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<category>DPyC SMF</category>
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<announcer>
 <user>
  <title>Dr.</title>
  <name first="Pablo" middle="" last="Roig"></name>
  <organization>Cinvestav</organization>
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<title>RADPyC2026</title>
<description>The Division of Particles and Fields of the Mexican Physical Society (DPyC-SMF) organizes every year the Annual Meeting (RADPyC). This space is dedicated mainly for the exposure of results of graduate students and young researchers working in high energy physics and includes some review talks on the hot topics of the field. This year the meeting will be held in Auditorio José Ádem, Cinvestav, Mexico City, México. The scientific programme will consist of invited and contributed talks, and a poster session. It will begin in the morning of Wednesday 17 June and end before lunch on Friday 19 June.

We will have the following invited talks:
 
- Ana Colmenero, HAWC (UMSNH)

- Jens Erler, The EW SM and constraints on NP (Mainz, PRISMA)

- Iván Martínez Soler, Neutrino physics (Durham Univ.)

- Cristina Oropeza, CMS (Ibero)

- Antonio Ortiz, ALICE (ICN-UNAM)

- Gabriel Palacios, Accelerator physics (UNAM)

- Antonio Pich, Flavor physics (IFIC)

- Pedro Podesta, Belle-II (UAS)

- Selomit Ramírez, QCD, Loop Tree Duality, Quantum Computing (UAS)

- Saúl Ramos, Flavor physics from a top-down perspective (IF-UNAM)

- Alfredo Raya, NICA (UMSNH)

- Eric Vázquez, DM-neutrinos (exp.) (IF-UNAM)


The whole event can be followed by Zoom:

https://us02web.zoom.us/j/85815121456?pwd=t1JWdqhgarEQRyewmXIEzNlkIcqU8a.1

(858 1512 1456 &amp; 044752).

Due to recent internet security problems at Cinvestav it will NOT be broadcasted via the DPyC facebook account (facebook is currently blocked on our premises).</description>
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<startDate>2026-06-17T09:00:00</startDate>
<endDate>2026-06-19T14:30:00</endDate>
<creationDate>2026-03-23T09:50:55</creationDate>
<modificationDate>2026-06-19T17:51:55</modificationDate>
<timezone>Mexico/General</timezone>
<chair>
 <user>
  <title>Dr.</title>
  <name first="Gabriel" middle="" last="Lopez Castro"></name>
  <organization>cinvestav</organization>
  <emailHash>f09241183e84638d226a8885656239cd</emailHash>
 </user>
 <user>
  <title>Dr.</title>
  <name first="Omar" middle="" last="Miranda"></name>
  <organization>Cinvestav</organization>
  <emailHash>6be00aeecce15d4b2547496f45352003</emailHash>
 </user>
 <user>
  <title>Prof.</title>
  <name first="Eduard" middle="" last="De La Cruz Burelo"></name>
  <organization>CINVESTAV-IPN Mexico</organization>
  <emailHash>207484e6583dd9c0c1af2f52ce04fdd8</emailHash>
 </user>
 <user>
  <title>Dr.</title>
  <name first="Pablo" middle="" last="Roig"></name>
  <organization>Cinvestav</organization>
  <emailHash>ea481e58ca9c64e14d7982cb66bcd604</emailHash>
 </user>
 <user>
  <title>Dr.</title>
  <name first="Pablo" middle="" last="Roig"></name>
  <organization>Cinvestav</organization>
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  <title>Dr.</title>
  <name first="Haydee" middle="" last="Hernandez-Arellano"></name>
  <organization>BUAP</organization>
  <emailHash>5848375cb8b0db28e94350f19dcb744f</emailHash>
 </user>
 <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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</chair>
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 <title>Flavor-Changing Neutral Scalar contributions to $B^0_s\rightarrow \mu^+ \mu^-$ in a CP-Violating Two-Higgs-Doublet Model</title>
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   <title>Mr.</title>
   <name first="Oscar" middle="" last="Teniente Ornelas"></name>
   <organization>UNAM</organization>
   <emailHash>5ce13101afe07bb9969c7a4cc81b3b6e</emailHash>
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   <title>Mr.</title>
   <name first="Oscar" middle="" last="Teniente Ornelas"></name>
   <organization>UNAM</organization>
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 <coAuthors>
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   <title></title>
   <name first="Estela" middle="" last="Garcés"></name>
   <organization>FESC UNAM</organization>
   <emailHash>8f02b271ce41d21c59444a1357822902</emailHash>
  </user>
  <user>
   <title>Dr.</title>
   <name first="jose halim" middle="" last="montes de oca yemha"></name>
   <organization>unam</organization>
   <emailHash>08bb65e1f21ef2673821c4f1f48e1c23</emailHash>
  </user>
  <user>
   <title>Ms.</title>
   <name first="Brenda" middle="" last="Pérez Galicia"></name>
   <organization>UNAM</organization>
   <emailHash>6a994b4ed0cf496e9958603ba84f1285</emailHash>
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 </coAuthors>
 <duration>00:15</duration>
 <abstract>The rare decay $B^0_s\rightarrow \mu^+ \mu^-$ provides a powerful probe of physics beyond the Standard Model due to its strong suppression and sensitivity to flavor-changing neutral current interactions. In this work, we analyze this process in a CP-violating Two-Higgs-Doublet Model with a general Yukawa structure. The most general scalar potential is considered, leading to mixing among the neutral scalar states and resulting in physical Higgs bosons with mixed CP properties. The general Yukawa sector gives rise to flavor-changing neutral scalar interactions at tree level. We derive the corresponding contributions to the branching ratio of $B^0_s\rightarrow \mu^+ \mu^-$ and investigate their dependence on the scalar mixing angles and Yukawa couplings.</abstract>
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