<?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>S0035-001X2008000700004</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Working out the position resolution on large scintillating detectors, through the "light attenuation method"]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Huerta]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerrero]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Curiel]]></surname>
<given-names><![CDATA[Q]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Huelgas S]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodriguez]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Favela]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marín]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz]]></surname>
<given-names><![CDATA[M.E]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barrón]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chávez]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Murillo]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Policroniades]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Varela]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Física ]]></institution>
<addr-line><![CDATA[México D.F.]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Instituto Nacional de Investigaciones Nucleares Laboratorio del Acelerador ]]></institution>
<addr-line><![CDATA[México D.F.]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2008</year>
</pub-date>
<volume>54</volume>
<fpage>9</fpage>
<lpage>12</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2008000700004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2008000700004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2008000700004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[In this work we present the results of the application of the "light attenuation" method to extract position information out of a large bidimensional scintillating plate, to be used as a neutron detector.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[En este trabajo se detalla el método de extracción de la información en posición para la detección de neutrones por una placa bidimensional grande de material centelleador por atenuacion de luz.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Neutron spectroscopy]]></kwd>
<kwd lng="en"><![CDATA[scintillation detectors]]></kwd>
<kwd lng="en"><![CDATA[elastic neutron scattering]]></kwd>
<kwd lng="es"><![CDATA[Espectroscopía de Neutrones]]></kwd>
<kwd lng="es"><![CDATA[detectores de centelleo]]></kwd>
<kwd lng="es"><![CDATA[dispersion elástica]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="center"><font face="verdana" size="4"><b>Working out the position resolution on large scintillating detectors, through the "light attenuation method"</b></font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>A. Huerta&ordf;, R. Guerrero&ordf;, Q. Curiel&ordf;, J. Huelgas S.&ordf;, P. Rodriguez&ordf;, F. Favela&ordf;, D. Mar&iacute;n&ordf;, M.E. Ortiz&ordf;, L. Barr&oacute;n&ordf;, and E. Ch&aacute;vez&ordf;, E. Moreno<sup>b</sup>, G. Murillo<sup>b</sup>, R. Policroniades<sup>b</sup> and A. Varela<sup>b</sup></b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><i>&ordf; Instituto de F&iacute;sica, Universidad Nacional Aut&oacute;noma de M&eacute;xico, M&eacute;xico D.F. 04510.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>b </sup>Laboratorio del Acelerador, Instituto Nacional de Investigaciones Nucleares, Apartado Postal 18&#150;1027, M&eacute;xico, D.F., M&eacute;xico.</i></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">Recibido el 14 de mayo de 2007    <br> Aceptado el 26 de octubre de 2007</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><b>Abstract</b></font></p>     <p align="justify"><font face="verdana" size="2">In this work we present the results of the application of the "light attenuation" method to extract position information out of a large bidimensional scintillating plate, to be used as a neutron detector.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Keywords: </b>Neutron spectroscopy; scintillation detectors; elastic neutron scattering.</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">En este trabajo se detalla el m&eacute;todo de extracci&oacute;n de la informaci&oacute;n en posici&oacute;n para la detecci&oacute;n de neutrones por una placa bidimensional grande de material centelleador por atenuacion de luz.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Descriptores:</b> Espectroscop&iacute;a de Neutrones; detectores de centelleo; dispersion el&aacute;stica. </font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">PACS: 29.30.Hs; 29.40.Mc; 25.40.Dn</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><a href="/pdf/rmf/v54s1/v54s1a4.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>Acknowledgements</b></font></p>     <p align="justify"><font face="verdana" size="2">This work was supported in part by CONACYT (contracts 1103&#150;E9102, F036&#150;E9109 and G0010&#150;E) and DGAPA&#150;UNAM (IN114896 and IN&#150;117306). Authors wish to thank suggestions and fruitful discussion with Professor V. Grabski.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Reference</b></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">1. A. Frank, P. Van Isacker, J. G&oacute;mez&#150;Camacho, <i>Phys. Lett. B </i><b>582 </b>(2004) 15.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8348570&pid=S0035-001X200800070000400001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">2. J.B. Marion and J.L. Fowler, <i>Fast neutron physics, </i>Interscience Publishers, (New York&#150;London 1963).</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8348571&pid=S0035-001X200800070000400002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">3. R. Policroniades <i>et al., Rev. Mex. F&iacute;s. S </i><b>53 (3)</b> (2007) 74.