Ratio of isolated photon cross sections in pp¯ Collisions at √s = 630 and 1800 GeV

D0 Collaboration

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The inclusive cross section for production of isolated photons has been measured in pp¯ collisions at √s = 630 GeV with the D0 detector at the Fermilab Tevatron Collider. The photons span a transverse energy (ET) range from 7-49 GeV and have pseudorapidity |η| < 2.5. This measurement is combined with the previous D0 result at √s = 1800 GeV to form a ratio of the cross sections. Comparison of next-to-leading-order QCD with the measured cross section at 630 GeV and the ratio of cross sections show satisfactory agreement in most of the ET range.

Original languageEnglish
Pages (from-to)251805-1-251805-7
JournalPhysical review letters
Volume87
Issue number25
DOIs
Publication statusPublished - 2001 Dec 17

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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