Particle resonances of the proton

Particle resonances of the proton

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Credit: CLAS COLLABORATION, JEFFERSON LAB/SCIENCE PHOTO LIBRARY

Caption: Particle resonances of the proton. The computer display shows the scattering of electrons by protons, which produces a series of resonances of the proton, in the CLAS experiment at Jefferson Lab, Virginia. The proton & its resonances are visible in the graph as black & coloured peaks or hills. The vertical axis is equivalent to scatter- ing angle, the horizontal axis shows energy in GeV. Colour represents the number of events, from black (most events) to blue. The sharp peak at left is the proton itself; the peak at 1.2 GeV is a resonance called the delta; towards the right many resonances are smeared together.

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Keywords: computer screen, delta resonance, electronic display, high-energy physics, jefferson laboratory, odyssey, particle physics research, particle resonances, proton, the particle odyssey

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