VERITAS and Fermi-LAT Observations of TeV Gamma-Ray Sources Discovered by HAWC in the 2HWC Catalog
Por:
Abeysekara, A. U., Archer, A., Benbow, W., Bird, R., Brose, R., Buchovecky, M., Buckley, J. H., Bugaev, V., Chromey, A. J., Connolly, M. P., Cui, W., Daniel, M. K., Falcone, A., Feng, Q., Finley, J. P., Fortson, L., Furniss, A., Huetten, M., Hanna, D., Hervet, O., Holder, J., Hughes, G., Humensky, T. B., Johnson, C. A., Kaaret, P., Kar, P., Kertzman, M., Kieda, D., Krause, M., Krennrich, F., Kumar, S., Lang, M. J., Lin, T. T. Y., McArthur, S., Moriarty, P., Mukherjee, R., O'Brien, S., Ong, R. A., Otte, A. N., Park, N., Petrashyk, A., Pohl, M., Pueschel, E., Quinn, J., Ragan, K., Reynolds, P. T., Richards, G. T., Roache, E., Rulten, C., Sadeh, I., Santander, M., Sembroski, G. H., Shahinyan, K., Sushch, I., Tyler, J., Wakely, S. P., Weinstein, A., Wells, R. M., Wilcox, P., Wilhelm, A., Williams, D. A., Williamson, T. J., Zitzer, B., Abdollahi, S., Ajello, M., Baldini, L., Barbiellini, G., Bastieri, D., Bellazzini, R., Berenji, B., Bissaldi, E., Blandford, R. D., Bonino, R., Bottacini, E., Brandt, T. J., Bruel, P., Buehler, R., Cameron, R. A., Caputo, R., Caraveo, P. A., Castro, D., Cavazzuti, E., Charles, E., Chiaro, G., Ciprini, S., Cohen-Tanugi, J., Costantin, D., Cutini, S., D'Ammando, F., de Palma, F., Di Lalla, N., Di Mauro, M., Di Venere, L., Dominguez, A., Favuzzi, C., Fegan, S. J., Franckowiak, A., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Giglietto, N., Giordano, F., Giroletti, M., Green, D., Grenier, I. A., Guillemot, L., Guiriec, S., Hays, E., Hewitt, J. W., Horan, D., Johannesson, G., Kensei, S., Kuss, M., Larsson, S., Latronico, L., Lemoine-Goumard, M., Li, J., Longo, F., Loparco, F., Lovellette, M. N., Lubrano, P., Magill, J. D., Maldera, S., Mazziotta, M. N., McEnery, J. E., Michelson, P. F., Mitthumsiri, W., Mizuno, T., Monzani, M. E., Morselli, A., Moskalenko, I. V., Negro, M., Nuss, E., Ojha, R., Omodei, N., Orienti, M., Orlando, E., Palatiello, M., Paliya, V. S., Paneque, D., Perkins, J. S., Persic, M., Pesce-Rollins, M., Petrosian, V., Piron, F., Porter, T. A., Principe, G., Raino, S., Rando, R., Rani, B., Razzano, M., Razzaque, S., Reimer, A., Reimer, O., Reposeur, T., Sgro, C., Siskind, E. J., Spandre, G., Spinelli, P., Suson, D. J., Tajima, H., Thayer, J. B., Thompson, D. J., Torres, D. F., Tosti, G., Troja, E., Valverde, J., Vianello, G., Vogel, M., Wood, K., Yassine, M., Alfaro, R., Alvarez, C., Alvarez, J. D., Arceo, R., Arteaga-Velazquez, J. C., Rojas, D. Avila, Ayala Solares, H. A., 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., Dichiara, S., Dingus, B. L., DuVernois, M. A., Diaz-Velez, J. C., Engel, K., Enriquez-Rivera, O., Fiorino, D. W., Fleischhack, H., Fraija, N., Garcia-Gonzalez, J. A., Garfias, F., Gonzalez Munoz, A., Gonzalez, M. M., Goodman, J. A., Hampel-Arias, Z., Harding, J. P., Hernandez, S., Hernandez-Almada, A., Hona, B., Hueyotl-Zahuantitla, F., Hui, C. M., Huntemeyer, P., Iriarte, A., Jardin-Blicq, A., Joshi, V., Kaufmann, S., Lara, A., Lauer, R. J., Lee, W. H., Lennarz, D., Leon Vargas, H., Linnemann, J. T., Longinotti, A. L., Luis-Raya, G., Luna-Garcia, R., Lopez-Coto, R., Malone, K., Marinelli, S. S., Martinez, O., Martinez-Castellanos, I., Martinez-Castro, J., Martinez-Huerta, H., Matthews, J. A., Miranda-Romagnoli, P., Moreno, E., Mostafa, M., Nayerhoda, A., 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., Salazar, H., Greus, F. Salesa, Sandoval, A., Schneider, M., Arroyo, M. Seglar, Sinnis, G., Smith, A. J., Springer, R. W., Surajbali, P., Taboada, I., Tibolla, O., Tollefson, K., Torres, I., Ukwatta, T. N., Villasenor, L., Weisgarber, T., Westerhoff, S., Wisher, I. G., Wood, J., Yapici, T., Yodh, G., Zepeda, A., Zhou, H., VERITAS Collaboration, Fermi-LAT Collaboration, HAWC Collaboration
