Exclusion of Leptophilic Dark Matter Models using XENON100 Electronic Recoil Data
The XENON Collaboration · Aprile, E. · Agostini, F. · Alfonsi, M. · Arazi, L. · Arisaka, K. · Arneodo, F. · Auger, M. · Balan, C. · Barrow, P. · Baudis, L. · Bauermeister, B. · Behrens, A. · Brown, A. · Brown, E. · Bruenner, S. · Bruno, G. · Budnik, R. · Buetikofer, L. · Cardoso, J. M. R. · Cervantes, M. · Coderre, D. · Colijn, A. P. · Contreras, H. · Cussonneau, J. P. · Decowski, M. P. · Di Giovanni, A. · Duchovni, E. · Fattori, S. · Ferella, A. D. · Fieguth, A. · Fulgione, W. · Gao, F. · Garbini, M. · Geis, C. · Goetzke, L. W. · Grignon, C. · Gross, E. · Hampel, W. · Itay, R. · Kaether, F. · Kaminsky, B. · Kessler, G. · Kish, A. · Landsman, H. · Lang, R. F. · Calloch, M. Le · Lellouch, D. · Levinson, L. · Levy, C. · Lindemann, S. · Lindner, M. · Lopes, J. A. M. · Lyashenko, A. · Macmullin, S. · Undagoitia, T. Marrodan · Masbou, J. · Massoli, F. V. · Paras, D. Mayani · Fernandez, A. J. Melgarejo · Meng, Y. · Messina, M. · Miguez, B. · Molinario, A. · Morana, G. · Murra, M. · Naganoma, J. · Ni, K. · Oberlack, U. · Orrigo, S. E. A. · Pakarha, P. · Pantic, E. · Persiani, R. · Piastra, F. · Pienaar, J. · Plante, G. · Priel, N. · Rauch, L. · Reichard, S. · Reuter, C. · Rizzo, A. · Rosendahl, S. · Santos, J. M. F. dos · Sartorelli, G. · Schindler, S. · Schreiner, J. · Schumann, M. · Lavina, L. Scotto · Selvi, M. · Shagin, P. · Simgen, H. · Teymourian, A. · Thers, D. · Tiseni, A. · Trinchero, G. · Tunnell, C. · Vitells, O. · Wall, R. · Wang, H. · Weber, M. · Weinheimer, C.
Original · EN
Laboratory experiments searching for galactic dark matter particles scattering off nuclei have so far not been able to establish a discovery. We use data from the XENON100 experiment to search for dark matter interacting with electrons. With no evidence for a signal above the low background of our experiment, we exclude a variety of representative dark matter models that would induce electronic recoils. For axial-vector couplings to electrons, we exclude cross-sections above 6x10(-35) cm² for particle masses of mchi = 2 GeV/c². Independent of the dark matter halo, we exclude leptophilic models as explanation for the long-standing DAMA/LIBRA signal, such as couplings to electrons through axial-vector interactions at a 4.4 sigma confidence level, mirror dark matter at 3.6 sigma, and luminous dark matter at 4.6 sigma.
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