7. An electron and a positron with equal speed collide and produce two pions, e+ + e¯ →++. What is the minimum speed of the electron and positron for this reaction to occur?
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Q: a) Nuclear fusion reactions power the Sun and other stars. i) Explain what is meant by the term…
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Q: 0 A new theory predicts that a chargino X¯ of mass m(x¯) = 620 GeV decays into a neutralino x with a…
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A: The solution is given below
Q: Question 14 What would be the total energy of the spaceship (m = 10^4 kg) when moving at v = 0.87c…
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Q: consis antiproton (in other words, a proton and antiproton are created and the two original protons…
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Q: *31. Multiple-Concept Example 6 explores the approach taken in problems such as this one. Quasars…
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Q: 5. Consider the reaction e¯ +pt → n+ +K¯ The mass of the electron (e¯) is 0.51 MeV/c², the mass of…
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Q: 43. An electron and an antielectron (each has mass 9.11 x 10-³¹ kg), each traveling at 0.6c relative…
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Q: 4. A particle of charge q = moves in velocity ở = (2 + m)i - (5+ m)f – 4k in magnetic field B = (7+…
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Q: 06 (a) A stationary particle 1 decays into particles 2 and 3, which move off with equal but…
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Q: 13. Draw a Feynman diagram for the reaction n+ vµ → p+µ¯.
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- 3. What magnetic field is required for the 7.0-TeV protons in the 4.25-km radius Large Hadron Collider (LHC)? 4. Show that the energy of a particle (charge q.) in a synchotron, in the relativistic limit (v z c), is given by E = Brc, where E is measured in eV, B is the magnetic field, and r is the radius of the orbit.Two protons experience a head-on collision moving with velocity v. In order for there to be enough energy to create a new proton- antiproton pair, the velocity of each proton must equal? A) 2c B) 0.866c .914c D) 1.414c41. It is desired to create a particle of mass 9700 MeV/c- in a head-on collision between a proton and an antiproton (each having a mass of 938.3 MeV/c²) traveling at the same speed. What speed is necessary for this to occur? 1² to an we Tithin
- 9. Which of the following reactions and decays are possible? For those forbidden, explain what laws are violated? (а) п- +р+п + п?. (b) a+ +p → n+ 7º. (c) n+ +p→p+ e+. (d) p→ e+ + ve. (e) p→n + e+ + Ve- 10. Draw the two Feynman diagrams for electron-electron scattering at the first-order. Draw three distinct second-order diagrams.1. Based on the problem below, if a crew member on the spaceship measures itslength to be 400 m, what is the length measured by an observer on earth? a. 34.2 mb. 44.1 mc. 56.4 md. 78.2 m 2. Based on the problem below, how far does the ship travel in relation to theearth during each pulse? a. 1.35 kmb. 4.21 kmc. 83.8 kmd. 94.5 km5. A) Explain the special relativistic expression for energy E=mc^2. B) What is the connection with the nonrelativistic expression for the kinetic energy E= 1/2mv^2? C) Discuss the generation of energy by the unclear processes of fission and fusion.
- 2. Draw a Feynman diagram for each of the following reactions, provided it is allowed. If the reaction is forbidden explain why. μ → eveVμ τ' →μνμύτ Vμе- → Veft- Vμe+ → Vel+ Vμe+ → Vef+ Vμnμp VμP →μ+n eté → VμVμ ete- →T+T- e¯e → eeConsider the reaction 235 U 92 1 0 148 57 87 35 La Br Element Atomic Mass (u) 235 92 U U + 1 U 0 n → U 148 57 La + 235.043923 1.008665 147.932236 86.92071119 87 35 Br + 1 (a) Write the conservation of relativistic energy equation symbolically in terms of the rest energy and the kinetic energy, setting the initial total energy to the final total energy. (Use the following as necessary: m;, mf, KE, KE, and c.) 0 (b) Using values given above, find the total mass of the initial particles (in u). n. (c) Using the values given above, find the total mass of the particles after the reaction takes place (in u). (d) Subtract the final particle mass from the initial particle mass. (Enter your answer in u.) (e) Convert the answer to part (d) to MeV, obtaining the kinetic energy of the daughter particles. Neglect the kinetic energy of the reactants. MeVTwo small spheres have equal masses, m, but one is matter, and the other is antimatter. They come into contact and annihilate completely, releasing 6.1x10 MeV of energy’s What is the mass , m, in kilograms of either sphere ?