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"Search for light dark matter in the NA64 experiment" S.N. Gninenko

Тип события: JINR Institutional Seminar
Тип события (для фильтра): Общеинститутские семинары

JINR Institutional Seminar

04-20-2023 11:00 Conference Hall of Bogoliubov Laboratory of Theoretical Physics and remotely

"Search for light dark matter in the NA64 experiment"

S.N. Gninenko

The origin of dark matter in the Universe is the most interesting question of modern particle physics. An attractive class of models considers the possibility of the existence of light dark matter with a mass < O(1) GeV, which interacts with ordinary matter through a new weak interaction additional to gravity.
 
The NA64 experiment at the electron beam of the SPS (Super Proton Synchrotron) CERN  is one of the world's leading experiments designed for a sensitive search for new hypothetical particles, including light dark matter. We will present the theoretical motivation, experimental setup, main experimental challenges, and how NA64 addresses these challenges, as well as the latest results obtained in the 2022 run. In addition, the search for new particles and physics explaining the (g-2) muon anomaly will be discussed, along with the results of the search for a 17 MeV boson that can explain the ATOMKI collaboration anomaly. Finally, the program for searching for hypothetical particles predominantly interacting with muons or quarks at the SPS muon and hadron beams will be briefly outlined.


Seminar Indico page:
https://indico.jinr.ru/e/jinr_seminar
 
Zoom meeting room:
https://zoom.us/j/94943408623?pwd=M2hBNEpDems4alZEMmFKa3dTM2VaQT09
 
Meeting ID:   949 4340 8623
Passcode: 472186