Probing leptophobic dark sector with a pseudoscalar portal in the NA64 experiment at CERN

Probing leptophobic dark sector with a pseudoscalar portal in the NA64 experiment at CERN

Abstract We propose the possibility of discovering a light pseudoscalar particle a, axion-like particle (ALP), interacting mainly with quarks using the electron and photon scattering reaction chain e + Z → e + γ + Z; γ + Z → a + Z on nuclei in the NA64 experiment at the CERN SPS. We consider the mix...

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Bibliographic Details
Main Authors: Sergei N. Gninenko, Dmitry V. Kirpichnikov, Nikolai V. Krasnikov, Sergey Kuleshov, Valery E. Lyubovitskij, Alexey S. Zhevlakov
Format: Article
Language:English
Published: SpringerOpen 2025-06-01
Series:Journal of High Energy Physics
Subjects:
Effective Field Theories of QCD
Properties of Hadrons
Online Access:https://doi.org/10.1007/JHEP06(2025)235
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