Gamma/hadron separation with the HAWC observatory
Por:
Alfaro, R., Alvarez, C., Alvarez, J. D., Angeles Camacho, J. R., Arteaga-Velazquez, J. C., Avila Rojas, D., Ayala Solares H.A., Babu, R., Belmont-Moreno, E., Brisbois, C., Caballero-Mora, K. S., Capistran, T., Carramiñana A., Casanova, S., Chaparro-Amaro, O., Cotti, U., Cotzomi, J., de León S.C., De la Fuente, E., de Leon, C., Diaz Hernandez, R., Dingus, B. L., DuVernois, M. A., Durocher, M., Diaz-Velez, J. C., Ellsworth, R. W., Engel, K., Espinoza, C., Fan, K. L., Fernández Alonso M., Fraija, N., Garcia, D., Garcia-Gonzalez, J. A., Garfias, F., Gonzalez, M. M., Goodman, J. A., Harding, J. P., Hernandez, S., Hona, B., Huang, D., Hueyotl-Zahuantitla, F., Huntemeyer, P., Iriarte, A., Jardin-Blicq, A., Joshi, V, Kaufmann, S., Kunde, G. J., Lara, A., Lee, W. H., Lee, J., Leon Vargas, H., Linnemann, J. T., Luis-Raya, G., Lundeen, J., Malone, K., Marandon, V, Martinez, O., Martinez-Castro, J., Matthews, J. A., Miranda-Romagnoli, P., Morales-Soto, J. A., Nayerhoda, A., Nellen, L., Nisa, M. U., Noriega-Papaqui, R., Olivera-Nieto, L., Omodei, N., Peisker, A., Perez Araujo, Y., Perez-Perez, E. G., Rho, C. D., Rosa-Gonzalez, D., Ruiz-Velasco, E., Salazar, H., Salesa Greus, F., Sandoval, A., Saz Parkinson P.M., Serna-Franco, J., Smith, A. J., Springer, R. W., Tibolla, O., Tollefson, K., Torres, I, Torres-Escobedo, R., Turner, R., Ureña-Mena F., Villaseñor L., Wang, X., Watson, I. J., Werner, F., Willox, E., Wood, J., Zepeda, A., Zhou, H.
Publicada:
1 ene 2022
Resumen:
The High Altitude Water Cherenkov (HAWC) gamma-ray observatory observes atmospheric showers produced by incident gamma rays and cosmic rays with energy from 300 GeV to more than 100 TeV. A crucial phase in analyzing gamma-ray sources using ground-based gamma-ray detectors like HAWC is to identify the showers produced by gamma rays or hadrons. The HAWC observatory records roughly 25,000 events per second, with hadrons representing the vast majority (>99.9%) of these events. The standard gamma/hadron separation technique in HAWC uses a simple rectangular cut involving only two parameters. This work describes the implementation of more sophisticated gamma/hadron separation techniques, via machine learning methods (boosted decision trees and neural networks), and summarizes the resulting improvements in gamma/hadron separation obtained in HAWC. © 2022
Filiaciones:
Alfaro, R.:
Instituto de Fisica, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Alvarez, C.:
Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, Mexico
Alvarez, J. D.:
Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mexico
Angeles Camacho, J. R.:
Instituto de Fisica, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Arteaga-Velazquez, J. C.:
Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mexico
Avila Rojas, D.:
Instituto de Fisica, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Ayala Solares H.A.:
Department of Physics, Pennsylvania State University, University ParkPA, United States
Babu, R.:
Department of Physics, Michigan Technological University, Houghton, MI, United States
Belmont-Moreno, E.:
Instituto de Fisica, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Brisbois, C.:
Department of Physics, University of Maryland, College ParkMD, United States
Caballero-Mora, K. S.:
Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, Mexico
Capistran, T.:
Instituto de Astronomia, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Carramiñana A.:
Instituto Nacional de Astrofísica, Óptica y Electrónica, Puebla, Mexico
Casanova, S.:
Institute of Nuclear Physics Polish Academy of Sciences, Krakow, PL-31342 IFJ-PAN, Poland
Chaparro-Amaro, O.:
Centro de Investigación en Computación, Instituto Politécnico Nacional, México City, Mexico
Cotti, U.:
Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mexico
Cotzomi, J.:
