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Tag Archives: Cosmic Rays
Particles that can hit the Earth’s atmosphere at high speeds.
Source: University of Chicago Library Enrico Fermi’s notebook of December 1948 contains four pages that represent the genesis of his theory of cosmic rays, particles that can hit the Earth’s atmosphere at high speeds. In these pages, he worked out … Continue reading
TAUWER Test
TAUWER is a proposed astroparticle experiment to detect ultrahigh energy TAU neutrinos, using detector towers arrayed on a mountainside looking down into a valley. This test is to study the possibility of replacing Hamamatsu miniature PMTs with SiPMs for readout … Continue reading
Posted in Cosmic Rays, IceCube, Pierre Auger
Tagged Cosmic Rays, IceCube, Pierre Auger
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Cosmic Screens
[Recommended] Five Showers (Windows only). This has five showers (alpha, proton. gamma, iron, etc) at 333 ns per time step, and with a much more user-friendly interface than the other showers below. The interface was made by Mark SubbaRao using … Continue reading
Muon
The Moon‘s cosmic ray shadow, as seen in secondary muons generated by cosmic rays in the atmosphere, and detected 700 meters below ground, at the Soudan II detector. Composition: Elementary particle Particle statistics: Fermionic Group: Lepton Generation: Second Interaction: Gravity, … Continue reading
Posted in AMS, Cosmic Rays, Gran Sasso, Muons, Relativistic Muons, Time Dilation
Tagged AMS, Cosmic Rays, Gran Sasso, Muons, Relativistic Muons, Time Dilation
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The Book: A Chapter Still to be Read
While the LHC is hibernating until February next year, outreach efforts are not on hold. Here in Germany, there is a nice exhibition on tour, called “Die Weltmaschine”. This means literally the “world machine” – somewhat better than the “big … Continue reading
Posted in Cosmic Rays, Pierre Auger, Self Evident
Tagged Cosmic Rays, Pierre Auger, Self Evident
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Mysterious Behavior of Neutrinos sent Straight through the Earth
This rendering depicts the future NOvA detector facility on the property. Rendering by Holabird & Root. The NOνA experiment, a collaboration of over 180 scientists from some 28 institutions, will be the world’s most advanced neutrino experiment. NOvA physicists will … Continue reading
Posted in Cosmic Rays, Gran Sasso, John Bachall, Muons, Neutrinos
Tagged Cosmic Rays, Gran Sasso, John Bachall, Muons, Neutrinos
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So what about the Missing Energy?
“Death, so called, is but older matter dressedIn some new form. And in a varied vest,From tenement to tenement though tossed,The soul is still the same, the figure only lost.” Poem on Pythagoras, Dryden’s Ovid. It is unfortunate to have … Continue reading
Posted in Atlas, CERN, Condensed Matter, Cosmic Rays, Kaluza, Klein, Quark Gluon PLasma
Tagged Atlas, CERN, Condensed Matter, Cosmic Rays, Kaluza, Klein, Quark Gluon PLasma
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The State of Fear
It is one of those things I guess, as you get older you completely forget part of one’s thinking process that was started, and never really went anywhere. Until that is, it is “awakened again” for introspection. So if you … Continue reading
Do You Think This Cloud Experiment is Important?
“The aim of CLOUD is to understand whether or not cosmic rays can affect clouds and climate, by studying the microphysical interactions of cosmic rays with aerosols, cloud droplets and ice particles.” This is one of the possible mechanisms for … Continue reading
Cascading Showers from the Cosmos
3) It is claimed that cosmic rays can energy exceeding that of colliders, and they have not caused trouble, suggesting that colliders will not cause trouble either. However, the analogy is not precise. It assumes two things that may not … Continue reading
Posted in Agasa, Atlas, Black Holes, CERN, Cosmic Rays, E8, LHC, Microscopic Blackholes
Tagged Agasa, Atlas, Black Holes, CERN, Cosmic Rays, E8, LHC, Microscopic Blackholes
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Dialogos of Eide 