| Issue |
EPJ Web Conf.
Volume 142, 2017
International Symposium Advances in Dark Matter and Particle Physics
|
|
|---|---|---|
| Article Number | 01018 | |
| Number of page(s) | 6 | |
| DOI | https://doi.org/10.1051/epjconf/201714201018 | |
| Published online | 12 April 2017 | |
https://doi.org/10.1051/epjconf/201714201018
Background in the search for dark photon in e+e− annihilation
1 University of Sofia “St. Kl. Ohridski”, 5 J. Bourchier Blvd., 1164 Sofia, Bulgaria
2 Laboratori Nazionali di Frascati, 00044 Frascati RM, Italy
a e-mail: Venelin.Kozhuharov@cern.ch
Published online: 12 April 2017
An important ingredient in the search for new particles and rare phenomena is the correct estimation of the expected contribution from processes originating from the Standard Model. The search for a new vector degree of freedom, the Dark photon, is affected by the precise knowledge of the electromagnetic interactions. In the case of invisibly decaying Dark photon produced in e+e− annihilation the evaluation of the background should be performed with less than 1% uncertainty since the sensitivity of the proposed experiments depend lineary on it. The present status of the background estimation and the considered processes are reviewed and discussed, with a special attention devoted to the possible unresolved issues.
© The Authors, published by EDP Sciences, 2017
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