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A new determination of $\alpha_s$ using direct photon production cross sections in $pp$ and $\overline{p}p$ collisions at $\sqrt{s}=24.3$ GeV
Direct photon production cross sections obtained in high statistics $\bar{p}p$ and $pp$ collisions at $\sqrt{s}=24.3$ GeV at the CERN SPS are used in a next-to-leading order QCD analysis. From the ( stat.)~\pm0.0033\,(syst.)~^{+0.0077}_{-0.0034} \,(t cross section difference $\sigma(\bar{p}p~\to~\ga...
Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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Lenguaje: | eng |
Publicado: |
1999
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1016/S0370-2693(99)00251-8 http://cds.cern.ch/record/380422 |