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SUMMARY:Constraints on Axion-Like Particles with the Silicon Detector at a
  Nuclear Reactor
DTSTART;VALUE=DATE-TIME:20260811T080000Z
DTEND;VALUE=DATE-TIME:20260811T082000Z
DTSTAMP;VALUE=DATE-TIME:20260824T135019Z
UID:indico-contribution-2698@indico.itp.ac.cn
DESCRIPTION:Speakers: Yuanlin Gong (Nanjing Normal University)\nAxion and 
 axion-like particles (ALPs)\, predicted in various extensions of the Stand
 ard Model\, can be abundantly produced in nuclear reactors via the Primako
 ff process. In this work\, we explore the detection of ALPs in silicon det
 ectors through plasmon excitations. Owing to their relativistic nature\, r
 eactor-produced ALPs can efficiently excite plasmon resonances\, while the
  accompanying energetic photon typically escapes from the thin detector wi
 thout depositing an appreciable amount of energy. Utilizing the data from 
 the Connie and Atucha-II experiments\, we set the 90% confidence level upp
 er limits on the ALP-photon coupling $g_{a\\gamma\\gamma}$ over the axion 
 mass range $0.1-100$ keV. We further show that\, for an exposure of 30 kg$
 \\cdot$yr\, the projected sensitivity of vIOLETA exceeds the current NEON 
 limit by a factor of three in the same mass range. This improvement would 
 expand the explored region of the QCD axion and ALP parameter space.\n\nht
 tps://indico.itp.ac.cn/event/416/contributions/2698/
LOCATION:Conference Center (2F) Back Area
URL:https://indico.itp.ac.cn/event/416/contributions/2698/
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