Zobrazeno 1 - 10
of 20
pro vyhledávání: '"J.-M. Lavigne"'
Autor:
J. Tueller, B. Cordier, J. E. Naya, Bonnard J. Teegarden, Pierre Leleux, V. Borrel, P. von Ballmoos, A. M. Parsons, Pierre Jean, J. M. Lavigne, N. Gehrels, G. Vedrenne, F. Albernhe, Scott Barthelmy, Lyle M. Bartlett
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 396:374-382
The results of irradiations of isotopically enriched and natural Ge detectors with a neutron beam are presented. The analysis of the gamma-ray lines generated by decay of neutron induced unstable nuclei have provided us with a direct measurement of r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86835f0afe3e1aa3c316d758e770a41e
https://doi.org/10.1016/s0168-9002(97)00799-7
https://doi.org/10.1016/s0168-9002(97)00799-7
Autor:
L. F. Kalinkin, E. I. Chuikin, M.A. Russakovitch, N. G. Leikov, V. Y. Tugaenko, M. I. Fradkin, I. D. Blokhintsev, L. V. Kurnosova, A. R. Bazer-Bachi, V.G. Afanassyev, A. M. Galper, V. A. Rud'Ko, Nikolay Topchiev, V. M. Zemskov, J. F. Olive, J.-M. Lavigne, V. E. Nesterov, M. Gros, V. V. Akimov, M. F. Runtso, Yu. V. Ozerov
Publikováno v:
Advances in Space Research. 13:739-742
The Geminga light curve obtained with the “Gamma-1” telescope features two peaks separated by 0.5 ± 0.03 period. The light curve is pronounced for γ-quanta energies higher than 400 MeV. The pulsed flux upper limit (1σ) in the energy interval 5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9044b22b5c033b2dfb51c01e3b1af0d2
https://doi.org/10.1016/0273-1177(93)90190-m
https://doi.org/10.1016/0273-1177(93)90190-m
Autor:
V.A. Rugki, J. Juchniewicz, M. I. Fradkin, M. Gros, V.G. Afanassyev, N. G. Leikov, V. M. Zemskov, A. M. Galper, E. Barouch, E. I. Chuiken, P. M. McCulloch, J.-M. Lavigne, J. Grygorczuk, V. E. Nesterov, J. F. Olive, I. D. Blokhintsev, A. Buczkowska, V. V. Akimov, Nikolay Topchiev, A. R. Bazer-Bachi, Yu. V. Ozerov, I. Grenier
Publikováno v:
Advances in Space Research. 13:657-664
Two observations of the Vela Pulsar in the energy range 50–5000 MeV performed with the GAMMA-1 telescope in 1990 and 1991 allowed us to study time variability of the pulsar light curve and energy spectra. The light curve for Eγ > 50 MeV shows defi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eaae7b2168278e9be992a9e5292191c0
https://doi.org/10.1016/0273-1177(93)90177-d
https://doi.org/10.1016/0273-1177(93)90177-d
Autor:
V.M. Zemskoy, Nikolay Topchiev, V. A. Volsenskaya, J.-M. Lavigne, J. F. Olive, L. F. Kalinkin, V. V. Akimov, A. M. Galper, V. Y. Tugaenko, E. I. Chuikin, M. Gros, I. Grenier, A. R. Bazer-Bachi, Yu. V. Ozerov, V. E. Nesterov, N. G. Leikov, M. I. Fradkin
Publikováno v:
Advances in Space Research. 13:249-253
The gamma-ray telescope GAMMA-1 has registered gamma-emission in the range 30 – 2000 MeV from two solar flares. Spectral analysis with the use of maximum likelihood and maximum entropy methods has revealed the difference of gamma-ray production mec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bcd98cfa5a3736c9f8bc8ab1ec411889
https://doi.org/10.1016/0273-1177(93)90486-u
https://doi.org/10.1016/0273-1177(93)90486-u
Autor:
A. R. Bazer-Bachi, V. Y. Tugaenko, V. E. Nesterov, M. Gros, M. I. Fradkin, J. M. Lavigne, V. M. Zemskov, V. A. Volsenskaya, Nikolay Topchiev, L. F. Kalinkin, V. V. Akimov, I. Grenier, N. G. Leikov, A.M. Galpert, E. I. Chuikin, Y. V. Oserov, J. F. Olive
Publikováno v:
Nuclear Physics B - Proceedings Supplements. 33:208-212