Facultad de Ciencias Fisico Matemáticas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
de León S.C.:
Instituto Nacional de Astrofísica, Óptica y Electrónica, Puebla, Mexico
De la Fuente, E.:
Departamento de Fisica, Centro Universitario de Ciencias Exactase Ingenierias, Universidad de Guadalajara, Guadalajara, Mexico
de Leon, C.:
Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mexico
Diaz Hernandez, R.:
Instituto Nacional de Astrofísica, Óptica y Electrónica, Puebla, Mexico
Dingus, B. L.:
Physics Division, Los Alamos National Laboratory, Los Alamos, NM, United States
DuVernois, M. A.:
Department of Physics, University of Wisconsin-Madison, Madison, WI, United States
Durocher, M.:
Physics Division, Los Alamos National Laboratory, Los Alamos, NM, United States
Diaz-Velez, J. C.:
Departamento de Fisica, Centro Universitario de Ciencias Exactase Ingenierias, Universidad de Guadalajara, Guadalajara, Mexico
Ellsworth, R. W.:
Department of Physics, University of Maryland, College ParkMD, United States
Engel, K.:
Department of Physics, University of Maryland, College ParkMD, United States
Espinoza, C.:
Instituto de Fisica, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Fan, K. L.:
Department of Physics, University of Maryland, College ParkMD, United States
Fernández Alonso M.:
Department of Physics, Pennsylvania State University, University ParkPA, United States
Fraija, N.:
Instituto de Astronomia, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Garcia, D.:
Instituto de Fisica, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Garcia-Gonzalez, J. A.:
Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey, N.L.64849, Mexico
Garfias, F.:
Instituto de Astronomia, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Gonzalez, M. M.:
Instituto de Astronomia, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Goodman, J. A.:
Department of Physics, University of Maryland, College ParkMD, United States
Harding, J. P.:
Physics Division, Los Alamos National Laboratory, Los Alamos, NM, United States
Hernandez, S.:
Instituto de Fisica, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Hona, B.:
Department of Physics and Astronomy, University of Utah, Salt Lake City, UT, United States
Huang, D.:
Department of Physics, Michigan Technological University, Houghton, MI, United States
Hueyotl-Zahuantitla, F.:
Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, Mexico
Huntemeyer, P.:
Department of Physics, Michigan Technological University, Houghton, MI, United States
Iriarte, A.:
Instituto de Astronomia, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Jardin-Blicq, A.:
Max–Planck Institute for Nuclear Physics, Heidelberg, 69117, Germany
Department of Physics, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand
National Astronomical Research Institute of Thailand (Public Organization), Don Kaeo, MaeRim, Chiang Mai, 50180, Thailand
Joshi, V:
Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
Kaufmann, S.:
Universidad Politécnica de Pachuca, Hgo, Pachuca, Mexico
Kunde, G. J.:
Physics Division, Los Alamos National Laboratory, Los Alamos, NM, United States
Lara, A.:
Instituto de Geofisica, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Lee, W. H.:
Instituto de Astronomia, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Lee, J.:
University of Seoul, Seoul, South Korea
Leon Vargas, H.:
Instituto de Fisica, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Linnemann, J. T.:
Department of Physics and Astronomy, Michigan State University, East Lansing, MI, United States
Luis-Raya, G.:
Universidad Politécnica de Pachuca, Hgo, Pachuca, Mexico
Lundeen, J.:
Department of Physics and Astronomy, Michigan State University, East Lansing, MI, United States
Malone, K.:
Physics Division, Los Alamos National Laboratory, Los Alamos, NM, United States
Marandon, V:
Max–Planck Institute for Nuclear Physics, Heidelberg, 69117, Germany
