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@ARTICLE{Acharya:250938,
author = {Acharya, Shreyasi and others},
title = {{P}roduction of $\Lambda$ and ${K}^0_s$ in jets in p–{P}b
collisions at $\sqrt {s_{{NN}}}$ = 5.02 {T}e{V} and pp
collisions at $\sqrt {s}$ = 7 {T}e{V}},
journal = {Physics letters / B},
volume = {827},
issn = {0031-9163},
address = {Amsterdam},
publisher = {North-Holland Publ.},
reportid = {GSI-2023-00150, arXiv:2105.04890. CERN-EP-2021-048},
pages = {136984},
year = {2022},
note = {Phys. Lett. B 827 (2022) 136984. 26 pages, 6 captioned
figures, 3 tables, authors from page 21, published version,
same contents as v2 with rearranged structure of source
files, figures at
http://alice-publications.web.cern.ch/node/7039SCOAP3.
ccby4.0},
abstract = {The production of Λ baryons and K$_S^0$ mesons (V0
particles) was measured in p–Pb collisions at $\sqrt
{s_{NN}}$ = 5.02 TeV and pp collisions at $\sqrt{s}$ = 7 TeV
with ALICE at the LHC. The production of these strange
particles is studied separately for particles associated
with hard scatterings and the underlying event to shed light
on the baryon-to-meson ratio enhancement observed at
intermediate transverse momentum (p$_T$) in high
multiplicity pp and p–Pb collisions. Hard scatterings are
selected on an event-by-event basis with jets reconstructed
with the anti-k$_T$ algorithm using charged particles. The
production of strange particles associated with jets
p$_{T,jetch}$ > 10 and p$_{T,jetch}$ > 20 GeV/c in p–Pb
collisions, and with jet p$_{T,jetch}$ > 10 GeV/c in pp
collisions is reported as a function of p$_T$. Its
dependence on angular distance from the jet axis, R(V0,jet),
for jets with p$_{T,jetch}$ > 10 GeV/c in p–Pb collisions
is reported as well. The p$_T$-differential production
spectra of strange particles associated with jets are found
to be harder compared to that in the underlying event and
both differ from the inclusive measurements. In events
containing a jet, the density of the V0 particles in the
underlying event is found to be larger than the density in
the minimum bias events. The Λ/K$_S^0$ ratio associated
with jets in p–Pb collisions is consistent with the ratio
in pp collisions and follows the expectation of jets
fragmenting in vacuum. On the other hand, this ratio within
jets is consistently lower than the one obtained in the
underlying event and it does not show the characteristic
enhancement of baryons at intermediate pT often referred to
as “baryon anomaly” in the inclusive measurements.},
keywords = {Lambda, production (INSPIRE) / p p, scattering (INSPIRE) /
multiplicity, high (INSPIRE) / strange particle, production
(INSPIRE) / underlying event (INSPIRE) / TeV (INSPIRE) / GeV
(INSPIRE) / baryon (INSPIRE) / density (INSPIRE) / hard
scattering (INSPIRE) / enhancement (INSPIRE) / charged
particle (INSPIRE) / ALICE (INSPIRE) / transverse momentum
(INSPIRE) / CERN LHC Coll (INSPIRE) / meson (INSPIRE) /
anomaly (INSPIRE) / Lambda: production (INSPIRE) / K0(S):
production (INSPIRE) / p nucleus: scattering (INSPIRE) / p
p: scattering (INSPIRE) / strange particle: production
(INSPIRE) / multiplicity: high (INSPIRE) / PYTHIA (INSPIRE)
/ Monte Carlo (INSPIRE) / experimental results (INSPIRE) /
5000 GeV-cms/nucleon (INSPIRE) / 7000 GeV-cms/nucleon
(INSPIRE)},
cin = {ALI / DTL / CIT / EXM / ALICE@CERN},
ddc = {530},
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)},
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},
experiment = {EXP:(DE-H253)LHC-Exp-ALICE-20150101},
typ = {PUB:(DE-HGF)16},
eprint = {2105.04890},
howpublished = {arXiv:2105.04890},
archivePrefix = {arXiv},
SLACcitation = {$\%\%CITATION$ = $arXiv:2105.04890;\%\%$},
UT = {WOS:000820935000035},
doi = {10.1016/j.physletb.2022.136984},
url = {https://repository.gsi.de/record/250938},
}
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