Abazov, V. M. ; Abbott, B. ; Abolins, M. ; Acharya, B. S. ; Adams, M. ; Mondal, N. K. ; et., al (2011) Search for a heavy neutral gauge boson in the dielectron channel with 5.4 fb-1 of pp̅ collisions at √s = 1.96 TeV Physics Letters B, 695 (1-4). pp. 88-94. ISSN 0370-2693
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.physletb.2010.10.059
Abstract
We report the results of a search for a heavy neutral gauge boson Z' decaying into the dielectron final state using data corresponding to an integrated luminosity of 5.4 fb-1 collected by the D0 experiment at the Fermilab Tevatron Collider. No significant excess above the standard model prediction is observed in the dielectron invariant-mass spectrum. We set 95σ(pp̅→Z')×BR(Z'→ee) depending on the dielectron invariant mass. These cross section limits are used to determine lower mass limits for Z' bosons in a variety of models. For the sequential standard model Z' boson a lower mass limit of 1023 GeV is obtained.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Extensions of Standard Model; New Gauge Bosons |
| ID Code: | 88120 |
| Deposited On: | 27 Mar 2012 08:21 |
| Last Modified: | 27 Mar 2012 08:21 |
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