2006
DOI: 10.1590/s0103-97332006000700012
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First results from the Pierre Auger Observatory

Abstract: We review in these notes the status of the construction of the Pierre Auger Observatory and present the first Physics results, based on the data collected during the first year and a half of operation. These results are preliminary, once the work to understand the systematics of the detectors are still underway. We discuss the cosmic ray spectrum above 3 EeV, based on the measurement done using the Surface Detector and the Fluorescence Detector, both, components of the observatory. We discuss, as well, the sea… Show more

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Cited by 5 publications
(5 citation statements)
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“…We reported in a previous review [5] the limits imposed on the probability of the primary being a photon based on data from the FD system. This result [32] take advantage of the much deeper penetration on the atmosphere of a photon induced shower, as compared to a hadronic shower.…”
Section: B the Photon Limitmentioning
confidence: 99%
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“…We reported in a previous review [5] the limits imposed on the probability of the primary being a photon based on data from the FD system. This result [32] take advantage of the much deeper penetration on the atmosphere of a photon induced shower, as compared to a hadronic shower.…”
Section: B the Photon Limitmentioning
confidence: 99%
“…The Pierre Auger Observatory was already described in many reviews [4,5]. Here we summarize its main characteristics.…”
Section: Introductionmentioning
confidence: 99%
“…The value of 𝑟 opt depends on the experimental setup and its spacing between detectors and, considering the standard SD of 1500 m spacing from Auger, is equal to 1000 m so that, in this case, the shower-size estimator is S(1000), which is the time-integrated water Cherenkov signal that would be measured by a tank 1000 meters from the core [65].…”
Section: Sd Event Reconstructionmentioning
confidence: 99%
“…Finally, one can estimate the energy of the cosmic ray through the correlation between energy and 𝑆 38 , given by the empirical relation 4.1.4 and illustrated in figure 4.5 [65]. 𝐸 = 0.16 × 𝑆 1.08 38 = 0.16 × [𝑆(1000)/𝐶𝐼𝐶(𝜃)] 1.06 , (4.1.4)where 𝑆 38 ≡ 𝑆(1000)/𝐶𝐼𝐶(𝜃)[65].…”
mentioning
confidence: 99%
“…Principais componentes dos Tanques Cherenkov.Fonte: SHELLARD(28) As partículas que chegam ao solo são detectadas quando atravessam o tanque e emitem radiação Cherenkov (29[p. 12]) pelo fato de sua velocidade ser maior que a da luz na água. Essa radiação é medida por sensores fotomultiplicadores e convertida em sinal elétrico.…”
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