Dark Matter Search in Missing Energy Events with NA64.

  title={Dark Matter Search in Missing Energy Events with NA64.},
  author={D. Banerjee and V. Burtsev and A. Chumakov and D. Cooke and P. Crivelli and E. Depero and A. Dermenev and S. V. Donskov and R. Dusaev and T. Enik and N. Charitonidis and A. Feshchenko and V. Frolov and A. Gardikiotis and S. Gerassimov and S. Gninenko and M. H{\"o}sgen and M. Jeckel and A. Karneyeu and G. Kekelidze and B. Ketzer and D. Kirpichnikov and M. Kirsanov and I. Konorov and S. Kovalenko and V. A. Kramarenko and L. Kravchuk and N. Krasnikov and S. Kuleshov and V. Lyubovitskij and V. Lysan and V. Matveev and Y. Mikhailov and L. Molina Bueno and D. V. Peshekhonov and V. Polyakov and B. Radics and R. Rojas and A. Rubbia and V. Samoylenko and D. Shchukin and V. Tikhomirov and I. Tlisova and D. Tlisov and A. Toropin and A. Trifonov and B. Vasilishin and G. Vasquez Arenas and P. Volkov and V. Volkov and P. Ulloa},
  journal={Physical review letters},
  volume={123 12},
  • D. Banerjee, V. Burtsev, +48 authors P. Ulloa
  • Published 2019
  • Medicine, Physics
  • Physical review letters
  • A search for sub-GeV dark matter production mediated by a new vector boson A^{'}, called a dark photon, is performed by the NA64 experiment in missing energy events from 100 GeV electron interactions in an active beam dump at the CERN SPS. From the analysis of the data collected in the years 2016, 2017, and 2018 with 2.84×10^{11} electrons on target no evidence of such a process has been found. The most stringent constraints on the A^{'} mixing strength with photons and the parameter space for… CONTINUE READING

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