Publications
Publication Information
Title | Dark matter search with the BDX-MINI experiment |
Authors | Marco Battaglieri, Mariangela Bondi, Andrea Celentano, P. Cole, Marzio De Napoli, Raffaella De Vita, Luca Marsicano, Nunzio Randazzo, E. Smith, Daniel Snowden-Iff, Marco Spreafico, Micheal Wood |
JLAB number | JLAB-PHY-22-3674 |
LANL number | arXiv:2208.01387 |
Other number | DOE/OR/23177-5549 |
Document Type(s) | (Journal Article) |
Associated with EIC: | No |
Supported by Jefferson Lab LDRD Funding: | No |
Funding Source: | Nuclear Physics (NP) |
Journal Compiled for Physical Review D Volume 106 Page(s) 072011 Refereed | |
Publication Abstract: | BDX-MINI is a beam dump experiment optimized to search for Light Dark Matter produced in the interaction of the intense CEBAF 2.176 GeV electron beam with the Hall A beam dump at Jefferson Lab. The BDX-MINI detector consists of a PbWO4 electromagnetic calorimeter surrounded by a hermetic veto system for background rejection. The experiment accumulated 2.56 10^21 EOT in six months of running. Simulations of fermionic and scalar Dark Matter interactions with electrons of the active volume of the BDX-MINI detector were used to estimate the expected signal. Data collected during the beam-off time allowed us to characterize the background dominated by cosmic rays. A blind data analysis based on a maximum-likelihood approach was used to optimize the experiment sensitivity. An upper limit on the production of light dark matter was set using the combined event samples collected during beam-on and beam-off configurations. In some kinematics, this pilot experiment is sensitive to the parameter space covered by some of the most sensitive experiments to date, which demonstrates the discovery potential of the next generation beam dump experiment planned at intense electron beam facilities. |
Experiment Numbers: | E12-16-001 |
Group: | Hall A |
Document: | |
DOI: | https://doi.org/10.1103/PhysRevD.106.072011 |
Accepted Manuscript: | PhysRevD.106.072011.pdf |
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