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Spectrometers
| Spectrometers are devices for the precise measurement of energies or
masses of the products of nuclear reactions. Working similarly to prisms
in light optics, particles of higher energy or mass are deflected less
in magnetic fields, and thus precise measurements of positions allow precise
determinations of energies. To the right are CEBAF's Electron and Hadron
spectrometers in Hall A of the three experimental halls. |
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The S800 Spectrometer at Michigan State Universities National Superconducting
Cyclotron Laboratory offers a unique combination of high resolution and
large acceptance, the ability to collect as many of the reaction products
as possible. It is used for nuclear physics experiments involving a wide
variety of combinations of beams and targets in the range around 100 -
200 MeV per nucleon. |
| For particularly rare reactions it is important to capture as many
as possible of the reaction products that are generated. The Large Acceptance
Spectrometer in Hall B of Jefferson Laboratory is specialized for this
task. |
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Some reaction products are so short lived that it is essential to analyze
them quickly enough before they can decay. The Short Orbit Spectrometer
in Hall C of Jefferson Lab, shown here together with the High Momentum
Spectrometer, is specialized for this task. |
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