Status of NA65(DsTau) data taking and analysis
December 14, 2022
The DsTau(NA65) experiment at CERN was proposed to study an inclusive differential cross-section of $D_s$ production with a
consecutive decay to tau lepton and tau neutrino in p-A interactions. A precise measurement of the tau neutrino cross-section allow us to search for new physics effects beyond Standard Model such as testing the Lepton Universality in neutrino interactions. The DsTau
detector is based on nuclear emulsion providing a very high spatial resolution for the detection of short length and small
"kink" decays. A high precision in vertex
reconstruction allows to measure the proton interaction length and charged particle particle multiplicities in a high track
density environment. The status of the experiment and results from the pilot run are presented.
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