22-25 October 2024
Hotel Intourist Kolomenskoye 4*
Europe/Moscow timezone
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Analysis of experimental data on neutron decay for the possibility of the existence of right vector boson $W_R$

23 Oct 2024, 09:50
20m
Petrovskiy 2 ()

Petrovskiy 2

Oral talk High energy physics: experiment HEP Experiment

Speaker

Prof. Anatolii Serebrov (NRC "Kurcharov institute" - PNPI)

Description

The analysis of the latest most accurate experimental data on neutron decay for the possibility of the existence of a right vector boson $W_R$ was carried out. As a result of the analysis, it was found that there is an indication of the existence of a right vector boson $W_R$ with a mass of $M_{W_R }= 304_{-22}^{+28}$ GeV and a mixing angle with $W_L: \zeta = -0.038\pm{0.014}$. This result should be considered, on the one hand, as a challenge to experimental physics at colliders, where the upper limit on the mass of the right vector boson $W_R$ is significantly higher, and on the other hand, it indicates the need for even more accurate measurements of neutron decay and its theoretical analysis. Possible consequences are considered, assuming that the result can be confirmed. First, an extension of the SM by introducing right vector bosons $W_R^±$, $Z_R$ and right neutrinos would be required. Second, right neutrinos can be considered as candidates for dark matter.

Primary author

Prof. Anatolii Serebrov (NRC "Kurcharov institute" - PNPI)

Presentation Materials

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