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DTSTART:20250330T030000
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DTSTAMP:20251213T131446Z
UID:8AC7CA49-5A1C-4E06-A5D4-664C1211ABE9
DTSTART;TZID=Europe/Prague:20250311T140000
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DESCRIPTION:In this seminar I will discuss how dark-sectors and the axion-n
 eutrino connection can be the key in addressing the open problems in parti
 cle and astroparticle physics.\nIn the first part of the talk I will focus
  on the dark linear seesaw (Phys.Lett.B 843 (2023) 138012). We propose a n
 ovel neutrino mass generation framework where a dark sector\, containing v
 iable WIMP dark matter candidates\, generates small lepton number violatin
 g parameters triggering the low-scale linear seesaw mechanism. We study th
 e phenomenology regarding scalar dark matter and charged-lepton flavor-vio
 lation.\nThe second half of the presentation is about axion frameworks wit
 h color-mediated neutrino masses (Phys.Rev.Lett. 132 (2024) 5\, 051801 and
  arXiV: 2 501.13156 [hep-ph]). We propose a KSVZ-type axion framework in w
 hich vector-like quarks and colored scalars generate Majorana and Dirac ne
 utrino masses radiatively. The axion also accounts for the observed cosmol
 ogical dark matter. The framework predicts distinct axion-to-photon coupli
 ngs\, testable through haloscope and helioscope experiments\, as well as p
 otentially significant flavor-violating quark-axion interactions.\n\nHenri
 que Brito Câmara\n\nIEAP\, CTU in Prague\, Husova 240/5\, Prague\, Czech 
 Republic\, Czech Republic
LOCATION:IEAP\, CTU in Prague\, Husova 240/5\, Prague\, Czech Republic\, Cz
 ech Republic
ORGANIZER:andre.sopczak@cern.ch
SEQUENCE:4
SUMMARY:From Dark-Sectors to the Axion-Neutrino Connection
URL;VALUE=URI:https://events.vtools.ieee.org/m/522176
X-ALT-DESC:Description: <br /><p>In this seminar I will discuss how dark-se
 ctors and the axion-neutrino connection can be the key in addressing the o
 pen problems in particle and astroparticle physics. <br>In the first part 
 of the talk I will focus on the dark linear seesaw (Phys.Lett.B 843 (2023)
  138012). We propose a novel neutrino mass generation framework where a da
 rk sector\, containing viable WIMP dark matter candidates\, generates smal
 l lepton number violating parameters triggering the low-scale linear seesa
 w mechanism. We study the phenomenology regarding scalar dark matter and c
 harged-lepton flavor-violation. <br>The second half of the presentation is
  about axion frameworks with color-mediated neutrino masses (Phys.Rev.Lett
 . 132 (2024) 5\, 051801 and arXiV: 2 501.13156 [hep-ph]). We propose a KSV
 Z-type axion framework in which vector-like quarks and colored scalars gen
 erate Majorana and Dirac neutrino masses radiatively. The axion also accou
 nts for the observed cosmological dark matter. The framework predicts dist
 inct axion-to-photon couplings\, testable through haloscope and helioscope
  experiments\, as well as potentially significant flavor-violating quark-a
 xion interactions.</p>\n<p>Henrique Brito C&acirc\;mara</p>\n<p>&nbsp\;</p
 >
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