A particle is observed that decays to 2 photons with equal energy and an opening angle...
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A particle is observed that decays to 2 photons with equal energy and an opening angle of 103⁰. (i) Explain whether this particle could be a new quark or not. [1] (ii) Explain whether this particle could be a new lepton or not. [1] (iii) The energy of one of the photons is measured to be 80 GeV. Calculate the mass of the new particle in units of GeV/c². Explain your working. [4] A particle is observed that decays to 2 photons with equal energy and an opening angle of 103⁰. (i) Explain whether this particle could be a new quark or not. [1] (ii) Explain whether this particle could be a new lepton or not. [1] (iii) The energy of one of the photons is measured to be 80 GeV. Calculate the mass of the new particle in units of GeV/c². Explain your working. [4]
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i The fact that the particle decays into two photons with equal energy and an opening angle of 103 suggests that it cannot be a new quark Quarks are e... View the full answer
Related Book For
Smith and Roberson Business Law
ISBN: 978-0538473637
15th Edition
Authors: Richard A. Mann, Barry S. Roberts
Posted Date:
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