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@MISC{Collaboration:363857,
author = {{ALICE Collaboration}},
title = {{I}nvestigating $\Lambda$ baryon production in p-{P}b
collisions in jets and the underlying event using angular
correlations},
reportid = {GSI-2026-00063},
year = {2024},
note = {Journal Article GSI record: GSI-2026-00062},
abstract = {First measurements of hadron(h)-$\Lambda$ azimuthal angular
correlations in p--Pb collisions at $\sqrt{s_{\text{NN}}}=
5.02$ TeV using the ALICE detector at the LHC are presented.
These correlations are used to separate the production of
associated $\Lambda$ baryons into three different kinematic
regions, namely those produced in the direction of the
trigger particle (near-side), those produced in the opposite
direction (away-side), and those whose production is
uncorrelated with the jet-axis (underlying event). The
per-trigger associated $\Lambda$ yields in these regions are
extracted, along with the near- and away-side azimuthal peak
widths, and the results are studied as a function of
associated particle $p_{\text{T}}$ and event multiplicity.
Comparisons with the DPMJET event generator and previous
measurements of the $\phi(1020)$ meson are also made. The
final results indicate that strangeness production in the
highest multiplicity p-Pb collisions is enhanced relative to
low multiplicity collisions in the jet-like regions, as well
as the underlying event. The production of $\Lambda$
relative to charged hadrons is also enhanced in the
underlying event when compared to the jet-like regions.
Additionally, the results hint that strange quark production
in the away-side of the jet is modified by soft interactions
with the underlying event.},
cin = {ALI / DTL / CIT / EXM / ALICE@CERN},
cid = {I:(DE-Ds200)ALI-20080822OR105 /
I:(DE-Ds200)DTL-20051214OR031 /
I:(DE-Ds200)CIT-20110310OR121 /
I:(DE-Ds200)EXM-20080818OR100 / I:(DE-Ds200)Coll-CERN-ALICE},
pnm = {612 - Cosmic Matter in the Laboratory (POF4-612) / HGS-HIRe
- HGS-HIRe for FAIR (HGS-HIRe) / SUC-GSI-Heidelberg -
Strategic university cooperation GSI-U Heidelberg
(SUC-GSI-HE) / SUC-GSI-Frankfurt - Strategic university
cooperation GSI-U Frankfurt/M (SUC-GSI-FR) /
SUC-GSI-Darmstadt - Strategic university cooperation GSI-TU
Darmstadt (SUC-GSI-DA) / STRONG-2020 - The strong
interaction at the frontier of knowledge: fundamental
research and applications (824093)},
pid = {G:(DE-HGF)POF4-612 / G:(DE-Ds200)HGS-HIRe /
G:(DE-Ds200)SUC-GSI-HE / G:(DE-Ds200)SUC-GSI-FR /
G:(DE-Ds200)SUC-GSI-DA / G:(EU-Grant)824093},
experiment = {EXP:(DE-H253)LHC-Exp-ALICE-20150101},
typ = {PUB:(DE-HGF)32},
doi = {10.17182/HEPDATA.156383.V1},
url = {https://repository.gsi.de/record/363857},
}