Measurement of dijet angular distributions and search for quark compositeness
Phys.Rev.Lett. 80 (1998) 666-671
The D0 collaboration

Abstract (data abstract)
FERMILAB-COLLIDER. Measurement of the angular distribution of dijets produced in pbar-p collisions at a centre-of-mass energy of 1.8 TeV. Data come from anintegrated luminosity of 94pb-1 collected buring 1993-95. The variable CHI is defined as:. CHI=(1+ABS(COS(THETA*)))/(1-ABS(COS(THETA*))). = EXP(ABS(ETARAP(JET1)-ETARAP(JET2))). where THETA* is the cm scattering angle and ETARAP the jets pseudorapidity.

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