Publicada:
10 oct 2018
Resumen:
The High Altitude Water Cherenkov (HAWC) collaboration recently published their 2HWC catalog, listing 39 very high energy (VHE; >100 GeV) gamma-ray sources based on 507 days of observation. Among these, 19 sources are not associated with previously known teraelectronvolt (TeV) gamma-ray sources. We have studied 14 of these sources without known counterparts with VERITAS and Fermi-LAT. VERITAS detected weak gamma-ray emission in the 1 TeV-30 TeV band in the region of DA 495, a pulsar wind nebula coinciding with 2HWC J1953+294, confirming the discovery of the source by HAWC. We did not find any counterpart for the selected 14 new HAWC sources from our analysis of Fermi-LAT data for energies higher than 10 GeV. During the search, we detected gigaelectronvolt (GeV) gamma-ray emission coincident with a known TeV pulsar wind nebula, SNR G54.1+0.3 (VER J1930+188), and a 2HWC source, 2HWC J1930+188. The fluxes for isolated, steady sources in the 2HWC catalog are generally in good agreement with those measured by imaging atmospheric Cherenkov telescopes. However, the VERITAS fluxes for SNR G54.1+0.3, DA 495, and TeV J2032+4130 are lower than those measured by HAWC, and several new HAWC sources are not detected by VERITAS. This is likely due to a change in spectral shape, source extension, or the influence of diffuse emission in the source region. © 2018. The American Astronomical Society. All rights reserved.
Filiaciones:
Abeysekara, A. U.:
Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA
Archer, A.:
Washington Univ, Dept Phys, St Louis, MO 63130 USA
Benbow, W.:
Harvard Smithsonian Ctr Astrophys, Fred Lawrence Whipple Observ, Amado, AZ 85645 USA
Bird, R.:
Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
Brose, R.:
Univ Potsdam, Inst Phys & Astron, D-14476 Potsdam, Germany
DESY, Platanenallee 6, D-15738 Zeuthen, Germany
Buchovecky, M.:
Washington Univ, Dept Phys, St Louis, MO 63130 USA
Buckley, J. H.:
Washington Univ, Dept Phys, St Louis, MO 63130 USA
Bugaev, V.:
Washington Univ, Dept Phys, St Louis, MO 63130 USA
Chromey, A. J.:
Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
Connolly, M. P.:
Natl Univ Ireland Galway, Sch Phys, Univ Rd, Galway, Ireland
Cui, W.:
Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA
Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
Tsinghua Univ, Ctr Astrophys, Beijing 100084, Peoples R China
Daniel, M. K.:
Harvard Smithsonian Ctr Astrophys, Fred Lawrence Whipple Observ, Amado, AZ 85645 USA
Falcone, A.:
Penn State Univ, Dept Astron & Astrophys, 525 Davey Lab, University Pk, PA 16802 USA
Feng, Q.:
McGill Univ, Phys Dept, Montreal, PQ H3A 2T8, Canada
Finley, J. P.:
Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA
Fortson, L.:
Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA
Furniss, A.:
Calif State Univ East Bay, Dept Phys, Hayward, CA 94542 USA
Huetten, M.:
DESY, Platanenallee 6, D-15738 Zeuthen, Germany
Hanna, D.:
McGill Univ, Phys Dept, Montreal, PQ H3A 2T8, Canada
Hervet, O.:
Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA
Univ Calif Santa Cruz, Dept Phys, Santa Cruz, CA 95064 USA
Holder, J.:
Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA
Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA
Hughes, G.:
Harvard Smithsonian Ctr Astrophys, Fred Lawrence Whipple Observ, Amado, AZ 85645 USA
Humensky, T. B.:
Columbia Univ, Dept Phys, 538 W 120th St, New York, NY 10027 USA
Johnson, C. A.:
Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA
Univ Calif Santa Cruz, Dept Phys, Santa Cruz, CA 95064 USA
Kaaret, P.:
Univ Iowa, Dept Phys & Astron, Van Allen Hall, Iowa City, IA 52242 USA
Kar, P.:
Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA
Kertzman, M.:
Depauw Univ, Dept Phys & Astron, Greencastle, IN 46135 USA
Kieda, D.:
Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA
Krause, M.:
DESY, Platanenallee 6, D-15738 Zeuthen, Germany
Krennrich, F.:
Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
Kumar, S.:
Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA
Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA
Lang, M. J.:
Natl Univ Ireland Galway, Sch Phys, Univ Rd, Galway, Ireland
Lin, T. T. Y.:
McGill Univ, Phys Dept, Montreal, PQ H3A 2T8, Canada
McArthur, S.:
Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA
Moriarty, P.:
Natl Univ Ireland Galway, Sch Phys, Univ Rd, Galway, Ireland
Mukherjee, R.:
Columbia Univ, Barnard Coll, Dept Phys & Astron, New York, NY 10027 USA
O'Brien, S.:
Univ Coll Dublin, Sch Phys, Dublin 4, Ireland
Ong, R. A.:
Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
Otte, A. N.:
Georgia Inst Technol, Sch Phys, 837 State St NW, Atlanta, GA 30332 USA
Georgia Inst Technol, Ctr Relativist Astrophys, 837 State St NW, Atlanta, GA 30332 USA
Park, N.:
Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
Univ Wisconsin, Wisconsin IceCube Particle Astrophys Ctr, Madison, WI USA
Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA
Petrashyk, A.:
Columbia Univ, Dept Phys, 538 W 120th St, New York, NY 10027 USA
Pohl, M.:
Univ Potsdam, Inst Phys & Astron, D-14476 Potsdam, Germany
DESY, Platanenallee 6, D-15738 Zeuthen, Germany
Pueschel, E.:
DESY, Platanenallee 6, D-15738 Zeuthen, Germany
Quinn, J.:
Univ Coll Dublin, Sch Phys, Dublin 4, Ireland
Ragan, K.:
McGill Univ, Phys Dept, Montreal, PQ H3A 2T8, Canada
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Cork Inst Technol, Dept Phys Sci, Cork, Ireland
Richards, G. T.:
Georgia Inst Technol, Sch Phys, 837 State St NW, Atlanta, GA 30332 USA
Georgia Inst Technol, Ctr Relativist Astrophys, 837 State St NW, Atlanta, GA 30332 USA
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Harvard Smithsonian Ctr Astrophys, Fred Lawrence Whipple Observ, Amado, AZ 85645 USA
Rulten, C.:
Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA
Sadeh, I.:
DESY, Platanenallee 6, D-15738 Zeuthen, Germany
Santander, M.:
Univ Alabama, Dept Phys & Astron, Tuscaloosa, AL 35487 USA
Sembroski, G. H.:
Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA
Shahinyan, K.:
Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA
Sushch, I.:
DESY, Platanenallee 6, D-15738 Zeuthen, Germany
Tyler, J.:
McGill Univ, Phys Dept, Montreal, PQ H3A 2T8, Canada
Wakely, S. P.:
Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
Weinstein, A.:
Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
Wells, R. M.:
Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
Wilcox, P.:
Univ Iowa, Dept Phys & Astron, Van Allen Hall, Iowa City, IA 52242 USA
Wilhelm, A.:
Univ Potsdam, Inst Phys & Astron, D-14476 Potsdam, Germany
DESY, Platanenallee 6, D-15738 Zeuthen, Germany
Williams, D. A.:
Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA
Univ Calif Santa Cruz, Dept Phys, Santa Cruz, CA 95064 USA
Williamson, T. J.:
Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA
Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA
Zitzer, B.:
McGill Univ, Phys Dept, Montreal, PQ H3A 2T8, Canada
Abdollahi, S.:
Hiroshima Univ, Dept Phys Sci, Higashihiroshima, Hiroshima 7398526, Japan
Ajello, M.:
Clemson Univ, Dept Phys & Astron, Kinard Lab Phys, Clemson, SC 29634 USA
Baldini, L.:
Univ Pisa, I-56127 Pisa, Italy
Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy
Barbiellini, G.:
Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy
Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy
Bastieri, D.:
Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy
Univ Padua, Dipartimento Fis & Astron G Galilei, I-35131 Padua, Italy
Bellazzini, R.:
Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy
Berenji, B.:
Calif State Univ Los Angeles, Dept Phys & Astron, Los Angeles, CA 90032 USA
