New Limits on Leptophilic Axionlike Particles and Majorons from ArgoNeuT

Abstract

Axionlike particles are among the most studied extensions of the standard model. In this Letter we study the bounds that the ArgoNeuT experiment can put on the parameter space of two specific scenarios: leptophilic axionlike particles and Majorons. We find that such bounds are currently the most constraining ones in the (0.2 - 1.7) GeV mass range.

arXiv comment8 pages, 4 figures; v2: extended discussion of the analysis and new appendices; matches version published at PRL

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Cited by in corpus (3)

• Leptophilic Axion-like Particles at Forward Detectors
• Analytic approach to axion-like-particle emission in core-collapse supernovae
• Searching for long-lived light neutralinos and axionlike particles at the SHiNESS experiment