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Roles
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$\Lambda_{\rm c}^{+}$ polarization in pp collisions at $\sqrt{s} = 13.6$ TeV

Description

Preliminary results obtained for the approval campaign in view of QM2025.

Dataset: LHC2023_apass4_thin

AN: https://alice-notes.web.cern.ch/node/1608

Invariant mass distribution of ${\rm pK}\pi$ triplets in pp collisions at $\sqrt{s} = 13.6$ TeV in two intervals of $\cos(\theta^*)$ (production frame)
Energy
13.6 TeV
System
p-p
Scope: PWG
PWG-HF (Heavy Flavour)
Figure image (.eps)
can_inv_mass_production_preliminary.eps
Figure image (.pdf)
can_inv_mass_production_preliminary.pdf
Longitudinal polarization as a function of non-prompt fraction for $\Lambda_{\rm c}^+$ and $\bar{\Lambda}_{\rm c}^-$ in pp collisions at $\sqrt{s} = 13.6$ TeV (production frame)
Energy
13.6 TeV
System
p-p
Scope: PWG
PWG-HF (Heavy Flavour)
Figure image (.eps)
can_pz_vs_fnp_preliminary.eps
Figure image (.pdf)
can_pz_vs_fnp_preliminary.pdf
Simultaneous fit of $\Lambda_{\rm c}^+$ and $\bar{\Lambda}_{\rm c}^-$ corrected yield as a function of $\cos(\theta^*)$ in pp collisions at $\sqrt{s} = 13.6$ TeV (production frame)
Energy
13.6 TeV
System
p-p
Scope: PWG
PWG-HF (Heavy Flavour)
Figure image (.eps)
can_simult_fit_preliminary_0.eps
Figure image (.pdf)
can_simult_fit_preliminary_0.pdf
Longitudinal polarization ($P_{\rm z}$) of prompt and non-prompt $\Lambda_{\rm c}^+$ and $\bar{\Lambda}_{\rm c}^-$ in pp collisions at $\sqrt{s} = 13.6$ TeV (production frame)
Energy
13.6 TeV
System
p-p
Scope: PWG
PWG-HF (Heavy Flavour)
Figure image (.eps)
can_polarization_preliminary.eps
Figure image (.pdf)
can_polarization_preliminary.pdf
Invariant mass distribution of ${\rm pK}\pi$ triplets in pp collisions at $\sqrt{s} = 13.6$ TeV in $-0.2 < \cos(\theta^*) < 0.2$ for prompt- and non-prompt-enhanced samples (helicity frame)
Energy
13.6 TeV
System
p-p
Scope: PWG
PWG-HF (Heavy Flavour)
Figure image (.eps)
can_inv_mass_helicity1_performance.eps
Figure image (.pdf)
can_inv_mass_helicity1_performance.pdf
Invariant mass distribution of ${\rm pK}\pi$ triplets in pp collisions at $\sqrt{s} = 13.6$ TeV in three different $\cos(\theta^*)$ intervals for prompt- and non-prompt-enhanced samples (helicity frame)
Energy
13.6 TeV
System
p-p
Scope: PWG
PWG-HF (Heavy Flavour)
Figure image (.eps)
can_inv_mass_helicity2_performance.eps
Figure image (.pdf)
can_inv_mass_helicity2_performance.pdf