Quasi-model-independent search for new physics at large transverse momentum

Quasi-model-independent search for new physics at large transverse momentum

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We apply a quasi-model-independent strategy ("SLEUTH") to search for new high pT physics in ≈100 pb-1 of pp̄ collisions at √s = 1.8 TeV collected by the DØ experiment during 1992-1996 at the Fermilab Tevatron. Over 32 e μX, W+jets-like, Z+jets-like, and (l/y)(l/y)(l/y)X exclusive final sta...

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Bibliographic Details
Main Authors: Abazov, V, Abbott, B, Abdesselam, A, Abolins, M, Abramov, V, Acharya, B, Adams, D, Adams, M, Ahmed, SN, Alexeev, G, Alves, G, Amos, N, Anderson, E, Baarmand, M, Babintsev, V, Babukhadia, L, Bacon, T, Baden, A, Baldin, B, Balm, P, Banerjee, S, Barberis, E, Baringer, P, Barreto, J, Bartlett, J
Format: Journal article
Language:English
Published: 2001
Description
Summary:We apply a quasi-model-independent strategy ("SLEUTH") to search for new high pT physics in ≈100 pb-1 of pp̄ collisions at √s = 1.8 TeV collected by the DØ experiment during 1992-1996 at the Fermilab Tevatron. Over 32 e μX, W+jets-like, Z+jets-like, and (l/y)(l/y)(l/y)X exclusive final states are systematically analyzed for hints of physics beyond the standard model. Simultaneous sensitivity to a variety of models predicting new phenomena at the electroweak scale is demonstrated by testing the method on a particular signature in each set of final states. No evidence of new high pT physics is observed in the course of this search, and we find that 89% of an ensemble of hypothetical similar experimental runs would have produced a final state with a candidate signal more interesting than the most interesting observed in these data.

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