DiLepton Spectrometer overview

The Dilepton Spectrometer

The DLS was a magnetic spectrometer consisting of two identical arms which fanned out from the interaction zone on either side of the beam delivery line. A schematic drawing of the spectrometer is shown in figure 3.1 in which each of the primary spectrometer components are identified. Three coordinate systems were used in the description of the spectrometer geometry. The systems are referred to here as the Beam, left arm (LA), and right arm (RA) systems. The three systems have a mutual origin and y axis located at the central region of the target assembly.

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