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33.6 Guts: The Unification of ForcesIntegrated Concepts The intensity of cosmic ray radiation decreases rapidly with increasing energy, but there are occasionally extremely energetic cosmic rays that create a shower of radiation from all the particles they create by striking a nucleus in the atmosphere as seen in the figure given below. Suppose a cosmic ray particle having an energy of $10^{10}$ GeV converts its energy into particles with masses averaging 200 $\mathrm{MeV} / c^{2} .$ (a) How many particles are created? (b) If the particles rain down on a $1.00-\mathrm{km}^{2}$ area, how many particles are there per square meter? Figure 33.27 An extremely energetic cosmic ray creates a shower of particles on earth. The energy of these rare cosmic rays can approach a joule (about $10^{10}$ GeV $)$ and, after multiple collisions, huge numbers of particles are created from this energy. Cosmic ray showers have been observed to extend over many square kilometers.
a. $5 \times 10^{10}$b.$5 \times 10^{4}$ particles $/ \mathrm{m}^{2}$
Physics 103
Chapter 33
Particle Physics
Cornell University
Rutgers, The State University of New Jersey
University of Michigan - Ann Arbor
McMaster University
Lectures
01:36
The intensity of cosmic ra…
03:04
Consider a small, spherica…
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$\bullet$ A beam of electr…
23:05
The cosmic rays of highest…
06:02
An unstable particle is cr…
05:12
06:35
43.58. Pion Radiation Ther…
09:09
Review. This problem is ab…
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A beam of alpha particles …
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A cosmic-ray proton enteri…
09:26
04:46
$\textbf{Radiation Therapy…
07:05
Proton Energy in a Nucleus…
09:04
The radioactive decay of $…
05:39
08:57
A particle with mass $m$ m…
11:54
Two protons (each with res…
08:59
Review problem. This probl…
12:11
At the Stanford Linear Acc…
0:00
we have, uh, causing caray that has any just tend to the 10 g ve converting its energy into particle with mass off 200 maybe, And we want to know how many particles are created so we can find how many particles are created using the total immersion divided by the mass of each particle and average, say square. And then there's this tend to the 10 times and the nine electoral votes, and then the mass is 200 thanks to them to this 6 11 levels. And then there's this five time spent in intent far too close. And for part B, want to know if the particles went down on one kilometer era? How many particles pair square meter who convert who have and then find Daisy just divine ing the number of particles by swim here and then we have five times pretence the 61 kilometer five time stand to that, then divided by 10 to the six million square and then we have five times spent before. Aren't you coz by me this square
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