High Energy Physics Experiment
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MicroBooNE Reports First Measurement of Sub-GeV Neutrino-Argon Coherent Pion Production
The MicroBooNE experiment reports the first measurement of sub-GeV $\nu_\mu$ charged-current coherent pion production on argon. Utilizing a dataset corresponding to $1.26 \times 10^{21}$ POT with a mean neutrino energy of 0.8 GeV, the flux-averaged cross section was determined to be $(9.1 \pm 1.2_{\…
BESIII Measures $D^{*+}_{s} \to e^{+}e^{-}D^{+}_{s}$ Decay with Enhanced Precision
The BESIII experiment has precisely measured the branching fraction of the electromagnetic Dalitz decay $D^{*+}_{s}\to e^{+}e^{-}D^{+}_{s}$ using a large dataset collected at center-of-mass energies from 4.128 to 4.226 GeV. The result, ${\mathcal{B}(D^{*+}_{s}\to e^{+}e^{-}D^{+}_{s})=(7.28\pm0.61_{\…