Early Science with the Oscura Integration Test

Kavli Affiliate: Paolo Privitera

| First 5 Authors: Santiago Perez, Dario Rodrigues, Juan Estrada, Roni Harnik, Zhen Liu

| Summary:

Oscura is a planned light-dark matter search experiment using Skipper-CCDs
with a total active mass of 10 kg. As part of the detector development, the
collaboration plans to build the Oscura Integration Test (OIT), an engineering
test experiment with 10% of the Oscura’s total mass. Here we discuss the early
science opportunities with the OIT to search for millicharged particles (mCPs)
using the NuMI beam at Fermilab. mCPs would be produced at low energies through
photon-mediated processes from decays of scalar, pseudoscalar, and vector
mesons, or direct Drell-Yan productions. Estimates show that the OIT would be a
world-leading probe for low-mass mCPs.

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