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NA64 experiment is one of the several experiments at CERN's Super Proton Synchrotron (SPS) particle collider searching for dark sector particles. It is a fixed target experiment in which an electron beam of energy between 100-150 GeV, strikes fixed atomic nuclei. The primary goal of NA64 is to find unknown and hypothetical particles such as dark photons, axions, and axion-like particles.

Secondarily this experiment will also use the muon beams from the SPS with the goal of finding particles that mainly interact with muons and hence could give valuable insights into muon's anomalous magnetic moment. Few other goals of NA64 include searching for invisible neutral kaon decays and meson decays, as well as the hunt of particles that could consist the mirror-type dark matter.

References

1. Krasnikov, N. V. (2020). "The Search for Light Dark Matter at NA64 Experiment". Physics of Particles and Nuclei. 51 (4): 697–702. Bibcode:2020PPN....51..697K. doi:10.1134/S1063779620040449. ISSN 1063-7796.
2. Banerjee, Dipanwita; NA64 collaboration; Physics Beyond Colliders Conventional Beams Working Group (2019). "Search for Dark Sector Physics at the NA64 experiment in the context of the Physics Beyond Colliders Projects". Proceedings of XXIX International Symposium on Lepton Photon Interactions at High Energies — PoS(LeptonPhoton2019). Vol. 367. p. 061. arXiv:1909.04363. Bibcode:2019lpih.confE..61B. doi:10.22323/1.367.0061. {{cite book}}: |journal= ignored (help)CS1 maint: numeric names: authors list (link)
3. Kirsanov, Mikhail (2019). "Search for Dark Sector Physics in Missing Energy Events in the NA64 Experiment". Particle Physics at the Silver Jubilee of Lomonosov Conferences. Moscow, Russia: World Scientific. pp. 353–369. doi:10.1142/9789811202339_0066. ISBN 978-981-12-0232-2. S2CID 195550676.
4. "NA64". CERN. Retrieved 2021-05-02.
5. Dusaev, R. R.; Kirpichnikov, D. V.; Kirsanov, M. M. (2020). "Photoproduction of axionlike particles in the NA64 experiment". Physical Review D. 102 (5): 055018. arXiv:2004.04469. Bibcode:2020PhRvD.102e5018D. doi:10.1103/PhysRevD.102.055018. ISSN 2470-0010.
6. Bernhard, J. (2020). "Status and Plans for the NA64 Experiment". Journal of Physics: Conference Series. 1468 (1): 012023. doi:10.1088/1742-6596/1468/1/012023. ISSN 1742-6588.
7. Kirsanov, Mikhail (2019). Achasov, M.N.; Ignatov, F.V.; Krokovny, P.P. (eds.). "Recent results of the NA64 experiment at the CERN SPS". EPJ Web of Conferences. 212: 06005. Bibcode:2019EPJWC.21206005K. doi:10.1051/epjconf/201921206005. ISSN 2100-014X.
8. Banerjee, D.; Bernhard, J.; Burtsev, V. E.; Chumakov, A. G.; Cooke, D.; Crivelli, P.; Depero, E.; Dermenev, A. V.; Donskov, S. V.; Dusaev, R. R.; Enik, T. (2020). "Search for Axionlike and Scalar Particles with the NA64 Experiment". Physical Review Letters. 125 (8): 081801. arXiv:2005.02710. Bibcode:2020PhRvL.125h1801B. doi:10.1103/PhysRevLett.125.081801. ISSN 0031-9007. PMID 32909809.

External links

1. NA64 sets bounds on how much new X bosons could change the electron's magnetism
2. https://na64.web.cern.ch/node/10
3. NA64 explores gap in searches for axions and axion-like particles
4. NA64 casts light on dark photons
5. The plot thickens for a hypothetical "X17” particles

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