\bibnamefont{Krawczyk}} \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{S.}~\bibnamefont{Pokorski}},
  \bibinfo{journal}{Phys. Rev. Lett.} \textbf{\bibinfo{volume}{60}},
  \bibinfo{pages}{182} (\bibinfo{year}{1988}).

\bibitem[{\citenamefont{Pich}(2006)}]{Pich:2006nt}
\bibinfo{author}{\bibfnamefont{A.}~\bibnamefont{Pich}}, \bibinfo{journal}{Int.
  J. Mod. Phys.} \textbf{\bibinfo{volume}{A21}}, \bibinfo{pages}{5652}
  (\bibinfo{year}{2006}), \eprint{hep-ph/0609138}.

\bibitem[{\citenamefont{Bona et~al.}(2007)}]{Bona:2007qt}
\bibinfo{author}{\bibfnamefont{M.}~\bibnamefont{Bona}} \bibnamefont{et~al.}
  (\bibinfo{year}{2007}), \eprint{arXiv:0709.0451 [hep-ex]}.

\bibitem[{\citenamefont{Lusiani}(2007)}]{Lusiani:2007cb}
\bibinfo{author}{\bibfnamefont{A.}~\bibnamefont{Lusiani}},
  \bibinfo{journal}{\href{http://pos.sissa.it//archive/conferences/046/054/KAO%
N_054.pdf}{PoS(KAON)054}}  (\bibinfo{year}{2007}), \eprint{arXiv:0709.1599
  [hep-ex]}.

\bibitem[{\citenamefont{Delepine et~al.}(2005)\citenamefont{Delepine,
  Lopez~Castro, and Lopez~Lozano}}]{Delepine:2005tw}
\bibinfo{author}{\bibfnamefont{D.}~\bibnamefont{Delepine}},
  \bibinfo{author}{\bibfnamefont{G.}~\bibnamefont{Lopez~Castro}},
  \bibnamefont{and} \bibinfo{author}{\bibfnamefont{L.~T.}
  \bibnamefont{Lopez~Lozano}}, \bibinfo{journal}{Phys. Rev.}
  \textbf{\bibinfo{volume}{D72}}, \bibinfo{pages}{033009}
  (\bibinfo{year}{2005}), \eprint{hep-ph/0503090}.

\bibitem[{\citenamefont{Bigi and Sanda}(2005)}]{Bigi:2005ts}
\bibinfo{author}{\bibfnamefont{I.~I.} \bibnamefont{Bigi}} \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{A.~I.} \bibnamefont{Sanda}},
  \bibinfo{journal}{Phys. Lett.} \textbf{\bibinfo{volume}{B625}},
  \bibinfo{pages}{47} (\bibinfo{year}{2005}), \eprint{hep-ph/0506037}.

\bibitem[{\citenamefont{Delepine et~al.}(2008)\citenamefont{Delepine, Faisel,
  and Khalil}}]{Delepine:2007qg}
\bibinfo{author}{\bibfnamefont{D.}~\bibnamefont{Delepine}},
  \bibinfo{author}{\bibfnamefont{G.}~\bibnamefont{Faisel}}, \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{S.}~\bibnamefont{Khalil}},
  \bibinfo{journal}{Phys. Rev.} \textbf{\bibinfo{volume}{D77}},
  \bibinfo{pages}{016003} (\bibinfo{year}{2008}), \eprint{arXiv:0710.1441
  [hep-ph]}.

\bibitem[{\citenamefont{Bonvicini et~al.}(2002)}]{Bonvicini:2001xz}
\bibinfo{author}{\bibfnamefont{G.}~\bibnamefont{Bonvicini}}
  \bibnamefont{et~al.} (\bibinfo{collaboration}{CLEO Collaboration}),
  \bibinfo{journal}{Phys. Rev. Lett.} \textbf{\bibinfo{volume}{88}},
  \bibinfo{pages}{111803} (\bibinfo{year}{2002}), \eprint{hep-ex/0111095}.

\bibitem[{\citenamefont{Barger et~al.}(1997)\citenamefont{Barger, Das, and
  Kao}}]{Barger:1996jc}
\bibinfo{author}{\bibfnamefont{V.~D.} \bibnamefont{Barger}},
  \bibinfo{author}{\bibfnamefont{A.~K.} \bibnamefont{Das}}, \bibnamefont{and}
  \bibinfo{author}{\bibfnamefont{C.}~\bibnamefont{Kao}},
  \bibinfo{journal}{Phys. Rev.} \textbf{\bibinfo{volume}{D55}},
  \bibinfo{pages}{7099} (\bibinfo{year}{1997}), \eprint{hep-ph/9611344}.

