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7 results on '"Lenisa, T"'

1. Variable Very-High-Energy Gamma-Ray Emission from the Microquasar LS I +61 303

Author

Albert, J., Aliu, E., Anderhub, H., Antoranz, P., Armada, A., Asensio, M., Baixeras, C., Barrio, J. A., Bartelt, M., Bartko, H., Bastieri, D., Bavikadi, S. R., Bednarek, W., Berger, K., Bigongiari, C., Biland, A., Bisesi, E., Bock, R. K., Bordas, P., Bosch-Ramon, V., Bretz, T., Britvitch, I., Camara, M., Carmona, E., Chilingarian, A., Ciprini, S., Coarasa, J. A., Commkhau, S., Contreras, J. L., Cortina, J., Curtef, V., Danielyan, V., Dazzi, F., De Angelis, A., de los Reyes, R., De Lotto, B., Domingo-Santamaria, E., Dorner, D., Doro, M., Errando, M., Fagiolini, M., Ferenc, D., Fernandez, E., Firpo, R., Flix, J., Fonseca, M. V., Font, L., Fuchs, M., Galante, N., Garczarczyk, M., Gaug, M., Giller, M., Goebel, F., Hakobyan, D., Hayashida, M., Hengstebeck, T., Höhne, D., Hose, J., Hsu, C. C., Isar, P. G., Jacon, P., Kalekin, O., Kosyra, R., Kranich, D., Laatiaoui, M., Laille, A., Lenisa, T., Liebing, P., Lindfors, E., Lombardi, S., Longo, F., Lopez, J., López, M., Lorenz, E., Lucarelli, F., Majumdar, P., Maneva, G., Mannheim, K., Mansutti, O., Mariotti, M., Martínez, M., Mase, K., Mazin, D., Merck, C., Meucci, M., Meyer, M., Miranda, J. M., Mirzoyan, R., Mizobuchi, S., Moralejo, A., Nilsson, K., Oña-Wilhelmi, E., Orduña, R., Otte, N., Oya, I., Paneque, D., Paoletti, R., Paredes, J. M., Pasanen, M., Pascoli, D., Pauss, F., Pavel, N., Pegna, R., Persic, M., Peruzzo, L., Piccioli, A., Poller, M., Pooley, G., Prandini, E., Raymers, A., Rhode, W., Ribó, M., Rico, J., Riegel, B., Rissi, M., Robert, A., Romero, G. E., Rügamer, S., Saggion, A., Sánchez, A., Sartori, P., Scalzotto, V., Scapin, V., Schmitt, R., Schweizer, T., Shayduk, M., Shinozaki, K., Shore, S. N., Sidro, N., Sillanpää, A., Sobczynska, D., Stamerra, A., Stark, L. S., Takalo, L., Temnikov, P., Tescaro, D., Teshima, M., Tonello, N., Torres, A., Torres, D. F., Turini, N., Vankov, H., Vitale, V., Wagner, R. M., Wibig, T., Wittek, W., Zanin, R., and Zapatero, J.

Published
2006

2. Particle identification with the Silicon Transition Radiation Detector (SiTRD): State of art and future perspectives

Author

Brigida, M., Chiaradia, M.T., Favuzzi, C., Fusco, P., Gargano, F., Giglietto, N., Giordano, F., Loparco, F., Marangelli, B., Mazziotta, M.N., Mirizzi, N., Rainó, S., Spinelli, P., Barbarino, G., Campana, D., Osteria, G., Palladino, V., Russo, S., Barbiellini, G., Longo, F., Bisesi, E., Ceschia, M., De Angelis, A., Forti, A., Delotto, B., Lenisa, T., and Pin, M.

