Volume 476 - 42nd International Conference on High Energy Physics (ICHEP2024) - Detectors for Future Facilities, R&D, Novel Techniques
SUB-Millicharge ExperimenT (SUBMET) at J-PARC
J.H. Yoo
Full text: pdf
Pre-published on: January 31, 2025
Published on: April 29, 2025
Abstract
SUB-Millicharge ExperimenT (SUBMET) searches for millicharged particles $\chi$ that can be produced from the 30 GeV proton fixed-target collisions at J-PARC. It targets low-mass and low-charge region that has not been probed by the existing searches, more specifically, $m_\chi<1. 6$ GeV and $\epsilon = Q/e < 10^{-3}$. The detector is composed of two stacks of long plastic scintillators and is installed on the bottom floor of the Neutrino Monitor building. It was assembled and tested in Korea, before being shipped to J-PARC. The detector was fully installed in May 2024 at the detector site and successfully took its first data with the beam in June 2024.
DOI: https://doi.org/10.22323/1.476.1111
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