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

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

doi:10.1103/PhysRevLett.113.022001

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

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

Department of Physics

Research output: Contribution to journal › Article › peer-review

115 Citations (Scopus)

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 Î±s, 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 language	English
Article number	022001
Journal	Physical review letters
Volume	113
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevLett.113.022001
Publication status	Published - 2014 Jul 7

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.113.022001

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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 {\^I}±s, 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.",

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PY - 2014/7/7

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AB - 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 Î±s, 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.

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

Abstract

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