Bissaldi, E.:
Univ Politecn Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy
Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
Blandford, R. D.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Bonino, R.:
Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy
Univ Turin, Dipartimento Fis, I-10125 Turin, Italy
Bottacini, E.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Univ Padua, Dept Phys & Astron, Vicolo Osservatorio 3, I-35122 Padua, Italy
Brandt, T. J.:
NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
Bruel, P.:
Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France
Buehler, R.:
DESY, Platanenallee 6, D-15738 Zeuthen, Germany
Cameron, R. A.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Caputo, R.:
NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
CRESST, Greenbelt, MD 20771 USA
Caraveo, P. A.:
INAF Ist Astrofis Spaziale & Fis Cosm Milano, Via E Bassini 15, I-20133 Milan, Italy
Castro, D.:
NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
Cavazzuti, E.:
Italian Space Agcy, Via Politecn Snc, I-00133 Rome, Italy
Charles, E.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Chiaro, G.:
INAF Ist Astrofis Spaziale & Fis Cosm Milano, Via E Bassini 15, I-20133 Milan, Italy
Ciprini, S.:
Space Sci Data Ctr Agenzia Spaziale Italiana, Via Politecn Snc, I-00133 Rome, Italy
Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy
Cohen-Tanugi, J.:
Univ Montpellier, Lab Univers & Particules Montpellier, CNRS IN2P3, F-34095 Montpellier, France
Costantin, D.:
Univ Padua, Dipartimento Fis & Astron G Galilei, I-35131 Padua, Italy
Cutini, S.:
Space Sci Data Ctr Agenzia Spaziale Italiana, Via Politecn Snc, I-00133 Rome, Italy
Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy
D'Ammando, F.:
INAF Ist Radioastron, I-40129 Bologna, Italy
Univ Bologna, Dipartimento Astron, I-40127 Bologna, Italy
de Palma, F.:
Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
Univ Telemat Pegaso, Piazza Trieste & Trento 48, I-80132 Naples, Italy
Di Lalla, N.:
Univ Pisa, I-56127 Pisa, Italy
Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy
Di Mauro, M.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Di Venere, L.:
Univ Politecn Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy
Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
Dominguez, A.:
Univ Complutense Madrid, Grp Altas Energias, E-28040 Madrid, Spain
Favuzzi, C.:
Univ Politecn Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy
Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
Fegan, S. J.:
Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France
Franckowiak, A.:
DESY, D-15738 Zeuthen, Germany
Fukazawa, Y.:
Hiroshima Univ, Dept Phys Sci, Higashihiroshima, Hiroshima 7398526, Japan
Funk, S.:
Friedrich Alexander Univ Erlangen Nurnberg, Erlangen Ctr Astroparticle Phys, Erwin Rommel Str 1, D-91058 Erlangen, Germany
Fusco, P.:
Univ Politecn Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy
Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
Gargano, F.:
Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
Gasparrini, D.:
Space Sci Data Ctr Agenzia Spaziale Italiana, Via Politecn Snc, I-00133 Rome, Italy
Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy
Giglietto, N.:
Univ Politecn Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy
Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
Giordano, F.:
Univ Politecn Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy
Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
Giroletti, M.:
INAF Ist Radioastron, I-40129 Bologna, Italy
Green, D.:
NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
Univ Maryland, Dept Astron, College Pk, MD 20742 USA
Grenier, I. A.:
Univ Paris Diderot, Lab AIM, CEA IRFU, CNRS,Serv Astrophys,CEA Saclay, F-91191 Gif Sur Yvette, France
Guillemot, L.:
