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4. Is the following decay allowed? Explain all your reasoning and consider all conservation laws
and rules
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- 5. When a muon decays, the angular distribution of the daughter electron is 1 P(cos 0) = (1 + a cos 0), where e is the angle measured relative to the muon spin, and a is a well-defined number. Imagine that you are writing a Monte Carlo model that includes such a decay. Find the quadratic equation that has to be solved to generate appropri- ate values for cos 0, in terms of computer-generated random numbers x that are uniform over the range 0TEACHER Two ions containing a total of 24 protons, 19 electrons, & 80 neutrons are smashed together at the LHC. After the collision physicists detect 725 neutrinos, 57 neutrons, & 55 protons. According to the Law of Conservaton of Charge, how many electrons must also be present?Tell me which conservation law or laws the reaction violates From: 1. Mass energy 2. Spin conservation 3. Charge conservation 4. Lepton number conservation 5. Baryon number conservation -> 2. TL + TcT1. Given questions about reviewing the quark model a. With six different quark flavors, how many different meson pairings are possible? Let's say they come in the flavors u, d, c, s, t, and d. Please explain these combination ! b. With six different quark flavors, how many different Baryon pairings are possible? Let's say they come in the flavors u, d, c, s, t, and d. Please explain these combination !5. Which of the four interactions (strong, electromagnetic, weak, gravitational) does the electron take part in? The neutrino? The proton? 6. Quarks have spin 1/2. How do you account for the fact that baryons have spin 1/2 or 3/2, and mesons have spin 0 or 1?Please do not reference other solutions2:11 6 of 8 Nuclear Done Turn over Page 6 Question B3 SPA5302 (2020) a) Explain the Geiger-Nuttal rule for a-decay, illustrating your answer with a graph. [6 marks] b) Sketch the potential for a-decay, assuming it can be modelled as a pre-formed particle inside the daughter nucleus. On this sketch, illustrate a typical tunnelling wave-function, which has an energy Q which is less than the potential for RR.) [12 marks] Assuming that the potential between m², where m = m₁m₂/(m + m2) is c) Consider two nuclei which might undergo fusion. nuclei 1 and 2 is a coulomb potential, and that Q the reduced mass here and in the definition of G above, and is the relative velocity of the nuclei before fusion, show that EG 2m2 where Ec=2m² (αZ₁₂)² where a = e²/4 colic 1/137 is the fine structure constant. Two protons collide with a relative kinetic energy of 1 keV. Calculate the probability of barrier penetration. SPA5302 (2020) Question B4 [7 marks] Page 7 EDetermine the electric charge, baryon number, strangeness quantum number, and charm quantum number for the following quark combinations: (a) uds; (b) cu bar; (c) ddd; and (d) d c bar. Explain your reasoning.This is a multiple choice with 5 parts so all parts need to be answered. They are not separate questions so this is not against guidelines. Please just give me the number of the questions and the letter of the answer, no need to do too much work. Thank you!!!I. When first discovered, α, β and γ radioactivity were referred to as α-rays, βrays and γ-rays. Now we refer to α-particles and β-particles, but still use theterm γ-rays. What type of particles are α and β commonly known as? What is γ commonly known as? II. What is the mass (calculate both in kg and unified mass units, u) of the α -particle? What is the mass (calculate both in kg and unified mass units, u) ofthe β -particle? Which particle (α or β) is more massive? Which particle has agreater amount of charge (α or β)? Which particle (α or β) would you expect topenetrate further into a piece of lead?Referring to the Feynman diagram, name:a. particle A b. the exchange particle involved c. the force involved in the interaction d. Explain how you know that there has not been a change of quark colour but there has been a change of flavour.1. If a proton is moving at very high speed, so that its kinetic energy is much greater than its rest energy (mc²), can it then decay via p →n + n+? 2. What would an “antiatom," made up of the antiparticles to the constituents of normal atoms, consist of? What might happen if antimatter, made of such antiatoms, came in contact with our normal world of matter?SEE MORE QUESTIONS