4 20 An Exotic Hydrogen Like System Consists Of An Antiproton With Charge E Orbiting Around The Nucleus Of He 2 1 (415.3 KiB) Viewed 16 times
4. (20) An exotic hydrogen-like system consists of an antiproton (with charge -e ) orbiting around the nucleus of 'He(2 protons and 2 neutrons). For this problem, you can assume that the rest mass energies of the antiproton, protóns and neutrons can be all be approximated by mc* = 938 MeV. (a) (8) Within the Bohr model, determine the wavelength and energy of the photon emitted when the antiproton makes a transition from the first excited state to the ground state, Express your answer in meters and eV.
(b) (6) Within the Bohr model, determine the radius of the orbit of the antiproton in the first excited, state. Express your answer in meters. n=2
(c)(6) Within the Bohr model, determine the velocity of the antiproton when it is in the first excited state. Express the velocity in terms of B = u/c n=1
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