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<ID>2449</ID>
<category>DPyC SMF</category>
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<announcer>
 <user>
  <title>Dr.</title>
  <name first="Pablo" middle="" last="Roig"></name>
  <organization>Cinvestav</organization>
  <emailHash>ea481e58ca9c64e14d7982cb66bcd604</emailHash>
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</announcer>
<supportEmail caption="Support">xixmwpf_2025@googlegroups.com</supportEmail>
<title>XIX Mexican Workshop on Particles and Fields, 2025</title>
<description>&lt;p&gt;The Division of Particles and Fields of the Mexican Physical Society (DPyC-SMF) organizes every second year the Mexican Workshop on Particles and Fields (MWPF). This space is&amp;nbsp;designed to gather specialists in different areas of high-energy physics to discuss the latest developments in the field. This year, the meeting will be held at the Division de Ciencias e Ingenier&amp;iacute;as de la Universidad de&amp;nbsp;Guanajuato, in Le&amp;oacute;n, Guanajuato, M&amp;eacute;xico (20-24/10/2025).&lt;/p&gt;

&lt;p&gt;&lt;br /&gt;
&lt;strong&gt;Confirmed speakers&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;Antonio Ortiz (ALICE)&lt;br /&gt;
Sa&amp;uacute;l Ramos (String phenomenology)&lt;br /&gt;
Genaro Toledo (Hadron phenomenology)&lt;br /&gt;
Cristina Oropeza (CMS)&lt;br /&gt;
Lorenzo Diaz Cruz (BSM)&lt;br /&gt;
Luis Villase&amp;ntilde;or (Interactive Physics)&lt;br /&gt;
Luis Alberto Hern&amp;aacute;ndez Rosas (NICA)&lt;br /&gt;
Catalina Espinoza (BSM)&lt;br /&gt;
H&amp;eacute;ctor Novales S&amp;aacute;nchez (BSM)&lt;br /&gt;
Karen Caballero (Pierre-Auger)&lt;br /&gt;
Pedro Podesta (Belle-Il)&lt;br /&gt;
Myriam Mondrag&amp;oacute;n (BSM)&lt;br /&gt;
Edgar Valencia-Rodr&amp;iacute;guez (DUNE)&lt;br /&gt;
Maura Ram&amp;iacute;rez (Dark matter)&lt;/p&gt;

&lt;p&gt;&lt;img alt="" src="https://www.facebook.com/photo/?fbid=1075105774673083&amp;amp;set=a.409569754560025&amp;amp;locale=es_LA" /&gt;&lt;/p&gt;
</description>
<participants></participants>
<closed>False</closed>
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 <name></name>
 <address>DCI, León, México</address>
 <room></room>
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<startDate>2025-10-20T08:30:00</startDate>
<endDate>2025-10-24T18:45:00</endDate>
<creationDate>2025-07-12T01:56:27</creationDate>
<modificationDate>2025-10-28T21:06:39</modificationDate>
<timezone>Mexico/General</timezone>
<chair>
 <user>
  <title>Dr.</title>
  <name first="Pablo" middle="" last="Roig"></name>
  <organization>Cinvestav</organization>
  <emailHash>3cd3ab69a079e614c15e4c750e7d3d60</emailHash>
 </user>
 <user>
  <title>Dr.</title>
  <name first="Juan" middle="" last="Barranco"></name>
  <organization>DCI Universidad de Guanajuato</organization>
  <emailHash>aa33cdca78038e4796e39b6e7f764a38</emailHash>
 </user>
 <user>
  <title>Prof.</title>
  <name first="Isabel" middle="" last="Pedraza"></name>
  <organization>Benemérita Universidad Autónoma de Puebla</organization>
  <emailHash>65efd11437264d48aa1f7486255a57bc</emailHash>
 </user>
 <user>
  <title>Dr.</title>
  <name first="Humberto" middle="" last="Maury Cuna"></name>
  <organization>Universidad de Guanajuato</organization>
  <emailHash>0bba80e6b6d806cda49089f089616ab2</emailHash>
 </user>
 <user>
  <title>Dr.</title>
  <name first="Haydee" middle="" last="Hernandez-Arellano"></name>
  <organization>BUAP</organization>
  <emailHash>5848375cb8b0db28e94350f19dcb744f</emailHash>
 </user>
 <user>
  <title>Dr.</title>
  <name first="Carlos Alberto" middle="" last="Vaquera Araujo"></name>
  <organization>CONACYT/DCI-UG</organization>
  <emailHash>2a83ae257b3cf0ba67dba226ffa866bf</emailHash>
 </user>
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  <name>Plenary Talk</name>
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 <title>From top-down to bottom up: The rôle of symmetries in some extensions of the Standard Model</title>
 <speakers>
  <user>
   <title>Dr.</title>
   <name first="Myriam" middle="" last="Mondragon Ceballos"></name>
   <organization>Instituto de Fisica, UNAM</organization>
   <emailHash>ccdabd182a8890b607e31f4424c79212</emailHash>
  </user>
 </speakers>
 <location>
  <name>Auditorio Edificio B</name>
  <address></address>
  <room></room>
 </location>
 <startDate>2025-10-21T09:00:00</startDate>
 <endDate>2025-10-21T10:00:00</endDate>
 <duration>01:00</duration>
 <abstract>In this talk we give an overview of some work on Standard Model extensions, with emphasis on the rôle of symmetries in understanding the masses and mixing in quarks and leptons.  In top down models, we explain how the method of reduction of couplings leads to finite theories, which exhibit scale invariance, and point to underlying symmetries at the unification scale, relating the gauge and Yukawa couplings, thus rendering very predictive theories.  In the bottom up approach, we follow a phenomenological approach to propose possible flavor symmetries at low energies in multi-Higgs SM extensions, to explain the observed mixing patterns in quarks and leptons.  A possible path on how to connect both approaches is then  proposed.</abstract>
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