Published
2006
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4. Physics and astrophysics with a ground-based gamma-ray telescope of low energy threshold

Author

Fort, J. Albert i, Armada, A., Baixeras, C., Bartko, H., Bastieri, D., Bednarek, W., Bigongiari, C., Biland, A., Bisesi, E., Blanch, O., Bock, R.K., Bretz, T., Chilingarian, A., Ciprini, S., Commichau, S., Contreras, J.L., Cortina, J., Danielyan, V., Dazzi, F., De Angelis, A., De Lotto, B., Domingo, E., Dorner, D., Doro, M., Epler, O., Ferenc, D., Fernández, E., Firpo, R., Flix, J., Fonseca, M.V., Font, L., Galante, N., Garczarczyk, M., Gaug, M., Gebauer, J., Giannitrapani, R., Giller, M., Goebel, F., Hengstebeck, T., Jacon, P., de Jager, O.C., Kalekin, O., Kranich, D., Laille, A., Lenisa, T., Lindfors, E., Longo, F., López, M., López, J., Lorenz, E., Lucarelli, F., Mannheim, K., Mariotti, M., Martinez, M., Mase, K., Mazin, D., Merck, C., Merck, M., Meucci, M., Meyer, M., Mirzoyan, R., Mizobuchi, S., Moralejo, A., Oña-Wilhelmi, E., Orduña, R., Otte, N., Paneque, D., Paoletti, R., Pasanen, M., Pascoli, D., Pauss, F., Pavel, N., Pegna, R., Peruzzo, L., Piccioli, A., Pin, M., de los Reyes, R., Rico, J., Renker, D., Robert, A., Rossato, G., Saggion, A., Sánchez, A., Sartori, P., Scalzotto, V., Schweizer, T., Shayduk, M., Shinozaki, K., Sillanpää, A., Sobczynska, D., Stamerra, A., Stark, L., Takalo, L., Teshima, M., Tonello, N., Torres, A., Turini, N., Viertel, G., Vitale, V., Volkov, S., Wagner, R., Wibig, T., and Wittek, W.

Published
2005
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5. Discovery of VHE gamma-ray emission from 1ES1218+30.4

Author

MAGIC collaboration, Bartelt, M., Bartko, H., Bastieri, D., Bavikadi, S. R., Bednarek, W., Berger, K., Bigongiari, C., Biland, A., Bisesi, E., Bock, R. K., Albert, J., Bretz, T., Britvitch, I., Camara, M., Chilingarian, A., Ciprini, S., Coarasa, J. A., Commichau, S., Contreras, J. L., Cortina, J., Curtef, V., Aliu, E., Danielyan, V., Dazzi, F., De Angelis, A., Reyes, R. de los, De Lotto, B., Domingo-Santamaria, E., Dorner, D., Doro, M., Errando, M., Fagiolini, M., Anderhub, H., Ferenc, D., Fernandez, E., Firpo, R., Flix, J., Fonseca, M. V., Font, L., Galante, N., Garczarczyk, M., Gaug, M., Giller, M., Antoranz, P., Goebel, F., Hakobyan, D., Hayashida, M., Hengstebeck, T., Hoehne, D., Hose, J., Jacon, P., Kalekin, O., Kranich, D., Laille, A., Armada, A., Lenisa, T., Liebing, P., Lindfors, E., Asensio, M., Baixeras, C., and Barrio, J. A.

Subjects
Astrophysics (astro-ph), FOS: Physical sciences, Astrophysics
Abstract

The MAGIC collaboration has studied the high peaked BL-Lac object 1ES1218+30.4 at a redshift z = 0.182, using the MAGIC imaging air Cherenkov telescope located on the Canary island of La Palma. A gamma-ray signal was observed with 6.4sigma significance. The differential energy spectrum for an energy threshold of 120GeV can be fitted by a simple power law yielding F_E(E) = (8.1+-2.1)*10^-7 (E/250GeV)^(-3.0+-0.4) TeV^-1 m^-2 s^-1. During the six days of observation in January 2005 no time variability on time scales of days was found within the statistical errors. The observed integral flux above 350GeV is nearly a factor two below the the upper limit reported by the Whipple Collaboration in 2003., 5 pages, 4 figures, submitted to ApJ

Published
2006

6. THE MAGIC EXPERIMENT AND ITS FIRST RESULTS.

Author

SIDHARTH, B.G., HONSELL, F., BASTIERI, D., BAVIKADI, R., BIGONGIARI, C., BISESI, E., BOINEE, P., DE ANGELIS, A., LOTTO, B. DE, FORTI, A., LENISA, T., LONGO, F., MANSUTTI, O., MARIOTTI, M., MORALEJO, A., PASCOLI, D., PERUZZO, L., SAGGION, A., SARTORI, P., and SCALZOTTO, V.

