<?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>S0035-001X2008000900016</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Neutrino masses and neutrinoless double-beta decay]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pavan]]></surname>
<given-names><![CDATA[Maura]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Università di Milano Dipartimento di Fisica ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Italy</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2008</year>
</pub-date>
<volume>54</volume>
<fpage>99</fpage>
<lpage>103</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2008000900016&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2008000900016&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2008000900016&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[The potentialities of Double Beta Decay experiments in the field of neutrino study are here discussed. Sensitivity and results are compared with the information coming from oscillation, cosmology and beta decay measurements.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se discuten las potencialidades de experimentos decaimiento doble-beta en el área de física de neutrinos. Se comparen las sensibilidades y los resultados con la información de oscilaciones de neutrinos, cosmología y mediciones de decaimiento beta.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Double-beta decay]]></kwd>
<kwd lng="en"><![CDATA[neutrino masses]]></kwd>
<kwd lng="en"><![CDATA[Majorana neutrino]]></kwd>
<kwd lng="es"><![CDATA[Decaimiento doble-beta]]></kwd>
<kwd lng="es"><![CDATA[masas de neutrinos]]></kwd>
<kwd lng="es"><![CDATA[neutrino de Majorana]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="center"><font face="verdana" size="4"><b>Neutrino masses and neutrinoless double&#150;beta decay</b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>Maura Pavan</b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><i>Dipartimento di Fisica dell'Universit&agrave; di Milano, Bicocca and sezione INFN di Milano Bicocca, Italy.</i></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">Recibido el 13 de abril de 2008    <br> Aceptado el 23 de junio de 2008</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>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">The potentialities of Double Beta Decay experiments in the field of neutrino study are here discussed. Sensitivity and results are compared with the information coming from oscillation, cosmology and beta decay measurements.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Keywords: </b>Double&#150;beta decay; neutrino masses; Majorana neutrino.</font></p>     <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 discuten las potencialidades de experimentos decaimiento doble&#150;beta en el &aacute;rea de f&iacute;sica de neutrinos. Se comparen las sensibilidades y los resultados con la informaci&oacute;n de oscilaciones de neutrinos, cosmolog&iacute;a y mediciones de decaimiento beta.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Descriptores: </b>Decaimiento doble&#150;beta; masas de neutrinos; neutrino de Majorana.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">PACS: 29.40; 23.40.&#150;s</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><a href="/pdf/rmf/v54s3/v54s3a16.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p>     ]]></body>
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