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<category>DPyC SMF</category>
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  <title>Dr.</title>
  <name first="Pablo" middle="" last="Roig"></name>
  <organization>Cinvestav</organization>
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<title>XXI Mexican School on Particles and Fields 2026</title>
<description>&lt;p style="text-align:justify"&gt;The &lt;strong&gt;XXI Mexican School on Particles and Fields&lt;/strong&gt; takes place from &lt;strong&gt;October 19th to 23rd, 2026&lt;/strong&gt;, in the city of Puebla, Puebla, M&amp;eacute;xico. The format of the school is&amp;nbsp;such that the morning sessions are devoted to theoretical and experimental reviews, whereas parallel thematic sessions shall be held in the afternoons. All the reviews and seminars are delivered by experts of international prestige on subjects which are of current interest to the global scientific community and are also actively pursued within M&amp;eacute;xico. ​&lt;/p&gt;

&lt;p style="text-align:justify"&gt;In order to equip graduate students and attending postdocs with the necessary tools to perform fully in the school, courses of interest are taught, with English being the language of instruction. An informal and friendly atmosphere is encouraged during the courses so that the students can overcome their inhibitions and actively participate in the discussions. ​&lt;/p&gt;

&lt;p style="text-align:justify"&gt;&lt;em&gt;&lt;u&gt;&lt;strong&gt;Organizing Committee&lt;/strong&gt;&lt;/u&gt;&lt;/em&gt;&lt;/p&gt;

&lt;p style="text-align:justify"&gt;Dr. Isabel Pedraza Morales (President DPyC-SMF) [BUAP]&lt;br /&gt;
Dr. Humberto G. Maury Cuna (Vice-President DPyC-SMF)&amp;nbsp;[UGTO]&lt;/p&gt;

&lt;p style="text-align:justify"&gt;&lt;em&gt;&lt;u&gt;&lt;strong&gt;Local Organizing Committee&lt;/strong&gt;&lt;/u&gt;&lt;/em&gt;&lt;/p&gt;

&lt;p style="text-align:justify"&gt;Dr. Haydee Hern&amp;aacute;ndez [BUAP]&lt;br /&gt;
Dr. Arturo Fern&amp;aacute;ndez [BUAP]&lt;br /&gt;
Dr. Humberto Salazar [BUAP]&lt;br /&gt;
Dr. Olga F&amp;eacute;lix Beltr&amp;aacute;n [BUAP]&lt;/p&gt;
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 <name>Puebla</name>
 <address>1. Edificio Carolino, Calle 4 Sur 104, Centro, Puebla, Puebla.
2. Ciudad Universitaria 2, Calle Heberto Rodríguez N°119, Colonia San Antonio Toluquilla, C.P. 72960, San Pedro Zacachimalpa, Puebla</address>
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<startDate>2026-10-19T07:30:00</startDate>
<endDate>2026-10-23T19:30:00</endDate>
<creationDate>2026-07-01T10:52:23</creationDate>
<modificationDate>2026-10-30T16:10:28</modificationDate>
<timezone>Mexico/General</timezone>
<chair>
 <user>
  <title>Prof.</title>
  <name first="Isabel" middle="" last="Pedraza"></name>
  <organization>Benemérita Universidad Autónoma de Puebla</organization>
  <emailHash>65efd11437264d48aa1f7486255a57bc</emailHash>
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  <title>Dr.</title>
  <name first="Humberto" middle="" last="Maury Cuna"></name>
  <organization>Universidad de Guanajuato</organization>
  <emailHash>0bba80e6b6d806cda49089f089616ab2</emailHash>
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  <title>Dr.</title>
  <name first="Haydee" middle="" last="Hernandez-Arellano"></name>
  <organization>BUAP</organization>
  <emailHash>5848375cb8b0db28e94350f19dcb744f</emailHash>
 </user>
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  <title>Dr.</title>
  <name first="Beltran" middle="" last="Felix"></name>
  <organization>Benemerita Universidad Autonoma de Puebla</organization>
  <emailHash>398909c50ebb53abfbd6c5540e4e5066</emailHash>
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 <title>Higgs decay into invisible particles</title>
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   <title>Mr.</title>
   <name first="Zecua Hernández" middle="" last="Angel Eduardo"></name>
   <organization>BUAP</organization>
   <emailHash>f3fa37cf7a199afe39e1ccd2ae766271</emailHash>
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   <title>Mr.</title>
   <name first="Zecua Hernández" middle="" last="Angel Eduardo"></name>
   <organization>BUAP</organization>
   <emailHash>f3fa37cf7a199afe39e1ccd2ae766271</emailHash>
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   <title>Dr.</title>
   <name first="Gilberto" middle="" last="Tavares Velasco"></name>
   <organization>BUAP</organization>
   <emailHash>76e2afa795bbf43ae7c31c60d3a82fd3</emailHash>
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 <location>
  <name>Puebla</name>
  <address>1. Edificio Carolino, Calle 4 Sur 104, Centro, Puebla, Puebla.
2. Ciudad Universitaria 2, Calle Heberto Rodríguez N°119, Colonia San Antonio Toluquilla, C.P. 72960, San Pedro Zacachimalpa, Puebla</address>
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 <startDate>2026-10-23T16:50:00</startDate>
 <endDate>2026-10-23T17:00:00</endDate>
 <duration>00:10</duration>
 <abstract>This work investigates Higgs boson decays into invisible particles within extensions of the Standard Model featuring a new (U_D(1)) gauge symmetry associated with a massless dark photon. Two theoretical frameworks are considered: one involving fermionic mediators and another involving scalar mediators. Using one-loop amplitude calculations, several decay channels are studied, and their viability is assessed through experimental constraints and perturbativity requirements. The results show that the scalar mediator model can yield a larger branching ratio for (h\to AA') than the fermionic model, highlighting the potential of these processes as probes of new physics beyond the Standard Model.</abstract>
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