Articles with "heavy quarkonium" as a keyword



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Two-loop integrals for CP-even heavy quarkonium production and decays

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Published in 2017 at "Journal of High Energy Physics"

DOI: 10.1007/jhep06(2017)025

Abstract: A bstractBy employing the method of differential equations, we compute the various types of two-loop master integrals involved in CP-even heavy quarkonium exclusive production and decays. All the integrals presented in this paper can be… read more here.

Keywords: heavy quarkonium; two loop; production; even heavy ... See more keywords
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Near threshold heavy quarkonium photoproduction at large momentum transfer

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Published in 2022 at "Physical Review D"

DOI: 10.1103/physrevd.105.054032

Abstract: Peng Sun, Xuan-Bo Tong, 3 and Feng Yuan Department of Physics and Institute of Theoretical Physics, Nanjing Normal University, Nanjing, Jiangsu 210023, China School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen,… read more here.

Keywords: physics; quarkonium photoproduction; near threshold; photoproduction large ... See more keywords
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Quantum computing for heavy quarkonium spectroscopy

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Published in 2022 at "Physical Review D"

DOI: 10.1103/physrevd.107.074012

Abstract: We report a first demonstration for the application of quantum computing to heavy quarkonium spectroscopy study. Based on a Cornell-potential model for the heavy quark and antiquark system, we show how this Hamiltonian problem can… read more here.

Keywords: spectroscopy; quarkonium spectroscopy; computing heavy; quantum computing ... See more keywords
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Meson-hybrid mixing in JPC=1++ heavy quarkonium from QCD sum rules

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Published in 2018 at "Physical Review D"

DOI: 10.1103/physrevd.98.074014

Abstract: We explore conventional meson-hybrid mixing in $J^{PC}=1^{++}$ heavy quarkonium using QCD Laplace sum-rules. We calculate the cross-correlator between a heavy conventional meson current and heavy hybrid current within the operator product expansion, including terms proportional… read more here.

Keywords: heavy quarkonium; sum rules; meson hybrid; hybrid mixing ... See more keywords
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Quarkonium Production in the QGP

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Published in 2019 at "Universe"

DOI: 10.3390/universe5050117

Abstract: We report on recent theory progress in understanding the production of heavy quarkonium in heavy-ion collisions based on the in-medium heavy-quark potential extracted from lattice QCD simulations. On the one hand, the proper in-medium potential… read more here.

Keywords: production qgp; heavy quarkonium; production; quarkonium production ... See more keywords