BCVEGPY: An Event Generator for Hadronic Production of the B_c Meson

Abstract

We have written a Fortran programme BCVEGPY, which is an event generator for the hadronic production of the $B_c$ meson through the dominant hard subprocess $gg\to B_c(B_c^{\ast })+b+\bar{c}$. To achieve a compact programme, we have written the amplitude of the subprocess with the particle helicity technique and made it as symmetric as possible, by decomposing the gluon self couplings and then applying the symmetries. To check the programme, various cross sections of the subprocess have been computed numerically and compared with those in the literature. BCVEGPY is written in a PYTHIA-compatible format, thus it is easy to implement in PYTHIA.

47 pages, 12 figures

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• Quarkonium Wave Functions at the Origin
• Z^0 Decay into Charmonium via Charm Quark Fragmentation
• Observation of B_c Mesons in p-bar p Collisions at sqrt{s} = 1.8 TeV
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• Semileptonic B_c-meson decays in sum rules of QCD and NRQCD
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• Semileptonic and non-leptonic B_c decays
• On Hadronic Production of the $B_c$ Meson
• PRODUCTION OF $B_c$ MESONS IN HADRONIC COLLISIONS
• Comparative Study of the Hadronic Production of $B_c$ Mesons
• Hadronic production of S- and P-wave states of (b-bar c)-quarkonium
• Decays of the $B_c$ Meson in a Relativistic Quark-Meson Model
• Decays of the Meson $B_c$ to a $P$-Wave Charmonium State ${\chi }_c$ or $h_c$
• The lifetime of B_c-meson and some relevant problems
• Radiative Leptonic Decays of $B_c$ Meson
• $B_c$ meson production at the Tevatron Revisited
• The Pure Leptonic Decays of B_c Meson and Their Radiative Corrections
• The meson $B_c$ annihilation to leptons and inclusive light hadrons
• Semileptonic Decays of $B_c$ Meson to a P-Wave Charmonium State ${\chi }_c$ or $h_c$
• Spin Dependence of Massive Lepton Pair Production in Proton-Proton Collisions
• Probe New Physics in Leptonic $B_c$ Decays at CERN LHC
• Study of the $B_c$-meson lifetime
• Radiative Leptonic $B_c$ Decays
• Transverse $\tau$ polarization in $B_c\to \tau {\bar{\nu }}_{\tau }\gamma$ decay

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• First observation of the decay Bc+ to J/psi pi+pi-pi+
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• BCVEGPY2.0: A upgrade version of the generator BCVEGPY with an addendum about hadroproduction of the $P$-wave $B_c$ states
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• Measurement of the ratio of $B_c^{+}$ branching fractions to $J/\psi {\pi }^{+}$ and $J/\psi {\mu }^{+}{\nu }_{\mu }$
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• $Z_0$ Boson Decays to $B_c^{(\ast )}$ Meson and Its Uncertainties
• Measurement of the ratio of the production cross sections times branching fractions of Bc+/- to J/psi pi+/- and B+/- to J/psi K+/- and B(Bc+/- to J/psi pi+/- pi+/- pi-/+)/B(Bc+/- to J/psi pi+/-) in pp collisions at sqrt(s) = 7 TeV
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• Observation of $B_c^{+}\to D^0{K}^{+}$ decays
• Photoproduction of doubly heavy baryon at the ILC
• Further Study on the Doubly Heavy Baryon Production around the $Z^0$ Peak at A High Luminosity $e^{+}{e}^{-}$ Collider
• Measurement of the branching fraction ratio $\mathcal{B}(B_c^{+}\to \psi (2S){\pi }^{+})/\mathcal{B}(B_c^{+}\to J/\psi {\pi }^{+})$
• BCVEGPY2.2: A Newly Upgraded Version for Hadronic Production of the Meson $B_c$ and Its Excited States
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