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SUMMARY:Investigation of Flavored Dark Matter: From Laboratory to Telescop
 es
DTSTART:20260901T060000Z
DTEND:20260901T070000Z
DTSTAMP:20260906T074800Z
UID:indico-event-5252@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Sahabub Jahedi (South China Normal University (SCNU)
 )\n\nAbstract:In this talk\, I will present a comprehensive analysis of le
 pton flavor-violating (LFV) dark matter (DM) interactions within an effect
 ive field theory (EFT) framework\, covering both terrestrial and astrophys
 ical constraints. Working with leading-order effective leptophilic operato
 rs for three different flavor combinations (μ-e\, τ-e\, and τ-μ) and t
 he three canonical DM candidates (scalar\, fermion\, and vector)\, we deri
 ve constraints from multiple complementary channels. On the terrestrial si
 de\, we analyze the three-body decay li→lj+DM+DMli→lj+DM+DM to const
 rain the effective interactions\, and then we discuss muonium invisible de
 cay following the constraints from the μ-e flavor scenario. On the astrop
 hysical side\, we utilize photon and positron data from Fermi-LAT\, INTEGR
 AL\, XMM-Newton\, and AMS-02\, accounting for final-state radiation\, radi
 ative decay\, and inverse Compton scattering contributions in the context 
 of DM pair annihilation to different flavor charged leptons. These laborat
 ory and astrophysical searches are complementary to each other\, together 
 placing stringent constraints on flavor-violating effective interactions a
 cross the kinematically accessible parameter space.Speaker Bio:Dr. Sahabub
  Jahedi received his Ph.D. in 2024 from IIT Guwahati\, India. He is curren
 tly a postdoctoral researcher at the Institute of Quantum Matter\, South C
 hina Normal University. His research focuses on the post-inflationary prod
 uction of dark matter\, BSM phenomenology at colliders\, flavor-violating 
 dark matter phenomenology\, flavor physics\, primordial gravitational wave
 s\, and gravitational waves generated during the electroweak phase transit
 ion. His work explores how new physics beyond the Standard Model can accou
 nt for dark matter's origin and properties\, linking early-universe cosmol
 ogy and phase-transition dynamics with collider signatures to deepen our u
 nderstanding of fundamental particles and the universe's hidden matter con
 tent.Alternative online link: https://meeting.tencent.com/dm/dRJ8ehpvFOPo
 ID: 675637006 (No Password)\n\nhttps://indico-tdli.sjtu.edu.cn/event/525
 2/
LOCATION:Tsung-Dao Lee Institute/N6F-N601 - Meeting Room (Tsung-Dao Lee In
 stitute)
URL:https://indico-tdli.sjtu.edu.cn/event/5252/
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