Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-05-31
Phys.Lett.B489:157-162,2000
Physics
High Energy Physics
High Energy Physics - Phenomenology
5 pages, 4 figures. A figure with discussion, and a reference added. Minor improvements of wording. Conclusion unchanged
Scientific paper
10.1016/S0370-2693(00)00934-5
The detection and the measurement of the production cross section of a light Higgs boson at the CERN Large Hadron Collider demand the accurate prediction of the background distributions of photon pairs. To improve this theoretical prediction, we present the soft-gluon resummed calculation of the $p p \to \gamma \gamma X$ cross section, including the exact one loop $g g \to \gamma \gamma g$ contribution. By incorporating the known fixed order results and the leading terms in the higher order corrections, the resummed cross section provides a reliable prediction for the inclusive diphoton invariant mass and transverse momentum distributions. Given our results, we propose the search for the Higgs boson in the inclusive diphoton mode with a cut on the transverse momentum of the photon pair, without the requirement of an additional tagged jet.
Balazs Csaba
Nadolsky Pavel
Schmidt Carl
Yuan C.--P.
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