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   Articles with "charm bottom" as a keyword



The charm/bottom quark mass from heavy quarkonium at N3LO

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recommendations! Published in 2018 at "Journal of High Energy Physics"

DOI: 10.1007/jhep09(2018)167

Abstract: A bstractWe determine the charm and bottom quark masses using the N3LO perturbative expression of the ground state (pseudoscalar) energy of the bottomonium, charmonium and Bc systems: the ηb, ηc and Bc masses. We work… read more here.

Keywords: charm bottom; bottom quark; quark mass;

Measurement of the associated production of a Z boson with charm or bottom quark jets in proton-proton collisions at s=13  TeV

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recommendations! Published in 2020 at "Physical Review D"

DOI: 10.1103/physrevd.102.032007

Abstract: Ratios of cross sections, $\sigma$(Z+c jets)/$\sigma$(Z+jets), $\sigma$(Z+b jets)/$\sigma$(Z+jets), and $\sigma$(Z+c jets)/$\sigma$(Z+b jets) in the associated production of a Z boson with at least one charm or bottom quark jet are measured in proton-proton collisions at… read more here.

Keywords: charm bottom; production boson; associated production; bottom quark ... See more keywords

Holographic charm and bottom pentaquarks. I. Mass spectra with spin effects

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recommendations! Published in 2021 at "Physical Review D"

DOI: 10.1103/physrevd.104.114021

Abstract: We revisit the three non-strange pentaquarks [ 12 1 2 − ]S=0,1 and [ 1 2 3 2 − ]S=1 predicted using the holographic dual description, where chiral and heavy quark symmetry are manifest in… read more here.

Keywords: charm bottom; heavy quark; spin;

Holographic charm and bottom pentaquarks. II. Open and hidden decay widths

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recommendations! Published in 2021 at "Physical Review D"

DOI: 10.1103/physrevd.104.114022

Abstract: We analyze the decay modes of the three [ 12 1 2 − ]S=0,1 and [ 1 2 3 2 − ]S=1 non-strange pentaquarks with hidden charm and bottom, predicted by holographic QCD in the… read more here.

Keywords: charm; charm bottom; holographic charm; bottom pentaquarks ... See more keywords

Hidden-flavor four-quark states in the charm and bottom region

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recommendations! Published in 2024 at "Physical Review D"

DOI: 10.1103/physrevd.109.074025

Abstract: We discuss the spectrum and the internal composition of ground and excited four-quark states in the charm and bottom energy region. To this end we extend previous calculations within the framework of the relativistic four-body… read more here.

Keywords: states charm; charm bottom; four quark; region ... See more keywords