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- 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 + TcTFor every reaction, 4-protons are “used up,” meaning they are unable to participate in future reactions. How much mass does this correspond to that is being “used up” each second? (you may use mH that was shown in class and express your answer in kg)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?
- Problem 9. Explain why the fact that the electron emitted in the decay of a neutron has a range of energies rather than En - Ep (apparently violating energy conservation) led to the discovery of the neutrino.I need help! This is about half lives for radiation decayMatch these particle physics descriptions A class of particles that consist of two quarks An electron is a member of this class of particles. A proton is a member of this class of particles A class of particles that experiences the weak but not the strong nuclear force. A class of particles that consist of three quarks A class of particles that experiences strong and weak nuclear forces. 1. Hadrons 2.Mesons 3.Baryons 4.Leptons
- 2. State any three conservation laws that restrict a reaction from happening in particle physics and explain how they restrict reactions.2. Describe Einsteins explanation for why the total starting mass is greater than the total ending mass after a nuclear reaction.137 In addition to the B particle, a 35 Cs source also emits a 0.66 MeV y ray. Draw a simple diagram to illustrate the complete decay process.
- 99Mo beta decays with a half-life of 66 h to 99Tc*, an isotope that is widely used in medical imaging. The 99Mo itself is created in a nuclear reactor by bombarding 235U nuclei with neutrons. One particular 99Mo was created in this way 66 h ago, while another was created just now. Which nucleus is morelikely to decay in the next 66 h?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.7 mi.. of. tr. J. 0.. J.. D. e.. 8 Al 32. A baryon is a hadron composed of THREE quarks. A neutron is a baryon with the following quark designation: cbb Oudd Duud Ouss 33. Which of the following decay equations describes beta positive decay? Ouududd +e++v Oudd uud+e++v Oudduud +e+v Ouududd +e+v Written Response 34. hp BB afe FA