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7–11 Apr 2025
Seoul National University, Seoul
Asia/Seoul timezone

DANSS detector status and upgrade

7 Apr 2025, 16:00
45m
Seoul National University, Seoul

Seoul National University, Seoul

Speaker

Dr Mark Shirchenko (Joint Institute for Nuclear Research)

Description

The DANSS experiment at Kalininskaya NPP is running for already 8 years since
April 2016. The largest in the world in the single experiment statistics of 9,3 million
inverse beta decay events is collected. The data sample covers 4 full
cycles of the industrial power recator. DANSS experimental program includes both
a search for physics beyond the Standard Model, like sterile neutrinos or large extra
dimensions, and applied studies connected to reactor monitoring using electron
antineutrino flux. The model independent exclusion area in the sterile neutrino parameter
space for 3+1 hypothesis extends till sin2θ = 0.004 for Δm = 0.9 eV,
where sensitivity of the experiment is the best. The remote industrial reactor monitoring allows us to determine the power of the reactor with an accuracy of 1.3% for the three days of measurement.
Along with ongoing statistics collection DANSS is preparing for an upgrade, which
shall significantly improve its energy resolution and also increase the fiducial volume.
The talk covers recent analysis results and the upgrade status.

Author

Dr Mark Shirchenko (Joint Institute for Nuclear Research)

Presentation materials