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Title : Antimatter belt around Earth discovered by Pamela craft
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Antimatter belt around Earth discovered by Pamela craft

A thin band of antimatter particles called antiprotons enveloping the Earth has been seen for the first time. The finding, described in Astrophysical Journal Letters , confirms theoretical work that predicted the Earth's magnetic field could trap antimatter.

The team says a small number of antiprotons are among the Van Allen belts of trapped matter "normal ".The researchers say it may be sufficient to implement a scheme using antimatter to fuel future ships espaciales.Los antiprotons were spotted by satellite Pamela (an acronym payload antimatter matter Exploration and Light-nuclei Astrophysics) - launched in 2006 to study the nature of high-energy particles from the Sun and beyond our solar system - called the cosmic rays.
These cosmic ray particles can collide against the molecules that make up the Earth's atmosphere, creating a shower of partículas.Muchas of cosmic ray particles or these particles " daughters "who believe they are trapped in the Van Allen belts, donut-shaped regions where the magnetic field of the Earth traps them.
Among the objectives of Pamela was to specifically look for small amounts of antimatter particles among the particles much more abundant, such as protons and nuclei of helium atoms normal matter. "abundant source" the new analysis described in a preprint online shows that when Pamela passes through a region called the South Atlantic Anomaly, which sees thousands of times more antiprotons that expected to come from the normal decay of particles, or elsewhere in the cosmos.
the antiprotons "annihilate" if they come into contact with normal protons
the team says this is evidence that bands of antiprotons, analogous to the Van Allen belts, hold the antiprotons in place - . at least until they meet with normal matter of the atmosphere, when they "annihilated" in a flash of light
the band is "the most abundant source of antiprotons near the Earth" said Alessandro Bruno of the University of Bari, a co-author of the work. "Antiproton trapped may be lost in interactions with atmospheric constituents, especially at low altitudes where the annihilation becomes the main loss mechanism" told BBC .
"Altitudes over several hundred kilometers, the loss rate is significantly lower, allowing a large number of antiprotons produced." Dr. Bruno said, while confirming the theoretical work that had long predicted the existence of these bands antimatter particles also could become a new source of fuel for future spacecraft - an idea explored in a report for the Institute for Advanced concepts NASA .
Source: BBC

"Antimatter belt around Earth discovered by Pamela craft", article source: riseearth.com

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