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Search for First Generation Scalar Leptoquark Pairs in pp Collisions at √s=1.8TeV

Search for First Generation Scalar Leptoquark Pairs in pp Collisions at √s=1.8TeV
Search for First Generation Scalar Leptoquark Pairs in pp Collisions at √s=1.8TeV
We have searched for first generation scalar leptoquark (LQ) pairs in the eν+jets channel using pp collider data (∫Ldt≈115pb−1) collected by the D0 experiment at the Fermilab Tevatron during 1992–1996. The analysis yields no candidate events. We combine the results with those from the ee+jets and νν+jets channels to obtain 95% confidence level (C.L.) upper limits on the LQ pair production cross section as a function of mass and of β, the branching fraction to a charged lepton. Comparing with the next-to-leading order theory, we set 95% C.L. lower limits on the LQ mass of 225, 204, and 79GeV/c2 for β=1, 1/2, and 0, respectively.
2051-2056
Abbott, B.
9d06072e-d002-47e9-a49b-d209a2c79e00
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
Abbott, B.
9d06072e-d002-47e9-a49b-d209a2c79e00
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3

Abbott, B. and Belyaev, Alexander (1998) Search for First Generation Scalar Leptoquark Pairs in pp Collisions at √s=1.8TeV. Physical Review Letters, 80 (10), 2051-2056. (doi:10.1103/PhysRevLett.80.2051).

Record type: Article

Abstract

We have searched for first generation scalar leptoquark (LQ) pairs in the eν+jets channel using pp collider data (∫Ldt≈115pb−1) collected by the D0 experiment at the Fermilab Tevatron during 1992–1996. The analysis yields no candidate events. We combine the results with those from the ee+jets and νν+jets channels to obtain 95% confidence level (C.L.) upper limits on the LQ pair production cross section as a function of mass and of β, the branching fraction to a charged lepton. Comparing with the next-to-leading order theory, we set 95% C.L. lower limits on the LQ mass of 225, 204, and 79GeV/c2 for β=1, 1/2, and 0, respectively.

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Published date: 1998
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 410143
URI: https://eprints.soton.ac.uk/id/eprint/410143
PURE UUID: c0ded7a0-19b7-4ad2-985d-5d8afaa12893
ORCID for Alexander Belyaev: ORCID iD orcid.org/0000-0002-1733-4408

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Date deposited: 03 Jun 2017 04:03
Last modified: 14 Mar 2019 01:40

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Contributors

Author: B. Abbott
Author: Alexander Belyaev ORCID iD

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