Recent content by FaradayCage

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    Proof: Operators with same expectation value

    Given some state \left|\psi\right\rangle, and two operators \hat{A} and \hat{B}, how do you prove that if \langle\psi|\hat{A}|\psi\rangle = \langle\psi|\hat{B}| \psi\rangle then \hat{A} = \hat{B} ?
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    Can Matter and Antimatter Be Indistinguishable?

    Is it correct that applying charge conjugation to matter gives us antimatter? This post claims that it is the CP operation that does... http://blogs.uslhc.us/symmetry-in-physics-pt-2-discrete-symmetries-and-antimatter Which is correct?
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    Solving the Impossible Integral: \int \frac{1}{1+e^{-x^2}} dx

    Is it possible to integrate \int \frac{1}{1+e^{-x^2}} dx
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    Special Relativity: Pion Decay - Two Photons

    Thanks a lot for the help :) I sorted it in the end by finding the energies in the ZMF after the decay and then using the doppler shift to transform them back into the lab frame.
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    Special Relativity: Pion Decay - Two Photons

    Homework Statement A (pi)0 meson whose rest mass is 135 MeV/c2 is moving with a kinetic energy of 1 GeV. It decays in flight into two photons whose paths are along the direction of motion of the meson. Find the energies of the two photons. Homework Equations Lab Frame: The...
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