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Detecting light leptophilic gauge boson at BESIII detector
Physics Letters B
The O(GeV) extra U(1) gauge boson named U-boson, has been proposed to mediate the interaction among leptons and dark matter (DM), in order to account for the observations by PAMELA and ATIC. In such kind of models, the extra U(1) gauge group can be chosen as U(1)_L_i-L_j with L_i the i-th generation lepton number. This anomaly-free model provides appropriate dark matter relic density and boost factor required by experiments. In this work the observability of such kind of U-boson at BESIIIdoi:10.1016/j.physletb.2009.07.014 fatcat:nh5ndjkmrvh2lizvfatyenjsq4