{"paper":{"title":"Explaining the DAMPE data with scalar dark matter and gauged $U(1)_{L_e-L_\\mu}$ interaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Fei Wang, Junjie Cao, Lei Feng, Lei Zu, Liangliang Shang, Peiwen Wu, Xiaofei Guo","submitted_at":"2017-12-04T18:38:44Z","abstract_excerpt":"Inspired by the peak structure observed by recent DAMPE experiment in $e^+e^-$ cosmic-ray spectrum, we consider a scalar dark matter (DM) model with gauged $U(1)_{L_e-L_\\mu}$ symmetry, which is the most economical anomaly-free theory to potentially explain the peak by DM annihilation in nearby subhalo. We utilize the process $\\chi \\chi \\to Z^\\prime Z^\\prime \\to l \\bar{l} l^\\prime \\bar{l}^\\prime$, where $\\chi$, $Z^\\prime$, $l^{(\\prime)}$ denote the scalar DM, the new gauge boson and $l^{(\\prime)} =e, \\mu$, respectively, to generate the $e^+e^-$ spectrum. By fitting the predicted spectrum to the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01244","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}