# Searching for Dark Matter Annihilation from Milky Way Dwarf Spheroidal Galaxies with Six Years of Fermi Large Area Telescope Data.

@article{Ackermann2015SearchingFD, title={Searching for Dark Matter Annihilation from Milky Way Dwarf Spheroidal Galaxies with Six Years of Fermi Large Area Telescope Data.}, author={M. Ackermann and A. Albert and B. Anderson and W. B. Atwood and L. Baldini and G. Barbiellini and D. Bastieri and K. Bechtol and R. Bellazzini and E. Bissaldi and R. Blandford and E. Bloom and R. Bonino and E. Bottacini and T. Brandt and J. Bregeon and P. Bruel and R. Buehler and G. A. Caliandro and R. A. Cameron and R. Caputo and M. Caragiulo and P. Caraveo and C. Cecchi and E. Charles and A. Chekhtman and J. Chiang and G. Chiaro and S. Ciprini and R. Claus and J. Cohen-Tanugi and J. Conrad and A. Cuoco and S. Cutini and F. D'ammando and A. De Angelis and F. de Palma and R. Desiante and S. Digel and L. Di Venere and P. S. Drell and A. Drlica-Wagner and R. Essig and C. Favuzzi and S. Fegan and E. C. Ferrara and W. B. Focke and A. Franckowiak and Y. Fukazawa and S. Funk and P. Fusco and F. Gargano and D. Gasparrini and N. Giglietto and F. Giordano and M. Giroletti and T. Glanzman and G. Godfrey and G. A. Gomez-Vargas and I. A. Grenier and S. Guiriec and M. Gustafsson and E. Hays and J. Hewitt and D. Horan and T. Jogler and G. J{\'o}hannesson and M. Kuss and S. Larsson and L. Latronico and J. Li and L. Li and M. Llena Garde and F. Longo and F. Loparco and P. Lubrano and D. Malyshev and M. Mayer and M. N. Mazziotta and J. Mcenery and M. Meyer and P. F. Michelson and T. Mizuno and A. Moiseev and M. E. Monzani and A. Morselli and S. Murgia and E. Nuss and T. Ohsugi and M. Orienti and E. Orlando and J. F. Ormes and D. Paneque and J. S. Perkins and M. Pesce-Rollins and F. Piron and G. Pivato and T. A. Porter and S. Rain{\`o} and R. Rando and M. Razzano and A. Reimer and O. Reimer and S. Ritz and M. S{\'a}nchez-Conde and A. Schulz and N. Sehgal and C. Sgr{\`o} and E. Siskind and F. Spada and G. Spandre and P. Spinelli and L. Strigari and H. Tajima and H. Takahashi and J. Thayer and L. Tibaldo and D. F. Torres and E. Troja and G. Vianello and M. Werner and B. L. Winer and K. Wood and M. Wood and G. Zaharija{\vs} and S. Zimmer}, journal={Physical review letters}, year={2015}, volume={115 23}, pages={ 231301 } }

The dwarf spheroidal satellite galaxies (dSphs) of the Milky Way are some of the most dark matter (DM) dominated objects known. We report on γ-ray observations of Milky Way dSphs based on six years of Fermi Large Area Telescope data processed with the new Pass8 event-level analysis. None of the dSphs are significantly detected in γ rays, and we present upper limits on the DM annihilation cross section from a combined analysis of 15 dSphs. These constraints are among the strongest and most… CONTINUE READING

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