\bibitem[{\citenamefont{Gonzalez-Sprinberg
  et~al.}(2007)\citenamefont{Gonzalez-Sprinberg, Bernab\'eu, and
  Vidal}}]{GonzalezSprinberg:2007qj}
\bibinfo{author}{\bibfnamefont{G.~A.} \bibnamefont{Gonzalez-Sprinberg}},
  \bibinfo{author}{\bibfnamefont{J.}~\bibnamefont{Bernab\'eu}},
  \bibnamefont{and} \bibinfo{author}{\bibfnamefont{J.}~\bibnamefont{Vidal}}
  (\bibinfo{year}{2007}), \eprint{arXiv:0707.1658 [hep-ph]}.

\bibitem[{\citenamefont{Bernab\'eu et~al.}(2007)\citenamefont{Bernab\'eu,
  Gonzalez-Sprinberg, and Vidal}}]{Bernabeu:2006wf}
\bibinfo{author}{\bibfnamefont{J.}~\bibnamefont{Bernab\'eu}},
  \bibinfo{author}{\bibfnamefont{G.~A.} \bibnamefont{Gonzalez-Sprinberg}},
  \bibnamefont{and} \bibinfo{author}{\bibfnamefont{J.}~\bibnamefont{Vidal}},
  \bibinfo{journal}{Nucl. Phys.} \textbf{\bibinfo{volume}{B763}},
  \bibinfo{pages}{283} (\bibinfo{year}{2007}), \eprint{hep-ph/0610135}.

\bibitem[{\citenamefont{Schael et~al.}(2005)}]{Schael:2005am}
\bibinfo{author}{\bibfnamefont{S.}~\bibnamefont{Schael}} \bibnamefont{et~al.}
  (\bibinfo{collaboration}{ALEPH}), \bibinfo{journal}{Phys. Rept.}
  \textbf{\bibinfo{volume}{421}}, \bibinfo{pages}{191} (\bibinfo{year}{2005}),
  \eprint{hep-ex/0506072}.

\bibitem[{\citenamefont{Davier}(2007)}]{Davier:2008:babarIsrEffSyst}
\bibinfo{author}{\bibfnamefont{M.}~\bibnamefont{Davier}}
  (\bibinfo{year}{2007}), \bibinfo{note}{private communication}.

\bibitem[{\citenamefont{Jadach et~al.}(2000)\citenamefont{Jadach, Ward, and
  Was}}]{Jadach:1999vf}
\bibinfo{author}{\bibfnamefont{S.}~\bibnamefont{Jadach}},
  \bibinfo{author}{\bibfnamefont{B.~F.~L.} \bibnamefont{Ward}},
  \bibnamefont{and} \bibinfo{author}{\bibfnamefont{Z.}~\bibnamefont{Was}},
  \bibinfo{journal}{Comput. Phys. Commun.} \textbf{\bibinfo{volume}{130}},
  \bibinfo{pages}{260} (\bibinfo{year}{2000}), \eprint{hep-ph/9912214}.

\bibitem[{\citenamefont{Kuhn}(1995)}]{Kuhn:1995nn}
\bibinfo{author}{\bibfnamefont{J.~H.} \bibnamefont{Kuhn}},
  \bibinfo{journal}{Phys. Rev.} \textbf{\bibinfo{volume}{D52}},
  \bibinfo{pages}{3128} (\bibinfo{year}{1995}), \eprint{hep-ph/9505303}.

\bibitem[{\citenamefont{Inami et~al.}(2003)}]{Inami:2002ah}
\bibinfo{author}{\bibfnamefont{K.}~\bibnamefont{Inami}} \bibnamefont{et~al.}
  (\bibinfo{collaboration}{Belle}), \bibinfo{journal}{Phys. Lett.}
  \textbf{\bibinfo{volume}{B551}}, \bibinfo{pages}{16} (\bibinfo{year}{2003}),
  \eprint{hep-ex/0210066}.

\bibitem[{\citenamefont{Bernab\'eu et~al.}(2008)\citenamefont{Bernab\'eu,
  Gonzalez-Sprinberg, Papavassiliou, and Vidal}}]{Bernabeu:2007rr}
\bibinfo{author}{\bibfnamefont{J.}~\bibnamefont{Bernab\'eu}},
  \bibinfo{author}{\bibfnamefont{G.~A.} \bibnamefont{Gonzalez-Sprinberg}},
  \bibinfo{author}{\bibfnamefont{J.}~\bibnamefont{Papavassiliou}},
  \bibnamefont{and} \bibinfo{author}{\bibfnamefont{J.}~\bibnamefont{Vidal}},
  \bibinfo{journal}{Nucl. Phys.} \textbf{\bibinfo{volume}{B790}},
  \bibinfo{pages}{160} (\bibinfo{year}{2008}), \eprint{arXiv:0707.2496
  [hep-ph]}.

\end{thebibliography}
