Dark Matter Limits from Dwarf Spheroidal Galaxies with the HAWC Gamma-Ray Observatory
Por:
Albert, A., Alfaro, R., Alvarez, C., Alvarez, J. D., Arceo, R., Arteaga-Velazquez, J. C., Avila Rojas, D., Solares, H. A. Ayala, Bautista-Elivar, N., Becerril, A., Belmont-Moreno, E., BenZvi, S. Y., Bernal, A., Braun, J., Brisbois, C., Caballero-Mora, K. S., Capistran, T., Carraminana, A., Casanova, S., Castillo, M., Cotti, U., Cotzomi, J., Coutino de Leon, S., de Leon, C., De la Fuente, E., Diaz Hernandez, R., Dingus, B. L., DuVernois, M. A., Diaz-Velez, J. C., Ellsworth, R. W., Engel, K., Fiorino, D. W., Fraija, N., Garcia-Gonzalez, J. A., Garfias, F., Gonzalez, M. M., Goodman, J. A., Hampel-Arias, Z., Harding, J. P., Hernandez, S., Hernandez-Almada, A., Hona, B., Huntemeyer, P., Iriarte, A., Jardin-Blicq, A., Joshi, V., Kaufmann, S., Kieda, D., Lauer, R. J., Lennarz, D., Leon Vargas, H., Linnemann, J. T., Longinotti, A. L., Proper, M. Longo, Luis Raya, G., Luna-Garcia, R., Lopez-Coto, R., Malone, K., Marinelli, S. S., Martinez-Castellanos, I., Martinez-Castro, J., Martinez-Huerta, H., Matthews, J. A., Miranda-Romagnoli, P., Moreno, E., Mostafa, M., Nellen, L., Newbold, M., Nisa, M. U., Noriega-Papaqui, R., Pelayo, R., Pretz, J., Perez-Perez, E. G., Ren, Z., Rho, C. D., Riviere, C., Rosa-Gonzalez, D., Rosenberg, M., Ruiz-Velasco, E., Salesa Greus, F., Sandoval, A., Schneider, M., Schoorlemmer, H., Sinnis, G., Smith, A. J., Springer, R. W., Surajbali, P., Taboada, I., Tibolla, O., Tollefson, K., Torres, I., Vianello, G., Weisgarber, T., Westerhoff, S., Wood, J., Yapici, T., Younk, P. W., Zhou, H.
Publicada:
1 feb 2018
Resumen:
The High Altitude Water Cherenkov (HAWC) gamma-ray observatory is a wide field of view observatory sensitive to 500 GeV-100 TeV gamma-rays and cosmic rays. It can also perform diverse indirect searches for dark matter annihilation and decay. Among the most promising targets for the indirect detection of dark matter are dwarf spheroidal galaxies. These objects are expected to have few astrophysical sources of gamma-rays but high dark matter content, making them ideal candidates for an indirect dark matter detection with gamma-rays. Here we present individual limits on the annihilation cross section and decay lifetime for 15 dwarf spheroidal galaxies within the field of view, as well as their combined limit. These are the first limits on the annihilation cross section and decay lifetime using data collected with HAWC. We also present the HAWC flux upper limits of the 15 dwarf spheroidal galaxies in half-decade energy bins. © 2018. The American Astronomical Society. All rights reserved.
Filiaciones:
Albert, A.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM USA
Alfaro, R.:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico
Alvarez, C.:
Univ Autonoma Chiapas, Tuxtla Gutierrez, Chiapas, Mexico
Alvarez, J. D.:
Univ Michoacana, Morelia, Michoacan, Mexico
Arceo, R.:
Univ Autonoma Chiapas, Tuxtla Gutierrez, Chiapas, Mexico
Arteaga-Velazquez, J. C.:
Univ Michoacana, Morelia, Michoacan, Mexico
Avila Rojas, D.:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico
Solares, H. A. Ayala:
Michigan Technol Univ, Dept Phys, Houghton, MI 49931 USA
Bautista-Elivar, N.:
Univ Politecn Pachuca, Pachuca, Hidalgo, Mexico
Becerril, A.:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico
Belmont-Moreno, E.:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico
BenZvi, S. Y.:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Bernal, A.:
Univ Nacl Autonoma Mexico, Inst Astron, Mexico City, DF, Mexico
Braun, J.:
Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA
Brisbois, C.:
Michigan Technol Univ, Dept Phys, Houghton, MI 49931 USA
Caballero-Mora, K. S.:
Univ Autonoma Chiapas, Tuxtla Gutierrez, Chiapas, Mexico
Capistran, T.:
Inst Nacl Astrofis Opt & Electr, Puebla, Mexico
Carraminana, A.:
Inst Nacl Astrofis Opt & Electr, Puebla, Mexico
Casanova, S.:
Inst Fizyki Jadrowej Henryka Niewodniczanskie, Krakow, Poland
Castillo, M.:
Univ Michoacana, Morelia, Michoacan, Mexico
Cotti, U.:
Univ Michoacana, Morelia, Michoacan, Mexico
Cotzomi, J.:
Benemerita Univ Autonoma Puebla, Fac Ciencias Fis, Puebla, Mexico
Coutino de Leon, S.:
Inst Nacl Astrofis Opt & Electr, Puebla, Mexico
de Leon, C.:
Benemerita Univ Autonoma Puebla, Fac Ciencias Fis, Puebla, Mexico
De la Fuente, E.:
Univ Guadalajara, Dept Fis, Ctr Univ Ciencias Exactase Ingn, Guadalajara, Jalisco, Mexico
Diaz Hernandez, R.:
Inst Nacl Astrofis Opt & Electr, Puebla, Mexico
Dingus, B. L.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM USA
DuVernois, M. A.:
Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA
Diaz-Velez, J. C.:
Univ Guadalajara, Dept Fis, Ctr Univ Ciencias Exactase Ingn, Guadalajara, Jalisco, Mexico
Ellsworth, R. W.:
George Mason Univ, Sch Phys Astron & Computat Sci, Fairfax, VA 22030 USA
Engel, K.:
