Research Papers in Physics and Astronomy


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Published by American Physical Society. Phys. Rev. D VOLUME 62, 092004 (2000). Copyright © 2000 American Physical Society. Used by permission.


We present a quasi-model-independent search for the physics responsible for electroweak symmetry breaking. We define final states to be studied, and construct a rule that identifies a set of relevant variables for any particular final state. A new algorithm (“SLEUTH”) searches for regions of excess in those variables and quantifies the significance of any detected excess. After demonstrating the sensitivity of the method, we apply it to the semi-inclusive channel ℯμX collected in 108 pb-1 of pp̅ collisions at √s = 1.8 TeV at the DØ experiment during 1992–1996 at the Fermilab Tevatron. We find no evidence of new high pT physics in this sample.

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