Heavy flavour production and spectroscopy

Abstract

Latest results on the heavy flavour production and spectroscopy at the LHC are reviewed. These include measurements of production rates of the charmed and beauty hadrons, and observations of new excited charmed and beauty hadrons and exotic states.

arXiv commentProceedings for the plenary talk given at LHCP 2021, slides and recording are available at https://indico.cern.ch/event/905399/contributions/4282556/ (Indico page)

References in corpus (42)

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• PYTHIA 6.2 Physics and Manual
• An Introduction to PYTHIA 8.2
• Averages of $b$-hadron, $c$-hadron, and $\tau$-lepton properties as of summer 2016
• The p_T Spectrum in Heavy-Flavour Hadroproduction
• The p_T Spectrum in Heavy-Flavour Photoproduction
• String Formation Beyond Leading Colour
• Observation of five new narrow ${\Omega }_c^0$ states decaying to ${\Xi }_c^{+}{K}^{-}$
• Heavy Quark Production in p+p and Energy Loss and Flow of Heavy Quarks in Au+Au Collisions at sqrt(s_NN)=200 GeV
• Evidence of a $J/\psi \Lambda$ structure and observation of excited ${\Xi }^{-}$ states in the ${\Xi }_b^{-}\to J/\psi \Lambda K^{-}$ decay
• Amplitude analysis of the $B^{+}\to D^{+}{D}^{-}{K}^{+}$ decay
• Measurement of b hadron production fractions in 7 TeV pp collisions
• Observation of new resonances decaying to $J/\psi K^{+}$ and $J/\psi \varphi$
• Model-independent study of structure in $B^{+}\to D^{+}{D}^{-}{K}^{+}$ decays
• Observation of a near-threshold structure in the $K^{+}$ recoil-mass spectra in $e^{+}{e}^{-}\to K^{+}(D_s^{-}{D}^{\ast 0}+D_s^{\ast -}{D}^0)$
• Measurements of $D^0$ and $D^{\ast }$ Production in $p$ + $p$ Collisions at $\sqrt{s}$ = 200 GeV
• Charm-Baryon Production in Proton-Proton Collisions
• Effects of color reconnection on $t\bar{t}$ final states at the LHC
• Observation of a new ${\Xi }_b^{-}$ resonance
• Combined analysis of charm-quark fragmentation-fraction measurements
• Measurement of b-hadron fractions in 13 TeV pp collisions
• Observation of two excited B${}_{\mathrm{c}}^{+}$ states and measurement of the B${}_{\mathrm{c}}^{+}$(2S) mass in pp collisions at $\sqrt{s}=$ 13 TeV
• D${}_s^{+}$ meson production at central rapidity in proton-proton collisions at $\sqrt{s}$ = 7 TeV
• Fragmentation fractions of c and b quarks into charmed hadrons at LEP
• Search for the doubly charmed baryon Xi_cc^+
• ${\mathrm{\Lambda }}_{\mathrm{c}}^{+}$ production and baryon-to-meson ratios in pp and p-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV at the LHC
• Precise measurement of the $f_s/f_d$ ratio of fragmentation fractions and of $B_s^0$ decay branching fractions
• Study of the kinematic dependences of ${\Lambda }_b^0$ production in $pp$ collisions and a measurement of the ${\Lambda }_b^0\to {\Lambda }_c^{+}{\pi }^{-}$ branching fraction
• Observation of an excited $B_c^{+}$ state
• Measurement of $D^{\ast \pm }$, $D^{\pm }$ and $D_s^{\pm }$ meson production cross sections in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector
• Inclusive Production of D^+, D^0, D_s^+ and D^*+ Mesons in Deep Inelastic Scattering at HERA
• Observation of a new excited beauty strange baryon decaying to ${\Xi }_{\mathrm{b}}^{-}{\pi }^{+}{\pi }^{-}$
• Measurement of beauty and charm production in pp collisions at $\sqrt{s}=5.02$ TeV via non-prompt and prompt D mesons
• Triple parton scatterings in high-energy proton-proton collisions
• Observation of a new ${\Xi }_b^0$ state
• Measurement of Ratios of Fragmentation Fractions for Bottom Hadrons in p-pbar Collisions at sqrt{s}=1.96 TeV
• Determination of the ratio of $b$-quark fragmentation fractions $f_s/f_d$ in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector
• Search for the doubly heavy ${\Xi }_{bc}^0$ baryon via decays to $D^{0}p{K}^{-}$
• Observation of a new excited $D_s^{+}$ meson in $B^0\to D^{-}{D}^{+}{K}^{+}{\pi }^{-}$ decays
• Observation of a ${\Lambda }_b^0-{\overline{\Lambda }}_b^0$ production asymmetry in proton-proton collisions at $\sqrt{s}=7\text{ and }8\text{TeV}$
• Measurement of B${}_{\mathrm{c}}$(2S)${}^{+}$ and B${}_{\mathrm{c}}^{\ast }$(2S)${}^{+}$ cross section ratios in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Charm-quark fragmentation fractions and production cross section at midrapidity in pp collisions at the LHC