Univ Orleans, CNRS, Lab Phys & Chim Environnem & Espace, F-45071 Orleans 02, France
CNRS, INSU, Observ Paris, Stn Radioastron Nancay, F-18330 Nancay, France
Guiriec, S.:
NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
George Washington Univ, Dept Phys, 725 21st St NW, Washington, DC 20052 USA
Hays, E.:
NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
Hewitt, J. W.:
Univ North Florida, Dept Phys, 1 UNF Dr, Jacksonville, FL 32224 USA
Horan, D.:
Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France
Johannesson, G.:
Univ Iceland, Sci Inst, IS-107 Reykjavik, Iceland
KTH Royal Inst Technol, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden
Stockholm Univ, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden
Kensei, S.:
Hiroshima Univ, Dept Phys Sci, Higashihiroshima, Hiroshima 7398526, Japan
Kuss, M.:
Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy
Larsson, S.:
AlbaNova, KTH Royal Inst Technol, Dept Phys, SE-10691 Stockholm, Sweden
AlbaNova, Oskar Klein Ctr Cosmoparticle Phys, SE-10691 Stockholm, Sweden
Latronico, L.:
Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy
Lemoine-Goumard, M.:
Univ Bordeaux 1, IN2P3 CNRS, Ctr Etudes Nucl Bordeaux Gradignan, BP120, F-33175 Gradignan, France
Li, J.:
Inst Space Sci CSICIEEC, Campus UAB,Carrer Magrans S-N, E-08193 Barcelona, Spain
Longo, F.:
Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy
Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy
Loparco, F.:
Univ Politecn Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy
Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
Lovellette, M. N.:
Naval Res Lab, Div Space Sci, Washington, DC 20375 USA
Lubrano, P.:
Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy
Magill, J. D.:
Univ Maryland, Dept Astron, College Pk, MD 20742 USA
Maldera, S.:
Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy
Mazziotta, M. N.:
Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
McEnery, J. E.:
NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
Univ Maryland, Dept Astron, College Pk, MD 20742 USA
Michelson, P. F.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Mitthumsiri, W.:
Mahidol Univ, Dept Phys, Fac Sci, Bangkok 10400, Thailand
Mizuno, T.:
Hiroshima Univ, Hiroshima Astrophys Sci Ctr, Higashihiroshima, Hiroshima 7398526, Japan
Monzani, M. E.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Morselli, A.:
Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy
Moskalenko, I. V.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Negro, M.:
Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy
Univ Turin, Dipartimento Fis, I-10125 Turin, Italy
Nuss, E.:
Univ Montpellier, Lab Univers & Particules Montpellier, CNRS IN2P3, F-34095 Montpellier, France
Ojha, R.:
NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
Omodei, N.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Orienti, M.:
INAF Ist Radioastron, I-40129 Bologna, Italy
Orlando, E.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Palatiello, M.:
Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy
Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy
Paliya, V. S.:
Clemson Univ, Dept Phys & Astron, Kinard Lab Phys, Clemson, SC 29634 USA
Paneque, D.:
Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
Perkins, J. S.:
NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
Persic, M.:
Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy
Ist Nazl Astrofis, Osservatorio Astron Trieste, I-34143 Trieste, Italy
Pesce-Rollins, M.:
Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy
Petrosian, V.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Piron, F.:
Univ Montpellier, Lab Univers & Particules Montpellier, CNRS IN2P3, F-34095 Montpellier, France
Porter, T. A.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Principe, G.:
