Search for New Physics in High-Mass Electron-Positron Events in pp¯ Collisions at s=1.96TeV

T. Aaltonen et al. (CDF Collaboration)
Phys. Rev. Lett. 99, 171802 – Published 22 October 2007

Abstract

We report the results of a search for a narrow resonance in electron-positron events in the invariant mass range of 150950GeV/c2 using 1.3fb1 of pp¯ collision data at s=1.96TeV collected by the CDF II detector at Fermilab. No significant evidence of such a resonance is observed and we interpret the results to exclude the standard-model-like Z with a mass below 923GeV/c2 and the Randall-Sundrum graviton with a mass below 807GeV/c2 for k/M¯pl=0.1, both at the 95% confidence level. Combining with diphoton data excludes the Randall-Sundrum graviton for masses below 889GeV/c2 for k/M¯pl=0.1.

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  • Received 18 July 2007

DOI:https://doi.org/10.1103/PhysRevLett.99.171802

©2007 American Physical Society

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Search for High-Mass Diphoton States and Limits on Randall-Sundrum Gravitons at CDF

T. Aaltonen et al. (CDF Collaboration)
Phys. Rev. Lett. 99, 171801 (2007)

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Vol. 99, Iss. 17 — 26 October 2007

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