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8348572&pid=S0035-001X200800070000400003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">4. E. Ch&aacute;vez <i>et al., Rev. Mex. F&iacute;s., </i>to be published.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8348573&pid=S0035-001X200800070000400004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">5. F.D. Brooksan and H. Kleinb, <i>Nucl. Inst. Meth. A </i><b>476 </b>(2002) 1.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8348574&pid=S0035-001X200800070000400005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">6. R. Cherubini, G. Moschini, R. Nino, R. Policroniades, and A. Varela, <i>Nucl. Instr. and Meth. A </i><b>269 </b>(1988) 623.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8348575&pid=S0035-001X200800070000400006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">7. 7th International Conference on Position Sensitive Detectors September 2005 University of Liverpool.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8348576&pid=S0035-001X200800070000400007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">8. Bicron, <i>Saint Gobain's web page: </i><a href="http://www.bicron.com/" target="_blank">www.bicron.com</a></font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8348577&pid=S0035-001X200800070000400008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">9. G.F. Knoll, <i>Radiation Detection and Measurement, </i>J. Wiley and Sons, (1978).</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8348578&pid=S0035-001X200800070000400009&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">10. A.   Huerta  H.   Thesis   <i>Un  sistema  de   adquisicion  multiparametrico y el estudio de las reacciones del tipo (&#945; , n), </i>Facultad de Ciencias UNAM (March 1998).</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8348579&pid=S0035-001X200800070000400010&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">11. E. Ch&aacute;vez L. <i>et al., Mex. Nucl. </i><b>3&#150;1</b> (2002) 9.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8348580&pid=S0035-001X200800070000400011&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">12. R. Monroy <i>et al., Proceedings Int. Conf., AIP </i><b>726 </b>(2004) 237.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8348581&pid=S0035-001X200800070000400012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> ]]></body><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Frank]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Van Isacker]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez-Camacho]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Phys. Lett. B]]></source>
<year>2004</year>
<numero>582</numero>
<issue>582</issue>
<page-range>15</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marion]]></surname>
<given-names><![CDATA[J.B]]></given-names>
</name>
<name>
<surname><![CDATA[Fowler]]></surname>
<given-names><![CDATA[J.L]]></given-names>
</name>
</person-group>
<source><![CDATA[Fast neutron physics]]></source>
<year>1963</year>
<publisher-loc><![CDATA[New YorkLondon ]]></publisher-loc>
<publisher-name><![CDATA[Interscience Publishers]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Policroniades]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<source><![CDATA[Rev. Mex. Fís]]></source>
<year>2007</year>
<volume>S 53</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>74</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chávez]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<source><![CDATA[Rev. Mex. Fís]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brooksan]]></surname>
<given-names><![CDATA[F.D]]></given-names>
</name>
<name>
<surname><![CDATA[Kleinb]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<source><![CDATA[Nucl. Inst. Meth. A]]></source>
<year>2002</year>
<numero>476</numero>
<issue>476</issue>
<page-range>1</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cherubini]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Moschini]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Nino]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Policroniades]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Varela]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Nucl. Instr. and Meth. A]]></source>
<year>1988</year>
<numero>269</numero>
<issue>269</issue>
<page-range>623</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="confpro">
<source><![CDATA[]]></source>
<year></year>
<conf-name><![CDATA[ 7th International Conference on Position Sensitive Detectors]]></conf-name>
<conf-date>2005</conf-date>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="">
<collab>Bicron</collab>
<source><![CDATA[Saint Gobain's]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Knoll]]></surname>
<given-names><![CDATA[G.F]]></given-names>
</name>
</person-group>
<source><![CDATA[Radiation Detection and Measurement]]></source>
<year>1978</year>
<publisher-name><![CDATA[J. Wiley and Sons]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Huerta H]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Un sistema de adquisicion multiparametrico y el estudio de las reacciones del tipo (&#945; , n)]]></source>
<year>1998</year>
<publisher-name><![CDATA[Facultad de Ciencias UNAM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chávez L]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<source><![CDATA[Mex. Nucl]]></source>
<year>2002</year>
<numero>3-1</numero>
<issue>3-1</issue>
<page-range>9</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Monroy]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<source><![CDATA[]]></source>
<year>2004</year>
<volume>726</volume>
<conf-name><![CDATA[ Proceedings Int. Conf]]></conf-name>
<conf-loc> </conf-loc>
<page-range>237</page-range><publisher-name><![CDATA[AIP]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