Friedrich Alexander Univ Erlangen Nurnberg, Erlangen Ctr Astroparticle Phys, Erwin Rommel Str 1, D-91058 Erlangen, Germany
Raino, S.:
Univ Politecn Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy
Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
Rando, R.:
Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy
Univ Padua, Dipartimento Fis & Astron G Galilei, I-35131 Padua, Italy
Rani, B.:
NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
Razzano, M.:
Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy
Razzaque, S.:
Univ Johannesburg, Dept Phys, POB 524,Auckland Pk, Auckland 2006, New Zealand
Reimer, A.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Leopold Franzens Univ Innsbruck, Inst Astro & Teilchenphys, A-6020 Innsbruck, Austria
Leopold Franzens Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria
Reimer, O.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Leopold Franzens Univ Innsbruck, Inst Astro & Teilchenphys, A-6020 Innsbruck, Austria
Leopold Franzens Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria
Reposeur, T.:
Univ Bordeaux 1, IN2P3 CNRS, Ctr Etudes Nucl Bordeaux Gradignan, BP120, F-33175 Gradignan, France
Sgro, C.:
Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy
Siskind, E. J.:
NYCB Real Time Comp Inc, Lattingtown, NY 11560 USA
Spandre, G.:
Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy
Spinelli, P.:
Univ Politecn Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy
Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
Suson, D. J.:
Purdue Univ Northwest, Hammond, IN 46323 USA
Tajima, H.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Nagoya Univ, Solar Terr Environm Lab, Nagoya, Aichi 4648601, Japan
Thayer, J. B.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Thompson, D. J.:
NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
Torres, D. F.:
Inst Space Sci CSICIEEC, Campus UAB,Carrer Magrans S-N, E-08193 Barcelona, Spain
ICREA, E-08010 Barcelona, Spain
Tosti, G.:
Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy
Univ Perugia, Dipartimento Fis, I-06123 Perugia, Italy
Troja, E.:
NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
Univ Maryland, Dept Astron, College Pk, MD 20742 USA
Valverde, J.:
Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France
Vianello, G.:
Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
Vogel, M.:
Calif State Univ Los Angeles, Dept Phys & Astron, Los Angeles, CA 90032 USA
Wood, K.:
Praxis Inc, Alexandria, VA 22303 USA
Naval Res Lab, Washington, DC 20375 USA
Yassine, M.:
Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy
Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy
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
Rojas, D. Avila:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico
Ayala Solares, H. A.:
Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA
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.:
Polish Acad Sci, Inst Nucl Phys, IFJ PAN, PL-31342 Krakow, Poland
Max Planck Inst Nucl Phys, Heidelberg, Germany
Castillo, M.:
Univ Michoacana, Morelia, Michoacan, Mexico
Cotti, U.:
Univ Michoacana, Morelia, Michoacan, Mexico
Cotzomi, J.:
Benemerita Univ Autonoma Puebla, Fac Ciencias Fis Matemat, Puebla, Mexico
Coutino de Leon, S.:
Inst Nacl Astrofis Opt & Electr, Puebla, Mexico
De Leon, C.:
Benemerita Univ Autonoma Puebla, Fac Ciencias Fis Matemat, Puebla, Mexico
De la Fuente, E.:
Univ Guadalajara, Dept Fis CUCEI, Guadalajara, Mexico
Univ Guadalajara, Ciencias Nat & Exactas CUVALLES, Guadalajara, Mexico
Dichiara, S.:
Univ Nacl Autonoma Mexico, Inst Astron, Mexico City, DF, Mexico
Dingus, B. L.:
Los Alamos Natl Lab, Div Phys, 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 CUCEI, Guadalajara, Mexico
Univ Guadalajara, Ciencias Nat & Exactas CUVALLES, Guadalajara, Mexico
Engel, K.:
Univ Maryland, Dept Phys, College Pk, MD 20742 USA
