cosmic rays
MULTITAPER SPECTRAL ANALYSIS OF COSMIC RAYS SÃO MARTINHO DA SERRA'S MUON TELESCOPE AND NEWARK'S NEUTRON MONITOR DATA
... the cosmic rays are atmospheric ...of cosmic ray fluxes and the Earth rotation (Mursula & Usoskin, ...the cosmic ray variations are probably due to processes occurring outside the ...
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Commissioning of the CMS High-Level Trigger with cosmic rays
... Muon HLT triggers used during CRAFT were those that were designed for use during LHC collisions. Since cosmic ray muons only rarely cross the beamline, most of them will not satisfy these muon HLT requirements. ...
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Commissioning of the TileCal ATLAS hadronic calorimeter with cosmic rays and the LHC single beam
... projectivity of the muon trajectories, which makes TMF valid also for endcap as well (although there are many non-projective muons in the barrel as well). The noise sensitivity between the two different methods is ...
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Braz. J. Phys. vol.38 número3B
... protons and heavier nuclei that evolves to a more lighter com- position. However, the inflection at 2 EeV could be the result of a change of behaviour of hadronic interactions at higher energies. This happens in the same ...
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Braz. J. Phys. vol.36 número4A
... The cosmic ray spectrum, measured at the top of the at- mosphere covers a huge range in energy, going from 10 MeV to energies above 10 20 eV, with a differential flux that spans 31 decades ...of cosmic ...
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Braz. J. Phys. vol.37 número2B
... or Cosmic Rays, that hit the Earth’s atmosphere was first revealed by Victor Hess in 1912 ...energies, cosmic rays served as a source of particles for high energy physics investigations, and ...
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Measurements of Cosmic Magnetism with LOFAR and SKA
... contribute significantly to the total pressure of interstellar gas, are essential for the onset of star formation, and control the density and distribution of cosmic rays in the interstel- lar medium (ISM) ...
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Braz. J. Phys. vol.37 número1A
... energy cosmic rays physics, since it will collect a much bigger amount of data than all previous experiments ...energy cosmic rays come isotropi- cally from all directios of the sky or if ...
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Modelling cosmic ray intensities along the Ulysses trajectory
... of cosmic rays along the Ulysses trajectory, and the effect of the HMF polar- ity reversal were also ...a cosmic ray perspective, the polarity reversal from A>0 to A<0 should be around ...in ...
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Regional cosmic ray induced ionization and geomagnetic field changes
... of cosmic rays permanently impinging on the ...galactic cosmic rays (CR) form the dominant source of ionization in the atmosphere, especially the tropo- ...the cosmic ray flux lead to ...
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Braz. J. Phys. vol.34 número4A
... The Pierre Auger Observatory is a large international effort to provide measurements of extensive air showers (EAS) initiated in the upper atmosphere by cosmic rays with energies above 10 18 eV , the Ultra ...
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Raios cósmicos e a heliosfera.
... Aproximadamente na mesma faixa de energia dos SCRs encontra-se um conjunto de part´ıculas cuja com- posi¸c˜ao qu´ımica indica que n˜ao foram aceleradas pe- los mesmos processos dos raios c´osmicos solares e gal´acticos. ...
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Chrysobrycon yoliae, new species
... The studied specimens are deposited in the collections of Asociación Ictiológica, La Plata (AI); Academy of Natural Sciences of Drexel University, Philadelphia (ANSP), Fundación Miguel Lillo, Tucumán (CI-FML); Natural ...
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Response of large area avalanche photodiodes to low energy x rays
... We have observed effects from the APD layer structure that lead to two distinct responses to X-rays in the 6-10 keV range. The individual signal types can be identified with high fidelity by examining the rising ...
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Cynolebias parnaibensis, a new seasonal killifish from the Caatinga, Parnaíba River basin, northeastern Brazil, with notes on sound producing courtship behavior (Cyprinodontiformes: Rivulidae)
... Diagnosis. Cynolebias parnaibensis is distinguished from all other species of the genus, except C. griseus and C. gilbertoi, by having 27-31 neuromasts around eye (vs. 33-46). The new species differs from C. griseus by ...
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Use of a nursery area by cownose rays (Rhinopteridae) in southeastern Brazil
... Using non-lethal methods for data collection of individuals and participatory monitoring by fishermen, we provide the first empirical evidence of the use of a nursery area by neonate and young-of-the-year cownose ...
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Brane cosmic string compactification in Brans-Dicke theory
... We investigate an alternative compactification of extra dimensions using local cosmic string in the Brans-Dicke gravity framework. In the context of dynamical systems it is possible to show that there exist a ...
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Imagining Critical Cosmic Pedagogy nested within Critical Pedagogy
... presenting the ideal image of the future human being; desire to raise, train and edu- cate students, encouragement of competition between evolutionary minds; support of the best and able minds, provision of equal ...
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Using X-Rays to evaluate fissures in rice seeds dried artificially
... X-Ray images were obtained by placing the acrylic plate with the seeds directly on the X-Ray film (Kodak Min-R 2000, size 20x24 cm), 35 cm from the radiation source. The radiation intensity and exposure time, which ...
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ATM-mediated transcriptional and developmental responses to gamma-rays in Arabidopsis.
... ATM ( Ataxia Telangiectasia Mutated ) is an essential checkpoint kinase that signals DNA double-strand breaks in eukaryotes. Its depletion causes meiotic and somatic defects in Arabidopsis and progressive motor ...
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