Browsing by Autor "A. Velarde"
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Item type: Item , Aproximación analítica a la difusión del calor a través de las paredes en sistemas solares pasivos(1997) A. Velarde; L.A BlacuttItem type: Item , Búsqueda de gamma ray bursts en el monte de Chacaltaya: Experimento INCA(1998) Renán Cabrera; A. Velarde; D. Urzagasti; O. Saavedra; G. Navarra; S Verneto; H. Yoshii; Takeo Kaneko; F. Kakimoto; K. NishiItem type: Item , DIFFERENTIAL SPECTRUM OF NEUTRONS AT CHACALTAYA-BOLIVIA(American Institute of Physics, 2009) R. Mayta; Alessandro Zanini; R. Ticona; A. Velarde; C. J. Solano Salinas; Jose A. Bellido; David Wahl; Óscar SaavedraWe describe the Neutron Spectrometer Experiment installed at Chacaltaya Cosmic Rays Observatory (68° O, 16.2° S), located in Bolivia, at 5230 m.a.s.l. This experimental system is constituted by passive detectors which register the flux of neutrons, in an energy range of 10 KeV–20 MeV. Using the unfolding code BUNTO a peak around 1 MeV of the characteristic spectrum of neutrons was obtained. Experimental values, observed during April of 2008, are compared with similar ones carried out in 1997 at the same place, in order to look for eventual changes due to local atmosphere. A similar experiment was also carried up at the Laboratory of Testa Grigia‐Italy (45.56° N, 7.42° E,. 3480 m.a.l.s). Data of both stations allow us to compare the spectra in order to explain the difference of neutron flux of these two stations.Item type: Item , PROYECTO LAGO BOLIVIA(2009) A. Velarde; R. Ticona; Perales Miranda; H. Rivera; Janneth M. QuispeItem type: Item , Search for 100 TeV gamma-rays from SN 1987 A(Springer Nature, 1990) C. Castagnoli; C. Morello; G. Navarra; L. Periale; P. Vallania; J. A. Chinellato; M. de Castro Souza; A. Turtelli; P. Miranda; A. VelardeItem type: Item , Simultaneous observation at sea level and at 5200 m.a.s.l. of high energy particles in the South Atlantic Anomaly(Elsevier BV, 2010) C. R. A. Augusto; C. E. Navia; K. H. Tsui; H. Shigueoka; P. Miranda; R. Ticona; A. Velarde; O. SaavedraItem type: Item , Solar neutron events in association with large solar flares in November 2003(Elsevier BV, 2005) K. Watanabe; Y. Muraki; Y. Matsubara; Kazuaki Murakami; T. Sako; P. Miranda; R. Ticona; A. Velarde; F. Kakimoto; S. Ogio