Enriquez-Rivera, O.:
Univ Nacl Autonoma Mexico, Inst Geofis, Mexico City, DF, Mexico
Fiorino, D. W.:
Univ Maryland, Dept Phys, College Pk, MD 20742 USA
Fleischhack, H.:
Michigan Technol Univ, Dept Phys, Houghton, MI 49931 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 Munoz, A.:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico
Gonzalez, M. M.:
Univ Nacl Autonoma Mexico, Inst Astron, Mexico City, DF, Mexico
Goodman, J. A.:
Univ Maryland, Dept Phys, College Pk, MD 20742 USA
Hampel-Arias, Z.:
Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA
Harding, J. P.:
Los Alamos Natl Lab, Div Phys, Los Alamos, NM USA
Hernandez-Almada, A.:
Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico
Hona, B.:
Michigan Technol Univ, Dept Phys, Houghton, MI 49931 USA
Hueyotl-Zahuantitla, F.:
Univ Autonoma Chiapas, Tuxtla Gutierrez, Chiapas, Mexico
Hui, C. M.:
NASA, Marshall Space Flight Ctr, Astrophys Off, Huntsville, AL 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, Heidelberg, Germany
Joshi, V.:
Max Planck Inst Nucl Phys, Heidelberg, Germany
Kaufmann, S.:
Univ Autonoma Chiapas, Tuxtla Gutierrez, Chiapas, Mexico
Lara, A.:
Univ Nacl Autonoma Mexico, Inst Geofis, Mexico City, DF, Mexico
Lauer, R. J.:
Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA
Lee, W. H.:
Univ Nacl Autonoma Mexico, Inst Astron, Mexico City, DF, Mexico
Lennarz, D.:
Georgia Inst Technol, Sch Phys, 837 State St NW, Atlanta, GA 30332 USA
Georgia Inst Technol, Ctr Relativist Astrophys, 837 State St NW, 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
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, 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, O.:
Benemerita Univ Autonoma Puebla, Fac Ciencias Fis Matemat, Puebla, Mexico
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, Ctr Invest & Estud Avanzados, Phys Dept, Mexico City, DF, Mexico
Matthews, J. A.:
Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 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 Matemat, Puebla, Mexico
Mostafa, M.:
Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA
Nayerhoda, A.:
Polish Acad Sci, Inst Nucl Phys, IFJ PAN, PL-31342 Krakow, Poland
Nellen, L.:
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City, DF, Mexico
Newbold, M.:
Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 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 87131 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
Salazar, H.:
Benemerita Univ Autonoma Puebla, Fac Ciencias Fis Matemat, Puebla, Mexico
Greus, F. Salesa:
Polish Acad Sci, Inst Nucl Phys, IFJ PAN, PL-31342 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
Arroyo, M. Seglar:
Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA
Sinnis, G.:
Los Alamos Natl Lab, Div Phys, 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 84112 USA
Surajbali, P.:
Max Planck Inst Nucl Phys, Heidelberg, Germany
Taboada, I.:
Georgia Inst Technol, Sch Phys, 837 State St NW, Atlanta, GA 30332 USA
Georgia Inst Technol, Ctr Relativist Astrophys, 837 State St NW, 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
Ukwatta, T. N.:
Los Alamos Natl Lab, Div Phys, Los Alamos, NM USA
Villasenor, L.:
Benemerita Univ Autonoma Puebla, Fac Ciencias Fis Matemat, Puebla, Mexico
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
Wisher, I. G.:
Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA
Wood, J.:
Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA
Yapici, T.:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Yodh, G.:
Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA
Zepeda, A.:
Univ Autonoma Chiapas, Tuxtla Gutierrez, Chiapas, Mexico
IPN, Ctr Invest & Estud Avanzados, Phys Dept, Mexico City, DF, Mexico
Zhou, H.:
Los Alamos Natl Lab, Div Phys, Los Alamos, NM USA
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