Fragmentation contributions to J/ production at the Tevatron and the LHC

Geoffrey T. Bodwin, Hee Sok Chung, U. Rae Kim, Jungil Lee

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Abstract

We compute leading-power fragmentation corrections to J/ production at the Tevatron and the LHC. We find that, when these corrections are combined with perturbative corrections through next-to-leading order in the strong coupling constant αs, we obtain a good fit to high-pT cross section data from the CDF and CMS Collaborations. The fitted long-distance matrix elements lead to predictions of near-zero J/ polarization in the helicity frame at large pT.

Original languageEnglish
Article number022001
JournalPhysical Review Letters
Volume113
Issue number2
DOIs
Publication statusPublished - 2014 Jul 7

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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