Abstract

With its diameter of 17m, the MAGIC telescope is the largest Cherenkov detector for gamma ray astrophysics. It is sensitive to photons above an energy of 30 GeV. MAGIC started operations in October 2003 and is currently taking data. This report summarizes its main characteristics, its first results and its potential for physics. [ABSTRACT FROM AUTHOR]

Published
2006
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7. Variable very-high-energy gamma-ray emission from the microquasar LS I +61 303

Author

S. Lombardi, M. Rissi, Abelardo Moralejo, C. C. Hsu, F. Pauss, D. Kranich, J. Hose, Petar Temnikov, Stefano Ciprini, K. Mannheim, M. Meyer, M. Garczarczyk, Steven N. Shore, W. Bednarek, H. Bartko, Francesco Longo, W. Wittek, A. Sillanpää, Masaaki Hayashida, Manel Errando, Jose Flix, Ll. Font, Jose Luis Contreras, Juan Abel Barrio, Michela Fagiolini, Oriana Mansutti, P. Antoranz, K. Nilsson, M. Laatiaoui, Daniel Ferenc, V. Danielyan, Michele Doro, Juan Cortina, H. Vankov, R. Orduña, P. Majumdar, V. Scapin, R. Pegna, E. Oña-Wilhelmi, Valentí Bosch-Ramon, Paula Gina Isar, M. Shayduk, David Paneque, Thomas Bretz, Josep M. Paredes, A. Raymers, D. Tescaro, Tadeusz Wibig, R. Mirzoyan, E. Lorenz, L. Peruzzo, M. Bartelt, Florian Goebel, Maria Giller, A. De Angelis, A. Piccioli, D. Hakobyan, N. Otte, B. De Lotto, S. Mizobuchi, Nicola Galante, M. Poller, B. Riegel, Wolfgang Rhode, J. Rico, E. Carmona, Francesco Dazzi, Gustavo E. Romero, N. Tonello, D. Pascoli, M. Camara, N. Pavel, K. Berger, A. Armada, R. Kosyra, Robert Wagner, D. Höhne, Marc Ribó, J. Zapatero, T. Schweizer, A. Torres, K. Mase, P. Jacon, I. Oya, M. Asensio, V. Vitale, C. Merck, R. K. Bock, I. Britvitch, G. Maneva, R. Schmitt, Dorota Sobczyńska, A. Saggion, V. Scalzotto, Justin Albert, Diego F. Torres, Ciro Bigongiari, Adrian Biland, C. Baixeras, H. Anderhub, Mario Meucci, Masahiro Teshima, Markus Gaug, K. Shinozaki, E. Aliu, Elina Lindfors, A. Laille, F. Lucarelli, Daniel Mazin, L. S. Stark, M. Pasanen, S. Rügamer, A. Robert, P. Sartori, E. Domingo-Santamaría, R. de los Reyes, M. López, T. Lenisa, Nicola Turini, M. V. Fonseca, Denis Bastieri, M. I. Martínez, S. R. Bavikadi, Alvaro Sanchez, N. Sidro, R. Zanin, T. Hengstebeck, Pol Bordas, M. Fuchs, Massimo Persic, Josue J. Lopez, J. A. Coarasa, Riccardo Paoletti, P. Liebing, Antonio Stamerra, Elisa Prandini, E. Fernandez, Ashot Chilingarian, O. Kalekin, R. Firpo, Guy G. Pooley, E. Bisesi, S. Commichau, Jose Miguel Miranda, V. Curtef, L. O. Takalo, Mosè Mariotti, Daniela Dorner, Universitat de Barcelona, Albert, J., Aliu, E., Anderhub, H., Antoranz, P., Armada, A., Asensio, M., Baixeras, C., Barrio, J. A., Bartelt, M., Bartko, H., Bastieri, D., Bavikadi, S. R., Bednarek, W., Berger, K., Bigongiari, C., Biland, A., Bisesi, E., Bock, R. K., Bordas, P., Bosch Ramon, V., Bretz, T., Britvitch, I., Camara, M., Carmona, E., Chilingarian, A., Ciprini, S., Coarasa, J. A., Commichau, S., Contreras, J. L., Cortina, J., Curtef, V., Danielyan, V., Dazzi, F., De Angelis, A., de los Reyes, R., De Lotto, B., Domingo Santamaría, E., Dorner, D., Doro, M., Errando, M., Fagiolini, M., Ferenc, D., Fernández, E., Firpo, R., Flix, J., Fonseca, M. V., Font, L., Fuchs, M., Galante, N., Garczarczyk, M., Gaug, M., Giller, M., Goebel, F., Hakobyan, D., Hayashida, M., Hengstebeck, T., Höhne, D., Hose, J., Hsu, C. C., Isar, P. G., Jacon, P., Kalekin, O., Kosyra, R., Kranich, D., Laatiaoui, M., Laille, A., Lenisa, T., Liebing, P., Lindfors, E., Lombardi, S., Longo, Francesco, López, J., López, M., Lorenz, E., Lucarelli, F., Majumdar, P., Maneva, G., Mannheim, K., Mansutti, O., Mariotti, M., Martínez, M., Mase, K., Mazin, D., Merck, C., Meucci, M., Meyer, M., Miranda, J. M., Mirzoyan, R., Mizobuchi, S., Moralejo, A., Nilsson, K., Oña Wilhelmi, E., Orduña, R., Otte, N., Oya, I., Paneque, D., Paoletti, R., Paredes, J. M., Pasanen, M., Pascoli, D., Pauss, F., Pavel, N., Pegna, R., Persic, M., Peruzzo, L., Piccioli, A., Poller, M., Pooley, G., Prandini, E., Raymers, A., Rhode, W., Ribó, M., Rico, J., Riegel, B., Rissi, M., Robert, A., Romero, G. E., Rügamer, S., Saggion, A., Sánchez, A., Sartori, P., Scalzotto, V., Scapin, V., Schmitt, R., Schweizer, T., Shayduk, M., Shinozaki, K., Shore, S. N., Sidro, N., Sillanpää, A., Sobczynska, D., Stamerra, A., Stark, L. S., Takalo, L., Temnikov, P., Tescaro, D., Teshima, M., Tonello, N., Torres, A., Torres, D. F., Turini, N., Vankov, H., Vitale, V., Wagner, R. M., Wibig, T., Wittek, W., Zanin, R., and Zapatero, J.

