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Zγ production in p¯p collisions at √s=1.8TeV and limits on anomalous ZZγ and Zγγ couplings

Zγ production in p¯p collisions at √s=1.8TeV and limits on anomalous ZZγ and Zγγ couplings
Zγ production in p¯p collisions at √s=1.8TeV and limits on anomalous ZZγ and Zγγ couplings
We present a study of Zγ+X production in p¯p collisions at √s=1.8TeV from 97 (87)pb−1 of data collected in the eeγ (μμγ) decay channel with the D0 detector at Fermilab. The event yield and kinematic characteristics are consistent with the standard model predictions. We obtain limits on anomalous ZZγ and Zγγ couplings for form factor scales Λ=500GeV and Λ=750GeV. Combining this analysis with our previous results yields 95% C.L. limits |hZ30|<0.36, |hZ40|<0.05, |hγ30|<0.37, and |hγ40|<0.05 for a form factor scale Λ=750GeV.
2470-0010
R3817-R3821
Abbott, B.
9d06072e-d002-47e9-a49b-d209a2c79e00
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
DO Collaboration
Abbott, B.
9d06072e-d002-47e9-a49b-d209a2c79e00
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3

Abbott, B. , DO Collaboration (1998) Zγ production in p¯p collisions at √s=1.8TeV and limits on anomalous ZZγ and Zγγ couplings. Physical Review D, D57, R3817-R3821. (doi:10.1103/PhysRevD.57.R3817).

Record type: Article

Abstract

We present a study of Zγ+X production in p¯p collisions at √s=1.8TeV from 97 (87)pb−1 of data collected in the eeγ (μμγ) decay channel with the D0 detector at Fermilab. The event yield and kinematic characteristics are consistent with the standard model predictions. We obtain limits on anomalous ZZγ and Zγγ couplings for form factor scales Λ=500GeV and Λ=750GeV. Combining this analysis with our previous results yields 95% C.L. limits |hZ30|<0.36, |hZ40|<0.05, |hγ30|<0.37, and |hγ40|<0.05 for a form factor scale Λ=750GeV.

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Published date: 1 April 1998
Organisations: Physics & Astronomy
Learn more about Physics & Astronomy research

Identifiers

Local EPrints ID: 410462
URI: http://eprints.soton.ac.uk/id/eprint/410462
DOI: doi:10.1103/PhysRevD.57.R3817
ISSN: 2470-0010
PURE UUID: 902ed1c2-80f7-47dc-9efe-ad0414e823d6
ORCID for Alexander Belyaev: ORCID iD orcid.org/0000-0002-1733-4408

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Date deposited: 08 Jun 2017 16:31
Last modified: 16 Mar 2024 03:54

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Contributors

Author: B. Abbott
Author: Alexander Belyaev ORCID iD
Corporate Author: DO Collaboration

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