At what temperature is the thermal radiation in the universe energetic enough to produce nucleons and antinucleons?
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A: Given: The luminosity of LHC is L = 1038 m-2s-1 The proton scattering cross-section is σ = 100 mb
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Q: Does the negative mass of antimatter mean that it's gravitationally repelled from stars?
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A: The total lepton number is conserved in nature.
Q: Will the Higgs-Boson particle create a black hole and destroy the Earth
A: No, it will not create a black hole and certainly not big enough to destroy the earth.
Q: What is the Higgs boson and how does it relate to the concept of mass?
A: The Higgs boson is a subatomic particle first proposed in the 1960s by British physicist Peter Higgs…
Q: If neutrino oscillations do occur, will they violate conservation of the various lepton family…
A: If lepton number of the system conserved means the total number of lepton are same in before and…
Q: The critical mass density needed to just halt the expansion of the universe is approximately 10-26…
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A: In physics, a collider is a type of particle accelerator that is used to study the properties of…
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Q: 8 Three cosmologists have each plot- ted a line on the Hubble-like graph of Fig. 44-11. If we…
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Q: What was the age of the Universe when the redshift was 3,000? Assume the Cosmological Constant is…
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Q: Calculate the temperature of the universe when photons can no longer disassociate deuterons. Use the…
A: Given: The photons can no longer disassociate deuterons.
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Q: why there are three generations of quarks and leptons
A: why there are three generations of quarks and leptons
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A: The Wilkinson Microwave Anisotropy Probe, also called Microwave Anisotropy Probe.
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Q: Define gluons.
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Q: Describe quark and antiquark.
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Q: Particles known as resonances have very short half-lives, on the order of 10-23 s. Would you guess…
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Q: How can the mass be converted into energy?
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Q: The temperature of the universe is 2.76 K. What is the wavelength of the cosmic background…
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Q: The cosmic background radiation observed is starlight. a) True b) False
A: True or false: The cosmic background radiation observed is starlight.
Q: Why couldn't atomic nuclei exist when the age of the universe was less than 2 minutes?
A: As per Hubble's theory, the universe is expanding, this means at some point in time there were…
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Q: The CMB decoupled at redshift z≈ 1100, i.e., when its frequency was a factor of z larger. The…
A: The CMB or common microwave background is composed of photons. It is the leftover radiation amount…
We have to find the temperature at which the thermal radiation in the universe will be energetic enough to produce nucleons and antinucleons.
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