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Author  |
NA64 Collaboration (Andreev, Y.M. et al); Molina Bueno, L. | ||||
| Title | Search for a New B-L Z' Gauge Boson with the NA64 Experiment at CERN | Type | Journal Article | ||
| Year | 2022 | Publication | Physical Review Letters | Abbreviated Journal | Phys. Rev. Lett. |
| Volume | 129 | Issue | Pages | 161801 - 6pp | |
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| Abstract | A search for a new Z′ gauge boson associated with (un)broken B−L symmetry in the keV–GeV mass range is carried out for the first time using the missing-energy technique in the NA64 experiment at the CERN SPS. From the analysis of the data with 3.22×10^11 electrons on target collected during 2016–2021 runs, no signal events were found. This allows us to derive new constraints on the Z′−e coupling strength, which, for the mass range 0.3≲ mZ′≲ 100 MeV, are more stringent compared to those obtained from the neutrino-electron scattering data. | ||||
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| Notes | Approved | no | |||
| Is ISI | yes | International Collaboration | yes | ||
| Call Number | IFIC @ pastor @ | Serial | 5499 | ||
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