Searches for hidden sectors using K + → π + X decays

Results from the study of the rare decays K+→π+νν¯, K+ → π+μ+μ− and K+ → π+γγ at the NA62 experiment at CERN are interpreted in terms of improved limits for BK+→π+X and coupling parameters of hidden-sector models, where X is a mediator. World-leading limits are achieved for dark photon, dark scalar and axion-like particle models.

Publication Details

Journal
Lancaster EPrints (Lancaster University)
Published
2025-11-24
Primary Topic
Particle physics theoretical and experimental studies
Type
article
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article

Searches for hidden sectors using K + → π + X decays

Lancaster EPrints (Lancaster University)
Particle physics theoretical and experimental studies
article

Searches for hidden sectors using K + → π + X decays

article en

Abstract

Results from the study of the rare decays K+→π+νν¯, K+ → π+μ+μ− and K+ → π+γγ at the NA62 experiment at CERN are interpreted in terms of improved limits for BK+→π+X and coupling parameters of hidden-sector models, where X is a mediator. World-leading limits are achieved for dark photon, dark scalar and axion-like particle models.

Lancaster EPrints (Lancaster University)
Openalex Percentile: Top 25%
Particle physics theoretical and experimental studies
OpenAlex
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Searches for hidden sectors using K + → π + X decays · Lancaster EPrints (Lancaster University) (2025) | TGRS Research Map | TGRS