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J/ψ -pair production at large momenta: Indications for double parton scatterings and large α$_s^5$ contributions
The recent observations of prompt J/psi-pair production by CMS at the LHC and by D0 at the Tevatron reveal the presence of different production mechanisms in different kinematical regions. We find out that next-to-leading-order single-parton-scattering contributions at alpha_s^5 dominate the yield a...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2014
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| Acceso en línea: | https://dx.doi.org/10.1016/j.physletb.2015.10.083 http://cds.cern.ch/record/1966479 |