Observing more incoming radiation from the west, Alvarez concluded that primary cosmic rays were positively charged.
2.
The ratio of primary cosmic ray hadrons to gamma rays also gives a clue as to the origin of cosmic rays.
3.
Cosmic rays from outer space generate muons in the Earth s atmosphere as a result of nuclear reactions between primary cosmic rays and atmospheric nuclei.
4.
Air showers of secondary particles generated from a primary cosmic ray hitting the Earth's atmosphere are spread over many kilometres when they hit the ground.
5.
Satellite experiments have found evidence of positrons and a few antiprotons in primary cosmic rays, amounting to less than 1 % of the particles in primary cosmic rays.
6.
Satellite experiments have found evidence of positrons and a few antiprotons in primary cosmic rays, amounting to less than 1 % of the particles in primary cosmic rays.
7.
At center right, a primary cosmic ray heavy nucleus goes vertically through a cloud chamber, which was suspended under a balloon near the top of the atmosphere.
8.
With ACORDE, the ALICE Experiment has been able to detect muon bundles with the highest multiplicity ever registered as well as to indirectly measure very high energy primary cosmic rays.
9.
His classic paper, jointly with Walter Heitler, published in 1937 described how primary cosmic rays from space interact with the upper atmosphere to produce particles observed at the ground level.
10.
In 1962, he went to the University of Rochester, USA on a Fulbright Post Doctoral Research fellowship to carry out research on Primary Cosmic Rays during his sabbatical leave period.
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