Univ Maryland, Dept Phys, College Pk, MD 20742 USA
Fiorino, D. W.:
Univ Maryland, Dept Phys, College Pk, MD 20742 USA
Fraija, N.:
Univ Nacl Autonoma Mexico, Inst Astron, Mexico City, DF, Mexico
Garcia-Gonzalez, J. A.:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico
Garfias, F.:
Univ Nacl Autonoma Mexico, Inst Astron, Mexico City, DF, Mexico
Gonzalez, M. M.:
Univ Nacl Autonoma Mexico, Inst Astron, Mexico City, DF, Mexico
Hampel-Arias, Z.:
Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA
Harding, J. P.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM USA
Hernandez, S.:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico
Hernandez-Almada, A.:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico
Hona, B.:
Michigan Technol Univ, Dept Phys, Houghton, MI 49931 USA
Huntemeyer, P.:
Michigan Technol Univ, Dept Phys, Houghton, MI 49931 USA
Iriarte, A.:
Univ Nacl Autonoma Mexico, Inst Astron, Mexico City, DF, Mexico
Jardin-Blicq, A.:
Max Planck Inst Nucl Phys, D-69117 Heidelberg, Germany
Joshi, V.:
Max Planck Inst Nucl Phys, D-69117 Heidelberg, Germany
Kaufmann, S.:
Univ Autonoma Chiapas, Tuxtla Gutierrez, Chiapas, Mexico
Kieda, D.:
Univ Utah, Dept Phys & Astron, Salt Lake City, UT USA
Lauer, R. J.:
Univ New Mexico, Dept Phys & Astron, Albuquerque, NM USA
Lennarz, D.:
Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA
Georgia Inst Technol, Ctr Relativist Astrophys, Atlanta, GA 30332 USA
Leon Vargas, H.:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico
Linnemann, J. T.:
Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
Longinotti, A. L.:
Inst Nacl Astrofis Opt & Electr, Puebla, Mexico
Proper, M. Longo:
Colorado State Univ, Dept Phys, Ft Collins, CO 80523 USA
Luis Raya, G.:
Univ Politecn Pachuca, Pachuca, Hidalgo, Mexico
Luna-Garcia, R.:
Inst Politecn Nacl, Ctr Invest Computac, Mexico City, DF, Mexico
Lopez-Coto, R.:
Max Planck Inst Nucl Phys, D-69117 Heidelberg, Germany
Malone, K.:
Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA
Marinelli, S. S.:
Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
Martinez-Castellanos, I.:
Univ Maryland, Dept Phys, College Pk, MD 20742 USA
Martinez-Castro, J.:
Inst Politecn Nacl, Ctr Invest Computac, Mexico City, DF, Mexico
Martinez-Huerta, H.:
IPN, Dept Phys, Ctr Invest & Estudios Avanzados, Mexico City, DF, Mexico
Matthews, J. A.:
Univ New Mexico, Dept Phys & Astron, Albuquerque, NM USA
Miranda-Romagnoli, P.:
Univ Autonoma Estado Hidalgo, Pachuca, Mexico
Moreno, E.:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico
Benemerita Univ Autonoma Puebla, Fac Ciencias Fis, Puebla, Mexico
Mostafa, M.:
Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA
Nellen, L.:
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City, DF, Mexico
Newbold, M.:
Univ Utah, Dept Phys & Astron, Salt Lake City, UT USA
Nisa, M. U.:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Noriega-Papaqui, R.:
Univ Autonoma Estado Hidalgo, Pachuca, Mexico
Pelayo, R.:
Inst Politecn Nacl, Ctr Invest Computac, Mexico City, DF, Mexico
Pretz, J.:
Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA
Perez-Perez, E. G.:
Univ Politecn Pachuca, Pachuca, Hidalgo, Mexico
Ren, Z.:
Univ New Mexico, Dept Phys & Astron, Albuquerque, NM USA
Rho, C. D.:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Riviere, C.:
Univ Maryland, Dept Phys, College Pk, MD 20742 USA
Rosa-Gonzalez, D.:
Inst Nacl Astrofis Opt & Electr, Puebla, Mexico
Rosenberg, M.:
Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA
Ruiz-Velasco, E.:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico
Salesa Greus, F.:
Inst Fizyki Jadrowej Henryka Niewodniczanskie, Krakow, Poland
Sandoval, A.:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico
Schneider, M.:
Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA
Schoorlemmer, H.:
Max Planck Inst Nucl Phys, D-69117 Heidelberg, Germany
Sinnis, G.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM USA
Smith, A. J.:
Univ Maryland, Dept Phys, College Pk, MD 20742 USA
Springer, R. W.:
Univ Utah, Dept Phys & Astron, Salt Lake City, UT USA
Surajbali, P.:
Max Planck Inst Nucl Phys, D-69117 Heidelberg, Germany
Taboada, I.:
Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA
Georgia Inst Technol, Ctr Relativist Astrophys, Atlanta, GA 30332 USA
Tibolla, O.:
Univ Autonoma Chiapas, Tuxtla Gutierrez, Chiapas, Mexico
Tollefson, K.:
Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
Torres, I.:
Inst Nacl Astrofis Opt & Electr, Puebla, Mexico
Vianello, G.:
Stanford Univ, Dept Phys, Stanford, CA USA
Weisgarber, T.:
Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA
Westerhoff, S.:
Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA
Wood, J.:
Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA
Younk, P. W.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM USA
Zhou, H.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM USA
|