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SUMMARY:Dark Matter Detection from a Multi-Messenger Perspective
DTSTART:20261105T030000Z
DTEND:20261105T040000Z
DTSTAMP:20261113T145900Z
UID:indico-event-5413@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Hong-Bo Jin（金洪波） (the National Astronomica
 l Observatories of the Chinese Academy of Sciences)\n\nAbstract:\nAs funda
 mental electromagnetic interactions\, radio waves\, X-rays\, and gamma ray
 s serve as crucial messengers for observing cosmic objects\, underpinning 
 most current astrophysical research. The detection of high-energy cosmic r
 ays—including neutrinos—involves not only electromagnetic processes bu
 t also weak and strong interactions. Excess positrons from cosmic rays pro
 vide evidence supporting dark matter theories\, suggesting it might consis
 t of weakly interacting massive particles (WIMPs). The concept of dark mat
 ter first emerged from anomalies in galaxy rotation curves observed throug
 h visible light. The 2016 LIGO detection revolutionized astrophysics\, est
 ablishing gravitational waves as key indicators for cosmic structure analy
 sis. Recent observations (O1-O4) have recorded over 300 gravitational wave
  events\, predominantly binary black hole mergers with mass ratios ranging
  from several to tens. Black hole images are reconstructed through Very Lo
 ng Baseline Interferometry (VLBI) radio observations. These findings heral
 d an era of multi-messenger studies across all four fundamental interactio
 ns. For binary black hole systems with moderate mass ratios in dark matter
 -rich environments\, gravitational waves exhibit distinct waveform charact
 eristics influenced by dark matter. Our analysis reveals that gravitationa
 l wave frequency peaks correlate approximately linearly with dark matter d
 ensity exponents\, yielding computational expressions that enable rapid da
 rk matter detection through future gravitational wave observations.\nBiogr
 aphy:\nHong-Bo Jin is an associate researcher at the National Astronomical
  Observatories of the Chinese Academy of Sciences\, a member of LVK Collab
 oration \, and a member of the scientific committee of KAGRA. He is engage
 d in data analysis and theoretical research related to dark matter\, cosmi
 c rays\, and gravitational waves. His projects include the China Space Gra
 vitational Wave Detection "Taiji Program\," the China Dark Matter Detectio
 n Satellite Experiment\, the AMS-02 experiment\, and the GRAND experiment.
  He serves as the deputy chief designer of the scientific application syst
 em for China's first gravitational wave detection technology verification 
 satellite "Taiji-1" . He has published over 70 SCI papers individually and
  with his research teams\, in journals such as Nature Astronomy\, Communic
 ation Physics\, PRL\, JCAP\, PRD\, APJ etc.\nAlternative online link：htt
 ps://meeting.tencent.com/dm/udQ5kD0Bz3jU\nID: 452210876\n\nhttps://indico-
 tdli.sjtu.edu.cn/event/5413/
LOCATION:Tsung-Dao Lee Institute/N6F-N600 - Lecture Room (Tsung-Dao Lee In
 stitute)
URL:https://indico-tdli.sjtu.edu.cn/event/5413/
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