Production of semi-inclusive doubly heavy baryons via top-quark decays

Abstract

In the paper, we present a detailed discussion on the semi-inclusive production of doubly heavy baryons (${\Xi }_{bc}$ and ${\Xi }_{bb}$) through top-quark decay channel, $t\to {\Xi }_{b{Q}^{\prime }}+\overline{Q^{\prime }}+W^{+}$, within the framework of non-relativistic QCD (NRQCD). In our calculations, the contributions from the intermediate diquark states, $⟨bc⟩{[}^3{S}_1{]}_{\bar{3}/6}$, $⟨bc⟩{[}^1{S}_0{]}_{\bar{3}/6}$, $⟨bb⟩{[}^1{S}_0{]}_6$ and $⟨bb⟩{[}^3{S}_1{]}_{\bar{3}}$, have been taken into consideration. Main uncertainties from the heavy quark mass $(m_c,~m_b~\mbox{or}~m_t)$, the renormalization scale ${\mu }_r$, and the nonperturbative transition probability have been estimated. For a comparison, we also analyze the production of doubly heavy baryons under the approximate fragmentation function approach. Estimated at the LHC or a High Luminosity LHC with $\mathcal{L}$ =$10^{34-36}{\mathrm{cm}}^{-2}{\mathrm{s}}^{-1}$, there will be about $2.25\times 10^{4-6}$ events of ${\Xi }_{bc}$ and $9.49\times 10^{2-4}$ events of ${\Xi }_{bb}$ produced in one operation year through top-quark decays.

arXiv comment17 pages, 5 figures, 5 tables

References in corpus (39)

• PYTHIA 6.4 Physics and Manual
• PYTHIA 6.2 Physics and Manual
• Rigorous QCD Analysis of Inclusive Annihilation and Production of Heavy Quarkonium
• Five-Loop Running of the QCD coupling constant
• Observation of the doubly charmed baryon ${\Xi }_{cc}^{++}$
• The five-loop beta function of Yang-Mills theory with fermions
• NLO Production and Decay of Quarkonium
• Implications of LHCb measurements and future prospects
• Z^0 Decay into Charmonium via Charm Quark Fragmentation
• A Systematic All-Orders Method to Eliminate Renormalization-Scale and Scheme Ambiguities in PQCD
• Perturbative QCD Fragmentation Functions for $B_c$ and $B_c^{\ast }$ Production
• Systematic Scale-Setting to All Orders: The Principle of Maximum Conformality and Commensurate Scale Relations
• Eliminating the Renormalization Scale Ambiguity for Top-Pair Production Using the Principle of Maximum Conformality
• Scale Setting Using the Extended Renormalization Group and the Principle of Maximum Conformality: the QCD Coupling Constant at Four Loops
• Hadrons with Charm and Beauty
• The Renormalization Scale-Setting Problem in QCD
• Production of Heavy Quarkonium in High Energy Colliders
• Double charmed baryon production at B-factory
• Doubly Charmed Baryon Production in Hadronic Experiments
• Weak Interactions in Top-Quark Pair Production at Hadron Colliders: An Update
• Renormalization Group Invariance and Optimal QCD Renormalization Scale-Setting
• Heavy Quark Fragmentation to Baryons Containing Two Heavy Quarks
• Factorization Approach for Inclusive Production of Doubly Heavy Baryon
• Estimate of the Hadronic Production of the Doubly Charmed Baryon ${\Xi }_{cc}$ under GM-VFN Scheme
• GENXICC2.0: An Upgraded Version of the Generator for Hadronic Production of Double Heavy Baryons ${\Xi }_{cc}$, ${\Xi }_{bc}$ and ${\Xi }_{bb}$
• Doubly charmed baryon production in heavy ion collisions
• Hadronic Production of the Doubly Heavy Baryon ${\Xi }_{bc}$ at LHC
• Production of doubly heavy-flavored hadrons at $e^{+}{e}^{-}$ colliders
• GENXICC: A Generator for Hadronic Production of the Double Heavy Baryons ${\Xi }_{cc}$, ${\Xi }_{bc}$ and ${\Xi }_{bb}$
• Fragmentation production of doubly heavy baryons
• Doubly Heavy Baryon Production at A High Luminosity $e^{+}{e}^{-}$ Collider
• Hadronic production of ${\Xi }_{cc}$ at a fixed-target experiment at the LHC
• Photoproduction of doubly heavy baryon at the LHeC
• GENXICC2.1: An Improved Version of GENXICC for Hadronic Production of Doubly Heavy Baryons
• Theoretical status of the top quark cross section
• Photoproduction of doubly heavy baryon at the ILC
• Doubly Heavy Baryon Production at γγCollider
• Hadronic production of baryons, containing two heavy quarks
• Hadronic production of the doubly charmed baryon via the proton-nucleus and the nucleus-nucleus collisions at the RHIC and LHC

Cited by in corpus (14)

• Molecular ${\Omega }_{cc}$ , ${\Omega }_{bb}$ and ${\Omega }_{bc}$ states
• Production of doubly heavy baryons via Higgs boson decays
• Excited doubly heavy baryon production via $W^{+}$ boson decays
• Mass spectra of bottom-charm baryons
• The production of the doubly charmed baryon in deeply inelastic $ep$ scattering at the Large Hadron Electron Collider
• Impacts of the intrinsic charm content of the proton on the ${\Xi }_{cc}$ hadroproduction at a fixed target experiment at the LHC
• Effects of a dense medium on parameters of doubly heavy baryons
• Excited doubly heavy baryons production via top-quark decays
• Excited doubly heavy baryons production via Higgs decays
• Strong decays of the low-lying doubly bottom baryons
• Hadronic production of ${\Xi }_{bc}$ with the intrinsic heavy-quark content at a fixed-target experiment at the LHC
• Fate of the doubly heavy spin$-3/2$ baryons in a dense medium
• Strong Coupling Constants of the Doubly Heavy Spin-1/2 Baryons with Light Pseudoscalar Mesons
• Further study on the production of P-wave doubly heavy baryons from Z-boson decays