Martinez, O.:
Facultad de Ciencias Fisico Matemáticas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
Martinez-Castro, J.:
Centro de Investigación en Computación, Instituto Politécnico Nacional, México City, Mexico
Matthews, J. A.:
Department of Physics and Astronomy, University of New Mexico, Albuquerque, NM, United States
Miranda-Romagnoli, P.:
Universidad Autónoma Del Estado de Hidalgo, Pachuca, Mexico
Morales-Soto, J. A.:
Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mexico
Nayerhoda, A.:
Institute of Nuclear Physics Polish Academy of Sciences, Krakow, PL-31342 IFJ-PAN, Poland
Nellen, L.:
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de Mexico, Ciudad de Mexico, Mexico
Nisa, M. U.:
Department of Physics and Astronomy, Michigan State University, East Lansing, MI, United States
Noriega-Papaqui, R.:
Universidad Autónoma Del Estado de Hidalgo, Pachuca, Mexico
Olivera-Nieto, L.:
Max–Planck Institute for Nuclear Physics, Heidelberg, 69117, Germany
Omodei, N.:
Department of Physics, Stanford University, Stanford, CA 94305–4060, United States
Peisker, A.:
Department of Physics and Astronomy, Michigan State University, East Lansing, MI, United States
Perez Araujo, Y.:
Instituto de Astronomia, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Perez-Perez, E. G.:
Universidad Politécnica de Pachuca, Hgo, Pachuca, Mexico
Rho, C. D.:
University of Seoul, Seoul, South Korea
Rosa-Gonzalez, D.:
Instituto Nacional de Astrofísica, Óptica y Electrónica, Puebla, Mexico
Ruiz-Velasco, E.:
Max–Planck Institute for Nuclear Physics, Heidelberg, 69117, Germany
Salazar, H.:
Facultad de Ciencias Fisico Matemáticas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
Salesa Greus, F.:
Institute of Nuclear Physics Polish Academy of Sciences, Krakow, PL-31342 IFJ-PAN, Poland
Instituto de Física Corpuscular, CSIC, Universitat de València, Valencia, Paterna, E-46980, Spain
Sandoval, A.:
Instituto de Fisica, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Saz Parkinson P.M.:
Santa Cruz Institute for Particle Physics, Department of Physics, University of California at Santa Cruz, Santa Cruz, CA 95064, United States
Department of Physics, The University of Hong Kong, Pokfulam Road, Hong Kong
Laboratory for Space Research, The University of Hong Kong, Hong Kong
Serna-Franco, J.:
Instituto de Fisica, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
Smith, A. J.:
Department of Physics, University of Maryland, College ParkMD, United States
Springer, R. W.:
Department of Physics and Astronomy, University of Utah, Salt Lake City, UT, United States
Tibolla, O.:
Universidad Politécnica de Pachuca, Hgo, Pachuca, Mexico
Tollefson, K.:
Department of Physics and Astronomy, Michigan State University, East Lansing, MI, United States
Torres, I:
Instituto Nacional de Astrofísica, Óptica y Electrónica, Puebla, Mexico
Torres-Escobedo, R.:
Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai, China
Turner, R.:
Department of Physics, Michigan Technological University, Houghton, MI, United States
Ureña-Mena F.:
Instituto Nacional de Astrofísica, Óptica y Electrónica, Puebla, Mexico
Villaseñor L.:
Facultad de Ciencias Fisico Matemáticas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
Wang, X.:
Department of Physics, Michigan Technological University, Houghton, MI, United States
Watson, I. J.:
University of Seoul, Seoul, South Korea
Werner, F.:
Max–Planck Institute for Nuclear Physics, Heidelberg, 69117, Germany
Willox, E.:
Department of Physics, University of Maryland, College ParkMD, United States
Wood, J.:
NASA Marshall Space Flight Center, Astrophysics Office, Huntsville, AL 35812, United States
Zepeda, A.:
Departamento de Física, Centro de Investigación y de Estudios Avanzados del IPN, Ciudad de México, Mexico
Zhou, H.:
Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai, China
Green Submitted
|