An electron-positron linear collider fires two beams of equal energy each directly at…

PHYSICS · Subjective · Fermi University Physics · Particle Physics & Quantum Fields · Particles, interactions and experiment · Particles, interactions and experiment

Particle Physics, Ch Invariant mass: decays, thresholds and the collider frame

Problem

An electron-positron linear collider fires two beams of equal energy

3.5\,\mathrm{GeV}

each directly at one another. Take the electron and positron masses as equal,

m_ec^2 = 0.511\,\mathrm{MeV}

. Compute the centre-of-mass energy

\sqrt{s}

of the collision.

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