Abstract
The development of new organic dyes for use in scintillation materials for high-energy physics experiments is discussed. Among the materials developed are bipyridine diol, MOPOM, and DBTeM POPOP. The first material is a large Stokes' dye with fluorescence in the green. The latter two materials have spectral emission similar to POPOP and dimethyl POPOP, but with UV shifted absorption spectra. These materials maintain the high molar extinction coefficient of POPOP, but are more soluble in polystyrene-concentrations of 1% by weight have been readily achieved. Hence, these materials may be used as primary dyes. The Stokes' shifts are sufficiently large that these materials can be incorporated in binary scintillators, which could have important consequences for microtracking detectors in colliding beam and fixed target applications.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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