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Forward-backward asymmetry in top-quark production in pp¯ collisions at s=1.96 TeV
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CDF Collaboration (Including:
). (2008) Forward-backward asymmetry in top-quark production in pp¯ collisions at s=1.96 TeV. Physical Review Letters, Vol.101 (No.20). Article: 202001. doi:10.1103/PhysRevLett.101.202001 ISSN 0031-9007.Research output not available from this repository.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.101.202001
Abstract
We present measurements of the forward-backward charge asymmetry in top pair production using 1.9 fb-1 of pp¯ collisions at √s=1.96 TeV recorded with the Collider Detector at Fermilab II. Correcting for acceptance and measurement dilutions we obtain parton-level asymmetries of AFBpp¯ =0.17±0.08 in the pp¯ frame and AFBtt¯ =0.24±0.14 in the tt¯ frame. The values are consistent with the standard model expectation and disfavor exotic production mechanisms with significant negative values.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Physical Review Letters | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 0031-9007 | ||||
| Official Date: | 14 November 2008 | ||||
| Dates: |
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| Volume: | Vol.101 | ||||
| Number: | No.20 | ||||
| Page Range: | Article: 202001 | ||||
| DOI: | 10.1103/PhysRevLett.101.202001 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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