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The ratio of jet cross sections at $s = 630$ GeV and 1800 GeV

The ratio of jet cross sections at $s = 630$ GeV and 1800 GeV
The ratio of jet cross sections at $s = 630$ GeV and 1800 GeV
The D0 Collaboration has measured the inclusive jet cross section in ¯ pp collisions at √s=630 GeV. The results for pseudorapidities ||(η)<0.5 are combined with our previous results at √s=1800 GeV to form a ratio of cross sections with smaller uncertainties than either individual measurement. Next-to-leading-order QCD predictions show excellent agreement with the measurement at 630 GeV; agreement is also satisfactory for the ratio. Specifically, despite a 10% to 15% difference in the absolute magnitude, the dependence of the ratio on jet transverse momentum is very similar for data and theory.
2523-2528
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 (2001) The ratio of jet cross sections at $s = 630$ GeV and 1800 GeV. Physical Review Letters, 86, 2523-2528. (doi:10.1103/PhysRevLett.86.2523).

Record type: Article

Abstract

The D0 Collaboration has measured the inclusive jet cross section in ¯ pp collisions at √s=630 GeV. The results for pseudorapidities ||(η)<0.5 are combined with our previous results at √s=1800 GeV to form a ratio of cross sections with smaller uncertainties than either individual measurement. Next-to-leading-order QCD predictions show excellent agreement with the measurement at 630 GeV; agreement is also satisfactory for the ratio. Specifically, despite a 10% to 15% difference in the absolute magnitude, the dependence of the ratio on jet transverse momentum is very similar for data and theory.

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Published date: 2001
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 411575
URI: http://eprints.soton.ac.uk/id/eprint/411575
PURE UUID: c47e1b6c-fe74-471d-9197-12ca9f6bd6d0
ORCID for Alexander Belyaev: ORCID iD orcid.org/0000-0002-1733-4408

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Date deposited: 20 Jun 2017 16:33
Last modified: 15 Aug 2019 00:42

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Author: B. Abbott

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