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$\Upsilon$(1S) polarization in pp collisions at $\sqrt{s}$ = 13 TeV with ALICE (QM2022)

Description

Measurement of  $\Upsilon$(1S) polarization in pp collisions at $\sqrt{s}$ = 13 TeV at the forward rapidity (2.5 < y < 4).  The data sample used in this analysis is collected from 2016 to 2018 with the ALICE Run 2.

$\Upsilon$(1S) polarization: Signal extraction
Energy
13 TeV
System
p-p
Scope: PWG
PWG-DQ (Dileptons and Quarkonia)
Figure image (.eps)
fSignalExtraction_pT4_6_preliminary_0.eps
Figure image (.pdf)
fSignalExtraction_pT4_6_preliminary_0.pdf
$\Upsilon$(1S) polarization: simultaneous fit to the corrected angular spectra in Helicity and Collins-Soper frames
Energy
13 TeV
System
p-p
Scope: PWG
PWG-DQ (Dileptons and Quarkonia)
Figure image (.eps)
fLambdaSimultaneousFit_pT4_6_preliminary.eps
Figure image (.pdf)
fLambdaSimultaneousFit_pT4_6_preliminary.pdf
$\Upsilon$(1S) polarization as a function of transverse momentum
Energy
13 TeV
System
p-p
Scope: PWG
PWG-DQ (Dileptons and Quarkonia)
Figure image (.eps)
fLambdaVspT_preliminary.eps
Figure image (.pdf)
fLambdaVspT_preliminary.pdf