Is Hydrogen Gas Transparent to Gamma Rays? And What About Xenon Gas?

That is why hydrogen is "transparent" to gamma rays. In summary, hydrogen gas is "transparent" to gamma rays, meaning that they are not easily attenuated by it due to its light mass and low density. This is why gamma rays do not heat up hydrogen gas. It is possible that Xenon gas may also be transparent to gamma rays, but more research would need to be done to confirm this. According to an abstract, gamma ray bursts can ionize neutral hydrogen at radii of 50-100 parsecs.
  • #1
Northprairieman
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I remember reading before that hydrogen gas is "transparent" to gamma rays. What does this mean? I know it has something to do with the gamma rays not heating the hydrogen. Also, would Xenon gas be transparent to gamma rays?
 
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  • #2
According to this abstract (haven't bothered reading the paper yet), gamma ray bursts can ionize neutral hydrogen at radii of 50-100 parsecs.

http://arxiv.org/abs/0802.0737
 
  • #3
Northprairieman said:
I remember reading before that hydrogen gas is "transparent" to gamma rays. What does this mean? I know it has something to do with the gamma rays not heating the hydrogen. Also, would Xenon gas be transparent to gamma rays?

The probability of a gamma ray to interact with matter is dependent on the mass of the atom and the density of the substance. Because hydrogen is light, and at atmospheric conditions the density is very low, gammas are attenuated very little compared to water or lead. If hydrogen was liquefied and pressurized, it would attenuate more gammas (but still not as much as water since hydrogen is still lighter then a water molecule).
 

1. What are gamma rays?

Gamma rays are a type of electromagnetic radiation with a very high frequency and short wavelength. They are produced by the decay of radioactive materials or by high-energy processes such as nuclear reactions.

2. How do gamma rays heat gases?

When gamma rays interact with gas molecules, they transfer their energy to the molecules, causing them to vibrate and increase in temperature. This is known as the photoelectric effect.

3. What is the relationship between gamma ray intensity and gas temperature?

The intensity of gamma rays is directly proportional to the increase in gas temperature. This means that the more gamma rays that are present, the higher the temperature of the gas will be.

4. Can gamma rays heat gases at any temperature?

Gamma rays can heat gases at any temperature, as long as there is a sufficient amount of energy being transferred. However, they are most effective at heating gases at lower temperatures.

5. What are some real-world applications of using gamma rays to heat gases?

Gamma rays are commonly used in industrial processes such as sterilization and food preservation. They are also used in medical treatments for cancer and other diseases. In addition, gamma rays can be utilized in nuclear power plants to heat water and produce steam for electricity generation.

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