The gamma-ray telescope GAMMA-1 has been operated from July 11, 1990, to February 28, 1992. During this period, the Sun was observed as a primary target several times, when its activity was on an increasing phase. Four outstanding flares were recorde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48bf3e994d4407a82d0e872e60a516d5
https://doi.org/10.1016/0920-5632(93)90093-l
https://doi.org/10.1016/0920-5632(93)90093-l
Autor:
B. Martino, G. Agnetta, Fernando Pedichini, Enrico Massaro, B. Agrinier, Teresa Mineo, R. Di Raffaele, M. N. Citi, Gaetano Gerardi, E. Morelli, N. D'Amico, G. Cusumano, M. Gros, J. L. Masnou, A. Rubini, Benedetto Biondo, Bruno Sacco, M. Tripiciano, G. Natali, Giorgio Matt, G. Medici, G. D'Ali, Luciano Nicastro, M. C. Maccarone, J. M. Lavigne, A. Mangano, E. Costa, Osvaldo Catalano, Livio Scarsi
Publikováno v:
AIP Conference Proceedings.
We present the design of a balloon borne experiment based on the Limited Streamer Tube technology as a tracking telescope to detect gamma rays above 50 MeV. This technique allows one to obtain very large sensitive areas (16 m2 in our experiment). Bec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5160b1145f618c1153fbc1cd10a347a5
https://doi.org/10.1063/1.44148
https://doi.org/10.1063/1.44148
Autor:
S. R. Kane, P. Feffer, C.P. Cork, Steven McBride, K. Youseffi, J. M. Lavigne, G. Rouaix, David M. Smith, Richard H. Pehl, J.H. Primbsch, S. Slassi-Sennou, Paul N. Luke, Michael R. Pelling, D. Malone, F. Cotin, Kevin Hurley, Norman W. Madden, Robert P. Lin, G. Zimmer, G. Vedrenne
Publikováno v:
SPIE Proceedings.
The elements of a high resolution gamma-ray spectrometer, developed for observations of solar flares, are described. Emphasis is given to those aspects of the system that relate to its operation on a long duration balloon platform. The performance of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45d0e126d00ee679372f565af4a3c634
https://doi.org/10.1117/12.130701
https://doi.org/10.1117/12.130701
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Autor:
V. E. Nesterov, V.L. Prokhine, M. Gorisse, S. Voronov, G. Serra, J. M. Lavigne, A. Popov, Yu. V. Ozerov, V. V. Akimov, V. D. Kozlov, E. Bonfand, L. F. Kalinkin, G.V. Veselova, Jacques Paul, V. G. Kirillov-Ugryumov, B. Mougin, J. P. Leray, M. Gros, A. Galper, B. Luchkov, A. Raviart, R. Bazer-Bachi
Publikováno v:
Nuclear Instruments and Methods. 147:329-332
A scientific model of the wide-gap spark chamber which constitutes the central part of the Soviet-French high energy gamma-ray telescope “GAMMA 1” has been exposed to a tagged gamma-ray beam at DESY, Hamburg in 1976. The main purpose of these tes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::877d63f28c9a04a2cf76f31573f8dd69
https://doi.org/10.1016/0029-554x(77)90265-8
https://doi.org/10.1016/0029-554x(77)90265-8
Autor:
J. C. Courtois, J. M. Lavigne, A. Lecomte, M. Niel, B. Agrinier, E. Bonfand, B. Mougin, C. Doulade, M. Gorisse, B. Parlier, J. Andrejol, G. Vedrenne
Publikováno v:
Nuclear Instruments and Methods. 148:483-488
The balloon experiment carried out by the C.E.A. of Saclay and the C.E.S.R. of Toulouse is designed for the study of gamma radiation in the energy range 10–100 MeV. This paper describes the construction of the experimental system, the results obtai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d7e23b36a69e528329dc54e3df6bad7
https://doi.org/10.1016/0029-554x(78)91029-7
https://doi.org/10.1016/0029-554x(78)91029-7