<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0035-001X</journal-id>
<journal-title><![CDATA[Revista mexicana de física]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fis.]]></abbrev-journal-title>
<issn>0035-001X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Física]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-001X2007000400011</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Decaimientos del meson B en K0* <img src="/img/revistas/rmf/v53n4/a11s4.jpg">, F0&#954;]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendoza S]]></surname>
<given-names><![CDATA[J.A]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[A. Ramírez]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad de Pamplona Escuela de Física Depto. de Física-Geología]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2007</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2007</year>
</pub-date>
<volume>53</volume>
<numero>4</numero>
<fpage>307</fpage>
<lpage>313</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2007000400011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2007000400011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2007000400011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se calculan las fracciones de decaimiento para los procesos B <img border=0 src="../../../../../img/revistas/rmf/v53n4/a11s1.jpg">K0* <img src="../../../../../img/revistas/rmf/v53n4/a11s4.jpg"> y B <img border=0 src="../../../../../img/revistas/rmf/v53n4/a11s1.jpg">f0K, usando la aproximación 'Factorization Naive (NFA)'. Incluimos las contribuciones del operador dipolar pinguino <img border=0 src="../../../../../img/revistas/rmf/v53n4/a11s2.jpg">11 y considerando los mesones escalares como estados ligados <img border=0 src="../../../../../img/revistas/rmf/v53n4/a11s3.jpg">. Comparamos nuestros resultados de manera favorable con los datos experimentales disponibles.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[We calculate the branching ratios for the decays B <img border=0 src="../../../../../img/revistas/rmf/v53n4/a11s1.jpg">K0* <img src="../../../../../img/revistas/rmf/v53n4/a11s4.jpg"> and B <img border=0 src="../../../../../img/revistas/rmf/v53n4/a11s1.jpg">f0K, in the 'Naive Factorization (NFA) 'approximation, The dipole penguin operator <img border=0 src="../../../../../img/revistas/rmf/v53n4/a11s2.jpg">11 contributions are included and the scalar mesons are considered as <img border=0 src="../../../../../img/revistas/rmf/v53n4/a11s3.jpg">bounded states. We compare, favorably our results with the experimental available data.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Factorización]]></kwd>
<kwd lng="es"><![CDATA[pingüino]]></kwd>
<kwd lng="es"><![CDATA[asimetrías]]></kwd>
<kwd lng="en"><![CDATA[Factorization]]></kwd>
<kwd lng="en"><![CDATA[penguin]]></kwd>
<kwd lng="en"><![CDATA[asymmetries]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="justify"><font face="verdana" size="4"><b>Investigaci&oacute;n</b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="4"><b>Decaimientos del meson B en <i>K</i><sub>0</sub><i><sub><sup>*</sup></sub> <img src="/img/revistas/rmf/v53n4/a11s4.jpg">, F</i><sub>0</sub><i>&kappa;</i></b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>J.A. Mendoza S. y C.A. Ram&iacute;rez </b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><i>Depto. de F&iacute;sica&#150;Geolog&iacute;a,    Universidad de Pamplona, </i><i>Pamplona, Norte de Santander, Colombia, Escuela    de F&iacute;sica, Universidad Industrial de Santander, A.A. 678, Bucaramanga,    Colombia, e&#150;mail: <a href="mailto:jairoam@unipamplona.edu.co">jairoam@unipamplona.edu.co</a>,    <a href="mailto:jpjdramirez@yahoo.com">jpjdramirez@yahoo.com</a></i></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">Recibido el 9 de mayo de 2007    <br> Aceptado el 28 de junio de 2007</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Resumen</b></font></p>     <p align="justify"><font face="verdana" size="2">Se calculan las fracciones de decaimiento para los procesos <i>B </i><img src="/img/revistas/rmf/v53n4/a11s1.jpg"> <i>K</i><sub>0</sub><i><sub><sup>*</sup></sub> </i></font><font face="verdana" size="4"><b><i><img src="../img/a11s4.jpg"></i></b></font><font face="verdana" size="2"><i> </i>y <i>B <img src="/img/revistas/rmf/v53n4/a11s1.jpg"></i> <i>f</i><sub>0</sub><i>K, </i>usando la aproximaci&oacute;n 'Factorization Naive (NFA)'. Incluimos las contribuciones del operador dipolar pinguino <img src="/img/revistas/rmf/v53n4/a11s2.jpg"><sub>11</sub> y considerando los mesones escalares como estados ligados <i><img src="/img/revistas/rmf/v53n4/a11s3.jpg">. </i>Comparamos nuestros resultados de manera favorable con los datos experimentales disponibles.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Descriptores: </b>Factorizaci&oacute;n; ping&uuml;ino; asimetr&iacute;as.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Abstract</b></font></p>     <p align="justify"><font face="verdana" size="2">We calculate the branching ratios for the decays <i><i>B </i><img src="/img/revistas/rmf/v53n4/a11s1.jpg"> <i>K</i><sub>0</sub><i><sub><sup>*</sup></sub> </i></i></font><font face="verdana" size="4"><b><i><img src="../img/a11s4.jpg"></i></b></font><font face="verdana" size="2"><i> and <i>B <img src="/img/revistas/rmf/v53n4/a11s1.jpg"></i> <i>f</i><sub>0</sub><i>K</i>, </i>in the 'Naive Factorization (NFA) 'approximation, The dipole penguin operator <img src="/img/revistas/rmf/v53n4/a11s2.jpg"><sub>11</sub> contributions are included and the scalar mesons are considered as <img src="/img/revistas/rmf/v53n4/a11s3.jpg"> bounded states. We compare, favorably our results with the experimental available data.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Keywords: </b>Factorization; penguin; asymmetries.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">PACS:   10; 13.25.Hw</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><a href="/pdf/rmf/v53n4/v53n4a11.pdf">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a> </font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Agradecimientos</b></font></p>     <p align="justify"><font face="verdana" size="2">Los autores expresan su agradecimiento al Instituto de F&iacute;sica de la Universidad de Guanajuato IFUG, a los doctores Jos&eacute; Luis Lucio y David Delepine por su hospitalidad y por las discusiones que de una u otra manera han contribuido al desarrollo del presente trabajo. </font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Referencias</b></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">1. F.E.   Close   y   N.A.   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