Subjects
Astrofísica, Ciencias Físicas, Raigs còsmics, orbital cycles, VHE Gamma ray, ATMOSPHERIC CHERENKOV TELESCOPE, Microquasar, QUASAR, Estels binaris, Astrophysics, LS I +61 303 (microcuásar), purl.org/becyt/ford/1 [https], Astrophysical jet, Microquasars, Jets (Astrofísica), Gamma ray astronomy, Radio astronomy, Absorption (electromagnetic radiation), Very High-energy Gamma-rays, Cherenkov tekescopes, Physics, Multidisciplinary, Astrophysics (astro-ph), Gamma ray, Radioastronomia, Electrónica, Física nuclear, Electricidad, CIENCIAS NATURALES Y EXACTAS, Astrophysics::High Energy Astrophysical Phenomena, Very High-energy Gamma-ray, Phase (waves), FOS: Physical sciences, microquasars, Cosmic ray, Astrophysics::Cosmology and Extragalactic Astrophysics, Binary stars, Double stars, Binary star, Astronomia de raigs gamma, Quasars, Cosmic rays, Quàsars, Astrophysics::Galaxy Astrophysics, Astronomy, Quasar, purl.org/becyt/ford/1.3 [https], gamma-ray emission, Astrophysical jets, Astronomía, Stars
Abstract

Microquasars are binary star systems with relativistic radio-emitting jets. They are potential sources of cosmic rays and can be used to elucidate the physics of relativistic jets. We report the detection of variable gamma-ray emission above 100 gigaelectron volts from the microquasar LS I 61 + 303. Six orbital cycles were recorded. Several detections occur at a similar orbital phase, which suggests that the emission is periodic. The strongest gamma-ray emission is not observed when the two stars are closest to one another, implying a strong orbital modulation of the emission or absorption processes., La lista completa de autores que integran el documento puede consultarse en el archivo., Facultad de Ciencias Astronómicas y Geofísicas, Instituto Argentino de Radioastronomía

Published
2006

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