Abstract
We calculate the next-to-leading order (NLO) quantum chromodynamics (QCD) corrections to inclusive processes $W^+\to J/\psi(\eta_c)+c+\bar{s}+X$ and $W^+\to B_c(B_c^{*})+b+\bar{s}+X$ in the framework of nonrelativistic QCD (NRQCD) factorization formalism. Result indicates that the NLO corrections are significant, and the uncertainties in theoretical predictions with NLO corrections are greatly reduced. The charmonium and $B_c$ meson yielding rates at the Large Hadron Collider (LHC) are given.
Highlights
In the standard model (SM), the W boson mass is generated through the electroweak spontaneous breaking mechanism
Heavy quarkonium and as well Bc meson production keeps on being an interesting and hot topic to study in high energy physics for decades, which may enrich our knowledge on the properties of quarkonium and the nature of perturbative quantum chromodynamics (QCD)
II we present the leading order (LO) calculation of Wþ decay to charmonium and Bc mesons
Summary
In the standard model (SM), the W boson mass is generated through the electroweak spontaneous breaking mechanism. The quarkonium and Bc meson production through top quark [13] and Z0 decays [14,15,16] had been investigated at up to the next-toleading order (NLO) accuracy. It turned out that the theoretical uncertainties at LO are very large, which suggests, and was partly confirmed, that the higher order QCD corrections in charmonium and Bc productions are usually very important, even crucial sometimes, for the sake of phenomenological use. To this end, we calculate in this work the NLO QCD corrections to the inclusive charmonium and Bc production in Wþ decays.
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