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Answers in fundamental physics

Dr. Oleg  Markin, a tutor
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Tag Archives: hadron

What happens to a hadron run into a substance?

Posted on October 11, 2015 by admin
The shape of a hadron shower is different from that of an electromagnetic one

About the adventures of a hadron in matter Initially the hadron will fly in the substance without incident, just ripping electrons from orbits on its way if this is a charged hadron, such as a proton or pion. But when … Continue reading →

Is there a difference between fundamental and elementary particles?

Posted on June 28, 2015 by admin
Deep inelastic scattering of electrons on a nucleon

About sophisticated stuffing of elementary particle with a hadron charge inside Well, at first they thought protons and neutrons that make up nuclei of atoms of matter are indivisible particles. That’s why they call them fundamental, but when in 1968 … Continue reading →

How quickly did the universe cool down?

Posted on August 28, 2014 by admin
The hot mixture of quarks and leptons

How it cooled down what couldn’t be hotter Immediately after the Big Bang, the universe was a hot and dense mixture of actively interacting quarks and leptons. In a second, their density and kinetic energy, i.e., their temperature dropped so … Continue reading →

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